Network Administrator

Network Administrator – Arlington, VA

Network Administrator responsible for implementation, maintenance, monitoring, and support of the organization’s enterprise network infrastructure across LAN, WAN, and cloud‑connected environments while ensuring network security and operational efficiency.

• Install, configure, maintain, and support enterprise network infrastructure and services.
• Configure and troubleshoot routing protocols (EIGRP, BGP, OSPF) and switching technologies to ensure reliable connectivity.
• Support cloud‑connected and hybrid network environments, including AWS, Azure, and GCP integrations.
• Assist with deployment, administration, and troubleshooting of SD‑WAN solutions.
• Implement and maintain DISA STIGs and DoD security requirements for network devices and infrastructure.
• Utilize tools such as Solar Winds and SD‑WAN controllers to monitor network health, identify issues, and optimize performance.
• Maintain network diagrams, configuration records, standard operating procedures, and technical documentation.
• Provide Tier 2 and Tier 3 support for network‑related incidents and service requests.
• Participate in troubleshooting and restoration efforts during network outages and service disruptions.
• Work with vendors and support providers to resolve hardware, software, and connectivity issues.
• Recommend enhancements to improve network reliability, security, and operational efficiency.
• Occasional CONUS/OCONUS travel may be required for project support.
• Other duties as assigned.

• Bachelor’s degree in computer science, information technology, or related field (or associate’s degree with 3+ years of relevant experience and CCNA certification).
• 3+ years of enterprise network administration experience.
• DoD IAT Level II certification (e.g., Security+ CE).
• Must possess TS/SCI with the ability to obtain CI poly.
• Successfully pass background and drug screening.

• Working knowledge of TCP/IP, VLANs, VPNs, BGP, OSPF, EIGRP, MPLS, and enterprise networking concepts.
• Experience administering Cisco, Palo Alto, Arista, or similar enterprise networking platforms.
• Knowledge of firewall policies, IDS/IPS technologies, access controls, and network security best practices.
• Experience using network monitoring and troubleshooting tools such as Solar Winds, Wireshark, or equivalent platforms.
• Ability to diagnose and resolve network connectivity, performance, and security issues.
• Strong analytical and problem‑solving skills.
• Experience maintaining network documentation, diagrams, and operational procedures.
• Ability to work independently and collaboratively within a team environment.
• Effective verbal and written communication skills.
• Ability to prioritize workload and adapt to changing operational requirements.

USD $ / Yr. Up to USD $ / Yr.