This position is based in Bangalore, India. Calix is seeking a Staff Software Test Engineer to join our team. We are focusing on implementing automation and quality early in the development process. We are creating a new team, with the goal of establishing standards for test planning, biasing towards automation and to establish best practices and improve the quality of our products and to delight our customers. Responsibilities and Duties: Responsible for defining QA strategy, architecture and execution for all product lines across Software, Web and Mobile. Bring high energy, effectiveness at managing relationships (up, down, across), and ability to roll-up your sleeves to get the job done. Design and develop advanced test suites using object-oriented methodologies. Implement and execute test strategies on all supported platforms and languages to help improve overall quality and test code coverage. Design, implement and execute both functional and Automation test suites. Write backend integration tests and tests for RESTful APIs.Interact with stakeholders to gather insights and translate technical concepts Document procedures for process control, process improvement, testing and CI/CD. Develop new test frameworks for data pipeline validation and streaming data processing. Ability to identify risks and errors in applications and tools Work collaboratively with development and the QA team to identify test cases and suites best suited for automation Design and develop integration, regression, and stress tests using industry standard tools. Collaborate with Product Owners and Developers to understand requirements and translate them into test cases. Good knowledge of Web/UI testing. Qualifications: BS/MS degree in CS, EE, or related field. 12+ years of experience as a test engineer with focus on both manual and automated testing. 8+ years of experience and deep understanding of programming in Python, GoLang or other languages. 3+ years of experience in Automated Testing Framework, Selenium, Rest APIs using PyTest/ROBOT. Working knowledge of micro-services-based API and load testing tools. Experience working in a Cloud Ecosystem like GCP/AWS/Azure. Experience working on Network Management Systems. Knowledge of L2/L3 devices and L7 protocols. Good exposure of Kubernetes, Docker, Elastic Search, Kibana, Grafana, Prometheus. Knowledge of NLB, S3, Kafka, Redis, Postgres, PrestoDB, Alluxio, Spark jobs, etc. Proven track record in leading the architecture, design, development and operations of enterprise scale testing frameworks, processes, methodologies for diverse environments, solutions, and products. Proficiency in QA methodologies, software testing principles, concepts, verification/ validation techniques, and test management. Excellent analytical, research, documentation, project planning and implementation skills. Knowledge of behaviour driven development and test-driven development. Experience with Dev Ops Pipeline (CI and CD), Bamboo/Jenkins/ArgoCD/Azkaban. Ability to adapt and willingness to learn new technologies and techniques. Effectively lead and manage change within their area of responsibility as well as across the business. Experience using various bug tracking tools such as Jira, and test management tools such as TestRail or XRay. Experience testing BigData and ELT is a plus. Telecom Experience is a plus. Location: Bangalore, India

Calix provides the cloud, software platforms, systems and services required for communications service providers to simplify their businesses, excite their subscribers and grow their value. Were seeking an experienced and dynamic Manager of Engineering to build and guide an engineering team in creating reliable, scalable, and secure systems for managing extensive networks and their data. The ideal candidate will be a technical leader capable of inspiring a high-performing team and setting rigorous standards for software development and deployment. Strong verbal and written communication skills, self-motivation, and the ability to deliver quality results in a fast-paced environment are essential. Responsibilities: Act as both a hands-on technical software architect and an effective people manager. Work closely with cross-functional teams to ensure that engineering projects align with the organizations goals. Plan, design, develop, deploy, and maintain the element management system using contemporary engineering practices and technologies. Collaborate with engineering management, product management, customer success and support, and cross-functional development/testing/testing automation teams to create innovative solutions that incorporate new technologies and algorithms. Guide, mentor, and oversee a team of engineers to meet project objectives while maintaining top-notch quality. Stay updated on technological advancements and industry trends to ensure the team employs best practices and tools. Promote a data-driven culture to enhance the efficiency, scalability, stability, and security of the management system. Foster an environment that encourages robust communication and high-quality standards, building mechanisms and processes for team efficiency, constantly inventing and simplifying. Perform ad hoc troubleshooting of customer systems to ensure quick resolution of issues. Recruit, coach, and mentor both senior and junior software engineers. Qualifications: 5+ years of experience in leading engineering teams and delivering complex projects from inception to deployment. 15+ years of progressive experience in building distributed, multi-tiered enterprise applications for element and network management platforms, preferably for Access Networks or any telecommunications products. 