Network Engineer Washington, DC

About the Role

Connexus Hub is hiring a Network Engineer to support the Congressional Budget Office (CBO) under the SENTRY IT Support BPA. The engineer provides engineering and operational support for CBO’s Cisco-based enterprise network, enforcing Zero Trust principles, segmentation, and least-privilege access in accordance with NIST SP 800-53 and NIST SP 800-207.

Key Responsibilities

• Operate, optimize, and secure CBO’s Cisco core, distribution, access, and edge environments.


• Implement and maintain network security controls aligned with NIST SP 800-53 (AC, CM, SC, AU) and Zero Trust (NIST SP 800-207).


• Configure and manage 802.1X port-based network access control, routing, switching, VLANs, DNS, DHCP, and VPNs.


• Forward device logs to the enterprise SIEM; conduct continuous monitoring and vulnerability assessments (NIST RMF).


• Harden devices to Cisco secure baselines; perform firmware/patch management and root-cause analysis.


• Maintain network diagrams, configuration baselines, and SOPs; support 24/7 monitoring.

Minimum Qualifications

• Hands-on enterprise Cisco network engineering experience (routing, switching, firewalls, 802.1X).


• Current relevant certification(s) such as CCNA or CCNP, maintained for at least 5 years.


• U.S. person able to obtain and maintain a Public Trust (Tier 2) clearance (background check via Capitol Police).

Location

• Washington, DC (hybrid). On-site support at the CBO Ford House Office Building and associated data center facilities.