Showing page 12 of 454 (Total listings: 9076)
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Aberdeen Proving Ground, Harford County
Oct 21, 2026

ASRC Federal is a leading government contractor furthering missions in space, public health and defense. As an Alaska Native owned corporation, our work helps secure an enduring future for our shareholders. Join our team and discover why we are a top veteran employer and Certified Great Place to Work™ ASRC Federal is looking for a Linux System Administrator to support their work with DEVCOM-CBC and the Transformation Decision Analysis Center (TDAC) organization. The Senior Linux Systems Adminis…

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Savage, Anne Arundel County
Jun 16, 2026

EverWatch is a government solutions company providing advanced defense, intelligence, and deployed support to our country’s most critical missions. We are a full-service government solutions company. Harnessing the most advanced technology and solutions, we strengthen defenses and control environments to preserve continuity and ensure mission success. EverWatch employees are focused on tackling the most difficult challenges of the US Government. We offer the best salaries and benefits packages …

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Fort Sam Houston, Bexar County
Sep 18, 2026

MANTECH seeks a motivated, career and customer-oriented Linux Systems Administrator to join our team in San Antonio, TX. The Linux Orchestration Services (LOS) team which is the standard of excellence for all things Linux within the organization. The selected candidate will play a critical role in overseeing the design, implementation, and maintenance of the organization's cloud-compute infrastructure. The ideal candidate will have a strong background in the Linux Operating System and automatio…

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Higley, Maricopa County
Sep 20, 2026

Our Deloitte AI & Engineering team to transform technology platforms, drive innovation, and help make a significant impact on our clients' success. You'll work alongside talented professionals reimagining and reengineering operations and processes that are critical to businesses. Your contributions can help clients improve financial performance, accelerate new digital ventures, and fuel growth through innovation. Work you'll do As a Delivery Senior Consultant, Infrastructure Engineering Solutio…

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Chantilly, Fairfax County
Aug 10, 2026

Company Summary Rampant employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. At Rampant, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. Rampant is an Equal Opportunity Employer. Job Summary We are seeking a skilled Systems Engineer to…

Linux System Administrator with Security Clearance

Zachary Piper Solutions, LLC ✓ Verified
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Hampton Roads, Hampton City
Oct 16, 2026

Zachary Piper Solutions is looking for a CLEARED Linux System Administrator to join a large scale federal program for ground systems and geospatial support. This is a full - time position and onsite at Langley AFB in Hampton, VA. Essential Duties of the Linux System Administrator: * Perform a variety of system administration and maintenance functions associated with the monitoring and controlling LINUX and Windows computers hosting classified intelligence data and software applications. * Admin…

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Fort George G Meade, Anne Arundel County
Aug 3, 2026

MANTECH seeks an experienced and passionate, career and customer-oriented Linux System Administrator to join our team in Ft. Meade, MD. Responsibilities include but are not limited to: * Creating and managing virtual environments * Systems administration of hardware and software in support of maintenance, developing and testing of information technology systems * Administration of Linux (i.e., Redhat/Rocky 8) * Scripting with Basic Shell (Bash), PUTTY * Configuring and maintaining storage and f…

Linux Systems Administrator with Security Clearance

Ascension Federal Services Inc ✓ Verified
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Fort George G Meade, Anne Arundel County
May 25, 2026

Linux Systems Administrator Location: Fort Meade, MD, 20755 CLEARANCE: TS/SCI W/FULL SCOPE POLY (WILL SPONSOR FSP FOR CANDIDATES THAT HAVE TS OR ABOVE) Job Description: We are seeking a talented Linux Systems Administrator to join our team at Fort Meade, MD. The ideal candidate will be responsible for the installation, configuration, and maintenance of Linux operating systems and related software. This individual will also be responsible for troubleshooting system issues and ensuring the securi…

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Fort George G Meade, Anne Arundel County
Sep 1, 2026

MANTECH seeks an experienced and passionate, career and customer-oriented Linux Systems Administrator to join our team located in the Fort Meade, MD area. Responsibilities include, but are not limited to: * Provide comprehensive administration and support for multi-platform operating system environments. * Design and implement automated security hardening solutions to enhance scalability and streamline operating system deployments. * Configure and maintain host-based security and intrusion dete…

