Average salary: $72,500 /yearly
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- ...processes are reinforced through our organization’s externally accredited certifications, which include ISO 9001:2008 Quality Management System (QMS), ISO/IEC 20000-1:2011 IT Service Management Systems (SMS, corporate ITIL certification), ISO 27001:2005 Information Security...SuggestedImmediate startFlexible hoursWeekend work
- ...MANTECH is seeking a motivated, career and customer-oriented Linux System Administrator in Laurel, MD. Become an integral part of a diverse team that delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense...SuggestedContract workWork at officeShift work
MANTECH
Laurel, MD10 hours agonew - ...MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national...SuggestedWork at office
MANTECH
Laurel, MD10 hours agonew $65 - $75 per hour
1 week ago Be among the first 25 applicants Position Title: Systems Administrator Location: Arlington, VA (100% Onsite) Clearance Requirements: Active TS/SCI (SCI-eligible candidates acceptable) Position Status: Contract to Hire (Long-term project with 3+ years remaining...SuggestedContract workFor contractorsSeneca
Arlington, VA5 hours agonew- ...processes are reinforced through our organization’s externally accredited certifications, which include ISO 9001:2008 Quality Management System (QMS), ISO/IEC 20000-1:2011 IT Service Management Systems (SMS, corporate ITIL certification), ISO 27001:2005 Information Security...SuggestedFlexible hours
$86k - $138k
ResponsibilitiesPeraton is seeking a Linux Systems Administrator with an active TS/SAP clearance to join our team supporting mission-critical operations. The ideal candidate will manage, maintain, and enhance secure Linux-based environments while ensuring uptime and performance...SuggestedContract workShift work$77.6k - $176k
Linux Systems AdministratorThe Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the U.S. Federal Government? We’re looking for a cross domain specialist...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work$115k - $140k
GovCIO is currently hiring a highly experienced Senior Systems Engineer to support critical infrastructure modernization and platform engineering activities for the U.S. Coast Guard (USCG). This highly technical role focuses on designing, engineering, and maintaining secure...SuggestedCurrently hiring$135k
ManTech International seeks a Linux System Administrator to support critical national security missions. In this role, you will install, configure, secure, and maintain Linux servers supporting defense and intelligence customers. Responsibilities include system monitoring...SuggestedManTech International
Laurel, MD8 days ago$65k - $100k
...efficient IT operations are important to us, and as a result we are looking for a sharp candidate with a strong IT troubleshooting and systems administration background to support our growing organization and help strengthen our IT practices. The IT Administrator will...SuggestedWork at officeRemote work- ...Transportation, Federal and State Government Agencies. Learn More About ProSidian Consulting at DescriptionProSidian Seeks a Energy Data Systems Administrator | Evaluation Support [DOEOP045050] - DPLH Est.: 665.6 Hrs. ST | 0 Hrs. OT on a Exempt 1099 Contract: No Overtime Pay...SuggestedFull timeContract workTemporary workFor contractorsH1bWork at officeFlexible hours
$107.9k - $195.05k
The Test and Training Enabling Architecture (TENA) program at Leidos is looking to add a Senior Linux System Administrator. Our mission is to develop tools for the United States Department of Defense test and training communities, to increase the speed of the development...SuggestedFull timeWork at office$116.35k - $210.33k
...cyber defense, logistics optimization, security operations, and decision intelligence. We're the minds behind the mission-critical systems that keep our nation secure. Ready to engineer solutions that matter? Primary TasksThe Digital Modernization Sector at Leidos is...SuggestedFull time$120,000 per week
...technologies and solutions essential for the U.S. intelligence community, the Department of Defense, and other federal agencies. As a Senior Systems Administrator, you will play a vital role in safeguarding our nation's security by maintaining and optimizing IT frameworks and...SuggestedManTech International
Laurel, MD29 days ago- ...MANTECH is seeking a highly motivated and collaborative System Administrator to join our team in Laurel , MD . In this role, you will develop, maintain, and enhance complex and diverse software systems based upon documented requirements. Work individually or as...SuggestedWork at office
