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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Engineer - **Company:** Adaptivestack Technologies Inc. - **Location:** Bethesda, MD, United States - **Experience:** Expert - **Salary:** $100,000.0 - $119,000.0 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Microsoft Azure, Border Gateway Protocol, VoIP, Cloud Computing, Complex Networks, CompTIA Network+, Cyber Security, Information Systems, Computer Networks, Data Centers, Dynamic Host Configuration Protocol, Distributed Systems, Domain Name System (DNS), Network Topologies, IPv4, IPv6, Internetworking, Subnetting, Virtual Private Networks (VPN), Network Security, Network Architecture, Network Planning and Design, Network Service, Open Shortest Path First (OSPF), Zero Trust Network Access, Simple Network Management Protocols, Virtual Local Area Networks, Software Vulnerability Management, Wide Area Networks, Wireless Networks, Load Balancing, Grafana, HybridCloud, Firewalls (Computer Science), Juniper, Information Technology, Palo Alto Networks, Firepower, Firewall Services Module, Big Ip, Cisco - **Published:** May 13, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=9f4d8db9727f230b ## About the Role Do you have experience in Wireless networking?, Do you have a Bachelor's degree?, * Bachelor's degree in Computer Science, Information Systems, or related field (or equivalent experience) * 7+ years of hands-on experience in enterprise network engineering and infrastructure support * Deep knowledge of Cisco routing and switching technologies, firewalls, VPNs, wireless networks, and load balancing * Proficiency with network design principles, subnetting, VLANs, QoS, SNMP, and IPv4/IPv6 * Experience supporting federal IT environments and compliance with FISMA, NIST 800-53, and TIC requirements * Strong diagnostic and troubleshooting skills in complex, distributed environments * Ability to manage large-scale network projects and support 24x7x365 operational requirements, * Experience with NIH, HHS, or other federal health/science agencies * Familiarity with tools such as: * Cisco APIC/ACI, DNA Center, Firepower, ISE * Palo Alto Wildfire * F5 Big-IP, AlgoSec * ScienceLogic SL1, SecureCRT, Infoblox, ZEN * Certifications such as: * Cisco CCNP or CCIE * CompTIA Network+, Security+ * Palo Alto Networks Certified Network Security Engineer (PCNSE) * Experience implementing cloud-based networking (AWS/Azure hybrid connectivity), * Network infrastructure: 10 years (Required) License/Certification: * Cisco Certified Internetwork Expert (CCIE) (Preferred) * Juniper Networks Certified Internet Expert (JNCIE) (Preferred) * Cisco Certified Network Professional (CCNP) (Preferred) * Juniper Networks Certified Professional (JNCIP) (Preferred) ## Description Adaptivestack Technologies is seeking a highly experienced and technically proficient Senior Network Engineer to support enterprise-scale network design, operations, and security for the National Institutes of Health (NIH) Center for Information Technology (CIT). This role ensures the stability, integrity, and performance of NIH's voice, data, video, and wireless networks across LAN, WAN, and cloud infrastructure. The ideal candidate will have extensive hands-on experience in planning, designing, deploying, and managing secure network solutions in a high-availability, compliance-driven federal environment., * Design, implement, and optimize complex LAN/WAN and wireless network architectures, including data center, enterprise, and cloud connectivity. * Ensure the stability and integrity of all network services, including voice (VoIP), data, and video traffic. * Lead and support installation, configuration, and lifecycle management of enterprise network hardware and software (Cisco, Palo Alto, F5, Infoblox). * Monitor, diagnose, and resolve complex network performance and security issues using enterprise tools (e.g., Cisco DNA Center, Grafana, Net LineDancer, Thousand Eyes). * Maintain and manage core network services such as DNS, DHCP, VPN, BGP/OSPF routing, NAC, and firewall configurations across multi-vendor environments. * Provide expert-level support for network architecture initiatives, including Zero Trust Network Architecture (ZTNA), Trusted Internet Connections (TIC), and hybrid cloud integration. * Lead vulnerability remediation efforts and coordinate with cybersecurity teams on compliance with NIST and NIH IT security standards. * Document and maintain network topologies, configurations, and standard operating procedures. * Mentor junior engineers and provide end-user training as needed for escalated issues and new technologies. * Participate in change control, incident response, and continuity of operations (COOP) activities. * Actively engage in strategic planning to align network evolution with NIH's mission and business requirements. ## Related Videos - [IP Authentication: A Tale of Performance Pitfalls and Challenges in Prod](https://www.wearedevelopers.com/videos/1413-ip-authentication-a-tale-of-performance-pitfalls-and-challenges-in-prod) - [IoT: The road to sustainability](https://www.wearedevelopers.com/videos/557-iot-the-road-to-sustainability) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Cyber Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Top Must-Visit Developer Conferences in the US in 2026](https://www.wearedevelopers.com/magazine/679-top-must-visit-developer-conferences-in-the-us-in-2026)