Network Administrator - Evening Shift

Leidos; Virginia (MN); On-site; USD 73,000 - 133,000; Full time

Job summary

Leidos is seeking a Network Administrator for the 2nd shift (2 PM–10 PM) in Arlington, VA. This on-site role supports a modern, secure web services operation within CESO, requiring a TS/SCI clearance and DoD 8570 IAT II certification.

You will monitor networks, configure devices, and coordinate maintenance in a fast-paced environment. The ideal candidate has a BS in CS/IT with 4+ years of experience, hands-on routing (BGP/OSPF), VLAN work, and experience with IPsec tunnels.

Qualifications

• Active TS/SCI clearance.
• DoD 8570 IAT II certification required (e.g., Security+ CE).
• BS in Computer Science or IT with 4+ years of experience.
• Willing to work 24x7 shifts including nights, weekends, and holidays.
• Experience monitoring network performance, security, and availability.
• Experience configuring switches and routers.

Responsibilities

• Monitor network connections and performance to ensure service availability.
• Identify risks and mitigate network issues.
• Plan, coordinate, and implement network maintenance and security upgrades.
• Receive and review user requests for access to services.
• Troubleshoot and resolve network issues; escalate complex problems to senior engineers.
• Configure, install, and maintain network devices and software.

Skills

Network monitoring

Network security

Routing protocols (BGP, OSPF)

S2S/IPsec tunnels

VLAN configurations

Troubleshooting

Education

BS in Computer Science or IT

Tools

Palo Alto devices

AWS Cloud experience

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

Job description

We are currently seeking a Network Administrator 2nd shift (2PM to 10PM) to join the Compartmented Enterprise Services Office (CESO) effort. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population.

This position is based in Arlington, VA and is 100% on-site. This position is scheduled to support evening shift (AKA 2nd shift), 2pm-10pm.

Primary Responsibilities:

• Network monitoring of connections and performance to ensure network availability for user access and services.
• Proactively identify risks and issues in the network and complete actions to mitigate them.
• Able to plan, coordinate and implement network maintenance, installation, and security to protect and improve network infrastructure.
• Receive and review user requests to establish or resolve issues with user access to services.
• Troubleshoot and resolve network issues and elevate complex problems to senior engineers or vendors
• Configure, install, and maintain network devices and software

Basic Qualifications:

• Currently possess an active TS/SCI security clearance
• Currently possess DoD 8570 certification at least IAT level II, e.g Security+ce.
• BS in computer science or IT and 4+ 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 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

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

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 — and moving faster than anyone else dares.

Original Posting:

September 1, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $73,450.00 - $132,775.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.