Senior Network Engineer

Senior Network Engineer
Washington, D.C.
US Citizenship required
Public trust required

The Britton Group is a premier provider of intelligence and national security solutions, specializing in mission-critical IT services, digital transformation, AI/ML, cybersecurity, and specialized intelligence.

With over 25 years of experience delivering innovative, secure, and agile solutions to the federal government, The Britton Group stands as a trusted partner in the Intelligence Community.  Founded in 2013, we are proud to be an SBA certified WOSB and EDWOSB with our headquarters in the Washington, DC Metro area.

This role supports the stability, performance, and security of enterprise and data center network infrastructure. The position is responsible for managing Cisco-based networking environments including Cisco Catalyst and Nexus platforms, wireless networks, ISE, and IPS, while ensuring high availability, security compliance, and continuous operations.

Key Responsibilities

• Design, implement, and maintain internal and external network infrastructure supporting critical business applications.
• Support day-to-day network operations and ongoing initiatives, including routing and switching troubleshooting, maintenance activities, and operational support.
• Develop and implement new network designs and improvements to enhance performance, resiliency, and scalability.
• Plan and execute network upgrades in collaboration with internal teams.
• Proactively monitor and analyze network health using enterprise monitoring and management platforms.
• Participate in cloud migration and hybrid network initiatives.
• Ensure network availability, security, and compliance with enterprise standards.

Required Qualifications

• Minimum of 10 years of experience supporting enterprise grade routers and switches in large data center environments.
• Expert-level knowledge of BGP and OSPF, including traffic engineering, route optimization, and failover design.
• Strong expertise in TCP/IP troubleshooting and packet analysis.
• Hands-on experience configuring and supporting:
  • BGP, OSPF, and STP on Cisco NX-OS and IOS-XE platforms
  • Cisco Nexus (9K, 7K) and Catalyst switches and routers
• Proven experience designing, planning, testing, implementing, and troubleshooting large-scale data center networks.
• Experience with network management and monitoring tools, such as SolarWinds and Cisco Catalyst Center.
• Experience with cloud networking and hybrid network architectures.

Candidates should be able to clearly articulate and provide examples of:

• Designing and implementing BGP and/or OSPF routing architectures
• Troubleshooting complex routing issues in production environments
• Supporting or leading data center network deployments or migrations
• Real-world scenarios involving failover, convergence, and traffic optimization