> Markdown version of [/jobs/ext/3778325-tier-iii-network-engineer-senior-government](https://www.wearedevelopers.com/jobs/ext/3778325-tier-iii-network-engineer-senior-government). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Tier III Network Engineer - Senior (Government) - **Company:** AT&T Inc. - **Location:** McLean, VA, United States - **Experience:** Expert - **Salary:** $89,200.0 - $175,358.0 - **Contract:** Permanent contract - **Skills:** Border Gateway Protocol, Business Systems, Data Transmissions, Enhanced Interior Gateway Routing Protocol, Tivoli Management Framework, Networking Hardware, Multi-protocol Systems, OSI Models, Local Area Networks, Network Control, Network Monitoring, Routing, Network Service, Network Management System, Open Shortest Path First (OSPF), Wide Area Networks, Computer Network Operations, SolarWinds (Software), 3-tier Architectures, Functional Programming, Servicenow - **Published:** October 16, 2026 - **Apply:** https://www.juju.com/job/1_att7-99066177200 ## About the Role This position requires office presence of a minimum of 5 days per week and is only located at customer's site., LAN/MAN/WAN/Optical specialization. + Utilization of common ticket systems (Remedy, ServiceNow) and common network management tools (HPOV, HPNA, Solarwinds, MNS, Netcool, etc). + Must have hands on troubleshooting and fault isolation of IT business systems. + Must have a strong understanding of the OSI model and configuration of routing protocols such as EIGRP, OSPF, MPLS, BGP, LDP. + Candidate must have a total of 12 years of applicable experience. The experience can be a combination of degree and work history. ## Description AT&T has an opening for a Tier 3 Network Engineer to support the 24x7 Network Operations Center in providing Tier 3 network service and superior troubleshooting expertise. **Job Duties/Responsibilities:** + Provide Tier 3 support to the Network Operations Center (NOC). + Supports an organization's local area network (LAN), wide area network (WAN), customer networks, Intranet and Internet and other data communications systems or a segment of a network system. + Monitor network to ensure network availability to all system users and perform necessary maintenance to support network availability. + Maintain network hardware and software. + Proactively identify risks in the network and develop a plan to mitigate them. + Supports numerous business requirements for telecommunications (e.g., LAN, MAN, WAN, Voice and Video). **Required Clearance:** TSSCI with poly (#tssci) (#polygraph) **Required Qualifications:** + Advanced networking qualifications including MPLS, BGP, OSPF, LAMBDA.