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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Engineer - TS/SCI with Polygraph - **Company:** General Dynamics Information Technology - **Location:** Springfield, VA, United States - **Experience:** Expert - **Salary:** $111,155.0 - $150,385.0 - **Contract:** Permanent contract - **Skills:** Data Analysis, Border Gateway Protocol, VoIP, Network Analysis, Computer Networks, Networking Hardware, Internet Protocol Security (IP SEC), IPv4, IPv6, Virtual Private Networks (VPN), Multi-protocol Systems, Local Area Networks, Network Security, Multicasting, Network Configuration and Change Management, Network Architecture, Network Forensics, Network Monitoring, Routing, NIPRNet, Open Shortest Path First (OSPF), Remote Access Technology, Simple Network Management Protocols, Wide Area Networks, File Transfer Protocol (FTP), Juniper, Information Technology, Microfocus, Cisco - **Published:** June 3, 2026 - **Apply:** https://dejobs.org/x/x/A64CD5C163364E18BF327D00E5B1E435/job/ ## About the Role Cisco,CISSP,Local Area Network (LAN),Transport Technologies,WAN Networking, 8 + years of related experience, Clearance: Active TS/SCI with ability to obtain a Polygraph, * Active TS/SCI clearance with ability to obtain a Polygraph * BS degree or equivalent experience * 8+ years of hands-on experience with network and transport technologies, tools, and techniques * 4+ years supporting large-scale enterprise or global networks in a fast-paced, diverse environment * Active 8570/8140 Approved IAT II certification required * Working knowledge of DoD Architecture Framework and related DoW network architecture guidance * Experience with Juniper network devices (MX, EX, SRX) and cryptographic devices (KG-175G/X, KG-245A/X) * Proficiency with network analysis tools (HP/Microfocus NA/NNM, Juniper Secure Analytics, Infoblox, Riverbed) * Experience with Juniper firewall/VPN technologies (SRX series) * Experience supporting IP services for NIPRNET, SIPRNET, and JWICS (IPv4/IPv6, VPN, Multicast, QoS, SDN, SNMP, VOIP, VTC, etc.) * Strong understanding of OSPF, BGP, MPLS, RSVP/LDP Layer 2/3 VPNs, VRFs, IKE/IPSec, GRE tunnels, MTU, FTP, and routing policy frameworks Desired Qualifications: * Master's degree in Computer Science or related field * Professional certifications such as JNCIA, JNCIS, JNCIP, CCNP, CCVP, CCNA, or CCDP * ITIL v3 Foundations * ISC2 CISSP ## Description * Coordinate system maintenance, monitoring, and installation activities across diverse WAN/LAN environments and technologies. * Research, recommend, and implement enterprise network capabilities and enhancements aligned with mission and business objectives. * Troubleshoot and resolve issues with network media, components, and connectivity. * Evaluate and monitor network health, performance, and hardware/software effectiveness. * Develop and maintain technical roadmaps for network capabilities, operations, and technologies. * Create and execute detailed test plans and documentation for all network configuration changes, upgrades, and additions. * Support network traffic analysis and bandwidth optimization to meet performance and availability targets. * Assess and provide recommendations on emerging network and communication technologies. * Recommend upgrades and changes aligned with industry standards and best practices. * Adhere to all customer network security policies, procedures, and compliance requirements. * Represent customer requirements and priorities during technical exchanges with partner agencies. * Conduct site surveys for new installations and technology refresh initiatives. * Install, maintain, and troubleshoot satellite communications equipment. * Create and maintain network architecture diagrams. ## Related Videos - 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