Mission-Critical Systems Administrator — TS/SCI, 24/7 Ops

Leidos; Florida; On-site; USD 59,000 - 107,000; Full time

Job summary

Leidos seeks a Systems Administrator for a role at Hurlburt Field, FL, requiring TS/SCI clearance and a solid background in Windows and Linux server environments. The job involves maintaining servers, storage, and applications in a mission-critical, classified setting.

You will troubleshoot performance issues, manage end-user devices, and support VMware-based and other advanced systems across our enterprise. Expect shift work and travel as needed.

Qualifications

• Bachelor's degree in a related field and 2-4 years of experience (or equivalent)
• Current CompTIA Security+ certification (DoD 8570.01)
• Active TS/SCI clearance
• Hands-on with Windows and Linux servers and Microsoft products
• Ability to lift up to 60 lbs.

Responsibilities

• Maintain and support servers, workstations, storage devices, and applications like CAVOK, Clear-Com, Minotaur, VMware, ChatSurfer, and more.
• Troubleshoot performance issues and manage end-user devices, servers, and databases.
• Work with Microsoft and RHEL servers, VMware, SIPRNet, and other classified networks.
• Resolve connectivity/outage issues and install new capabilities in operational environments.
• Apply logistics processes to ensure accountability for IT equipment.

Skills

CompTIA Security+

TS/SCI clearance

Windows 10/11

Windows Server 2019/2022

RHEL 8/9

Active Directory

Lifting 60 lbs

Education

Bachelor's degree in a related field

2-4 years of experience or equivalent

Tools

CAVOK

Clear-Com

Minotaur

VMware

ChatSurfer

Job description

Description

Ignite Your Potential with Leidos! Are you ready to tackle some of the world's most formidable technical challenges? At Leidos, we believe in unleashing your talents to help you grow and advance rapidly in your career.

We have an exceptional opportunity for a Systems Administrator to join our dynamic team at Hurlburt Field, FL. If you're passionate about innovation, thrive in fast-paced environments, and possess a current TS/SCI security clearance, we want to hear from you!

Why Join Leidos?

As a Systems Administrator at Leidos, you'll immerse yourself in a mission-critical, classified environment where your expertise will contribute directly to solving unique, evolving challenges. Our solutions are one-of-a-kind, custom-built, and continuously adapted to meet dynamic mission needs. If you love variety and technical challenges, this role is for you.

About the Role

• Maintain and support servers, workstations, storage devices, and applications such as CAVOK, Clear-Com, Minotaur, VMWare, ChatSurfer, and more.
• Troubleshoot application performance issues and manage end-user devices, servers, and databases.
• Work with cutting-edge technology, including Microsoft and RHEL servers, VMware, SIPRNet, and other classified networks.
• Solve connectivity and outage issues under time constraints while installing and configuring new capabilities to operational environments.
• Apply logistics processes to ensure accountability for all IT equipment.

This fast-paced role requires a self-starter who can work independently or as part of a team, with opportunities to enhance systems in a 24/7 operation that includes shift work and travel.

Basic Qualifications:

• Current CompTIA Security+ certification (DoD 8570.01)
• Active TS/SCI clearance
• Bachelor's degree in a related field and 2-4 years of experience (or equivalent experience and certifications in lieu of a degree)
• Hands-on expertise in Windows 10/11, Windows Server 2019/2022, RHEL 8.0/9.0, and Microsoft products like Active Directory Suite
• Physical ability to lift 60 lbs.

Preferred Qualifications:

• Military C5ISR experience or operational environment expertise
• Certifications like RHCSA, VCP-DCV, ITIL v4, or Windows Server Hybrid Administrator
• Experience with storage solutions, audio intercom systems, and production virtual environments

Why Leidos is Right for You

At Leidos, we celebrate innovation, collaboration, and relentless pursuit of excellence. Join us and make a real impact while advancing your career in an environment where your contributions are valued and celebrated.

Take the next step—apply today and unleash your potential with Leidos!

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 20, 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 $59,150.00 - $106,925.00

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.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [e-mail].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

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.