10+ years of extensive experience in Linux and JAVA/J2EE-based application design and development using Microservices/SOA architecture, Spring Boot, OOPS, Collections, Multi-threading, inter-process communication, exception handling, memory management, packages, JVM, etc. Proven experience in designing and implementing FCAPS solutions that are geographically diverse, highly scalable, and support high concurrency and multi-threading. Extensive years of experience in building solutions using REST APIs, JSON, XML, Postgres, MongoDB, ELK Stack, SNMP, and Netconf/Yang. Extensive experience in building authentication and authorization using modern technologies (OAuth, etc.) and integrating with LDAP/Radius. Extensive experience in establishing HA, Clustering, Redundancy, and Stateful Failover through design, implementation, and deployment. Proven experience in performance benchmarking and database optimization. Hands-on experience in using SDN controllers like OpenDaylight, ONOS, or any other similar controller. Hands-on experience with containerization frameworks such as Docker, Kubernetes, or similar. Experience with various Linux tools related to source code version control, code review, bug tracking, and CI/CD, e.g., Git, Gerrit, Jira, Jenkins. A solid understanding of networking and broadband technologies is a plus. Location: India - (Flexible hybrid work model - work from Bangalore office for 20 days in a quarter)

Calix provides the cloud, software platforms, systems and services required for communications service providers to simplify their businesses, excite their subscribers and grow their value. The Senior Technical Analyst, EDI is responsible for supporting and enhancing Electronic Data Interchange (EDI) processes at Calix. This includes the daily monitoring of EDI file processing, troubleshooting of issues impacting successful receipt or delivery of client files, setup and testing of new trading partners, and general customer support of issues. The Calix EDI infrastructure consists of Oracle SOA Cloud Service, Oracle OIC B2B, OpenText, SAP Ariba, and SPS Commerce. This role will need to engage with each of these systems and the associated support resources to maintain stable operations and continuously improve the business value of EDI investments. The successful candidate will be highly collaborative and operate in a fast-paced, rapidly growing environment. They will need to be hands on, self-motivated and take initiative to solve problems, automate manual effort and continuously improve. Responsibilities and Duties: Monitor EDI systems, troubleshoot and resolve production issues. Configure Trading Partners and EDI Service Providers. Support EDI transactions with customers, suppliers, and 3PL providers. Build and Maintain SOA EDI Integrations, Enhance the existing Integrations and Create New Integrations in SOA as required. Migrate SOA EDI Integrations to Oracle Integration Cloud (OIC) B2B Review and optimize proposed solutions and extensions following best practice procedures and coding guidelines. Participate in the design, setup, and testing of Oracle Cloud and EDI configurations to appropriately support business requirements. Plan and conduct thorough program testing including user acceptance testing and sign-off of solutions. Manage transition of EDI solutions from project team to operations. Lead Release Management of bug-fix/enhancements of EDI systems. Communicate progress on system support issues and project implementation to management and user groups. Manage vendor relationships to achieve required functionality and support. Provide system support for EDI production systems. Stage and re-stage files and ensure timely processing of files and claims. Maintain daily monitoring duties including creating or enhancing daily reports. Partner with key stakeholders and business leaders. Prepare documentation and present to business and technical team members. Qualifications: Required : 10+ years of experience in EDI Integration 2+ years of experience working with Oracle Cloud Fusion applications 5+ Years of Oracle SOA B2B/EDI Implementation and Troubleshooting experience 3+ Years of experience migrating Oracle SOA B2B/EDI Integrations to Oracle Integration Cloud (OIC) B2B Strong understanding of documents like (850/855/810/856/940/945/861) Strong understanding of the Oracle Supply Chain, Procurement, and Order Management modules Experience working with trading partners and EDI 3PL Service Providers Experience within Oracle EBS R12, PL/SQL, XML, Concurrent Managers, APIs, Oracle EDI Gateway, and workflow Must have good customer interaction, training skills and outstanding written and verbal communication skills Experience with B2B integrations using EDI on OpenText and Ariba Network Experience supporting end to end business processes Excellent problem solving and analytical skills Preferred : Experience with Oracle Integration Cloud (OIC) B2B Implementation Oracle Cloud ERP/Supply Chain Techno Functional Experience

Design and develop production software components. Develop efficient data ingestion, feature engineering and data pipelines at production scale. Collaborate with data engineers to preprocess and manage large datasets, ensuring that data pipelines are efficient and optimized for model training. Automate collection and visualization of data, model, and operational metrics. Implement and manage MLOps pipelines to automate model deployment, monitoring, and maintenance. Deploy models in scalable production environments using cloud platforms like AWS, GCP, or Azure . Work with cross-functional teams, including software engineers and data scientists, to design system architectures that integrate AI models into existing or new platforms. Extend, harden, and scale data processing and ML components. Perform data ingestion, data processing and feature engineering tasks. System integration to bring AI features to other applications and platforms. Build and deploy microservices for AI features. Operate and administration of production DB: SQL, NoSQL, Vector and Graph. Troubleshoot and support production pipeline. Working with ops team for end-to-end deployment of data and ML pipelines. Qualifications: Bachelor s, Master s, Computer Science, or a related field. 