Sr. Systems Engineering (Networking)

Location: On-site Washington DC - Local DMV


Senior Network Engineer
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, Client, 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 8 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