MANTECH
Laurel, MD10 hours agonew - ...Technical Engagement Network (TEN) Lab Manager Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber...Contract workLocal areaImmediate start
Nightwing
Arlington, VA4 days ago $97.01k - $164.91k
...Job Description BAE Systems under the High-Performance Computing Modernization Program Integrated Technical Services Contract II (HITS... ...PKI Authentication SSL Certificate Management DoD System Admin Experience (STIGs, RMF, etc.) DoD 8570 IAT II (or better) Certification...Full timeContract workWork experience placementLocal areaBAE Systems USA
Alexandria, VA4 days ago- ...Position The Red Hat Linux Senior Engineer provides senior-level engineering and administration support for Red Hat/Linux-based systems. The position supports monitoring, management, and integration of enterprise system management tools used to assess the operational...Full timeContract workDay shift
The One 23 Group
Arlington, VA3 days ago $103.8k - $218.1k
...Job Title: Linux System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity:...Full timeContract workWork experience placementWork at officeFlexible hoursCACI International
Oxon Hill, MD3 days ago$112k - $179k
...maintenance activities for enterprise Linux infrastructure across multiple sites and classified networks. This role combines deep Linux systems expertise with DevOps engineering, infrastructure automation, and technical leadership. The ideal candidate will drive baseline...Contract workShift work$121.6k - $152k
...Administrator to join our team.As a Unix/Linux Administrator, you will play a key role in designing, implementing, and maintaining Linux-based systems for. Combining your knowledge of RHEL, cloud platforms, Oracle Linux, you will ensure our systems are stable, secure, and...- ...Corp 2 Corp, 1099, or W2 (please email your expectations, and availability to start) Job Description Mapjects is seeking an IT Admin with Microsoft Exchange Admin The position reports to windows operations manager. You shall serve as a primary...Full timeWeekend work
Mapjects.com
Washington DC12 hours ago $143.91k
Agency: Defense Information Systems AgencyDepartment: Department of DefenseSub agency: DISA - Joint Network Operations Security CenterSalary: Starting at $143,913 Per year (GG 14)Dates: Open 07/30/2026 to 08/06/2026Schedule: Full-timeWork type: PermanentRelocation: TruePosition...- ...experience and effective approach, ensuring that we lead with both innovation and integrity. The Position: The Red Hat Linux Systems Engineer (Journeyman) provides Tier II system administration and operational support for Linux-based environments supporting Joint...
The One 23 Group
Arlington, VA3 days ago - ...Technologies (IDT), provider of cutting-edge cloud-based integration, automated testing and data analysis for complex, mission-critical systems in the US Department of Defense (DOD), is seeking a Systems Administrator to be part of our Security team and based out of our...Full timeWork at officeImmediate start
$104k - $166k
ResponsibilitiesPeraton is seeking a motivated and driven Systems Administrator to join our dynamic team.Peraton has served as the prime contractor for this program since its inception in the 1980's. We provide high-level government leaders with reliable secure voice, video...Contract workFor contractorsWorldwideShift work- ...Level 5, positioning us as one of a handful of elite companies to receive the highest form of third-party validation. are seeking a Systems Administrator who will be responsible for supporting and maintaining enterprise IT systems within a Department of Homeland Security...Full timeContract work
- Universal Technical Resource Services, Inc. (UTRS) is currently seeking a System Administrator to join our team! At UTRS, we enjoy the benefits of working in a collaborative environment of close-knit team members. As a company, we provide a wide range of leading-edge engineering...Casual workWork at officeRemote work
$92.3k - $166.85k
...sounds like an environment where you can thrive, keep reading! The MissionThe Leidos Digital Modernization Sector is seeking a GCCS-J Systems Administrator in support of the Air Force National Capital (AFNCR) IT Services program. Primary Responsibilities: Lead, mentor, and...Full timeLocal areaImmediate startRemote workRelocation- Responsible for server operations inclusive of hardware, operating system (OS), and utilities on the servers.Has expertise in Red Hat Linux and Windows operating systems and is responsible for configuration, patch management, version and sub-version upgrades, and all aspects...
