windows/linux system administrator Jobs

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Linux System Administrator

Leidos

•

Alexandria, Virginia, USA

Full-time

Leidos is seeking a System Administrator to support a large enterprise IT contract for the DOD. This role requires an individual that has technical experience with administering Linux and Windows servers within a VMware virtual environment. This individual should be detail oriented in order to capture customer inquiries appropriately. This role is responsible for interacting with other administrators to handle service inquiries and problems. Duties include examining customer problems and suggest
Posted 60+ days ago | Updated 9 hours ago

Classified Linux System Administrator

Aerospace Corporation

•

Chantilly, Virginia, USA

Full-time

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,
Posted 54 days ago | Updated 9 hours ago

Linux System Administrator (Service Desk)

General Dynamics

•

Colorado, USA

Full-time

Basic Qualifications Education Requirements: Bachelor's degree in a specialized area; or equivalent is required plus a minimum of 2 years of relevant experience; or Master's degree. Clearance Requirements: Department of Defense TS/SCI security clearance with ability to obtain a Polygraph is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of w
Posted 45 days ago | Updated 9 hours ago

Linux System Administrator

Leidos

•

San Diego, California, USA

Full-time

The Maritime Solution Systems Portfolio within the Maritime Systems Division (MSD) is seeking an experienced, dynamic, and highly capable Linux system administrator to join the Leidos team at a customer site in San Diego, CA. The business activities within this portfolio include underwater vehicle systems, maritime sensors, supporting information technology and engineering services for complex maritime applications, and the development and support of underwater data acquisition and telemetry sys
Posted 60+ days ago | Updated 9 hours ago

Principal Linux System Administrator

Raytheon

•

Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-06-26 Country: United States of America Location: MA133: Tewksbury, Ma Bldg 3 Concord 50 Apple Hill Drive Concord - Building 3, Tewksbury, MA, 01876 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Principal Linux Systems Administrator- 100% onsite, Tewksbury, MA. Will sponsor a clearance for t
Posted 60+ days ago | Updated moments ago

Principal Linux System Administrator

Raytheon

•

El Segundo, California, USA

Full-time

Date Posted: 2025-07-02 Country: United States of America Location: CA222: 2006 E El Segundo Blvd BldgE04 2006 East El Segundo Boulevard Building E04, El Segundo, CA, 90245 USA 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.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher
Posted 60+ days ago | Updated moments ago

Linux System Administrator (TS/SCI with CI poly)

Maxar Technologies Holdings Inc

•

Herndon, Virginia, USA

Full-time

Please review the job details below. Unlock your future with Maxar! We want you to join us as LINUX System Administrator to stand up and maintain a nifty hardware platform infrastructure. We are seeking a techie who embraces technology and thrives on the art of the possible. The ideal candidate works with our small multi-disciplinary team and gets the unique opportunity to interact directly with users and other technologists to ensure solutions, development and tools meet evolving requirements
Posted 53 days ago | Updated 9 hours ago

Senior Linux System Administrator

General Dynamics

•

Livermore, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, Microsoft Server Operating Systems, Microsoft Windows Environment Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: $10K Sign-on bonus A Senior Linux System Administrator Maintains an o
Posted 60+ days ago | Updated 9 hours ago

Unix / Linux System Administrator with DevOps

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

Unix / Linux System Administrator with DevOps LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and motivated **Unix / Linux System Administrator with DevOps** expertise to join our team and manage the infrastructure that supports our applications and services. In this role, you will be responsible for maintaining, automating, and optimizing our Unix and Linux-based systems while integrating
Posted 60+ days ago | Updated 9 hours ago

Unix / Linux System Administrator with DevOps

Cymertek Corporation

•

Georgia, USA

Full-time

Unix / Linux System Administrator with DevOps LOCATION Fort Eisenhower, GA 30905 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and motivated **Unix / Linux System Administrator with DevOps** expertise to join our team and manage the infrastructure that supports our applications and services. In this role, you will be responsible for maintaining, automating, and optimizing our Unix and Linux-based systems while integr
Posted 60+ days ago | Updated 9 hours ago

