> Markdown version of [/jobs/ext/3948915-network-engineer-all-levels](https://www.wearedevelopers.com/jobs/ext/3948915-network-engineer-all-levels). 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 (All Levels) - **Company:** ADAPTIC, LLC - **Location:** Annapolis Junction, MD, United States - **Contract:** Permanent contract - **Skills:** Network Operating System (NOS), Cisco IOS, Complex Networks, System Configuration, Disaster Recovery, Distributed Systems, VMware ESX Servers, Networking Hardware, Intrusion Detection and Prevention, Intrusion Detection Systems, Network Security, Network Architecture, Network Planning and Design, Network Monitoring, Routing, Network Segmentation, Network Administration, Virtual Local Area Networks, Virtualization Technology, Network Routers, Firewalls (Computer Science), Information Technology, Network Support, Cyber Warfare, Cisco, Vulnerability Analysis, Vmware - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/network-engineer-all-levels-annapolis-junction-md--012a25a3-8be6-4fc8-9f62-b7b61b06ea80 ## About the Role Network Architecture/Engineering, Network Architecture/Engineering, United States Department of Defense (DoD), Intelligence Community, Problem Solving Skills, Network Administration/Management, Network Support, Network Design, Firewalls, Network Routers, * All positions require an active TS/SCI with polygraph * Experience with network engineering concepts, including routing, switching, and network security * Experience with technologies such as Cisco IOS, PAN-OS, or similar platforms * Familiarity with network segmentation, virtualization, and traffic management concepts * Strong troubleshooting skills across network infrastructure and connectivity issues * Experience working in fast-paced, operational environments * A degree in Network Engineering, Information Technology, or a related field (or equivalent experience) Nice to Have * Active DoD IAT Level II or III certification (e.g., Security+, CISSP, CASP+, CCNP Security) * Active Cisco certification (e.g., CCNA, CCNP) * Experience with VMware/ESXi or virtualized network environments * Familiarity with intrusion detection/prevention systems and network monitoring tools * Exposure to network security, vulnerability analysis, or defensive cyber operations * Military cyber training (e.g., JCAC, UCT, NWBC/INWT) ## Description At Adaptic, our Network Engineers don't just keep systems connected-they design, secure, and optimize the infrastructure that enables mission success. Supporting the DoD and Intelligence Community, you'll work in dynamic environments where performance, reliability, and security are critical. Whether you're early in your career or leading network architecture and engineering efforts, we're looking for Network Engineers at all levels who enjoy solving complex problems and keeping systems running at peak performance. Your Impact You'll support and enhance network infrastructure across design, implementation, and operations-ensuring secure, reliable connectivity in high-stakes environments. Day-to-day, that can look like: * Configuring and optimizing network devices, including routers, switches, and firewalls * Designing and supporting network segmentation (e.g., VLANs, VRFs) and virtualized environments * Implementing and managing network security controls, including IDS/IPS and NextGen firewalls * Monitoring network performance, capacity, and availability across distributed systems * Troubleshooting connectivity issues and resolving complex network problems * Supporting network operating system installation, upgrades, and patching * Developing and maintaining network backup and recovery procedures * Identifying and mitigating network vulnerabilities to enhance system security * Supporting virtualized network environments, including VMware-based infrastructure * Collaborating with system administrators, engineers, and security teams to support mission needs