Senior Network Engineer - CBO

INNOVIM•,

22d•$115,000 - $142,000•Hybrid

About The Position

The Senior Network Engineer provides advanced engineering, operational, and advisory leadership for a U.S. legislative branch agency's Cisco-based enterprise network. Serving as a senior technical advisor, the role leads the design and implementation of secure network architectures, drives Zero Trust adoption, and leads security assessments and audits — strengthening the security, reliability, and resilience of the network in alignment with NIST SP 800-53, NIST SP 800-207, and Cisco best practices.

Requirements

Bachelor's degree in Computer Science, Information Technology, or Engineering (Master's preferred; equivalent experience considered).
Minimum 8–10 years of enterprise network engineering experience, including a senior or lead role.
Deep expertise in Cisco routing, switching, and network security; Zero Trust (NIST SP 800-207); NIST SP 800-53; and 802.1X/NAC (e.g., Cisco ISE).
Demonstrated ability to advise senior stakeholders and lead security assessments and audits.
Active Cisco CCNP (CCIE a plus) or equivalent demonstrable expertise; CompTIA Security+ or higher.
S. citizenship or permanent residence status; ability to obtain a Public Trust (Tier 2) determination.

Nice To Haves

CCIE Enterprise Infrastructure or CCIE Security.
Hands-on experience with Cisco ISE, TrustSec, and MACsec; Catalyst 9300 StackWise architectures.
Experience with next-generation firewalls (Check Point or Palo Alto), NDR, and SIEM (Microsoft Sentinel).
Experience leading network modernization and Zero Trust implementations in federal environments.
Prior experience supporting Congressional / legislative branch agencies.

Responsibilities

Design, implement, operate, and optimize secure Cisco network architectures across core, distribution, access, and edge layers for high availability, scalability, and resilience.
Serve as senior technical advisor to stakeholders, collaborating with cybersecurity, cloud, and operations teams to resolve complex network issues and improve architecture.
Engineer and enforce Zero Trust principles per NIST SP 800-207 — network segmentation, micro-segmentation, least-privilege and identity-aware access, and 802.1X integration with enterprise identity services.
Lead or participate in security assessments, audits, and compliance reviews; provide evidence, documentation, and remediation support.
Implement and manage network monitoring, logging, and alerting, integrating with enterprise SIEM and Network Detection and Response (NDR) tools.
Establish and maintain a structured vulnerability management and device lifecycle program (patching, firmware, remediation).
Harden network devices to secure configuration baselines; secure public-facing and perimeter assets (firewall optimization, restricted access, MFA).
Continuously evaluate and enhance network security posture through emerging best practices, threat intelligence, and Cisco security innovations.
Ensure all network changes follow formal change control with security impact analysis; perform RCA for incidents.
Develop and maintain Network SOPs, comprehensive network diagrams, and configuration baselines; administer and troubleshoot enterprise DNS.