Principal Linux Systems Administrator jobs

Waltham, Massachusetts

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25d ago

Role: L3 Linux Systems Administrator Job Type: Fulltime Location: Waltham, MA Job Overview: We are seeking an experienced L3 Linux Systems Administrator with expertise in Red Hat Enterprise Linux (RHEL). The L3 Linux administrator will be responsible for advanced system administration, troubleshooting, performance tuning and support of our enterprise Linux environment. The L3 Linux system administrator will play a key role in the support, deployment, and maintenance of mission-critical systems

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Full-time

$95,000 - $141,000

Linux Systems Administrator / Secret / Onsite: Huntsville, AL

Huntsville, Alabama

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Today

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, Maryland, US, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. Lockheed Martin Enterprise Operations (EO) is actively see

Full-time

USD 70,100.00 - 123,625.00 per year

Linux Systems Administrator II

Long Beach, California

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Today

A large Beverage company in Corona, CA is hiring a System Administrator II -the highest technical support layer for their global IT infrastructure. This role is a direct permanent hire and is a great long term Hybrid Remote opportunity! Job Description: Provide operational support for 600 Windows Servers (Windows Server 2016 and newer) and 120 SUSE Linux servers (SLES 12 and SLES 15), including patching, performance monitoring, and ensuring service availability.Manage and upgrade VMware VCenter

Full-time

USD 110,000.00 - 123,000.00 per year

Linux Systems Administrator, Sr / Secret / Onsite: Sunnyvale, CA

Sunnyvale, California

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Today

Job Description Join our Lockheed Martin team! 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 more than 70 countries. We are hiring a Linux System Adminis

Full-time

USD 85,500.00 - 150,765.00 per year

Linux Systems Administrator

Grand Forks, North Dakota

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Today

Job ID: 2511569 Location: GRAND FORKS, ND, US Date Posted: 2025-11-14 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: TS/SCI 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 i

Full-time

Linux Systems Administrator/Engineer

Columbia, South Carolina

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Yesterday

Job Title: Linux Systems Administrator/Engineer Location: Columbia SC Duration: 12 months (Hybrid) Daily duties / Responsibilities: This position will be responsible for the planning, implementation, and management of all linux server instances in our environment. Currently, this includes rhel and oracle unbreakable linux. The candidate will work closely with other infrastructure staff members and also act as a backup resource on infrastructure areas such as storage and network. Required Skill

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Contract

$65-70

Senior Linux Systems Administrator - Datacenter Infrastructure

New Jersey

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Today

Our client, a professional services firm located in Somerset, NJ, is looking to hire a Senior Linux Systems Administrator - Datacenter Infrastructure for a 6-month hybrid contract. The consultant will be expected to work onsite in the Somerset office 2 days per week, on Tuesdays and Thursdays. The schedule is as follows: Standard Hours: Monday - Wednesday: 7:00 am - 3:30 pm EST Thursday - Friday: 10:30 am - 7 pm EST Weekend Availability: Participation in bi-monthly Saturday production rollouts

Contract

USD 49.50 - 81.25 per hour

Linux Systems Administrator (Active Secret Clearance Required)

Lexington, Massachusetts

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21d ago

Job Title: Linux Systems Administrator (Active Secret clearance) Duration: 3+ years Client: Defense Research Lab Location: Lexington, MA 02421, United States (Onsite) Work Location: Candidates should expect to be onsite 5 days a week. There may be flexibility for up to 1 day work from home but will be dependent on program requirements. Final schedule to be determined by hiring manager. Job Overview: Maintains operation of multi-user computer systems, including coordination of infrastructure a

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Contract

$85 - $95

Senior AIX & Linux Systems Administrator

Westlake, Ohio

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Today

Your Next Career Move Starts Here At Golden Technology, we believe your potential is limitless. We connect top technologists with companies that are shaping the future and we do it with a people-first approach that values authenticity, growth, and impact. Our mission: Develop people. Empower families. Drive innovation. Our approach: Pair world-class talent with organizations where they can thrive. The Role: Senior AIX & Linux Systems Administrator Location: Westlake, Ohio Hybrid, must be onsite