5+ years of hands-on experience in AI/ML engineering , building and deploying machine learning models in production environments. Proven track record in developing end-to-end AI applications across different domains, such as NLP, computer vision, or predictive modeling. Solid foundation on data structure and algorithms. Proficient in deep learning frameworks such as TensorFlow, PyTorch , or Keras . Proficiency in Python and one other languages Java, Go, C/C++, R, SQL. Experience with SQL, Pandas and exposure to various SQL and noSQL DB. Solid understanding of data engineering and experience working with large datasets and building ETL pipelines . Experience automating unit, system and production testing. Experience on data processing: ETL, feature engineering, data cleaning. Proficiency developing in Linux environments with git. Experience with cloud platforms (AWS, GCP, Azure) and deploying models in containerized environments using Docker and Kubernetes . Experience developing microservices and REST API. Tools: Linux, git, Jupyter, IDE, ML frameworks: Tensorflow, Pytorch, Keras, Scikit-learn, Kubeflow, MLflow. Good communication skills. Preferred Skills: Experience with multimodal AI systems (text, image, video). Knowledge of DevOps principles and CI/CD pipelines for automated testing and deployment. Familiarity with natural language understanding (NLU), automatic speech recognition (ASR), and dialog systems. Contributions to open-source AI projects or publications in AI/ML conferences and journals. GenAI: RAG pipeline components, LLM pre-training, alignment, fine tuning, different types of LLM and their applications. Location: India - (Flexible hybrid work model - work from Bangalore office for 20 days in a quarter)

Calix Cloud and software platforms enable Broadband Service Providers, or BSPs, of all sizes to innovate and transform their businesses. Our BSP customers are empowered to utilize real-time data and insights from Calix platforms to simplify their businesses and deliver experiences that excite their subscribers. This enables BSPs to grow their businesses through increased subscriber acquisition, loyalty, and revenue, thereby increasing the value of their businesses and contributions to their communities. This is the Calix mission; to enable BSPs of all sizes to simplify, excite and grow. We are seeking a highly skilled and motivated Staff Software Engineer to join our dynamic team. The ideal candidate will possess extensive experience in software development, with a strong focus on Java/J2EE, GO, Linux, microservices, REST APIs, and high availability systems. Responsibilities: Design and implement innovative solutions: Design, code, and debug complex software systems, continuously enhancing their performance and functionality. Solve problems efficiently: Investigate and resolve software-related issues, optimizing performance and providing exceptional user experiences. Be an active team member: Engage in discussions, brainstorm ideas, and suggest solutions, shaping the direction of our shared services. Develop and integrate REST APIs, ensuring smooth communication between different components. Work closely with Cloud product owners to understand, analyze product requirements, provide feedback, and deliver a complete solution. Technical leadership of software design in meeting requirements of service stability, reliability, scalability, and security. Participate and drive technical discussions within engineering group in all phases of the SDLC: review requirements, produce design documents, participate in peer reviews, produce test plans, support QA team, provide internal training and support TAC team. Support test strategy and automation in both end-to-end solution and functional testing. Customer facing engineering role in debugging and resolving field issues. Qualifications: 10+ years of highly technical, hands-on software engineering experience Independent and Self driven and works in a Team. Strong, creative problem-solving skills and ability to abstract and share details to create meaningful articulation. Ability to drive technical discussions across x-functional teams. Proficient in design and implementation of microservices-based, API/Endpoint architectures. Strong background in designing and developing event-based / pub-sub workflows & data ingestion solutions. Proficiency and hands on experience with Kafka at scale (or similar) desired. Experience in/Knowledge of protocols & technologies for managing home gateways (TR-069/TR-369, TR-98/TR-181), in-home services, monitoring and efficiently curating data from millions of IoT/Wi-Fi devices a plus. Good understanding of implementation and deployment of Cloud based solutions (preferably AWS or GCP). Strong background in transactional databases and good understanding and experience with no-SQL datastores. Expert in Java. Proficiency in other languages like Go, Python, NodeJS/JavaScript a plus. Organized and goal-focused, ability to deliver in a fast-paced environment. Experience in designing batch-based, low latency real-time streaming and event-based data solutions (Kafka, Storm, Spark, Flink, Kinesis or like technologies). Organized and goal-focused, ability to deliver in a fast-paced environment. Experience building scalable solutions and in choosing the right data store technologies for data analytics (Cassandra, Elastic, Greenplum, Redshift). Practical understanding and usage of AWS (or Azure) Cloud platform and services. Location: India - (Flexible hybrid work model - work from Bangalore office for 20 days in a quarter)

