Linux Admin || Noida || Excellent Communication || Male Candidates

Job Description

JOB DESCRIPTION Job Title: Linux Support Engineer Experience Required: 4 - 7 yrs. Location: Noida, Sector-68 Working Days: Rostered Shift Working Mode: Work from Office Notice Period: Immediate/ 15-30 days Only Male candidates are preferred. Job Summary As an L2 Support Engineer in a web hosting environment, your primary responsibility is to ensure the smooth operation, optimization, and troubleshooting of Linux-based hosting servers. You will handle escalated technical issues related to hosting services, control panels (cPanel/WHM), web servers, databases, email systems, and DNS. You act as a bridge between L1 support and L3 system administrators or DevOps teams. Key Responsibilities 1. Linux Server Administration Manage and maintain Linux-based hosting servers (e.g., CentOS, AlmaLinux, Ubuntu). Perform routine system checks: disk usage, inode limits, CPU load, memory consumption. Monitor services like Apache, MySQL, Exim, Dovecot, and ensure uptime. Restart failed services and investigate the cause of crashes or resource spikes. 2. WHM/cPanel Hosting Support Troubleshoot issues related to WHM/cPanel including: Account creation/modifications Quota and bandwidth issues. SSL certicate installation and renewal (Let's Encrypt or paid SSLs). Mail routing, spam ltering, and mailbox conguration. Diagnose UI/backend issues within cPanel, WHM, and Webmail (Roundcube, Horde). Manage EasyApache configurations and PHP versions per user. 3. Web Server (Apache/Nginx) & PHP Management Diagnose and resolve issues with Apache and Nginx, such as: 500 Internal Server Errors, 403 Forbidden, 503 Service Unavailable. Virtual host misconfiguration. Tune and optimize Apache/PHP performance (mod_rewrite, caching, MaxClients, etc.). Configure and troubleshoot multi-PHP setups via EasyApache or CloudLinux PHP Selector. Identify and Linux, PHP-related errors (deprecated functions, memory limits, timeouts). 4. Database (MySQL/MariaDB) Management Handle MySQL/MariaDB issues, including: Database connectivity errors. Corrupt tables or slow queries. User access permissions and privileges. Perform basic optimizations (MySQL tuner, indexing suggestions). Assist clients with phpMyAdmin-related tasks and database exports/imports. 5. DNS & Domain Management Configuration and troubleshoot DNS zones, records (A, MX, CNAME, TXT, SPF, DKIM, DMARC). Help with domain propagation issues and nameserver configurations Support parked, addon, and subdomain setups. Handle DNSSEC configuration if required. 6. Email Hosting Support Troubleshoot email delivery issues (blacklisting, SPF/DKIM failures, mailbox full). Manage Exim mail queue and bounce-back analysis. Assist with configuring email clients (Thunderbird, Outlook) and webmail access. Help mitigate spam/abuse cases and configure spam filters (SpamAssassin, RBLs). 7. Server Security & Hardening Perform regular security checks for malware, rootkits, and suspicious activities. Handle brute force and DoS attacks using CSF/LFD, fail2ban, etc. Work with security tools and plugins in WHM (e.g., ImunifyAV, ClamAV). Audit files permissions, SSH Configurations and secure PHP/Apache modules. 8. Monitoring, Backup & Incident Handling Monitor server health using tools like Nagios, Munin, Zabbix, or WHM-native tools. Investigate and resolve alerts such as high load, service downtime, and abuse reports. Restore files and databases from JetBackup, cPanel backups, or other systems. Document all incidents with root cause and resolution steps. 9. Automation & Scripting Write or maintain bash scripts for automating repetitive hosting-related tasks. Assist in automation of tasks like backups, service restarts, or account suspension. 10. Documentation & Collaboration Maintain accurate documentation (knowledge base articles, SOPs, resolution steps). Collaborate with L1 teams to mentor and train on escalated issues. Coordinate with L3 or DevOps teams on critical bugs, server migrations, or updates. Escalate unresolved issues with detailed logs and reproduction steps. Requirements Operating Systems: CentOS, AlmaLinux, Ubuntu (LTS versions) Hosting Panels: cPanel/WHM Web Stack: LAMP (Linux, Apache, MySQL, PHP), optional Nginx Mail Systems: Exim, Dovecot, MailScanner Security Tools: CSF, LFD, Imunify360, ModSecurity, ClamAV Monitoring: Nagios, Munin, WHM metrics Ticketing Tools: WHMCS, or custom CRM Version Control (optional): Git, for configuration or script management. What we Offer? Immense opportunities for growth, personal development & career opportunities. We also champion a workplace culture that thrives on passion, collaboration, efficiency and innovation. Dynamic Teamwork Environment, Fantastic Flexibility. Work life balance. Fixed working hours. Five days working Medical Benefits. Interested candidates can share their resumes at kanika.s@broadwayinfotech.com or can directly contact at 9205081545.