> Markdown version of [/jobs/ext/3449949-jr-network-engineer](https://www.wearedevelopers.com/jobs/ext/3449949-jr-network-engineer). 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). --- # Jr. Network Engineer - **Company:** ASGN Incorporated - **Location:** Washington, DC, United States - **Experience:** Starter - **Salary:** $135,200.0 - $156,000.0 - **Contract:** Temporary contract - **Skills:** IEEE 802.1Q, Link Aggregation (Ethernet), Application Firewall, Border Gateway Protocol, Spanning Tree Protocols, Catalyst (Software), Cisco PIX, EtherChannel, Trunking, Virtual Private Networks (VPN), Cisco Nexus Switches, Open Shortest Path First (OSPF), Remote Access Technology, Virtual Local Area Networks, Network Routers, Apex Code, Dynamic Routing, Firewalls (Computer Science), Juniper, Cisco - **Published:** September 30, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9204499/jr-network-engineer ## About the Role TS/SCI w/ CI Polygraph Security Clearance (Eligibility) - Security+CE - 3+ Years of Networking Experience - 1+ Years of Sr Network Admin, or Network Engineer Level Exp. - Configure, maintain, and troubleshoot enterprise Layer 2 switching (Catalyst, Nexus, EX, QFX) - Implement VLANs, trunking (802.1Q), inter-VLAN routing, and STP/RSTP/MST management - Experience with EtherChannel/LACP - Firewall Administration Experience ## Description Apex Systems has an Immediate Need for a Jr. Network Engineer in Washington D.C Area (Anacostia / Bolling AFB) !!! This will be an estimated "12+ Month Contract" opportunity, supporting one of our Largest Government Clients on the East Coast! Please See Below for all Position Details & How To Apply., Install, configure, and maintain enterprise LAN/WAN infrastructure, including routers, switches, firewalls, and VPNs. - Configure and troubleshoot dynamic routing protocols, including OSPF, RIP, and BGP. - Configure and apply standard ACLs to enforce security and traffic policies. - Configure, maintain, and troubleshoot Cisco/Juniper enterprise switching environments (Catalyst, Nexus, EX, QFX). - Manage Spanning Tree Protocol (STP, RSTP, MST) to ensure loop-free topology and rapid convergence. - Deploy EtherChannel/LACP for link redundancy and throughput optimization. - Administer, configure, and manage Cisco ASA appliances, including VPN solutions and secure remote access. PLEASE NOTE: Candidates must be able to obtain and/or maintain a Department of Defense Top Secret w/ CI POLY Security Clearance as a condition and continuation of employment*