Senior CAN/LAN Network Engineer (Tier 3)

CACI; Sterling (VA); On-site; USD 121,000 - 266,000; Full time

Job summary

CACI in Sterling, VA is seeking a CAN/LAN Network Tier 3 to support design, implementation, troubleshooting and maintenance of IT networks across day-to-day operations and projects.

This role requires TS/SCI with Poly, 10+ years of experience, DoD 8140.01/8570.01-M, CCNP/CCIE preferred, and travel up to 10% to CONUS sites. You will mentor junior engineers and ensure network performance and security.

Qualifications

• Bachelor's degree required; 10+ years of related work experience.
• TS/SCI with Poly required.
• DoD 8140.01 and 8570.01-M, IAT II required.
• Certifications such as CCNP/CCIE highly preferred.
• Experience with large‑scale enterprise/global networks.

Responsibilities

• Design, configure, and optimize CAN/LAN network architectures for high availability.
• Provide Tier 3 support for CAN/LAN infrastructure and troubleshoot complex issues.
• Respond to escalated tickets with timely, transparent communication.
• Analyze network performance and mitigate latency and bandwidth bottlenecks.
• Maintain network documentation and mentor junior engineers.
• Support deployable networks and travel to CONUS sites as needed.

Skills

Routing & Switching

TCP/IP

CCNP/CCIE or equivalent

TS/SCI with Poly

Network Troubleshooting

Education

Bachelor's degree in Computer Science, Information Technology, or equivalent

Tools

Networking Hardware (Routers, Switches)

Job description

CACI in Sterling, VA is seeking a CAN/LAN Network Tier 3 to support design, implementation, troubleshooting and maintenance of IT networks across day-to-day operations and projects.

This role requires TS/SCI with Poly, 10+ years of experience, DoD 8140.01/8570.01-M, CCNP/CCIE preferred, and travel up to 10% to CONUS sites. You will mentor junior engineers and ensure network performance and security.