Sr. Systems Administrator

Leidos; Odenton (MD); On-site; USD 92,000 - 167,000; Full time

Job summary

Leidos is seeking a Journeyman System Administrator for a DISA contract, based primarily on-site at Ft Meade, MD. The role focuses on supporting JWICS environments with mid-level VDI expertise and active security clearances.

The candidate will work with Tier III support, lead enclave standups, and ensure robust documentation and security practices, while coordinating with development partners to meet evolving needs.

Qualifications

• Bachelor's degree plus 8+ years in Windows/Linux server environments
• Experience with VMware and VDI environments
• Active Top Secret clearance with ability to obtain Top Secret/SCI
• DoD 8570 certification at least IAT level II (e.g., Security+ CE)

Responsibilities

• Provide mid-level skillset for Virtual Desktop Infrastructure (VDI) environment.
• Support ticket escalation on major outages.
• Work in rapid-paced environments as needed.
• Collaborate with development partners to align on emerging needs and tech advances.
• Lead onboarding and standup of new enclaves/environments.
• Interact with Tier III support and evaluate vendor products.
• Develop and monitor policies for computing resource allocation.
• Create, maintain, and implement detailed documentation and SOPs.
• Apply security settings and other best practices.
• Coach and review work of junior staff.

Skills

Windows/Linux/Solaris Server

VMware/VDI

Top Secret clearance

DoD 8570 IAT II

ServiceNow

Education

Bachelor's degree in related field

Tools

VMware

VDI

Job description

Description

The Digital group at Leidos has a career opening for a Journeyman 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 mid-level skillset for Virtual Desktop Infrastructure (VDI) 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 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 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 6, 2026

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline onlyand 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.

About 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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

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 at www.leidos.com/careers/pay-benefits .

Commitment to Non-Discrimination

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.

REQUNUMBER: R-00186719

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.