Senior Linux/UNIX System Administrator
Role: Senior Linux/UNIX System Administrator Location: Brevard County , FL 32925 Let’s create our future together at The AES Group! About The AES Group: The AES Group is a premier technology and engineering consulting company that has been bringing businesses and talent together for over 20 years to deliver innovative solutions that have the greatest positive impact on society. AES has helped over 40 business enterprises, including Fortune 500 companies, engage their customers, empower their em…
Senior Linux Systems Administrator [$237k/yr] TS/SCI-FS Poly with Security Clearance
Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Administer Linux and Windows environments, including Windows Server. • Implement containerization and automation using Ansible and Salt. • Develop scripts in Bash, Perl, and Python. • Support cloud services, specifically AWS. Qualifications & Compensation: • Degree: Technical bachelor's degree or equivalent experience • Years of experience: 15 years • Total Compensation: $237k yearly Jo…
Principal Linux System Administrator- must have active secret clearance
Date Posted: 2026-07-15 Country: United States of America Location: US-AL-HUNTSVILLE-401 ~ 401 Jan Davis Dr NW ~ JAN DAVIS 401 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.? U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance? Security Clearance Type: Secret - Current Security Clearance Status: Active and existing se…
Staff Linux System Administrator/ TS/SCI W/Poly- Littleton, CO with Security Clearance
Job Number 733902BR Description:Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the…
LINUX Systems Administrator SA2 or SA3 -TS/SCI w/ Poly Security with Security Clearance
Tulzi Technologies, LLC (Tulzi) prides ourselves on an open, and honest culture in the workplace which builds a morale conducive to inspiring growth on our team, while balancing lifestyle by supporting personal and family goals with flexibility. Tulzi offers secure network systems and software engineering solutions in both public and private sectors. With certified expert consulting the team at Tulzi is able to address the customers mission, and follow through in the systems development life cy…
Mid-Level Linux Systems Administrator [$244k/yr] TS/SCI-FS Poly with Security Clearance
Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Administer and manage complex systems environments. • Perform provisioning, configuration, patching, securing, and hardening of systems. • Utilize expertise in Linux, VMWare, Ansible, and Network Protocols. Qualifications & Compensation: • Degree: Technical bachelor's degree or equivalent experience • Years of experience: 10 years • Total Compensation: $244k yearly Job Description: • Ex…
Mid-Level Linux Systems Administrator [$216k/yr] TS/SCI-FS Poly with Security Clearance
Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Collaborate with a technical team to manage and optimize Linux-based environments. • Utilize STE/STN tools and Nessus to support system administration and security compliance. Qualifications & Compensation: • Degree: Technical bachelor's degree or equivalent experience • Years of experience: 10 years • Total Compensation: $216k yearly Job Description: • Maintain, configure, and troubles…
Linux Systems Administrators - All Levels
Linux Systems Administrators / Engineers are needed across several Leidos prime programs in our Intelligence Sector’s Cyber & Analytics Business Area (CABA). Our talented team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401(k) with a 6% company match and immedia…
Linux/Windows Systems Administrator with Security Clearance
Linux/Windows Systems Administrator Location: Springfield, VA Clearance: Secret Position Overview: The Linux/Windows Systems Administrator is responsible for the design, implementation, maintenance, and security of the organization's Linux and Windows server infrastructure. The ideal candidate should possess strong expertise in Linux and Windows operating systems. Key Responsibilities: System Administration: Install, configure, and maintain Linux and Windows servers. Perform routine system moni…
Sr. Principal Linux Systems Administrator
Date Posted: 2026-07-16&xa;&xa; Country: United States of America&xa;&xa; Location: US-MA-ANDOVER-AN1 ~ 350 Lowell St ~ AN1 ESSEX BLDG&xa;&xa; Position Role Type: Onsite&xa;&xa; U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance&xa;&xa; Security Clearance Type: DoD Clearance: Secret&xa;&xa; Secu…
RHEL 8 Linux Systems Administrator
