Xtreme Solutions is seeking a Senior Network Engineer to serve as the technical lead supporting the Congressional Budget Office's enterprise Cisco infrastructure.
This role provides leadership for network architecture, modernization initiatives, Zero Trust implementation, cybersecurity integration, and infrastructure optimization. The successful candidate will collaborate with government stakeholders while mentoring engineering staff and leading network design decisions across highly secure enterprise environments.
What You'll Do
Design, implement, and optimize Cisco enterprise networking environments.
Lead architecture for:
Core networking
Distribution
Access
Edge infrastructure
Design network security aligned with:
NIST SP 800-53
NIST SP 800-207 (Zero Trust)
Implement:
Network segmentation
Micro-segmentation
Identity-aware access controls
Least privilege architecture
Lead Cisco ISE / 802.1X / Network Access Control (NAC) implementations.
Review and optimize firewall policies and perimeter security.
Integrate enterprise networking with SIEM and Network Detection & Response (NDR) platforms.
Lead vulnerability remediation planning and device lifecycle management.
Coordinate firmware management and infrastructure modernization.
Support cybersecurity assessments, audits, compliance reviews, and incident response.
Develop:
Architecture diagrams
Implementation plans
Security impact analyses
Validation procedures
Rollback plans
SOPs
Root Cause Analyses
Audit evidence packages
Serve as the senior technical advisor to CBO stakeholders while mentoring junior engineers.
Requirements:
Required Qualifications
10+ years of enterprise network engineering experience
5+ years supporting Cisco enterprise environments in a senior engineering or architecture role
Demonstrated expertise in:
Enterprise network design
Infrastructure modernization
Segmentation
Perimeter security
Experience with:
Firewall optimization
Cisco ISE / 802.1X
Network Access Control (NAC)
SIEM and NDR integration
Vulnerability management
Incident response
Experience supporting highly regulated environments such as:
Federal Government
Legislative Branch
Defense
Financial Services
Healthcare
Exceptional technical writing skills with experience producing engineering documentation and government-ready deliverables.