Sr. System Administrator - VDI

The Defense group at Leidos has a career opening for a System Administrator on a DISA contract. This role is primarily on the customer site at Ft Meade, MD. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES: Provide Senior level expertise for Virtual Desktop Infrastructure (VDI) environment. Lead as the Subject Matter Expert on all VDI related issues/needs. 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 III support and evaluates vendor products. 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 Provides coaching and reviewing the work of lower-level technical staff. BASIC QUALIFICATIONS: Bachelor's degree and/or 8+ years of overall related experience with a Windows/Linux server environment. Additional 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 Currently possess an active Top Secret security clearance with the ability to obtain a Top Secret/SCI is required for this position. Currently possess DoD 8570 certification at least IAT level II, e.g. Security+ce PREFERRED QUALIFICATIONS: 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 ServiceNow ITIL v3 Foundation certified 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: July 9, 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 $92,300.00 - $166,850.00 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. 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 $17.2 billion for the fiscal year ended January 2, 2026. 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 Leidos.com 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 View email address on click.appcast.io. Commitment and 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.