Description We are seeking an experienced RHEL 8 Linux Systems Administrator specializing in Red Hat Enterprise Linux (RHEL) 8 or later to support and maintain secure, mission-essential, air gapped information systems. You will have a strong background in enterprise Linux administration, cybersecurity best practices, and operations within isolated or high-assurance computing environments working in our El Segundo, CA office. Key Responsibilities: Install, configure, harden, and maintain RHEL 8 …
Windows & Linux Systems Administrator Staff
Job Description This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! WHAT WE'RE DOING: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon e…
Senior Unix/Linux Systems Administrator
Job specifications are intended to present a descriptive list of the range of duties performed by employees. Specifications are not intended to reflect all duties performed within the job. SUMMARY: The Senior Systems Administrator shall demonstrate experience in systems administration in the following operating systems: UNIX, Linux, or Windows. The specialized experience includes Linux system administration of Redhat and security setup and updates (IAVA's); UNIX system administration of Solaris…
Linux System Administrator - Omaha, NE
ATTENTION MILITARY AFFILIATED JOB SEEKERS - Our organization works with partner companies to source qualified talent for their open roles. The following position is available to Veterans, Transitioning Military, National Guard and Reserve Members, Military Spouses, Wounded Warriors, and their Caregivers . If you have the required skill set, education requirements, and experience, please click the submit button and follow the next steps. All positions are onsite, unless otherwise stated. Leidos …
Sr. Principal Linux Systems Administrator
Date Posted: 2026-07-16 Country: United States of America Location: US-MA-ANDOVER-AN1 ~ 350 Lowell St ~ AN1 ESSEX BLDG Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.? U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance? Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM…
Senior Linux Systems Administrator / HPC
$100000 - $120000 A leading institution in Chicago is hiring a Systems Administrator to support advanced computing systems within a fast-growing data science environment. This role focuses on Linux infrastructure, high performance computing clusters, and modern automation tools such as Ansible, Docker, and distributed storage technologies. This is a unique opportunity to work in a highly technical environment supporting cutting edge research in artificial intelligence and large-scale data proce…
Experienced/Lateral - Linux Systems Administrator
About Five Rings Five Rings is a proprietary trading firm founded with a vision of combining strategy, innovation and technology to succeed in today’s global markets. With offices in New York, Boca Raton, London and Amsterdam, Five Rings trades in various domestic and international markets, both established and esoteric. Our team constantly seeks new opportunities, analyzes their risks and rewards, and creates strategies and tools to capitalize on them. We have an open culture and encourage the…
Linux Server Systems Administrator with Security Clearance
> A SECURITY CLEARANCE AND POLYGRAPH ARE REQUIRED Description Support High Performance Computing (HPC) server-class platforms, network devices, server interconnects, mass storage systems and supporting infrastructure services. One of the critical cornerstones of the IT environment is the closely coupled cooperation between and among the array of computational nodes, networks, storage, and security devices. Areas supported include HPC, HPC infrastructure support, networks, automation, and specia…
Linux Systems Cloud Administrator
Description SAIC is seeking a Linux Systems/Cloud Administrator in Colorado Springs, CO to support the AF TENCAP HOPE 2.0 contract. The AF TENCAP HOPE 2.0 contract bridges intelligence community collection architectures, capabilities, and technologies with DoD operational and tactical requirements. This effort will deliver rapid, innovative, and cost-effective capabilities to meet warfighter needs, and will include bringing national capabilities to bear across all warfighting domains spanning i…
Linux Server Systems Administrator
Description Leidos is looking to fill a Linux Server Systems Administrator position to support the National Digital Exploitation & OSINT Center (NDOC). This role requires an individual that has technical experience with administering Linux servers within a within a physical and virtual environment. This role is responsible for interacting with administrators to handle service inquiries and problems. Duties include examining customer problems and implementing appropriate corrective action to ini…