Calix provides the cloud, software platforms, systems and services required for communications service providers to simplify their businesses, excite their subscribers and grow their value. We, the Cloud Platform Engineering team at Calix, are responsible for the Platforms, Tools, and CI/CD pipelines at Calix. Our mission is to enable Calix engineers to accelerate the delivery of world-class products while ensuring high availability. Key Responsibilities: Design, deploy, and manage scalable, secure, and highly available network solutions on Google Cloud Platform (GCP), including VPCs, subnets, firewalls, Cloud Load Balancing, and Cloud DNS. Collaborate with DevOps, Security, and Software Engineering teams to integrate network services with GCP-based applications and services. Optimize GCP network performance, troubleshoot issues, and implement solutions to minimize downtime and improve reliability. Develop and maintain network automation scripts and tools using *Terraform, *Deployment Manager, or other infrastructure-as-code (IaC) frameworks. Implement and enforce GCP network security best practices, including Identity-Aware Proxy (IAP), Cloud Armor, and VPC Service Controls. Monitor GCP network performance using tools like Cloud Monitoring and Cloud Logging and proactively identify and resolve potential bottlenecks or vulnerabilities. Stay up to date with GCP networking features and trends and recommend innovative solutions to enhance our cloud infrastructure. Provide technical leadership and mentorship to junior engineers, fostering a culture of continuous learning and improvement. Qualifications: Bachelors degree in computer science, Information Technology, or a related field (or equivalent experience). 7+ years of experience in network engineering, with a focus on cloud-based environments. Deep expertise in cloud networking technologies, including VPCs, subnets, routing, load balancing, and DNS, Cloud VPN and hybrid connectivity. Proficiency in cloud platforms such as AWS, Google Cloud Platform (GCP). Strong understanding of network protocols (TCP/IP, BGP, OSPF, etc.) and security principles. Experience with network automation tools and scripting languages (e.g., Python, Terraform, Ansible). Experience with GCP-specific tools like *Cloud CDN, **Network Intelligence Center, and *Cloud NAT. Strong communication skills, with the ability to explain complex technical concepts to non-technical stakeholders. Relevant GCP certifications (e.g., Google Professional Cloud Network Engineer) are highly desirable. Location: India - (Flexible hybrid work model - work from Bangalore office for 20 days in a quarter)

Calix provides the cloud, software platforms, systems and services required for communications service providers to simplify their businesses, excite their subscribers and grow their value. This is a remote based in Bangalore, India We, the Cloud Platform Engineering team at Calix are responsible for the Platforms, Tools, and CI/CD pipelines at Calix. Our mission is to enable Calix engineers to accelerate the delivery of world-class products while ensuring the high availability, We are seeking a skilled and experienced Staff Engineer - Cloud Platform with expertise in Google Cloud Platform (GCP) Composer and Apache Airflow to join our team. The ideal candidate will have a strong background in cloud infrastructure, automation, and CI/CD pipelines, with a focus on managing and optimizing workflows using GCP Composer and Airflow. This role will involve collaborating with development, data engineering, and operations teams to design, implement, and maintain scalable and reliable data pipelines and infrastructure Responsibilities: Design/rearchitect our infrastructure platform components to be highly available, scalable, reliable, and secure. Design, deploy, and manage GCP Composer environments for orchestrating Apache Airflow workflows. Optimize Airflow DAGs (Directed Acyclic Graphs) for performance, scalability, and reliability. Monitor and troubleshoot Airflow workflows, ensuring smooth execution and timely resolution of issues. Implement best practices for Airflow task scheduling, dependency management, and error handling. Manage and optimize GCP infrastructure, including Compute Engine, Cloud Storage, Big Query, and other relevant services. Implement monitoring and logging solutions using GCP Stackdriver or similar tools to track the health and performance of Airflow workflows and cloud infrastructure. Set up alerts and notifications for critical issues and performance bottlenecks. Analyze logs and metrics to identify and resolve potential issues proactively. Implement IaC using tools like Terraform/Terragrunt Integrate CI/CD pipelines with GCP services and Airflow workflows to enable seamless deployment and testing Collaborate extensively with cross functional teams to understand their requirements; educate them through documentation/trainings and improve the adoption of the platforms/tools. Qualifications: 8+ years of experience in building large scale distributed system in an always available production environment. 5+ years of experience in building Infrastructure Platforms and CI/CD pipelines in a major public cloud provider - GCP preferred; hands-on expertise in commonly used Cloud infrastructure/platforms services tools and services. Proven experience as a Platform Engineer or similar role, with a focus on GCP. Hands-on experience with GCP Composer or Apache Airflow, including DAG creation and management. Experience with GCP Dataplex, including Data zone configuration would be a plus. Experience with infrastructure as code (IaC) tools such as Terraform or Deployment Manager. Proficiency in scripting languages such as Python, Bash, or similar. Experience with CI/CD tools such as Jenkins, GitLab CI, or CircleCI. Familiarity with containerization technologies like Docker and orchestration tools like Kubernetes. Knowledge of monitoring and logging tools such as Stackdriver, Prometheus, or ELK stack. Understanding of security best practices and compliance requirements in cloud environments. GCP certification would be added advantage Bachelor s degree in computer science or equivalent.