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Fort George G Meade, Anne Arundel County
Sep 1, 2026

MANTECH seeks an experienced and passionate, career and customer-oriented Linux Systems Administrator to join our team located in the Fort Meade, MD area. Responsibilities include, but are not limited to: * Provide comprehensive administration and support for multi-platform operating system environments. * Design and implement automated security hardening solutions to enhance scalability and streamline operating system deployments. * Configure and maintain host-based security and intrusion dete…

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Hampton Roads, Hampton City
Oct 3, 2026

Job Title: Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: We are seeking a cleared, skilled and experienced Red Hat Enterprise Linux Administrator with expertise in Puppet configuration management to join our IT team. The ideal candidate will play a crucial role in integrating, maintaining and opt…

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Dulles Town Center, Loudoun County
Sep 24, 2026

Job Title: Linux System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: CACI's National Mission Systems (NMS) group is seeking a highly motivated Linux Systems Administrator tosupport mission-critical environments by ensuring secure, reliable, and scalable infrastructure across cloud and bare-metal systems…

Linux/Database Administrator with Security Clearance

Future Technologies, Inc. ✓ Verified
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King George, King George County
Sep 30, 2026

The Linux/Database Administrator will work independently under limited supervision, install and maintain Linux-based database servers, manage updates and enhancements, troubleshoot and optimize performance, support end users and developers, manage accounts and privileges, maintain configuration baselines, and research emerging technologies to support future system upgrades. Responsibilities include: * Managing database backup strategies, restoration procedures, replication, clustering, and fail…

Linux Systems Administrator with Security Clearance

Johns Hopkins University Applied Physics Laboratory ✓ Verified
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North Laurel, Prince George's County
Oct 20, 2026

Description Do you have a passion for Linux systems administration? Do you have experience with systems administration for classified systems? If so, we're looking for someone like you to join our team at APL. The Strategic Missile Defense Program Area (AH1) is seeking a motivated and experienced Linux Systems Administrator to join the Homeland Defense Mission Area (HDMA) Classified Information Systems Section. As a Linux Systems Administrator, you will work collaboratively with other section s…

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Dulles Town Center, Loudoun County
Oct 16, 2026

Job Title: Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI is seeking a hands-on Linux Systems Administrator III to join our Infrastructure Team supporting our family of Electronic Warfare (EW) systems. Support our end-to-end Linux environment, including engineering workstations, build ser…

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West Falls Church, Fairfax County
Oct 20, 2026

Company Overview By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and commercial IT customers worldwide. Position Overview By Light has an opening for a Sr. Systems Administrator (Linux/Unix) position supporting the Army National Guard (ARNG) in Falls Church, VA. This is an IT Servic…

Linux System Administrator with Security Clearance

Johns Hopkins University Applied Physics Laboratory ✓ Verified
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North Laurel, Prince George's County
Oct 6, 2026

Description Are you passionate about shaping secure, IT systems in classified environments? Do you want to influence system improvements, implementation decisions, and the overall security posture of advanced technology systems? If so, we're looking for someone like you to join our team at APL! We are seeking a Linux System Administrator to join the Weapons and Countermeasures group to support secure Analysis Facilities. In this role, you will apply Risk Management Framework (RMF) principles, d…

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Savage, Anne Arundel County
Oct 19, 2026

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Provide senior-level systems administration and engineering support across complex server hardware, applications, and software integrations. • Maintain system security, integrity, and operational readiness through active hardening, patching, and routine maintenance. • Collaborate closely with cross-functional development, testing, and engineering teams to support mission-critical operat…

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Fort George G Meade, Anne Arundel County
Oct 16, 2026

Job Title: Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * We are seeking a highly skilled Linux Systems Administrator to support mission-critical enterprise infrastructure in a secure Department of Defense/Intelligence Community environment. The successful candidate will provide advanced systems administration, ne…

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Pinecraft, Sarasota County
May 25, 2026

Job Title: Linux System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI has an immediate opening for a Linux Systems Administrator, with a Top Secret Clearance (TS/SCI) with polygraph for our corporate development/test network and fielded systems. CACI is seeking a development Systems Adminis…

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