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From the employer's careers site First seen 25 Oct 2026

Network Administrator

Leidos Arlington, VA On-site mid full-time

Salary

$73,450 - $132,775 per year

Apply on Leidos

Description

We are seeking a Network Administrator to join the Compartmented Enterprise Services Office (CESO) effort at Leidos. The successful candidate will be part of a team establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform.

The Network Administrator will work on the 1st shift (6AM to 2PM) and will be responsible for:

  • Monitoring network connections and performance to ensure network availability for user access and services
  • Proactively identifying risks and issues in the network and completing actions to mitigate them
  • Planning, coordinating, and implementing network maintenance, installation, and security to protect and improve network infrastructure
  • Receiving and reviewing user requests to establish or resolve issues with user access to services
  • Troubleshooting and resolving network issues and escalating complex problems to senior engineers or vendors
  • Configuring, installing, and maintaining network devices and software

The ideal candidate will have:

  • An active TS/SCI security clearance
  • DoD 8570 certification at least IAT level II
  • A BS in computer science or IT and 4+ years of experience
  • Experience monitoring network performance, security, and availability
  • Experience in 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

We offer a salary range of $73,450.00 - $132,775.00.

At Leidos, we outthink, outbuild, and outpace the status quo.

Skills

Required

  • network monitoring
  • risk identification
  • network maintenance
  • troubleshooting
  • network device configuration
  • DoD 8570 certification
  • TS/SCI security clearance
  • Dynamic routing protocols
  • VLAN configurations
  • S2S/IPSEC tunnels connection

Nice to have

  • DISA experience
  • AWS Cloud service experience
  • Palo Alto devices
  • TS/SCI w/CI Poly

Ready to apply?

You apply with the employer directly. Their original posting is here: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Arlington-VA/Network-Administrator---Morning-Shift_R-00194158-1

Apply on Leidos