Mid-Level Network Engineer

Alexandria Insights•Stafford, VA
•$75,000 - $110,000•Onsite

About The Position

The Mid-Level Network Engineer designs, configures, secures, and sustains network infrastructure for Department of Defense tactical and enterprise environments. The role implements routing, switching, firewall, virtual local area network, wireless, and network-management solutions; monitors performance and availability; troubleshoots complex connectivity issues; and maintains accurate technical documentation. The engineer applies independent technical judgment, disciplined configuration management, and close coordination with cybersecurity, systems engineering, operations, and program stakeholders to provide secure, resilient, and high-performing network services. This is a fully on-site position in Stafford, Virginia, with minimal travel; remote work is not available. The position is contingent upon contract award. U.S. citizenship and an active Department of Defense Secret security clearance are required.

Requirements

  • Bachelor's degree and 5 or more years of experience, or a master's degree and 2 or more years of experience.
  • Five or more years of experience in varied network environments.
  • Cisco Certified Network Associate (CCNA) certification.
  • U.S. citizenship.
  • Active Department of Defense Secret security clearance.

Nice To Haves

  • Experience with DoD STIG compliance and network hardening procedures.
  • Familiarity with NSA Type 1 encryption and HAIPE devices.
  • Experience with Software Defined Networking (SDN) in tactical environments.
  • Knowledge of MPLS, BGP, and advanced enterprise routing protocols.

Responsibilities

  • Design, configure, test, and deploy network solutions using routers, switches, firewalls, virtual local area networks, wireless technologies, and associated services.
  • Configure and manage dynamic routing protocols, switching features, access controls, network address translation, and segmentation for tactical and enterprise environments.
  • Evaluate technical requirements, network dependencies, capacity constraints, and implementation risks, and recommend practical solutions aligned with approved architectures.
  • Monitor network health, availability, utilization, and performance; investigate incidents and restore service within established priorities.
  • Troubleshoot complex Layer 2 and Layer 3 connectivity, routing, switching, firewall, wireless, and interoperability issues using approved diagnostic tools.
  • Implement network hardening, security controls, and remediation actions in accordance with approved Security Technical Implementation Guides and organizational policy.
  • Support cryptographic devices and protocols used in defense network environments, coordinating with security specialists when escalation is required.
  • Maintain network diagrams, configuration baselines, addressing plans, interface records, standard operating procedures, and implementation documentation.
  • Use network monitoring and configuration-management tools to identify configuration drift, support backups, control changes, and improve operational visibility.
  • Participate in technical reviews, change-control boards, testing events, and implementation activities; document decisions, risks, and follow-up actions.
  • Coordinate with cybersecurity, systems engineering, operations, vendors, and customer stakeholders to integrate solutions and resolve cross-functional impediments.
  • Provide stakeholders with timely technical analysis, clear recommendations, and reliable status information.
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