Senior Network Engineer – TS/SCI Clearance | OCONUS Ready

Leidos LLC; Chantilly (VA); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos in Chantilly, VA is seeking an experienced and fully cleared Network Engineer to join our team. The role involves installing, configuring, and troubleshooting network appliances, monitoring LAN and WAN, and ensuring uptime, performance, and security across the network.

The ideal candidate will have an active TS/SCI with Poly, 8+ years of relevant experience (or 6+ years with a Master’s) and willingness to travel up to 50% to CONUS/OCONUS locations.

Qualifications

• Active TS/SCI with Poly is required.
• Strong understanding of OSI or TCP/IP models.
• Hands-on experience with network monitoring, diagnostics, and analytics tools.
• Experience configuring/troubleshooting Cisco devices (routers, switches, firewalls).
• Willingness to travel up to 50% to CONUS/OCONUS locations.

Responsibilities

• Install, configure, and troubleshoot network appliances (routers, switches, and firewalls).
• Monitor LAN & WAN and provide regular reporting.
• Collaborate with Chief Engineer to optimize network and complete tasks.
• Ensure network uptime, performance, and security.
• Document and enforce network standards.
• Manage and maintain IP addressing schema.
• Travel 50% to OCONUS locations as needed.
• Maintain network lab in Chantilly, VA.

Skills

Active TS/SCI with Poly

Cisco routers/switches

Network monitoring

Teamwork & communication

Education

Bachelor's degree

Master's degree

Tools

Solarwinds

Cisco ASA

Juniper SRX

AWS networking

Job description

Leidos in Chantilly, VA is seeking an experienced and fully cleared Network Engineer to join our team. The role involves installing, configuring, and troubleshooting network appliances, monitoring LAN and WAN, and ensuring uptime, performance, and security across the network.

The ideal candidate will have an active TS/SCI with Poly, 8+ years of relevant experience (or 6+ years with a Master’s) and willingness to travel up to 50% to CONUS/OCONUS locations.