Why work for Brennan? At Brennan, we aim to lead, not follow. One of the ways we do this is through an open diverse culture that values performance, where anyone in the team can bring new ideas to the table and see them thrive. Our people are empowered, considerate, supportive, trusting and accepting, they are the cornerstone of the business. Because of this approach, we have become the largest Australian owned systems integrator in Australia and continue to grow.Job Responsibility:Responsible for configuration and implementation of Voice and Data servicesNetwork change, migration, cutover implementationMaintaining accurate and up-to-date technical documentation related to the implementation / change executed.Full knowledge of Brennan IT systems, core network, and complex customers network setup.Ensure achievement of contracted levels of performance by the proactive surveillance, event control and escalation management of performance related incidents.Act as point of technical contact for client and internal requestsThe position is expected to meet all agreed SLA metrics as contracted by Brennan IT and to minimize service impacts to customers within established cost parameters.Close collaboration with Provisioning, Project Coordinators / Managers, & Clients.5+ yrs. of extensive experience in technical network Implementation / support role preferably in Managed Services or Telco environmentIntrinsic industry based technical aptitude (Example, TCP / IP and Application layer protocols)Extensive design and implementation experience on multiple networking platforms and technologies (Fortinet, Cisco, Huawei, etc.)Good knowledge on network access technologies (NBN, Ethernet, IP Internet, 4G/5G)Good implementation experience on networking protocols (SNMP, DHCP, DNS, HSRP, VRRP etc.), routing protocols (EIGRP, OSPF, ISIS, BGP etc.), switching protocols like VLAN, Trunking, Dot1x, STP etc.), MPLS, QOS and other advanced network technologies.Good implementation experience on network security platforms and technology on one or more of the following platforms (Fortinet - Essentials, Cisco ASA, Juniper, Sophos, Palo Alto, Meraki MX, Checkpoint), wireless technology (Cisco Meraki - Essential, Ubiquiti, HP Aruba, Fortinet) and basic knowledge on Voice technology (Cisco UC)Good knowledge on GRE, IPSEC VPNs, NAT/PATStrong communications skills.