Lead Network Engineer

Xtreme Solutions Corporate; Washington (District of Columbia); Presencial; USD 120.000 - 170.000; Jornada completa

Descripción de la vacante

Xtreme Solutions Corporate in Washington, D.C. is seeking a Senior Network Engineer to serve as the technical lead for the CBO's enterprise Cisco infrastructure.

The role drives network architecture, modernization efforts, Zero Trust initiatives, and cybersecurity integration across highly secure environments. The successful candidate will mentor engineers, collaborate with government stakeholders, and guide network design decisions, ensuring resilient, policy-compliant network operations and

Formación

• 10+ years of enterprise network engineering experience.
• 5+ years supporting Cisco enterprise environments in a senior engineering or architecture role.
• Expert in enterprise network design and infrastructure modernization.
• Experience with federal/regulatory environments.
• Strong technical writing for government-ready deliverables.

Responsabilidades

• Design, implement, and optimize Cisco enterprise networking environments.
• Lead architecture for core, distribution, access, and edge networks.
• Align network security with NIST SP 800-53 and 800-207.
• Implement segmentation, micro-segmentation, identity-aware access controls, least privilege.
• Lead Cisco ISE / NAC deployments, review firewall policies, integrate with SIEM/NDR.
• Develop architecture diagrams, implementation plans, validation procedures, rollback plans.
• Serve as senior advisor to CBO stakeholders and mentor junior engineers.

Conocimientos

Enterprise network design

Infrastructure modernization

Segmentation

Perimeter security

Firewall optimization

Cisco ISE / 802.1X

NAC

SIEM / NDR integration

Vulnerability management

Incident response

Technical writing

Mentoring

Herramientas

Cisco ISE

802.1X

NAC

SIEM platforms

NDR platforms

Descripción del empleo

Position Overview

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.

Preferred Certifications

• Highly desired certifications include: CCNP Enterprise, CCNP Security, CCIE Enterprise Infrastructure, CCIE Security
• Additional preferred certifications: CISSP, CISMSecurity+Cisco CyberOps, Fortinet NSEP, Palo Alto PCNSE, Juniper Professional Certifications, AWS Networking or Security, Microsoft Azure Networking, ITIL Foundation, RMF / NIST cybersecurity experience