Principal Linux Systems Administrator Jobs in Colorado

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Linux Systems Administrator

Booz Allen Hamilton

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Lakewood, Colorado, USA

Full-time

Job Number: R0216958 Linux Systems Administrator The Opportunity: Your combination of people skills and technical expertise makes you the team hero, solving one problem after another. We're looking for a systems administrator to help us maintain forensic systems and infrastructure. As a systems administrator on our project, you'll constantly look for ways to make our infrastructure better using the latest technology and the best implementation strategies. You'll provide your customers with insi
Posted 23 days ago | Updated 7 hours ago

Linux Systems Administrator

Cornerstone Defense

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Aurora, Colorado, USA

Full-time

Location: Aurora, Colorado Type: Contract Job #3466 Linux Systems Administrator Aurora, CO Active TS/SCI w/ CI poly Compensation Range: $115,000 - $135,000 Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed
Posted 60+ days ago | Updated 6 hours ago

Principal Systems Administrator

TEKsystems c/o Allegis Group

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Colorado Springs, Colorado, USA

Full-time

This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret) Because an active or interim DoD clearance is required, U.S. Citizenship is required Description Our client is looking for 2 Principal Systems Administrators to join their team. These positions will require a Secret clearance as well as the proper certifications. A qualified candidate will have experience with RHEL as well as Windows servers, An
Posted 2 days ago | Updated 3 hours ago

Principal/Senior Principal Systems Administrator - COLORADO SPRINGS - SECRET AND HIGHER CLEARANCE - 14350

ASD, Inc.

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Colorado Springs, Colorado, USA

Contract

US SPACE FORCE - JTAGS PROGRAMSeeking multi-skilled, self-motivated, energetic individuals to work at our Colorado Springs, CO location as a Principal/Senior Principal Systems Administrator supporting the JTAGS program. As a member of this team, you will primarily focus on Red Hat Enterprise Linux (RHEL) Systems Administration and secondarily perform as a Windows Systems Administrator. The team manages the hardware, software, network, and security for both RHEL and Windows systems located in Col
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Posted 4 days ago

Linux System Administrator

Sun Technologies,Inc.

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Remote

Contract

Job Title: Linux System Administrator Duration: up to 12 months contract (with the possibility of extension) Location: Fort Worth, TX 76108 Pay Rate: $60/hr - $70/hr on W2 [the pay rate may differ depending on your skills, education, experience, and other qualifications] Featured Benefits: Medical Insurance in compliance with the ACA401(k)Sick leave in compliance with applicable state, federal, and local laws Skills Required: The Linux Systems Administrator will be a member of the Enterprise IT
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Posted 26 days ago | Updated 2 days ago

Linux / UNIX Systems Administrator (PeopleSoft / Oracle)

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Linux / UNIX Systems Administrator (PeopleSoft / Oracle) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and motivated Linux / UNIX Systems Administrator (PeopleSoft / Oracle) to join our team and support the administration and optimization of our critical systems. In this role, you will manage and maintain Linux/UNIX environments, ensuring the stability, security, and performance of PeopleSoft
Posted 60+ days ago | Updated 6 hours ago

Linux / Unix Systems Administrator

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Linux / Unix Systems Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and detail-oriented Linux / Unix Systems Administrator to join our team and ensure the stability, security, and efficiency of our systems infrastructure. In this role, you will be responsible for managing, monitoring, and maintaining Linux and Unix servers, troubleshooting system issues, and implementing soluti
Posted 60+ days ago | Updated 6 hours ago

Linux System Administrator

GovCIO

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Remote

Full-time

Overview GovCIO is hiring a Windows and Linux System Administrator to support Veterans Affairs operational needs . The role requires AWS, Windows, and Linux administration experience, with strong database management skills, to maintain infrastructure and ensure system security and performance. This position is fully remote within the United States. Responsibilities Plan the transition of development and/or production environments to new technologies . Ensure data integrity and facilitate elec
Posted 4 days ago | Updated 3 hours ago

DIAS/Linux System Administrator

Leidos

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Colorado Springs, Colorado, USA

Full-time

Leidos is seeking a Senior System Administrator to maintain a large enterprise IT contract for the DOD. The System Administrator will support operations across multiple enclaves, classifications, and time zones. The System Administrator provides systems and software Operations and Maintenance (O&M) support in a large multi-enclave enterprise environment for the customer's custom DoDIIS Identity Attribute Service (DIAS) system based on Linux. This individual will work in a team environment to ens
Posted 7 days ago | Updated 6 hours ago

