> Markdown version of [/jobs/ext/4539661-network-engineer](https://www.wearedevelopers.com/jobs/ext/4539661-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). --- # Network Engineer - **Company:** Sandtech Solutions - **Location:** Washington, DC, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** IEEE 802.1X, Spanning Tree Protocols, Complex Networks, CompTIA Security+, Information Systems, Computer Networks, Firmware, Network Security, Network Layer, Network Connections, Network Installation Services, Routing, NIPRNet, Open Shortest Path First (OSPF), Software Engineering, Virtual Local Area Networks, Network Routers, Dynamic Routing, Computer Networking Systems, Identity Services Engine, Network Access Control, Information Technology, Cisco Switches - **Published:** November 3, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9283361/network-engineer ## About the Role Bachelor's degree in a relevant field, including computer science, information systems, engineering, software engineering, management, sciences, mathematics, or business. Three additional years of applicable experience may substitute for a bachelor's degree. Five years of relevant network engineering experience required. DoD 8140 baseline certification requirements are referenced in the source; exact applicable qualification and timing require confirmation. CCNA is listed, while CompTIA Security+ CE is identified as optional., At least five years of experience diagnosing and resolving complex network hardware, circuit, and transmission problems. Experience designing, deploying, testing, and maintaining complex high-speed enterprise networks. Strong knowledge of switching, VLANs, trunks, spanning tree, and Layer 2 and Layer 3 troubleshooting. Experience with routing technologies, including OSPF and other enterprise dynamic routing protocols. Ability to plan network enhancements, validate configurations, and resolve service disruptions. Experience working within structured change management and security requirements. 5. Preferred Qualifications Cisco Identity Services Engine (ISE) and 802.1X network access control experience. Cisco Catalyst Center (formerly DNA Center) experience. Experience supporting DoD, Air Force, NIPR, SIPR, or other regulated enterprise environments. Experience with high-assurance encryptors and network element management tools. Familiarity with National Capital Region defense installations and communications operations. ## Description At SandTech Solutions, we are committed to "Enabling Success" of our clients' missions. We are seeking a Senior Network Engineer to support enterprise network availability, modernization, troubleshooting, and secure operations at Joint Base Anacostia-Bolling in Washington, D.C. The position supports unclassified and classified network environments, works closely with operations teams, and helps maintain reliable infrastructure for mission-critical services., Monitor enterprise networks and respond to alerts, outages, and performance anomalies. Troubleshoot complex Layer 1 through Layer 3 network, circuit, and hardware issues. Configure, maintain, and optimize routers, switches, and enterprise network appliances. Plan, coordinate, and validate network installations, upgrades, and acceptance tests. Implement approved change windows, firmware updates, and network improvements. Coordinate with telecommunications providers and vendors to resolve connectivity and equipment issues. Apply approved network security hardening, patching, and configuration standards. Support encrypted network connectivity and required communications security procedures. Provide operational coverage, escalation documentation, and shift-lead backup when needed. Contribute to infrastructure modernization, technology refresh, and on-call operational support.