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From the employer's careers site First seen 29 Oct 2026

Network Administrator

Leidos San Antonio, TX On-site mid full-time

Salary

$59,150 - $106,925 per year

Apply on Leidos

Description

We are currently seeking a Network Administrator for the 3rd shift (9PM to 5AM) to join the Compartmented Enterprise Services Office (CESO) effort.

This role involves leading day-to-day operations activities and incident response for the assigned shift as part of a state-of-the-art, highly automated platform supporting a rapidly expanding customer population.

Primary Responsibilities:

  • Monitor network connections and performance to ensure network availability for user access and services.
  • Proactively identify and mitigate risks and issues in the network.
  • Plan, coordinate, and implement network maintenance, installation, and security measures.
  • Review user requests to establish or resolve issues with user access to services.
  • Troubleshoot and resolve network issues, escalating complex problems as needed.
  • Configure, install, and maintain network devices and software.

Basic Qualifications:

  • Active TS/SCI security clearance with the ability to obtain CI poly if required.
  • DoD 8570 certification at least IAT level II (e.g., Security+).
  • BS in computer science or IT with 2+ years of experience (additional experience may be considered in lieu of degree).
  • Comfortable working 24×7 shifts, including nights, weekends, and holidays.
  • Experience monitoring network performance, security, and availability.
  • Experience configuring switches and routers.
  • Experience working with Dynamic routing protocols (BGP, OSPF).
  • Ability to change and configure 802.1x.
  • Prior experience troubleshooting S2S/IPSEC tunnels connection.
  • Experience conducting VLAN configurations.

Preferred Qualifications:

  • Prior experience with DISA and DISA’s support to mission partners.
  • TS/SCI w/CI Poly preferred.
  • AWS Cloud service experience.
  • Experience with Palo Alto devices.

The pay range for this role is $59,150.00 - $106,925.00.

Skills

Required

  • network monitoring
  • network maintenance
  • security clearance
  • DoD 8570 certification
  • Dynamic routing protocols
  • VLAN configurations
  • S2S/IPSEC tunnels
  • 802.1x configuration

Nice to have

  • DISA experience
  • AWS Cloud service experience
  • Palo Alto devices

Ready to apply?

You apply with the employer directly. Their original posting is here: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/San-Antonio-TX/Network-Administrator---Night-Shift_R-00193747

Apply on Leidos