Network Engineer L3- TS/SCI Poly required

Network Engineer

Location: Annapolis Junction, MD

Clearance: TS/SCI with Polygraph

Experience Level: L3

We are seeking a Network Engineer to support the full lifecycle of enterprise network operations—from design and implementation to maintenance, troubleshooting, and modernization. The ideal candidate brings strong analytical skills, hands-on network administration experience, and the ability to translate mission needs into reliable, scalable network solutions.

Key Responsibilities

• Perform network services across the full lifecycle, including design, implementation, maintenance, and upgrades of existing networks.
• Analyze network designs, specifications, engineering documents, and related technical materials.
• Conduct general LAN/CAN/WAN administration, ensuring stable and secure network operations.
• Schedule and execute network conversions, migrations, and cutovers.
• Coordinate with users, sites, and stakeholders to resolve network and system incidents.
• Translate business and mission requirements into telecommunications solutions, including LAN, CAN, WAN, voice, and video architectures.
• Perform engineering analysis of telecommunications alternatives to support strategic modernization initiatives and technology refresh efforts.

Required Education & Experience

• BS + 12 years of relevant experience, or

• ND + 16 years of relevant experience

Desired Skills & Expertise

• Experience or working knowledge of Arista EOS (Extensible Operating System) as well as Cisco IOS or NX-OS

• Demonstrated experience hardening network devices to meet strict security standards and implementing secure network protocols

• Hands-on experience configuring and managing L2 and L3 network services, including VPN, QoS, network slicing, and segmentation

• Proficiency using network troubleshooting and analysis tools such as Wireshark, Tcpdump, and NetFlow to diagnose and optimize network performance