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Job #: R-00024114
Location: Arlington, VA
Category: Systems Administration
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 is currently seeking a Sr. Systems Administrator/Team Lead to join the JSP Platform Services Group located in the NCR- Pentagon, or the Mark Center in Arlington, VA.

•Act as the lead system administrator working with and directing team members to ensure all requirements are delivered in an efficient, highly productive manner
•Manage and maintain currently supported and subsequent Microsoft (MS) Windows Server, and Red Hat Linux Operating Systems (OS) on physical and virtual operating environments.
•Provide technical support for disaster recovery efforts (actual or simulated).
•Perform hardware and software technology refreshes, ensuring milestone compliance.
•Work with and manage Incident Management and Change Request tickets within help desk ticketing system.
•Apply best practices where possible or engineer new best practices using innovative approaches as appropriate
•Analyze new and existing software; install, maintain, and customize vendor software based on customer requirements
•Provide root-cause analysis for recurring or critical problems
•Perform all security/compliance functions for Windows server environments, including (Assured Compliance Acceptance Center (ACAS), SPLUNK, Host Based Security System (HBSS), etc.) to monitor and mitigate vulnerabilities and ensure compliance within specified timelines

•5 years of VMware and/or Windows systems administration hands-on experience
•Hands-on experience installing vCenter Server Appliance including installation, configuration and updates
•Demonstrated knowledge of performance monitoring and tuning tools, problem determination and recovery, and security
•Hands-on experience with STIG compliance for VMWare and Windows systems 
•Hands-on experience with high availability architectures and concepts 
•DoD 8140 IAT Level II Computing Environment (CE) Certification is required prior to support on contract
•IAT Level II Certification (Security+ CE, CCNA Security, CySA+, GICSP, GSEC, SSCP)
•Active DoD Top Secret Clearance 

•Familiarity with IBM, Dell and HP server technology
•Hands-on experience with VMware performance tuning and capacity planning
•Hands-on experience with Virtual IOS concepts and applications
•Hands-on experience with enterprise backup/restore architectures
•Hands-on experience with Windows Enterprise administration
•Desired Computing Environment certification: Windows Server 2012/2016, Red Hat Linux, MSCA, MCP, VCP5, etc.

External Referral Bonus:


Potential for Telework:


Clearance Level Required:

Top Secret



Scheduled Weekly Hours:




Requisition Category:


Job Family:

Systems Administration


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

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 here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to

Commitment to Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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