Calix provides the cloud, software platforms, systems and services required for communications service providers to simplify their businesses, excite their subscribers and grow their value. This is a position based in Bangalore, India We, the Cloud Platform Engineering team at Calix are responsible for the Platforms, Tools, and CI/CD pipelines at Calix. Our mission is to enable Calix engineers to accelerate the delivery of world-class products while ensuring the high availability, We are seeking Staff Cloud Engineer with proven expertise in the design and building of large-scale Cloud Infrastructure Platforms to join our team and help us deliver the foundation on which Calix products can thrive. You will help us achieve our mission through innovative solutions. Responsibilities: Design/rearchitect our infrastructure platform components to be highly available, scalable, reliable, and secure. Big Query Management: o Design, implement and optimize Big Query datasets, tables and queries for large scale analytics. o Monitor and troubleshoot Big Query Performance, including query optimization and cost management o Manage and monitor data ingestion pipelines using tools like dataflow or Kafka o Ensure Data security and compliance in Big Query, including IAM Policy and data encryption o IaC should be main tool for making any changes in Big Query o Manage database schema changes using Automation tool like Liquibase or similar Ensure Observability is an integral part of the infrastructure platforms and provides adequate visibility about their health, utilization, and cost. Implement IaC using tools like Terraform/Terragrunt Build tools that predicts saturations/failures and takes preventive actions through automation. Collaborate extensively with cross functional teams to understand their requirements; educate them through documentation/trainings and improve the adoption of the platforms/tools. Qualifications: 8+ years of experience in building large scale distributed system in an always available production environment. 5+ years of experience in building Infrastructure Platforms and CI/CD pipelines in a major public cloud provider - GCP preferred; hands-on expertise in commonly used Cloud infrastructure/platforms services tools and services. Expertise with Big Query and working knowledge on AlloyDB, Cloud Spanner is a plus. Experience with Data Pipeline tools like Dataflow, Kafka or Pub/Sub and Kubernetes and its ecosystem Experience in Python, Shell/Bash Scripting, or a similar language. Fast learner and able to troubleshoot complex scenarios while process large volumes of data (Terabytes and Petabytes) Hand-on experience with observability platforms/tools like Grafana/Prometheus. Experience in coaching and mentoring junior engineers; strong verbal and written communications. GCP certification would be added advantage Bachelor s degree in computer science or equivalent.

