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Boulder, Colorado

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Today

Job Title: Linux Systems Administrator Clearance Required: Public Trust ; Public Trust (National Agency Check with Inquiries (NACI))0 Work Location: Boulder, CO (Hybrid with required days on site) Alpha Omega is searching for an experienced Linux Systems Administrator to join one of our long-term Federal projects. Alpha Omega is seeking a Linux Systems Administrator to support enterprise Linux infrastructure operations at the NCEI-CO site. This position provides administration, maintenance, tr

Full-time

USD 64,000.00 - 78,000.00 per year

Linux Systems Administrator I

Lakewood, Colorado

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Today

Overview Now Hiring at AMERICAN SYSTEMS Epsilon, Inc. has joined AMERICAN SYSTEMS! As one organization, we offer expanded resources, streamlined operations, and increased opportunities for growth and development. Join us to be part of a dynamic, collaborative environment dedicated to innovation and customer success. Responsibilities An average day: As a Linux Systems Administrator I, you will provide support for our enterprise-level Linux-based systems and will assist with installation, conf

Full-time

USD 61,324.37 per year

Linux Systems Administrator I

Loveland, Colorado

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Today

Full-time

USD 61,324.37 per year

Linux System Administrator

Boulder, Colorado

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Today

SciTec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness

Full-time

USD 95,000.00 - 117,000.00 per year

Multi-Platform Systems Administrator (Unix)

Hybrid in Denver, Colorado

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5d ago

Unix/Linux Systems AdministratorSalary Range:$80k to $120k OverviewOur client is seeking an experienced Unix/Linux Systems Administrator to support a diverse enterprise infrastructure across multiple Unix and Linux environments. This is a hands-on systems administration role focused on maintaining, supporting, and enhancing critical infrastructure systems. The ideal candidate will have strong Linux and Unix administration experience, excellent troubleshooting skills, and a solid foundation in s

Easy Apply

Full-time

$80,000 - $120,000

Systems Administrator

Boulder, Colorado

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Today

Job Description WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. LM SPACE: WHAT WE'RE DOING Space is a critical domain, connecting our technologies, our security and our humanity

Full-time

USD 81,600.00 - 143,865.00 per year

Information Technology (IT) Systems Administrator II

Westminster, Colorado

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Today

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals

Full-time

USD 25.00 - 35.00 per hour

Systems Sr Administrator (IT)

Denver, Colorado

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Today

Posting Date 05/27/2026 2000 16th Street, Denver, Colorado, 80202, United States of America Senior UNIX Systems Administrator (IT) The DaVita Senior Systems Administrator works in a fast-paced, technology-dependent, security-conscious environment. Administrators ensure the effective and efficient delivery of information systems within an ITIL structure. They are responsible for a combination of production support and new project initiatives. Senior Systems Administrators work to maintain a hi

Full-time

USD 78,000.00 - 119,000.00 per year

Systems Administrator (Systems) III

Lakewood, Colorado

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Today

Overview Now Hiring at AMERICAN SYSTEMS Epsilon, Inc. has joined AMERICAN SYSTEMS! As one organization, we offer expanded resources, streamlined operations, and increased opportunities for growth and development. Join us to be part of a dynamic, collaborative environment dedicated to innovation and customer success. Responsibilities An Average Day:As the System Administrator (Systems) you will lead the support for various operating systems, including VMware, Storage, and appliance-based syst

Full-time

USD 80,973.00 per year

Systems Administrator (Systems) III

Loveland, Colorado

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Today

Overview Now Hiring at AMERICAN SYSTEMS Epsilon, Inc. has joined AMERICAN SYSTEMS! As one organization, we offer expanded resources, streamlined operations, and increased opportunities for growth and development. Join us to be part of a dynamic, collaborative environment dedicated to innovation and customer success. Responsibilities An Average Day:As the System Administrator (Systems) you will lead the support for various operating systems, including VMware, Storage, and appliance-based syst

Full-time

USD 80,973.00 - 129,557.00 per year

Linux Administrator

Remote

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11d ago

Linux Administrator Responsibilities and Duties: Support integration and operation of Unix/Linux systems on cloud platforms such as AWS, Azure, or Google Cloud, including using tools like AWS EC2, Azure VM, Docker, and Kubernetes. Maintain Unix/Linux environments running on virtualized platforms, such as VMware, KVM, or Hyper-V, ensuring optimal system performance. Monitor system health by utilizing enterprise monitoring solutions to proactively identify and address system issues. Optimize s

