Night Network Administrator for 24/7 Cyber Ops (TS/SCI)

Leidos; Arlington (VA); On-site; USD 73,000 - 133,000; Full time

Job summary

Leidos in Arlington, VA is seeking a Network Administrator for the 3rd shift (10 PM–6 AM) to run daily operations, monitor networks, and respond to incidents on-site. The role requires TS/SCI clearance and DoD 8570 IAT II certification, plus a BS in CS/IT with 4+ years' experience.

You will configure and maintain switches/routers, manage VPNs, VLANs, and routing protocols (BGP/OSPF), while coordinating with vendors and senior engineers to ensure secure, reliable access for users.

Qualifications

• Active TS/SCI clearance required

Responsibilities

• Network monitoring of connections and performance
• Identify risks and issues in the network and mitigate them
• Plan, coordinate and implement network maintenance and security
• Receive and resolve user access requests
• Troubleshoot and resolve network issues or escalate to senior engineers
• Configure, install and maintain network devices and software

Skills

Shift work readiness

Network monitoring

Incident response

Troubleshooting

Routing protocol expertise

Education

Bachelor's degree in CS/IT

Tools

Security clearance TS/SCI

DoD 8570 IAT II (e.g., Security+)

BGP/OSPF

S2S/IPsec VPNs

802.1x configurations

VLAN configurations

Switches and routers

Palo Alto devices (preferred)

AWS cloud services (preferred)

Job description

Leidos in Arlington, VA is seeking a Network Administrator for the 3rd shift (10 PM–6 AM) to run daily operations, monitor networks, and respond to incidents on-site. The role requires TS/SCI clearance and DoD 8570 IAT II certification, plus a BS in CS/IT with 4+ years' experience.

You will configure and maintain switches/routers, manage VPNs, VLANs, and routing protocols (BGP/OSPF), while coordinating with vendors and senior engineers to ensure secure, reliable access for users.