Calix provides the cloud, software platforms, systems and services required for communications service providers to simplify their businesses, excite their subscribers and grow their value. This is a Hybrid position based in Bengaluru, India . The Content Operations Specialist ensures the seamless management and distribution of digital content across various platforms. Success in this role means maintaining high standards of content quality, meeting deadlines consistently, having an affinity for details, align ing cross-functional stakeholder needs, and optimizing workflows for efficiency. This position is integral to Calix s Customer Success strategy, directly impacting audience engagement and brand perception . This role offers the opportunity to work in a remote, dynamic environment, collaborate with creative and product teams, and contribute to Calix s growth and success by optimizing content processes to better serve customers and employees. It s an exciting time to join Calix as we re working together to imagine and create the broadband experience that the world needs - and wants. Our team is growing and we re looking for a Content Operations Specialist to join our Success Team . Responsibilities and Duties : Understand and adopt content operations best practices , especially when meeting with Subject Matter Experts (SMEs) to improve content lifecycle processes and identify stakeholder needs. In partnership with the Manager, c ollaborate cross-functionally on content strategy prioritization and execution to align with Customer Success and Calix business needs. In partnership with the Manager, align stakeholder and business needs to essential features within tools that support digital asset management, content governance, and AI-supported content creation. In partnership with the Manager and cross-functional tech stack SMEs, i mprove the tagging and categorizing of internal and external content for improved discoverability. Qualifications : 3 -4 y ears of e xperience in disciplines such as Content Strategy, Content Management, Content Operations, Program or Project Management, Communications, and/or Marketing. Bachelor s Degree in disciplines such as Communications, Business, or Marketing or, alternatively, 6+ years of industry experience without a degree. Ability to work remotely with colleagues in North America and Europe, i.e. your working hours will accommodate PST or EST timezones as needed. Strong communication skills to collaborate effectively with various teams and stakeholders. Ability to manage multiple projects, ensuring timely delivery and adherence to quality standards. Ability to analyze content performance metrics and optimize processes based on data. Experience ensuring content is accurate , consistent, and compliant with brand guidelines. Preferable Tool Experience: Miro, SalesForce , Google Analytics, PowerBI , Confluence Required Tool Experience: Microsoft Office 365 Expected Travel % ( i.e. 1 0%) Location: Bengaluru, India

Responsibilities and Duties: Overall 5+ years of experience in Oracle Cloud including Service Contracts, Installed Base, Oracle Order Management Cloud, Distributed Order Orchestration, Pricing, Inventory, and Integrations.Ability to configure Oracle Cloud applications to meet business requirements and document application set-ups.Experience with executing implementation strategy, capturing business and systems requirements, analyzing requirements, preparing functional specification documents, solution designing, prototyping, testing, and training.Partner with key stakeholders and business leaders.Collaborate with team members and other application owners.Recommend roadmaps to close performance gaps and develop high level implementation plans.Identify business requirements and map them to the Oracle Cloud functionality.Identify functionality gaps and develop solutions for them.Develop an understanding of a Calix's current state process and develop future state recommendations.Advise business teams on options, risks, and any impacts on other processes or systems.Lead and conduct SIT and UAT testing.Develop end-user documentation and training materials.Effectively communicate and drive project deliverables to successful completion.Complete tasks efficiently and in a timely manner.Facilitate working sessions with business and technical teams.Support business transformation through continuous system improvement.Oversee Oracle Service Request management and escalate priority issues.Qualifications: 5+ years of experience in Oracle implementations.1+ years of experience working with Oracle Cu Fusion Applications.Experience supporting end to end business processes (Quote to Cash and Return to Repair).Excellent problem solving and analytical skills.Excellent communication and presentation skills.Experience with integrations using Groovy Script, PL/SQL and FBDI.Knowledge and experience with full SDLC lifecycle.Experience in cross-track Supply Chain touchpoints is needed.Preferred Qualifications:Overall 5+ years of experience in Service Contracts and Installed Base with a minimum of 1 year of experience implementing Oracle Cloud Supply Chain Management.Experience with Enterprise Resource Planning (ERP) Cloud, and Supply Chain Management (SCM) Cloud.Experience with B2B integrations using EDI on OpenText and Ariba Network.Experience with Oracle Integration Cloud Service.Experience working with multiple currencies in the Quote to Cash process.Certifications in Oracle Cloud Modules.Required: Bachelors Degree in Information Systems, Computer Science or similar.Preferred: Oracle Cloud Certification.

