Sr. Windows Systems Administrator

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Job Description


Leidos Defense Group is seeking a Sr. Windows Systems Administrator in support of the Defense Information Systems Agency (DISA) located at Ft Meade, MD.  DISA acts as the provider of GIG/Defense Information System Network (DISN) services to its customers, the department of Defense (DoD), and national security organizations.  The candidate will manage a team of senior technical experts managing Tier III support for a major DISA program.


  • Directly report to Tier III Program Management on all technical and personnel concerns

  • Fill in for Program Manager as needed

  • Supervise Leidos personnel and perform required supervisory actions as directed by Leidos policy

  • Provide input on budget and resource assets.

  • Assisting in hiring processes for multiple labor categories as required

  • Oversee 10-15 senior technical professionals and engineers managing a robust lab used to test, implement, research, and develop solutions that will be provided to remote Tier II partners for implementation in the production environment.

  • Provide effective technical leadership for a team managing and sustaining a mostly virtual lab environment.

  • Provide support for ticket escalation on major outages.

  • Be able to work in a rapid paced environment at times.

  • Provide strategic leadership and input with development partners to ensure customers understand emerging needs and technological advancements.

  • Lead the onboarding and standup of new enclaves and environments as needed.

  • Interacts with Tier II support and evaluates vendor products.

  • Makes recommendations to purchase hardware and software.

  • Develops and monitors policies and standards for allocation related to the use of computing resources.

  • Creates, maintains, and implements detailed documentation and maintains standard operating procedures.

  • Application of security settings and other commercial best practices such as DISA STIGS.

  • Provides coaching and reviewing the work of lower-level technical staff.

  • Team will support M-F business hours schedule, also responsible for occasional on-call, extended hour, and weekend support as required by mission emergencies.


  • Bachelor's degree and/or 15+ years of overall related experience with a Windows/Linux server environment. Specific experience, education and training may be considered in lieu of degree.

  • Windows, Linux, and Solaris Server experience with an expertise in at least one.

  • Extensive experience working with virtual environments using VMware and VDI practices

  • Extensive understanding of DoD security requirement and application of security settings and other commercial best practices such as DISA STIGS.

  • Understand networking operations supporting Lab environments

  • Currently possess an active Secret security clearance with the ability to obtain a Top Secret is required for this position.

  • Currently possess DoD 8570 certification at least IAT level II, e.g. Security+ce.


  • VMware Certified Professional (VCP) or other VCP End-User Computing Track course/certifications

  • Integration of cyber security tools and systems with network performance, trouble ticketing, and security subsystems highly desired.  

  • Candidates with a thorough knowledge of networking principles to included TCP/IP a plus. 

  • Experience with a ticketing system such as BMC Remedy, ServiceNow, ITSM+, etc…

  • ITIL v3 Foundation certified


Pay Range:

Pay Range $105,300.00 – $162,000.00 – $218,700.00

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.

Job Summary

Columbia, MD, United States Location
Full Time Job Type

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