Network Engineer

As a Sr. Network Engineer, you will be responsible for the design, implementation, and ongoing support of complex network infrastructures. This includes overseeing technical refresh, hardware replacements, and network migration projects. You will provide advanced troubleshooting across a diverse enterprise network environment, ensuring the highest levels of performance, security, and reliability. The ideal candidate will bring expert-level knowledge of Cisco routing and switching platforms and a proven ability to address and resolve network issues spanning VLANs, trunking, STP, OSPF, BGP, QoS, LACP, ARP, and security. You will also be expected to create and maintain detailed network documentation, collaborate with multidisciplinary teams, and support enterprise operational initiatives. Daily responsibilities will be performed onsite.

• 10-12 years of hands-on experience in network engineering, with a focus on routing and switching.

• Demonstrated success supporting large-scale technical refresh, replacement, or migration efforts.

• Advanced expertise with Cisco technologies, including Cisco routing and switching platforms, Cisco Identity Services Engine (ISE), and Cisco Catalyst Center.

• Deep understanding and practical troubleshooting in areas such as VLANs, trunking, Spanning Tree Protocol (STP), OSPF, BGP, Quality of Service (QoS), Link Aggregation Control Protocol (LACP), Address Resolution Protocol (ARP), and other related protocols.

• Familiarity with enterprise-level and/or Department of Defense (DoD) security concepts.

• Proven ability to communicate complex technical information clearly, both in writing and verbally, to technical and non-technical stakeholders.

• Exceptional problem-solving skills and a strong attention to detail; able to work independently and proactively address issues.

• Experience with enterprise network operations environments, supporting uptime, documentation, and consistent improvement.

• High level of self-motivation, organization, and drive.

Qualifications:

• Active TS/SCI clearance (required)

• Ability to work onsite in Washington DC

• DoD 8570 IAT Level II certification (required)

• Cisco Certified Network Professional (CCNP) and/or Cisco Certified Internetwork Expert Routing & Switching (CCIE R&S) preferred