Unix / Linux System Administrator with DevOps

Cymertek Corporation

•

Reston, Virginia, USA

Full-time

Unix / Linux System Administrator with DevOps LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and motivated **Unix / Linux System Administrator with DevOps** expertise to join our team and manage the infrastructure that supports our applications and services. In this role, you will be responsible for maintaining, automating, and optimizing our Unix and Linux-based systems while integrating Dev
Posted 60+ days ago | Updated 9 hours ago

Unix / Linux System Administrator with DevOps

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Unix / Linux System Administrator with DevOps LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and motivated **Unix / Linux System Administrator with DevOps** expertise to join our team and manage the infrastructure that supports our applications and services. In this role, you will be responsible for maintaining, automating, and optimizing our Unix and Linux-based systems while integrating Dev
Posted 60+ days ago | Updated 9 hours ago

Unix / Linux System Administrator with DevOps

Cymertek Corporation

•

Honolulu, Hawaii, USA

Full-time

Unix / Linux System Administrator with DevOps LOCATION Honolulu, HI 96815 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and motivated **Unix / Linux System Administrator with DevOps** expertise to join our team and manage the infrastructure that supports our applications and services. In this role, you will be responsible for maintaining, automating, and optimizing our Unix and Linux-based systems while integrating D
Posted 60+ days ago | Updated 9 hours ago

Unix / Linux System Administrator with DevOps

Cymertek Corporation

•

Annapolis, Maryland, USA

Full-time

Unix / Linux System Administrator with DevOps LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and motivated **Unix / Linux System Administrator with DevOps** expertise to join our team and manage the infrastructure that supports our applications and services. In this role, you will be responsible for maintaining, automating, and optimizing our Unix and Linux-based systems while int
Posted 60+ days ago | Updated 9 hours ago

Senior Linux System Administrator

General Dynamics Information Technology

•

Livermore, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, Microsoft Server Operating Systems, Microsoft Windows Environment Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: $10K Sign-on bonus A Senior Linux System Administrator Maintains an
Posted 60+ days ago | Updated 17 hours ago

Senior Linux System Administrator

General Dynamics Information Technology

•

Livermore, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, Microsoft Server Operating Systems, Microsoft Windows Environment Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: $10K Sign-on bonus A Senior Linux System Administrator Maintains an o
Posted 60+ days ago | Updated 3 hours ago

System Administrator Linux-Windows

SAIC

•

Huntsville, Alabama, USA

Full-time

Job ID: 2506691 Location: HUNTSVILLE, AL, US Date Posted: 2025-06-12 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC has an immediate need for a BMC3 Systems Administrator Analyst with Linux full stack development experience. We are looking for an innovative and motivated individu
Posted 20 days ago | Updated 7 hours ago

Senior Systems Administrator (Linux/Windows)

Ledgent Technology

•

Fremont, California, USA

Full-time

We are seeking a highly skilled Senior System Administrator to join our client's enterprise IT team, which is onsite in Fremont, CA. We are unable to consider 3rd party candidates. In this role, you will be responsible for maintaining, securing, and optimizing mission-critical systems and infrastructure across a complex, multi-site environment. You will take initiatives to improve performance, reliability, scalability, and security, including cloud services, servers, storage, virtualization, s
Easy Apply
Posted 8 days ago | Updated 2 hours ago

System Analyst VI (Windows/Linux,RHEL 7.0,Azure Cloud,LAN/WAN)

Tellus Solutions

•

Lansing, Michigan, USA

Contract

Job Description: Project Scope: This position is responsible for providing technical support for COTS (Custom Off the Shelf) packages for the Management and Budget side of DTMB. Roles/Responsibilities: This role will perform system administrator assignments including but not limited to installing systems and application components and configuring them on Windows and Linux environments.This role will also be responsible for gathering and documenting requirements, researching and presenting opti
Easy Apply
Posted 27 days ago

Senior Systems Administrator (Linux and Windows)

General Dynamics

•

Mary Esther, Florida, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Interim Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, System Administration, Virtual Environments, Virtualization, VMware Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Job Description: Seize your opportunity to make a personal impact as a Senior S
Posted 9 hours ago