Night-Shift Network Administrator | TS/SCI Clearance

Leidos Inc; San Antonio (TX); On-site; USD 59,000 - 107,000; Full time

Job summary

Leidos Inc. seeks a Network Administrator for a 3rd shift (9 PM–5 AM) to join the CESO. The role is 100% on-site in San Antonio, TX, supporting a modern secure web service with automated platforms and a rapidly expanding customer base.

The candidate will monitor network performance, plan maintenance, and configure devices while ensuring security and high availability across the enterprise. A TS/SCI clearance and DoD 8570 IAT II certification are required.

Qualifications

• Active TS/SCI clearance with ability to obtain CI poly if required.
• DoD 8570 certification at least IAT level II (e.g., Security+ CE).
• BS in computer science or IT with 2+ years of experience.
• Willing to work 24/7 shifts including nights, weekends, and holidays.
• Experience monitoring network performance, security, and availability.
• Experience configuring switches and routers.
• Experience with dynamic routing protocols (BGP, OSPF).
• Experience configuring 802.1x; S2S/IPSec tunnels; VLANs.

Responsibilities

• Monitor network connections and performance to ensure availability.
• Identify risks and mitigate issues in the network.
• Plan, coordinate, implement network maintenance, installation, and security.
• Receive and review user requests for access to services.
• Troubleshoot network issues and escalate to senior engineers or vendors.
• Configure, install, and maintain network devices and software.

Skills

Network monitoring

Network performance

Switch/Router config

Dynamic routing (BGP/OSPF)

802.1x configuration

VPN/IPSec troubleshooting

Education

BS in Computer Science or IT

Tools

Palo Alto devices

AWS Cloud service

Job description

Leidos Inc. seeks a Network Administrator for a 3rd shift (9 PM–5 AM) to join the CESO. The role is 100% on-site in San Antonio, TX, supporting a modern secure web service with automated platforms and a rapidly expanding customer base.

The candidate will monitor network performance, plan maintenance, and configure devices while ensuring security and high availability across the enterprise. A TS/SCI clearance and DoD 8570 IAT II certification are required.