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Job #: R-00022357
Location: Chantilly, VA
Category: Systems Administration
Schedule (FT/PT): Full Time
Travel Required: No
Shift: Day
Potential for Telework: No
Clearance Required: Top Secret/SCI with Polygraph
Referral Eligibility: Eligible
Group: Intelligence

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Job Description:

A Lead Systems Administrator is needed to lead platform operations and maintenance (O&M) support for Windows Active Directory environments and VMware environment, as well as the Virtual Desktop Infrastructure (VDI) used to deliver desktop environments to the user base. They will need to coordinate efforts with supporting teams and serve as the point of contact for customer communications and scheduling, ensuring all server infrastructure O&M teams function in a consisted, effective manner. Experience in Linux systems administration is desired but not required.

Typical responsibilities will include

  • O&M of multiple enterprise Windows Active Directory environments and support of the Virtual Desktop Infrastructure (VDI) used to deliver desktop environments to the user base
    • Troubleshoot server issues, manage print servers, and perform escalation support and performance monitoring
    • Provide dedicated support for troubleshooting of platform issues and user questions; work with users to resolve tickets
    • Schedule, plan, and implement system upgrades for multiple environments
    • Patch and maintain infrastructure systems to be compliant with security scans
    • Work with engineering to improve the supportability of the domains and maintain the application delivery systems
    • Configure and maintain the domain certificate infrastructure, print services, and group policies
    • Provide direct support to other Server Infrastructure teams and cross train to alleviate single points of failure and meet ongoing responsibilities
    • Investigate, evaluate, and recommend other viable hardware and software solutions as appropriate; identify efficiency opportunities
    • Interpret and implement system standards, process, and security specifications to maintain organizational IT standards
    • Provide formal documentation and status reports to fulfill organizational compliance requirements and to serve as reference material for other teams

Required Skills

  • Degree in Computer Engineering, Computer Science, or related field and 12+ years of experience in system administration; additional experience in lieu of degree
  • 8+ years of Windows Systems Administration experience
  • Hands-on experience with Windows 2012R2
  • Knowledge of and experience with application delivery solutions
  • Experience supporting a medium sized (~500) user environment
  • Possess strong troubleshooting, problem solving, and verbal/written communication skills
  • Must have an active TS/SCI with a polygraph for this position.

Desired Skills

  • Experience with VMware Horizon View. Experience with LANDesk. Experience with user and server certificates. Experience maintaining system security plans.  Ability to lead technical teams to success

External Referral Bonus:


Potential for Telework:


Clearance Level Required:

Top Secret/SCI with Polygraph



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

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