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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer - **Company:** AAC Inc - **Location:** Fairfax, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Gigabit Ethernet, Microsoft Windows, Wireless LAN, Active Directory, Border Gateway Protocol, Health Informatics, Unix, Fiber Distributed Data Interface, Network Analysis, Communications Protocols, Complex Networks, Cyber Security, Computer Networks, Dynamic Host Configuration Protocol, Domain Name System (DNS), Ethernet, Enhanced Interior Gateway Routing Protocol, Monitoring of Systems, Identity and Access Management, Intrusion Detection Systems, OSI Models, Information Systems Security Architecture Professional, Network Security, Simple Mail Transfer Protocols, Multi Router Traffic Grapher, Network Configuration and Change Management, Network Architecture, Network Control, Networking Basics, Routing, Network Administration, Network Protocols, Open Shortest Path First (OSPF), Remote Access Technology, Ansible, Zero Trust Network Access, Simple Network Management Protocols, TCP/IP, Virtual Router Redundancy Protocols, Wireless Networks, Diagnostic Tools, Computer Networking Systems, Firewalls (Computer Science), SC Clearance, Information Technology, SolarWinds (Software), Cisco, Network Optimization - **Published:** July 13, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=bd93cc43ae8a83a8 ## About the Role The ideal candidate will possess extensive Department of Defense networking experience, exceptional troubleshooting abilities, strong communication skills, and the ability to lead complex technical initiatives in a dynamic enterprise environment., One of the following is required: * Bachelor's Degree in Computer Science, Information Technology, Engineering, or related technical discipline with a minimum of five (5) years of directly related network engineering experience; or * Technical or Vocational School certification with ten (10) years of progressively responsible enterprise network engineering experience. Required Certifications Candidates must possess: * DoD 8570/8140 compliant certification * IAM Level III certification (or equivalent) * Cisco Certified Network Professional (CCNP) * Certified Information Systems Security Professional (CISSP), The successful candidate will demonstrate extensive experience supporting large-scale enterprise networks including: * Cisco enterprise networking technologies * Enterprise routing and switching * LAN/WLAN/WAN architecture * Network security engineering * Windows enterprise environments * Microsoft Active Directory * UNIX environments * Enterprise network monitoring * Defense Health Agency or Department of Defense network environments * Healthcare Information Systems supporting mission-critical operations Strong experience is required with: * SolarWinds Orion * Armis * Ansible * Network configuration management * Enterprise change management * Configuration documentation * Network performance analysis * Enterprise troubleshooting Technical Knowledge Candidates should possess mastery-level knowledge of: Networking Protocols * TCP/IP * HTTP / HTTPS * SMTP * SNMP * DNS * DHCP * BGP * OSPF * EIGRP * VRRP * RSTP * PPP * HDLC * XDM, * Ethernet * Fast Ethernet * Gigabit Ethernet * ATM * FDDI * Fiber infrastructure * Long-haul WAN connectivity * Optical networking Diagnostic Equipment Experience utilizing: * Optical Time Domain Reflectometers (OTDR) * Network analyzers * Cable testers * Network protocol analyzers/sniffers * EIA/TIA cabling standards Preferred Qualifications Preference will be given to candidates with: * Experience supporting the Defense Health Agency (DHA) * Military Health System (MHS) experience * Experience supporting Department of Defense healthcare environments * Zero Trust Architecture implementation experience * Enterprise automation using Ansible * Enterprise network modernization experience * ITIL Foundation certification * Experience supporting geographically dispersed enterprise networks Communication & Leadership This position requires exceptional interpersonal and communication skills. The Senior Network Engineer will routinely interact with senior Government officials, military leadership, healthcare professionals, technical engineers, vendors, and program management personnel. The successful candidate must demonstrate the ability to: * Communicate highly technical information to both technical and non-technical audiences. * Lead engineering discussions and technical working groups. * Produce clear, concise technical documentation. * Develop engineering standards and operational procedures. * Coordinate multiple stakeholders across geographically dispersed organizations. * Provide technical leadership during high-priority operational events. Security Requirements * Active SECRET Security Clearance required or the ability to obtain and maintain a SECRET clearance prior to reporting. * Must meet all Department of Defense personnel security requirements. * Must comply with DoD cybersecurity workforce requirements (DoD 8570/8140). ## Description AAC Inc. is seeking an experienced Senior Network Engineer to support the Defense Health Agency (DHA) enterprise medical network infrastructure serving Military Health System (MHS) facilities worldwide. This position serves as the senior technical authority for enterprise network engineering and operations across the Continental United States (CONUS) while supporting global network initiatives., The Senior Network Engineer will be responsible for designing, implementing, maintaining, and continuously improving enterprise network infrastructure supporting Defense Health Agency medical facilities., * Serve as the senior technical authority and Subject Matter Expert (SME) for enterprise LAN/WLAN/WAN infrastructure supporting CONUS operations. * Provide engineering support for enterprise routing, switching, wireless networking, and communications infrastructure. * Design, configure, deploy, document, maintain, and troubleshoot enterprise network devices and services. * Lead diagnosis and resolution of highly complex network performance issues across all layers of the OSI model. * Monitor enterprise network health utilizing advanced network management platforms including SolarWinds Orion, Armis, Ansible, and other enterprise monitoring solutions. * Analyze network performance utilizing SNMP, Management Information Bases (MIB), MRTG, and other diagnostic tools to maximize network availability and performance. * Engineer secure network architectures utilizing firewalls, VPN technologies, Intrusion Detection Systems (IDS), and enterprise security controls. * Support implementation of Zero Trust networking principles and evolving cybersecurity initiatives. * Develop technical recommendations for network enhancements, upgrades, standardization efforts, and operational improvements. * Produce engineering documentation, implementation plans, technical standards, and change management documentation. * Coordinate with Government stakeholders, NetMOD Network Standards Teams, vendors, and other engineering organizations to ensure enterprise compliance with DHA and DoD standards. * Participate in network modernization initiatives, technology refresh projects, infrastructure upgrades, and enterprise deployments. * Evaluate emerging technologies and vendor products to determine applicability to Defense Health Agency operational environments. * Establish and maintain network engineering standards, operating procedures, and best practices. * Support incident response activities and provide senior-level technical leadership during network outages and critical operational events. * Mentor junior engineers and provide technical leadership across the engineering team. * Travel as required to support enterprise engineering efforts across military treatment facilities. ## Related Videos - [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) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [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) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)