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Full-time

Linux Systems Administrator - TS/SCI-FSP clearance

Fort Meade, Maryland

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Today

Job Description Job Description This Jobot Job is hosted by: Kurt Holzmuller Are you a fit? Easy Apply now by clicking the "Apply Now" buttonand sending us your resume. Salary: $130,000 - $180,000 per year A bit about us: We are a leading global tech company on the cutting edge of cloud and data solutions. With a strong emphasis on innovation, inclusivity, and work-life balance, we foster a dynamic environment for career growth. With a global customer base including all sectors, from Fortune

Full-time

USD 130,000.00 - 180,000.00 per year

Staff Linux/Windows Systems Administrator - Top Secret Clearance

King of Prussia, Pennsylvania

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Today

Job Description What We're Doing: Lockheed Martin's Electronic, Cyber & Information Warfare (ECIW) market segment within the RMS C6ISR line of business is focused on ensuring our customers can dominate the full Electromagnetic Spectrum (EMS), bringing capabilities to bear in the realms of intelligence, surveillance and reconnaissance (ISR), cyber techniques and effects, electronic warfare (EW), information operations (IO), and 5G.MIL; while delivering full-spectrum cyber capabilities and cyber

Full-time

USD 99,700.00 - 175,835.00 per year

HPC Linux Systems Administrator - TS/SCI-FSP clearance

San Diego, California

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Today

Full-time

USD 130,000.00 - 180,000.00 per year

HPC Linux Systems Administrator - TS/SCI-FSP clearance

Salt Lake City, Utah

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Today

Job Description Job Description This Jobot Job is hosted by: Kurt Holzmuller Are you a fit? Easy Apply now by clicking the "Apply Now" buttonand sending us your resume. Salary: $140,000 - $200,000 per year A bit about us: We are a leading global tech company on the cutting edge of cloud and data solutions. With a strong emphasis on innovation, inclusivity, and work-life balance, we foster a dynamic environment for career growth. With a global customer base including all sectors, from Fortune

Full-time

USD 140,000.00 - 200,000.00 per year

Senior Linux Systems Administrator (NDA 4)

Annapolis, Maryland

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Today

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in 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, 401K with a 6% company match and immed

Full-time

USD 116,350.00 - 210,325.00 per year

Linux Systems Administrator

Greenville, Texas

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Full-time

Senior AIX Linux Systems Administrator (Direct Hire)

Hybrid in Westlake, Ohio

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Today

Job Summary Job Title: Senior AIX Linux Systems Administrator Location: Westlake, Ohio (Hybrid 2 days on Site) Type of Employment: Direct Hire Duration: Permanent Job Overview: We are hiring a Senior AIX & Linux Administrator to manage and support our enterprise AIX (IBM Power) and Red Hat Linux environments. You will handle system builds, automation, patching, high availability, performance tuning, and incident resolution for critical business systems. Key Responsibilities: Administer AIX on

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Full-time

$120,000 - $130,000

Senior Linux Systems Administrator - 10k Sign on Bonus

Aurora, Colorado

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Today

Full-time

USD 116,350.00 - 210,325.00 per year

Linux Systems Administrator II

Remote or Long Beach, California

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Today

Full-time

USD 110,000.00 - 123,000.00 per year

UNIX Systems Administrator - Senior Linux Engineer

Boca Raton, Florida

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29d ago

UNIX Systems Administrator - Senior Linux Engineer Must be resides in Florida Onsite interview & Onsite work option Job Description: UNIX Operations team is searching for a candidate who is proficient within a LINUX (Red Hat). The ideal candidate will have 10+ years of experience within systems administration. This candidate will provide LINUX support of around 300 servers. We are looking for an effective communicator and a problem-solving individual with good organizational skills and attentio

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Contract

Depends on Experience

Senior Systems Administrator (Linux & Windows)

Dallas, Texas

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Today

Senior Systems Administrator (Linux & Windows) 12+ month contract (W2 ONLY, NO C-C) Onsite Downtown Dallas This position requires a resource with at least 8 years of experience in the given technology areas. The key competencies include subject matter expertise and system administrator experience with Microsoft Windows OS, VMWare, Linux OS and Nutanix Technologies. Knowledge around the support of operations technology or control system environments is preferred. The candidate should also be able

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Contract

Competitive

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Principal Linux Systems Administrator jobs