Senior Network Engineer — TS/SCI Eligible, On-Site DC

RCG

Vermont

On-site

USD 140,000 - 150,000

Full time

2 days ago

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Benefits offered by this job

Health Care Plan

Retirement Plan

Life Insurance

Paid Time Off

Family Leave

Short/Long Disability

Training & Development

Wellness Resources

Job summary

RCG is seeking a Senior Network Engineer to support enterprise network operations, architecture, modernization, and troubleshooting for a large federal agency in Washington, DC. This on-site role requires ownership of complex network issues, mentoring junior engineers, and technical leadership across routing, switching, WAN, firewall, and secure transport.

The ideal candidate has 8+ years of hands-on experience in enterprise or federal environments and holds CCNP or equivalent certifications.

Qualifications

Bachelor's degree in Computer Science, Information Systems, Engineering, or related technical discipline.
8+ years hands-on network engineering experience in enterprise, federal, DoD, or similarly complex environments.
Active CCNP Enterprise, CCNP Security, or equivalent advanced networking certification.
Strong experience with Cisco routing and switching, enterprise LAN/WAN environments, routing protocols, high-availability technologies, and multi-site network troubleshooting.
Experience troubleshooting routed, switched, firewalled, and encrypted transport environments.
Experience supporting enterprise voice, video, and collaboration services.
Experience with change control, maintenance planning, configuration review, rollback procedures, and post-change validation.
Experience creating technical documentation, network diagrams, implementation plans, and operational procedures.
Experience supporting Cisco, Dell, Palo Alto, Juniper, or other enterprise networking platforms.
Strong analytical, troubleshooting, communication, and documentation skills.
Demonstrated ability to work independently, exercise sound judgment, and mentor less-experienced engineers.

Responsibilities

Provide senior technical leadership for enterprise network operations, including routing, switching, firewalls, WAN transport, secure communications, and supporting infrastructure.
Troubleshoot complex network issues across Layer 1 through Layer 7, including routing, switching, firewall policy, encrypted transport, and application/service connectivity.
Design, review, implement, and validate network changes involving routing, switching, firewall policies, secure transport, and modernization initiatives.
Support VOSIP, VTC, CUCM, and collaboration services, including network path validation, QoS considerations, multicast behavior, and secure communications requirements.
Participate in network architecture reviews, modernization efforts, and major infrastructure upgrades.
Lead maintenance-window activities, including implementation planning, rollback procedures, validation testing, and post-change reviews.
Develop and maintain network diagrams, as-built documentation, implementation plans, validation procedures, and operational runbooks.
Monitor network performance and troubleshoot issues using enterprise monitoring and diagnostic tools.
Collaborate with government stakeholders, security teams, ISSOs, vendors, and technical SMEs to support operations, compliance, and modernization efforts.
Mentor junior and mid-level engineers on troubleshooting, packet flow analysis, change management, and operational best practices.