Develop content for technical publications across all phases of production (scoping features, planning, writing, editing, publishing) Research, investigate, and gather information from both formal and informal specifications and requirements sources (Jira epics stories, engineering wikis, ITU-T/IEEE standards, technical subject matter experts) Collaborate with subject matter experts to create and refine technical content that enables customers to achieve rapid success with our products Exercise active, hands-on approach with using a web UI and/or command line interface to develop configurations and user material Work closely with team members to promote consistency, and adhere to established styles, conventions, and quality standards Qualifications Excellent written and oral communications skills (essential) Masters degree program from an accredited university (Technical Writing or English major preferred) Proven strong academic performer Technical aptitude demonstrated through classes completed or work experience Ability to convey complex technical concepts in a concise but effective manner Strong initiative and good problem-solving skills Strong inclination to conduct self-driven information research and discovery Availability: May/June 2025. This is a one-year program, with a possible extension for another year Preferred Qualifications Experience with workplace collaboration tools such as Microsoft Teams Experience creating technical illustrations with draw.io, Lucidchart, Visio, Photoshop, or any other related tools Location: Bengaluru, Calix India Hybrid (2-3 days in office)

We are looking for an experienced Staff Software Engineer to design, develop, and optimize embedded networking solutions with a strong focus on prplOS, RDK-B, and OpenWRT. The ideal candidate will have expertise in C, C++, Python, Yocto, Linux, IoT protocols, and WiFi, along with experience integrating prplOS-based networking solutions. Key Responsibilities Develop and integrate prplOS and prplMesh into networking platforms. Contribute to embedded Linux-based firmware development , debugging, and optimization. Enhance broadband gateway features, WiFi management, and device security. Integrate prplOS and prplMesh (RDK-B and/or OpenWRT). Work with messaging and communication protocols ( NATS, TR-069, TR-369, MQTT , etc.). Implement embedded AI/ML solutions for network performance optimization, such as traffic pattern analysis and adaptive QoS. Participate in code reviews, testing, and continuous integration workflows. Work closely with hardware and cloud teams to deliver end-to-end solutions. Required Qualifications Bachelor s or Master s degree in Embedded Systems, Computer Engineering, or a related field. 7+ years of experience in embedded software development . Proficiency in C, C++, and Python for embedded systems development . Strong knowledge of prplOS , prplMesh , RDK-B, OpenWRT, and Yocto build systems. Deep understanding of WiFi networking, TCP/IP, DNS, DHCP, VLANs, and security protocols. Experience with Linux kernel, drivers , and networking stacks . Hands-on experience with communication protocols ( NATS, TR-069, TR-369, MQTT, etc. ). Experience working with broadband gateways, Mesh WiFi, and networking hardware. Familiarity with containerization technologies ( Docker, LXC, crun ). Strong problem-solving and debugging skills using tools like gdb, Wireshark, and Valgrind . Preferred Qualifications Experience with Qualcomm, Broadcom, or MediaTek WiFi chipset SDKs. Knowledge of edge computing and AI-driven networking optimizations . Understanding of ARM, MIPS architectures , and real-time processing constraints. Familiarity with security hardening, secure boot , and Trusted Platform Modules ( TPM ). Experience with Agile development and DevOps/CI-CD practices.

Scale distributed applications, make architectural trade-offs applying synchronous and asynchronous design patterns, write code, and deliver with speediness and quality. Develop multi-tier scalable, high-volume performing, and reliable user-centric applications that operate 24x7. Provide technical leadership, driving and performing best engineering practices to initiate, plan, and execute large-scale, cross functional, and company-wide critical programs. Identify, leverage, and successfully evangelize opportunities to improve engineering productivity. Work closely with product owners to understand, analyse product requirements, provide feedback, and deliver a complete solution. Technical leadership of software design in meeting requirements of service stability, reliability, scalability, and security Produce high quality software that is unit tested, code reviewed, and checked in regularly for continuous integration. Qualifications: BS degree in Computer Science, engineering, or mathematics or equivalent experience. 10+ years of highly technical, hands-on software engineering experience. Expert in Java. Proficiency in other languages like Rust, Go, Python, NodeJS is a plus. Experience working in EMS/NMS product with knowledge of FTTX domain. Experience in designing and building infrastructure and web services at large scale. Expert knowledge of computer science, with strong competencies in data structures, algorithms, and software design. Strong, creative problem-solving skills and ability to abstract and share details to create meaningful articulation. Proficient in design and implementation of microservices-based, API/Endpoint architectures Strong background in designing and developing event-based / pub-sub workflows data ingestion solutions. Proficiency and hands on experience with Kafka at scale (or similar) desired. Strong background in transactional databases and good understanding and experience with no-SQL datastores. Organised and goal-focused, ability to deliver in a fast-paced environment.

