Overview 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 o…

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across th…

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 U…

Job Number 1887 Standard Job Description WHAT WERE 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 each minute. Here, you'll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you'll …

The Systems Integrator provides senior-level systems engineering and integration support for complex simulation systems, with responsibility for coordinating, designing, integrating, testing, and sustaining hardware and software components within a unified simulation environment. This position combines advanced systems engineering skills with a strong software development background to ensure simulation systems, applications, interfaces, data flows, and supporting infrastructure operate togethe…

This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) Because an active DoD clearance is required, U.S. Citizenship is required HPC Systems Administrator (TS/SCI Cleared) Location: Onsite Duration: 12-Month Contract Clearance Required: Active TS/SCI Work Environment: Secure classified facility (SCIF) About the Role We are seeking an experienced HPC Systems Administrator to support and maintain a large-scale High Performance Computing (HPC) environment within a secu…

RGNext employees execute and report on theater and strategic offensive and defensive ballistic missile testing and support space situational awareness operations and experiments, using a wide array of highly sophisticated radar, telemetry and optical sensors to meet the needs of our nation in defending the United States and its interests. This overseas, accompanied position, is located on Kwajalein Atoll in the Marshall Islands. What You Will Do: Serve as the Linux Systems Administrator Princip…

Title: • Linux System Administrator Location: • Dahlgren, Virginia Clearance Required: • Top Secret Certification Required: • Security or IAT Level II Top Skills Required: • 4 Years of Red Hat Enterprise Linux and Linux-based workstations • System Administration • Hardware experience with HP and Dell systems • Top Secret Clearance and Sec or IAT Level II certification Work Schedule: • Hybrid (3 days onsite / 2 days remote) Responsibilities • Providing technical problem solving and in-depth cons…

Description 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…

Summary Come join a company that strives for _Extraordinary People and Exceptional Performance_ ! Chenega Professional & Technical Services, LLC, a Chenega Professional Services company, is looking for a RedHat Linux System Administrator to support a federal agency. Our company offers employees the opportunity to join a team where there is a robust employee benefits program, management engagement, quality leadership, an atmosphere of teamwork, recognition for performance, and promotion opportun…

Job Description Insight Global is looking for a Secret System Administration SME local to San Diego, CA. This person will be fully onsite and responsible for dealing with major system changes, specifically a migration and implementation from RHEL 7 to RHEL 9. This person should be an expert in linux systems and have experience from compiling changes to the baseline system to finalizing the product. The ideal candidate will have ansible experience for system automation, as well as splunk, red ha…

Description About Leidos Leidos is a FORTUNE 500® company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and health industries. We deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. Guided by our Mission, Vision, and Values, Leidos empowers its teams, contributes to its communities, and operates sustainably-always with a commitment to doing the right th…

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight acro…

Description SAIC is seeking a Red Hat Linux Systems Administrator located at the K. Mark Takai Pacific Warfighting Center on Ford Island in Hawaii to support USPACOM J76 to build, maintain, secure, and optimize critical enterprise Linux infrastructure across on-premises environments. In this role, you will lead the end-to-end lifecycle of Red Hat Enterprise Linux (RHEL) systems, from automated provisioning and configuration management to routine patching, DoD STIG compliance, and exercise suppo…

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across t…

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across t…

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 U…

Standard Job Description 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 each minute. Here, you'll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you'll draw on all you…

CIS Secure is currently supporting the National Air & Space Intelligence Center (NASIC) providing IT support services across multiple contract task orders. This is a NEW MULTI-YEAR contract. The program supports diverse needs providing employees many opportunities for career development, growth and advancement. To continue to excel this program, Intrepid is seeking a Linux Administrator to provide Red Hat Enterprise Linux (RHEL) and Linux system administration support. A qualified Linux Adminis…

Are you looking to take the next step in your career as a Senior Linux Systems Administrator (RHEL/VMware) ? Let's chat and see if we are a good match! Opportunity: Virtual Service Operations is searching for a Senior Linux Systems Administrator to join our team in support of critical IT and aerospace infrastructure in Huntsville, AL. You’ll lead Linux systems administration, design integrated hardware and software solutions, and manage end-user endpoint infrastructure across operational enviro…