Easy Apply

Third Party, Contract

Depends on Experience

Linux System Administrator - 100% Remote- Only on W2

Remote

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2d ago

Required Skills & QualificationsStrong experience withRed Hat Linux AdministrationHands-on expertise withAnsible automationExperience withRPM package managementStrongTCP/IP troubleshootingskillsExperience withJBoss/Fuse middleware administrationExperience withDocker containersStrong problem-solving and communication skills

Easy Apply

Contract

Depends on Experience

Windows/Linux Server Administrator

Remote

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3d ago

Seeking an experiencedWindows/Linux Server Administratorto support OS level upgrades, server operations, and troubleshooting in an enterprise environment. Role focuses primarily onWindows Server, with some Linux exposure. Key Responsibilities Support and maintain Windows and Linux servers Perform OS and application upgrades Troubleshoot server, application, and basic network issues Use command line tools (PowerShell, Bash) for administration Participate in scheduled maintenance windows Follow

Easy Apply

Third Party, Contract

Depends on Experience

AL-DHR-Linux-System Administrator

Remote or Alabama

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Today

Job Description Position Title: Linux-System Administrator Duration: 06+ months contract with possible extension and conversion Location: Remote Position Description Manage/maintain/secure and help train current DHR workers on the Red Hat Linux Enterprise servers with Kubernetes clusters in Microsoft Azure Government Cloud. At least 3 years experience managing and maintaining RedHat Linux Enterprise or equivalent. Manages, configures, and maintains Linux-based servers and infrastructure to e

Full-time

Linux Administrator

Remote

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Today

The Backup and Recovery Specialist, Senior leads the architecture and governance of enterprise backup and recovery services that protect large, complex environments supporting mission-critical systems in a federal IT setting. This role owns the overall health, scalability, and resiliency of backup platforms, guiding design decisions for new workloads and disaster recovery strategies. The specialist acts as the highest-level escalation point for severe backup failures and high-risk restoration ac

Full-time

Linux Engineer -Systems

Remote or Austin, Texas

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Today

Linux Engineer -Systems Location: Austin, TX (Remote) ABOUT THE OPPORTUNITY The Engineer - Systems is an individual contributor role that develops and maintains embedded Linux systems software. Engineers work as part of a team to implement features, fix bugs, and contribute to the overall quality and functionality of Wind River's embedded Linux platforms and tools. In your daily job you will: Development & Implementation Develop and maintain embedded Linux systems software Implement features, bu

Full-time

Senior AWS Systems Administrator

Remote

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4d ago

Position: Senior AWS Systems Administrator Duration: Long Term Contract Location: Remote Job Summary We are looking for a Senior AWS Systems Administrator who owns the AWS environment end to end. Production, development, staging, the organization root, the billing alarms, the network topology, the audit trails, the keys, the access controls. If it lives in AWS at Client, this seat is responsible for it being correctly configured, properly monitored, and ready for an auditor to walk through. Th

Easy Apply

Contract

$60 - $65

Systems Administrator 3-BP-388

Remote or Maryland

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Today

TO BE CONSIDERED FOR THIS POSITION YOU MUST HAVE AN ACTIVE TS/SCI W/ FULL SCOPE POLYGRAPH SECURITY CLEARANCE (U.S. CITIZENSHIP REQUIRED) Provide administration and support for Windows Server 2019 and 2022 environments, including Active Directory, DNS, Certificate Authorities and manage Windows 10/11 client systems. Administer and troubleshoot various Linux distributions (e.g., RHEL8/9, AmazonLinux 2023) within AWS. Deploy, and maintain robust cloud environments, primarily within AWS, while als

Full-time

USD 78,000.00 per year

Systems Administrator Lead

Remote

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Today

Position Overview The Systems Administrator Lead provides technical and leadership oversight for the administration of servers, operating systems, and core infrastructure services that support mission-critical operations in a federal IT environment. The role directs day-to-day systems administration activities across Windows, Linux, and virtualization platforms, ensuring high availability, performance, and security for on-premises and cloud workloads. The Systems Administrator Lead coordinates I

Full-time

Systems Administrator

Remote

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Today

Leidos is preparing as we anticipated a need for a Systems Administrator to support enterprise Air Force application and middleware environments within the Human Resources Systems Technical Support (HRSTS-) program. The role supports Linux-based middleware, messaging, web application, and database platforms in a secure Department of Defense (DoD) production environment. Primary Responsibilities: Provide administration, maintenance, patching, and troubleshooting support for enterprise middlewar

Full-time

USD 92,300.00 - 166,850.00 per year

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