Calix provides the cloud, software platforms, systems and services required for communications service providers to simplify their businesses, excite their subscribers and grow their value. We are seeking a highly skilled and motivated Staff Software Engineer to join our dynamic team. The ideal candidate will possess extensive experience in software development, with a strong focus on Java/J2EE, Linux, microservices, REST APIs, and high availability systems. Key Responsibilities: Design and implement innovative solutions: Design, code, and debug complex software systems, continuously enhancing their performance and functionality. Solve problems efficiently: Investigate and resolve software-related issues, optimizing performance and providing exceptional user experiences. Be an active team member: Engage in discussions, brainstorm ideas, and suggest solutions, shaping the direction of our shared services. Implement and sustain high availability (HA) solutions, clustering, redundancy, and stateful failover mechanisms. Develop and integrate REST APIs, ensuring smooth communication between different components. Remain forward-thinking: Advocate for new technologies that enhance productivity and efficiency, keeping our tech stack up-to-date and effective. Qualifications: A Bachelor s degree is required, with a Master s degree in a related field preferred. Over 12 years of progressive experience in developing distributed, multi-tier enterprise applications, particularly for element and network management platforms, ideally within Access Networks or telecommunications products. More than 8 years of extensive experience in designing and developing Linux and JAVA/J2EE based applications using Microservices/SOA architecture, Spring Boot, OOP principles, Collections, Multithreading, interprocess communication, exception handling, memory management, packages, JVM, among others. Demonstrated expertise in designing and implementing FCAPS solutions that are geographically diverse, highly scalable, and support high concurrency and multithreading. Over 8 years of experience in creating solutions with REST APIs, JSON, XML, Postgres, MongoDB, ELK Stack, SNMP, and Netconf/Yang. Extensive experience in building authentication and authorization systems utilizing modern technologies like OAuth and LDAP/Radius. Significant experience in establishing High Availability (HA), Clustering, Redundancy, and Stateful Failover through design, implementation, and deployment. Proven track record in performance benchmarking and database optimization. Practical experience with containerization frameworks including Docker, Kubernetes, or comparable tools. Familiarity with various Linux tools related to source code version control, code review, bug tracking, and CI/CD, such as Git, Gerrit, Jira, and Jenkins. Solid understanding of Networking and Broadband technologies is a plus. Location: India - (Flexible hybrid work model - work from Bangalore office for 20 days in a quarter)

Calix provides the cloud, software platforms, systems and services required for communications service providers to simplify their businesses, excite their subscribers and grow their value. Staff Software Engineer - Data Path Software Were seeking a Staff Software Engineer to join our dynamic team and contribute to the development of cutting-edge network solutions and Security solutions for Calix high end carrier access switching products for Internet infrastructure. If youre well-versed in networking technologies, DPDK (Data Plane Development Kit), VPP (Vector Packet Processing), NAT, Firewall (stateful and stateless), DPI, IPSec and ODP (OpenDataPlane), we want to hear from you. Key Responsibilities: Design, develop, and maintain network systems software and Security software for high-performance and low-latency environments. Optimize network data processing by leveraging DPDK and VPP. Develop and maintain software libraries, applications, and tools related to network systems and network security systems. Expert in Linux kernel internals, debugging and troubleshooting, with strong knowledge of networking and protocols. Good Knowledge of different data plane architecture like OpenDP, DPDK, Openflow, VPP, etc. Good understanding of processor architectures like MIPS, PPC, ARM and iX86 architectures and their software dependencies in Linux is necessary. Ensure the reliability and scalability of network solutions. Draft high level and detailed design documentation for new features and capabilities. Propose and implement tools to accelerate software system development and debug environments. Participate in Design/Code reviews, Architecture discussions, and drive execution with a goal to continuous Software Development process improvements. Collaborate with cross-functional teams to define and implement networking protocols (L2, L3, MPLS, NAT, tunnelling - VPN, IPSec, GRE, VxLAN etc) and features. Propose and implement built in diagnostics and test scripts to help reliability and supportability. Work with product management and solutions engineering to write software functional specification and integration documents. Participate and support in fixing issues arising from customer sites. Analyse system scalability, interworking issues and perform root cause analysis of system issues. Keep abreast of the latest technologies within our product area. The candidate is expected to demonstrate a deep sense of product ownership with a strong focus on customer satisfaction. Qualifications: Bachelors or masters degree in computer science, Electronics and Communication Engineering, or a related field. Experience 12+ Years Proven expertise in C programming for systems-level software development. In-depth knowledge of Linux operating systems, including kernel-level programming. Strong understanding of the Data Path Concepts, including various packet processing models, Firewall solutions, including IPSec and VPN. Strong experience with networking technologies and protocols (L2, L3, MPLS, NAT, VPN, IPSec, DPI etc). Strong experience in IPSec, Firewall solutions (stateless, stateful, DPI and Open Source), VPN and NAT. Good understanding and hold on Packet Buffer Management, Mempools, Poll Mode Drivers, Flow and Session Mgmt. VPP plugins architecture, experience in adding new plugins Good understanding of the Cache Utilizations mechanism for both Instruction and Data Cache. Excellent programming skills C, Data structures, Algorithms, Design Concepts Good understanding of multi-threading, IPC, sockets, memory management and other OS level concepts. Familiarity with ODP (OpenDataPlane) is a plus. Experience in programmable packet pipelines is an added plus Work experience on Marvel Octeon or similar NPU is an added plus Excellent analytical, integration, problem-solving skills, hands-on software development and the ability to work in a collaborative, fast-paced environment. Very Good oral and written communication and multitasking skills are expected.