Network Administrator - Evening Shift Security Clearance

Position: Network Administrator - Evening Shift with Security Clearance
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- 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. Apply today to become part of the Leidos team that is assisting CESO as they migrate to a high security cloud environment by leading day to day operations activities and incident response for assigned shift.

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 escalate 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 - $ The Leidos pay range for this job level is a general guideline only and 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.

About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit  . Pay and Benefits Pay and benefits are fundamental to any career decision.

That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at  . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application…