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Job #: R-00025070
Location: Fort Belvoir, VA
Category: Network Administration and Ops
Schedule (FT/PT): Full Time
Travel Required: No
Shift: Day
Potential for Telework: No
Clearance Required: Top Secret
Referral Eligibility: Eligible
Group: Defense

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Job Description:

The Defense group at Leidos has an immediate need for a Network Administrator in Ft. Belvoir, VA.

This position is in a fast paced, research and development based, daily operations and maintenance environment. The position will have a 
heavy focus on operational support of the network along with systems administration supporting the R&D community.  Candidate will support Cisco and Netgear network gear, Firewall and VPN devices.  Candidate will work with the engineering team to install, configure and maintain server operating systems, including hardening based on Department of Defense/DISA guidelines (STIGs).  Ideal candidate will also be able to mentor junior employees in various areas relating to the position.

Candidate will be responsible for maintaining and upgrading Cisco and Netgear devices to include installing the IOS operating system, hardening the systems following Department of Defense DISA guidelines (STIGs), maintaining configurations, architecting and implementing changes to the network infrastructure.  Using network device experience, the candidate will maintain the operational Palo Alto Firewall and Pulse Secure VPN appliances.  Candidate should have experience with various network tools like ITPIE, RADIUS and networks like DREN.  The candidate will provide systems administration support for servers and workstations to include installation, configuration of systems, maintain systems and integrate systems into the domain.  Candidate should be familiar with CITRIX VDI technology, VMWare and ELK log aggregation.  Candidate will assist in the design, methods and processes to maintain the network and systems infrastructure. The candidate will document all aspects of their work to include Work Instructions, Standard Operating Procedures, As Builts, training instructions, diagrams, and other documentation needed to meet contract requirements.  Candidate is responsible for tracking work performed in the Jira database, as well as be responsible for work tickets assigned. The qualified applicant will be part of a team that is involved in the daily operations of the R&D operational infrastructure.

•Requires BS degree and 8 – 12 years of prior relevant experience or Masters with 6 – 10 years of prior relevant experience. May possess a Doctorate in technical domain; additional experience in lieu of degree.
•Must be experience working with various network technologies (Cisco, Netgear, Palo Alto, Pulse Secure, IDS, etc.) 
•Must be experienced with virtualization technologies like VMWare, along with experience working in Windows, Red Hat Linux and ESXi
•Candidate should have hands on experience in creating, maintaining and troubleshooting a network and systems operational environment and be able to understand the impact of outages to customers. Candidate will be expected to deal with customer issues ranging from account requests and problems to troubleshooting connectivity to deploying new environments.
•Currently has a DoD Top Secret or higher clearance Security+ with Continuing Education (CE) required U.S. citizenship
•Experience using a trouble ticketing system: assigning, completing, filling out and tracking tickets
•Experience leading a team a plus
•Experience assisting junior team members with various technical challenges

External Referral Bonus:


Potential for Telework:


Clearance Level Required:

Top Secret



Scheduled Weekly Hours:




Requisition Category:


Job Family:

Network Administration and Ops


Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.19 billion for the fiscal year ended December 28, 2018. For more information, visit

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