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. W…
Skills: Windows Server, RHEL, VMware, Active Directory, TS/SCI Clearance
The Defense Systems Group has an immediate opening for a Principal Electrical Test Engineer to support the development, integration, verification, qualification, and production of advanced defense electronic systems for …
Skills: Electrical Integration, RF and Microwave Testing, Automated Test Equipment, LabVIEW, TestStand
Leidos has new and exciting opportunities in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Mission Software, Security Engineering, Computer Network Operations (CNO), …
We are seeking an Azure Cloud Integration Engineer to support the U.S. Department of Health and Human Services (HHS). This engineer will play a key role in integrating cloud services across Azure and Microsoft 365 GCC en…
Our customer, the Defense Information Systems Agency (DISA), provides, operates, and assures command and control of the Defense Information System Network (DISN) services to its customers, the department of Defense (DoD)…
Skills: Network Engineering, VLAN, Routing, IP Addressing, Palo Alto Firewalls
Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribut…
Leidos is actively interviewing for a Exploitation Specialist/Data Manager & Cataloger to join our team in St. Louis, MO. The Exploitation Specialist will support organizational information operations, including digital …
Skills: Database Management, Geospatial Analysis, Digital Asset Cataloging, Information Management, Cybersecurity Protocols
Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribut…
Skills: Cyberspace Operational Planning, Offensive Cyberspace Operations, Joint Planning Processes, Targeting Selection, Operational Plan Development
Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribut…
Skills: Quality Control System Implementation, AS9100, ISO9001, Root Cause Analysis, Six Sigma
The Digital Modernization Sector has an opening in support of the End User Centric IT Support (ECIS) Contract for Centers for Medicare and Medicaid Services (CMS) is looking to improve and advance the organization. Our p…
Leidos is looking for our next TS/SCI-cleared Nosql Database Engineer to join a high-energy team building and deploying a cutting-edge technology stack to support our client’s mission to centralize and standardize Taskin…
Skills: NoSql Database Engineering, Kubernetes, Elasticsearch, Redis, Linux System Administration
***This is a Hybrid position requiring onsite presence approximately two days per week. The ideal candidate will be primarily based out of the Chantilly, VA office, while also having the ability to travel to or work from…
Senior Information System Security Engineer (ISSE)
Alexandria, Virginia, United States · On-site
$131k–$237k/yr
Senior+
Join us in transforming how technology serves those who serve. At Leidos, we're not just delivering solutions – we're pioneering the future of defense and intelligence technology. Our diverse teams of innovators unite…
Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribut…
Skills: Occupational Safety and Health, OSHA Compliance, Environmental Compliance, Incident Investigation, Safety Training
Leidos Defense Sector is seeking a talented & skilled Quality Engineer to join a diverse team to create unique solutions for complex problems. With offices across the United States engaging in the defense, space, cyber, …
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Skills: Systems Integration, Interface Engineering, Cloud Migration, Oracle Cloud Infrastructure, Interface Control Documents
Project Scheduler – Theater Mission Planning Center (TMPC) Location: California, MD Elevate Your Career at Leidos Join a team where your work directly supports mission-critical planning and execution for the U.S. Navy. A…
We’re a ‘Family Friendly’ certified workplace – we understand the often many and varied roles our team members need to play within their own unique family setting and actively support them. Our team feel Leidos is a grea…
Skills: ITSM, Service Governance, SIAM, Stakeholder Engagement, ServiceNow
More About the Role: NGEN is the largest IT services program for the Navy. Under the Service Management, Integration, and Transport (SMIT) portion of NGEN, the Leidos team will deliver the core backbone of the Navy-Marin…
Skills: Desktop Support, Troubleshooting, Hardware Repair, Microsoft Windows 11, Ticket Management
More About the Role: NGEN is the largest IT services program for the Navy. Under the Service Management, Integration, and Transport (SMIT) portion of NGEN, the Leidos team will deliver the core backbone of the Navy-Marin…
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$59k–$107k/yr
Full-time
bachelor degree, professional certificate
Posted 22d ago
~40 hrs/week
Responsibilities
Maintain and support servers, workstations, and specialized applications within a mission-critical classified environment. Troubleshoot performance issues and install new capabilities to ensure operational continuity in a 24/7 operation.
Requirements
Requires an active TS/SCI clearance, CompTIA Security+ certification, and a bachelor's degree with 2-4 years of experience. Must have hands-on expertise in Windows and RHEL servers and the physical ability to lift 60 lbs.
Full job 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 2-4years 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 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.
Related keywords
Systems AdministratorTS/SCICompTIA Security+Windows 10Windows 11Windows Server 2019Windows Server 2022RHEL 8.0RHEL 9.0Active DirectoryVMwareSIPRNetCAVOKClear-ComMinotaurChatSurfer
An industry & technology leader serving government & commercial customers with smarter, more efficient innovations
Industry
Defense and Space Manufacturing
Company size
10,001+ employees
Founded
1969
Headquarters
Reston, Virginia
LinkedIn followers
578,680
Leidos is an industry and technology leader serving government & 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.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
Offices: 1750 Presidents St, Reston, Virginia 20190, US · 11955 Freedom Drive, Reston, VA 20190, US · 1145 N 2nd St, Leavenworth, KS 66048, US · 9600 Great Hills Trail, Austin, TX 78759, US · 221 3rd St, Newport, RI 02840, US
An industry & technology leader serving government & commercial customers with smarter, more efficient innovations
Industry
Defense and Space Manufacturing
Company size
10,001+ employees
Founded
1969
Headquarters
Reston, Virginia
LinkedIn followers
578,680
Leidos is an industry and technology leader serving government & 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.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
Offices: 1750 Presidents St, Reston, Virginia 20190, US · 11955 Freedom Drive, Reston, VA 20190, US · 1145 N 2nd St, Leavenworth, KS 66048, US · 9600 Great Hills Trail, Austin, TX 78759, US · 221 3rd St, Newport, RI 02840, US