Principal Linux Systems Administrator Jobs

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Systems Administrator

Robert Half

•

Manchester, New Hampshire, USA

Full-time

Description Join our team as a Devops Engineer / Linux Systems Administrator, where you'll maintain and optimize a Linux-based infrastructure, ensuring peak performance and rock-solid reliability. Your expertise in managing CI/CD pipelines will streamline our development process, turning code into deployment magic. Responsibilities: Manage and troubleshoot Linux systems with ninja-like precision. Build, maintain, and optimize CI/CD pipelines to keep deployments swift and smooth. Monitor system
Easy Apply
Posted 9 days ago | Updated 11 hours ago

Senior Systems Engineer - Linux

Photon

•

Rocklin, California, USA

Contract, Third Party

Senior Systems Engineer Rocklin, CA Design and support data networks for WSI data centers, corporate facilities, retail stores, distribution centers, call centers, and eCommerce environment. Design, develop, implement, and support network solutions for IT projects. Specific Responsibilities Participates and documents systems requirements and authors solution designs Reviews and provides feedback for system design solutions that will impact their area Participates in establishing strategies and s
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Posted 29 days ago | Updated 2 days ago

Intermediate AWS Cloud Systems Operations Administrator

Maximus, Inc.

•

San Antonio, Texas, USA

Full-time

Description & Requirements Maximus is seeking an Intermediate AWS Cloud Systems Operations Administrator focused on managing AWS workloads, overseeing system deployment, security, and compliance. This administrator will use AWS tools to ensure systems run efficiently, troubleshooting as needed. Their expertise is vital for maintaining DoD system integrity and performance on the cloud. This position is on-site and requires an active TS/SCI security clearance. Maximus TCS (Technology and Consulti
Posted 1 day ago | Updated 8 hours ago

Senior AWS Cloud Systems Operations Administrator

Maximus, Inc.

•

San Antonio, Texas, USA

Full-time

Description & Requirements Maximus is seeking a Senior AWS Cloud Systems Operations Administrator focused on managing AWS workloads, overseeing system deployment, security, and compliance. This administrator will use AWS tools to ensure systems run efficiently, troubleshooting as needed. Their expertise is vital for maintaining DoD system integrity and performance on the cloud. This position is on-site five days a week and requires an active TS/SCI clearance. Maximus TCS (Technology and Consult
Posted 1 day ago | Updated 8 hours ago

Senior AWS Cloud Systems Operations Administrator

Maximus, Inc.

•

San Antonio, Texas, USA

Full-time

Description & Requirements Maximus is seeking a Senior AWS Cloud Systems Operations Administrator focused on managing AWS workloads, overseeing system deployment, security, and compliance. This administrator will use AWS tools to ensure systems run efficiently, troubleshooting as needed. Their expertise is vital for maintaining DoD system integrity and performance on the cloud. Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS221, T5, Band 8 Job Specific Essential
Posted 4 days ago | Updated 8 hours ago

Systems Analyst - Unix/Linux

Maximus, Inc.

•

Maryland, USA

Full-time

Description & Requirements Maximus is seeking a Telecommunications Analyst to provide expertise to a federal client in support of their mission critical systems in defense of our Homeland. This person will work with a collaborative team to provide expertise in the design, implementation, and maintenance of systems and technologies for a federal client's critical communication needs. This position is on-site and requires a Secret Clearance. Maximus TCS (Technology and Consulting Services) Inter
Posted 36 days ago | Updated 7 hours ago

Senior IT Systems Administrator

Pegasus Knowledge Solutions

•

Skokie, Illinois, USA

Contract

Our client is seeking a Senior IT Systems Administrator / Site Operations Engineer to serve as the primary technical presence supporting high-performance computing (HPC) infrastructure at Skokie location in IL facility. This individual will play a hands-on role in the setup, maintenance, and ongoing support of a new HPC environment leveraging Lenovo hardware, Infiniband networking, and Linux-based systems.The ideal candidate brings strong Linux system administration experience in enterprise or H
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Posted 5 days ago

Senior Linux Systems Engineer

Apple, Inc.

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No location provided

Full-time

Apple is where individual imaginations gather together, committing to the values that lead to great work. Every new product we build, service we create, or Apple Store experience we deliver is the result of us making each other's ideas stronger. That happens because every one of us shares a belief that we can make something wonderful and share it with the world, changing lives for the better. It's the diversity of our people and their thinking that inspires the innovation that runs through every
Posted 59 days ago | Updated 2 hours ago

Senior Systems Administrator

IO Associates

•

South Pasadena, Florida, USA

Full-time

Senior Systems Administrator - MacDill AFB (Tampa, FL) Join a fast-growing consulting firm delivering mission-critical IT infrastructure for the Department of Defense. Our client is seeking a Senior Systems Administrator to support operations at MacDill AFB. Requirements: Active Top Secret clearance (TS/SCI eligible) DoD 8570 certification (Security+ or equivalent) 4+ years of systems administration experience Proficient with Windows Server, Linux, virtualization, and cloud platforms (AWS,
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Posted 23 days ago | Updated 3 hours ago

Linux Systems Admin - GMD Weapons Systems (GWS)