DIAS/Linux System Administrator

Leidos

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Colorado Springs, Colorado, USA

Full-time

Description Leidos is seeking a Senior System Administrator to maintain a large enterprise IT contract for the DOD. The System Administrator will support operations across multiple enclaves, classifications, and time zones. The System Administrator provides systems and software Operations and Maintenance (O&M) support in a large multi-enclave enterprise environment for the customer's custom DoDIIS Identity Attribute Service (DIAS) system based on Linux. This individual will work in a team envir
Posted 10 days ago | Updated 16 hours ago

Linux Administrator/Support Desk Analyst - UJMS

GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Linux Administrator/Support Desk Analyst (SDA) provides service desk and application and security management services for the Unified Jury Management System (UJMS). The analyst will be required to have troubleshooting, analytical, and decision-making skills to provide support and resolution to end-user issues or questions. The incumbent will provide operational and technical support to resolve software application, security, and technical issues associa
Posted 31 days ago | Updated 3 hours ago

Linux System Administrator (Service Desk)

General Dynamics

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Colorado, USA

Full-time

Basic Qualifications 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 work performed within our
Posted 60+ days ago | Updated 6 hours ago

Linux Administrator - Red Hat

Convene Inc.

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Remote

Contract

About Convene Inc. Convene, Inc. is a Tampa based, award-winning technology services organization with offices and resources throughout the US, Mexico, and India. We have successful, referenceable customers, competitive benefits, and high-growth opportunities.Linux Administrator - Red Hat Duties will include but not limited to the following: Able to deploy and set up Red Hat Enterprise Linux on physical or virtual servers. Able to implement security policies, managing firewalls, and monitoring
Easy Apply
Posted 60+ days ago | Updated moments ago

Linux System Administrator

Peraton

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Colorado, USA

Full-time

Responsibilities Peraton is seeking a highly skilled Linux System Administrator on the FROST program located on Schriever Space Force Base. This role will be responsible for providing support to an intricate, multi-domain network infrastructure that enables strategic space operations, including launch activities. We are continuously upgrading our infrastructure to meet the cutting-edge demands of new space programs, and we're looking for the right person to grow with us. Peraton's motto is "Do
Posted 60+ days ago | Updated 27 days ago

Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: CO

Lockheed Martin Corporation

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Remote or Littleton, Colorado, USA

Full-time

Job 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 Lockheed Marti
Posted 6 days ago | Updated 6 hours ago

Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: CO

Lockheed Martin

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Littleton, Colorado, USA

Full-time

Job ID: 692395BR Date posted: Apr. 30, 2025 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 (
Posted 8 days ago | Updated moments ago

Linux L3 Systems Engineer - Infrastructure Security, VP (C13)

Citi

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Remote or New Castle, Delaware, USA

Full-time

About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemic
Posted 15 days ago | Updated 6 hours ago

Unix / Linux System Administrator with DevOps

Cymertek Corporation

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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 6 hours ago

Systems Administrator 3

Kforce Technology Staffing

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Remote or Redmond, Washington, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a highly skilled Systems Administrator 3 in Redmond, WA. Key Responsibilities: * Systems Administrator 3 will maintain, configure, and troubleshoot Ubuntu Linux systems in production and development environments * Administer and manage Perforce (Helix Core) version control, Swarm code review systems, including user management, service configuration via SDP, Helix authentication service (HAS), replication, backups, disaster recovery, and upgr
Posted 11 days ago | Updated 12 hours ago

Sr Staff Systems Administrator Security and Comp

Judge Group, Inc.

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Arvada, Colorado, USA

Full-time

Location: Arvada, CO Salary: $65.00 USD Hourly - $78.00 USD Hourly Description: Our client is currently seeking a Sr Systems Administrator with deep expertise in Security & Compliance Hardening to support the implementation of CIS Benchmarks and CMMC Level 2 controls across AWS-hosted RHEL8, RHEL9, and Rocky9 environments. This role focuses on designing, building, and maintaining hardened AMIs to meet the stringent security and compliance requirements of government and defense workloads. T
Posted 8 days ago | Updated 3 hours ago