Senior Windows Linux Systems Engineer jobs

Senior Linux Systems Engineer, Low Latency, Onsite - R

Chicago, Illinois

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Today

Senior Linux Systems Engineer, Low Latency, Onsite, Chicago, IL We are looking to hire a highly talented Senior Linux Systems Engineer to join the technology team. This Senior Linux Systems Engineer position is 100% Onsite and NOT open for Remote. Senior Linux Systems Engineer Responsibilities: - Work collaboratively with technology and business teams on all aspects of a global trading and research infrastructure. - Research and implement enhancements to infrastructure systems as well as automa

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Full-time

$150,000 - $175,000

Senior Linux Kubernetes Engineer

Hybrid in New York, New York

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Yesterday

We are unable to sponsor for this permanent full-time role Position is Bonus eligible Prestigious Financial Institution is currently seeking a Sr. Linux Systems Engineer with strong Kubernetes experience. Candidate will be responsible for managing and improving our highly automated Linux-based systems and platforms while supporting our broader technology infrastructure with a focus on automation. candidate will be working collaboratively with our technology and operations teams to ensure the h

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Full-time

Depends on Experience

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

Contract -- Sr. Linux Systems Engineer -- 100% onsite in DC

Washington, District of Columbia

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Today

Dear Candidate, My name is Manisha Singh and I am a Staffing Specialist at Stellent IT LLC. I am reaching out to you on an exciting job opportunity with one of our clients. Should you be interested, please send me a copy of your resume in word format along with you LinkedIn URL. Sr. Linux Systems Engineer 100% onsite in DC - No exceptions and NO options to work hybrid or remote Position Requirements: Linux Administration: Required: Experience with design, implementation, and ongoing maintenanc

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Full-time, Contract, Third Party

Senior Linux Systems Engineer

Westlake, Texas

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Linux Systems Engineer in Westlake, TX. Key Tasks: * Write high-quality code for our applications that are reliable, scalable, and reusable * Understand the leadership vision and execute on that vision * Strengthen and promote the culture of innovation by setting examples * Find creative ways to get things done, and do them right * Foster a culture of Best-in-Class software engineering practices * Exercise a passion for keeping your

Contract

$59 - $69 hourly

Sr. Linux/Windows Systems Administrator - Top Secret Clearance

King of Prussia, Pennsylvania

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Today

Full-time

USD 81,600.00 - 143,865.00 per year

Sr. Unix and Linux Engineer

Boca Raton, Florida

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Today

job summary: 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 attention to detail. Responsibility will encompass operational support of the LINUX estate, system maintenance

Contract

USD70 - USD75

Senior Systems Administrator (Windows/Linux) - Top Secret Clearance w/SCI eligibility required

Arlington, Virginia

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Today

Overview At AMERICAN SYSTEMS, your technical expertise directly supports national security and mission-critical systems. As an employee-owned federal government contractor, we deliver trusted solutions in support of the nation's highest priorities. We are seeking a Senior Systems Administrator to support a Special Access Program, operating in highly secure, complex environments where precision and reliability are essential. This role focuses on owning and optimizing enterprise Windows and Linu

Full-time

USD 108,100.00 per year

Senior HPC Linux Systems Engineer

Oak Ridge, Tennessee

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Today

Requisition Id 15559 Overview Oak Ridge National Laboratory (ORNL) is seeking a Senior HPC Linux Systems Engineer to serve as a technical leader supporting some of the most advanced computing environments in the world. This evergreen posting represents multiple potential openings for senior-level roles across ORNL's high-performance computing ecosystem. Senior HPC Linux Systems Engineers are recognized experts who lead the design, implementation, and optimization of complex HPC infrastructure

Full-time

Senior Linux Systems Administrator

Camp Springs, Maryland

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Today

The Leidos Digital Modernization Sector is seeking a Senior Linux Systems Administrator in support of the Air Force National Capital (AFNCR) IT Services program. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our

Full-time

USD 116,350.00 - 210,325.00 per year

Senior Windows Systems Administrator

La Plata, New Mexico

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27d ago

Overview Job specifications are intended to present a descriptive list of the range of duties performed by employees. Specifications are not intended to reflect all duties performed within the job. SUMMARY: The Senior Systems Administrator shall demonstrate experience in systems administration in the following operating systems: UNIX, Linux or Windows. The specialized experience includes Linux system administration of Redhat and security setup and updates (IAVA's); UNIX system administration of