Lockheed Martin Corporation

•

Huntsville, Alabama, USA

Full-time

Job Description What We're Doing Become a part of something IMPACT-ful! Ground Missile Defense (GMD) is the heart of the Missile Defense System and a key element of our nation's defense against ballistic missile attacks. The GMD Weapon System (GWS) processes data from multiple sensors to identify and characterize the inbound ballistic missile threat, plans the best defensive solution, and launches the intercepting missiles to negate the threat. The Work The Linux System Admin maintains smooth
Posted 34 days ago | Updated 2 hours ago

Sr Principal Systems Engineer - LINUX - Active Top Secret Required

General Dynamics Information Technology

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management Certifications: CompTIA - Security+ CE - CompTIA Experience: 15 + years of related experience ship Required: Yes Job Description: Senior Principal Systems Engineer - Linux Design,
Posted 60+ days ago | Updated 10 hours ago

Staff Cyber Systems Administrator

Lockheed Martin Corporation

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San Antonio, Texas, USA

Full-time

Job Description What We're Doing: As part of Lockheed Martin Rotary & Mission Systems business area, the C4ISR line of business creates leading-edge global mission integration capabilities and products for our partners across all domains. Who We Are: Our team will provide rapid capability development and operational readiness leveraging industry best-practices and innovative solutions to ensure the program meets operational requirements and matures existing government owned software in an ef
Posted 14 days ago | Updated 2 hours ago

Systems Administrator

Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is seeking a Systems Administrator for an established healthcare organization. This is a 6-month contract and is REMOTE (based in US, must work EST). Responsibilities of the Systems Administrator: Support the remediation of Windows Server 2012 environments, including upgrade planning and execution to Azure. Maintain and administer enterprise-level Windows and Linux systems in a hybrid on-prem/cloud environment. Collaborate with vendors to manage third-party applications and navi
Posted 38 days ago | Updated 26 days ago

HPC/Linux Systems Engineer

Penn State

•

Reston, Virginia, USA

Full-time

APPLICATION INSTRUCTIONS: CURRENT PENN STATE EMPLOYEE (faculty, staff, technical service, or student), please login to Workday to complete the internal application process. Please do not apply here, apply internally through Workday. CURRENT PENN STATE STUDENT (not employed previously at the university) and seeking employment with Penn State, please login to Workday to complete the student application process. Please do not apply here, apply internally through Workday. If you are NOT a current em
Posted 60+ days ago | Updated 2 hours ago

Sr. Systems Administrator

Arena Technical Resources

•

Redstone Arsenal, Alabama, USA

Full-time

Job DescriptionJob Title: Sr Systems Administrator Job Location: Redstone Arsenal, Alabama Eligibility/Clearance: Secret Clearance is required. This position supports a government contract Job Description: We are seeking a Systems Administrator that will work within a cohesive team environment and is responsible for the effective provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure. This role is critical for ensuring
Posted 16 days ago

Systems Administrator

Zachary Piper Solutions, LLC

•

Remote

Full-time

Piper Companies is seeking a Systems Administrator for an established healthcare organization. This is a 6-month contract and is REMOTE (based in US, must work EST). Responsibilities Support the remediation of Windows Server 2012 environments, including upgrade planning and execution to Azure. Maintain and administer enterprise-level Windows and Linux systems in a hybrid on-prem/cloud environment. Collaborate with vendors to manage third-party applications and navigate upgrade or decommission sc
Posted 39 days ago | Updated 26 days ago

DevOps Engineer/Systems Administrator

SNI Technology

•

Centennial, Colorado, USA

Contract

Job Details SNI Technology's client is actively seeking to hire an IT DevOps Engineer for an exciting 3-month, contract-to-hire opportunity located in Centennial, CO! Please note this is a hybrid work environment requiring 3 days onsite per week (2 days remote/work from home). Summary We are seeking a mid-level IT professional for a hybrid role combining responsibilities in Systems Administration and Data Warehouse/Python development. This position supports core IT infrastructure, including Li
Posted 9 days ago | Updated 1 hour ago

Linux Information Systems Analyst, Sr / Secret / King of Prussia, PA

Lockheed Martin Corporation

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King of Prussia, Pennsylvania, USA

Full-time

Job Description About Us: 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 people works with partners around the world to bring proven performance 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 Lockheed Martin Enterprise Operations (EO) position will suppor
Posted 30 days ago | Updated 2 hours ago

Systems Administrator With Kubernetes Experience

TEKsystems c/o Allegis Group

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Louisville, Kentucky, USA

Full-time

One of our partners located in the Louisville, KY area is needing an individual to join their team to focus on Systems Administration duties within a Window and Linux hybrid-cloud environment. Candidates must have experience with the skills below and only candidates that live in certain states are eligible for this role. Candidates must be able to convert permanent without assistance if offered a perm role from the contract portion. Sr. System Administrator The System Administrator is part of th
Posted 11 days ago | Updated 11 hours ago

Systems Administrator

SAIC

•

Andover, Massachusetts, USA

Full-time

Job ID: 2507140 Location: ANDOVER, MA, US Date Posted: 2025-06-30 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC currently has a career opportunity for a Cyber Systems Administrator (SA) in our Andover, Massachusetts facility to support the US Space Force (USSF). Job Duties: Manage and maintain cur
Posted 12 days ago | Updated moments ago