Full-time

USD 52.88 per hour

Senior Systems Linux Administrator

Fremont, California

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19d ago

Maxonic maintains a close and long-term relationship with our direct client. In support of their needs, we are looking for a Senior Systems Administrator Job Description: Job Title: Senior Systems Administrator Job Type: Fulltime Job Location: Fremont, CA Work Schedule: Onsite 5 days a week Salary: $00/Yearly The Systems Engineering team is responsible for architecting, building, automating, and managing our server Infrastructure at our campus in Fremont, CA and our public cloud providers. As a

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Full-time

Depends on Experience

Principal IT Windows Systems Engineer

Redmond, Washington

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Today

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. PRINCIPAL IT SYSTEMS ENGINEER SpaceX is seeking a highly motivated and innovative individual to join our Information Technology Windows Infrastructure team, driving strategic projects and initiatives that propel SpaceX

Full-time

USD 165,000.00 - 230,000.00 per year

Senior Systems Engineer, Low Latency, Onsite - R

Chicago, Illinois

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Today

Senior Systems Engineer, Low Latency, Onsite, Chicago, IL We are looking to hire a highly talented Senior Systems Engineer to join the technology team. This Senior Systems Engineer position is 100% Onsite and NOT open for Remote. Senior Systems Engineer Responsibilities: - Work collaboratively with technology and business teams on all aspects of a global trading and research infrastructure. - Research and implement enhancements to infrastructure systems as well as automation and monitoring. - E

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Full-time

$150,000 - $175,000

Senior Trading Systems Engineer, Low Latency, Onsite - R

Chicago, Illinois

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Today

Senior Trading Systems Engineer, Low Latency, Onsite, Chicago, IL We are looking to hire a highly talented Senior Trading Systems Engineer to join the technology team. This Senior Trading Systems Engineer position is 100% Onsite and NOT open for Remote. Senior Trading Systems Engineer Responsibilities: - Work collaboratively with technology and business teams on all aspects of a global trading and research infrastructure. - Research and implement enhancements to infrastructure systems as well a

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Full-time

$150,000 - $175,000

Senior Windows Systems Administrator

El Segundo, California

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Today

Date Posted: 2026-01-20 Country: United States of America Location: HCA44: 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 Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required on day 1

Full-time

USD 75,800.00 per year

Senior Systems Administration Support (UNIX/Linux OS)

Wiesbaden, Hessen

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Today

Company Description Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide. Job Description Overview **This position is contingent upon contract award** SOSi is seeking a Senior Systems Administration Support Specialist (UNIX/Linux OS) in Wiesbaden, Germany. The ideal candidate will p

Full-time

Senior Systems Engineer

Remote or St. Louis, Missouri

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Today

job summary: Enterprise Healthcare client has an immediate opening for a highly motivated Senior Systems Engineer to join their dynamic and growing team. All qualified candidates are encouraged to apply! location: Telecommute job type: Contract salary: $68.12 - 78.12 per hour work hours: 8am to 5pm education: Bachelors responsibilities: Story Behind the Need: The LASR team is responsible for engineering and supporting Centene's Linux, Ansible, Satellite, and Red Hat OpenShift platforms.

Contract

USD68 - USD78

Senior Systems Engineer

Celebration, Florida

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Today

Our team creates world-class immersive digital experiences for the Company's premier vacation brands including Disney's Parks & Resorts worldwide, Disney Cruise Line, Aulani, a Disney Resort & Spa, and Disney Vacation Club. We are responsible for the end-to-end digital and physical Guest experience for all technology & digital-led initiatives across the Attractions & Entertainment, Food & Beverage, Resorts & Transportation and Merchandise lines of business as well as other initiatives including

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Contract

$70.00 - $80 per hour

UNIX Systems Administrator (Senior Linux Engineer)

Boca Raton, Florida

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5d ago

KLC Consulting, Inc. Requirement for: UNIX Systems Administrator (Senior Linux Engineer) Boca Raton or Ocoee, FL Contact: Maggie Manning: , Client: Florida Department of Transportation (FDOT), Turnpike Headquarters in Ocoee, FL. Closes: January 26, 2026 by 11am EST For Term: Through 6/30/2026 (840 hours), This position will most likely be renewed for Fiscal Year 2027. This position will be located at the Tolls Data Center, 7941 Glades Rd., Boca Raton, FL 33434, OR in Ocoee at Turnpike Headquar

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Contract, Third Party

85 - 89

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Senior Windows Linux Systems Engineer jobs