Systems administrator jobs

MD-Systems Administrator 3 - TS/SCI w/ Polygraph

Aurora, Colorado

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Location: Annapolis Junction, Maryland Category: Systems Administration Travel Required: No Remote Type: No Clearance: TS/SCI w/ Polygraph Position Requirements Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices,

Full-time

USD 131,300.00 - 237,350.00 per year

Senior Systems Administrator (Lead)

Arlington, Virginia

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Overview Empower AI is AI for government. Empower AI gives federal agency leaders the tools to elevate the potential of their workforce with a direct path for meaningful transformation. Headquartered in Reston, Va., Empower AI leverages three decades of experience solving complex challenges in Health, Defense, and Civilian missions. Our proven Empower AI Platform provides a practical, sustainable path for clients to achieve transformation that is true to who they are, what they do, how they wo

Full-time

USD 147,000.00 per year

Jr. IT Systems Administrator

Saint Johns, Michigan

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Glanbia Business Services Inc Junior IT Systems Administrator A vacancy has arisen for a Jr. IT Systems Admin at Glanbia Business Services Inc in St. Johns, MichiganThis position will report into IT Operations Team Lead US East.. Glanbia - Our Business Glanbia is a global nutrition company and the global leader in the performance nutrition industry with a portfolio of performance and lifestyle nutrition brands. As a nutritional solutions provider in the B2B arena, we commercialize specialty

Full-time

USD 75,000.00 per year

Senior Linux/Unix IT Systems Administrator

Dahlgren, Virginia

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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

Full-time

USD 64.00 per hour

Systems Administrator

Carlsbad, New Mexico

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Tuknik Government Services, LLC, a Koniag Government Services company, is seeking Systems Administrator to support TGS and our government customer in Carlsbad, NM. We offer competitive compensation and an extraordinary benefits package including health, dental and vision insurance, 401K with company matching, flexible spending accounts, paid holidays, three weeks paid time off, and more. Plan, coordinate, and execute with Network engineers, Service Desk and federal staff, and the IT Operations

Full-time

Systems Administrator

Los Angeles, California

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About Us At Antares, our long-term mission is to make clean energy abundant from Earth to the Asteroid Belt. We're fueled by the belief that advanced nuclear energy can strengthen our military, solve the climate crisis, elevate global living standards, and expand humanity's presence in outer space. To achieve our mission, we're building mass-producible, inherently safe, deployable microreactors that can be used terrestrially, underwater, and in space. The Antares team hails from SpaceX, the Wh

Full-time

USD 85,000.00 - 120,000.00 per year

Systems Administrator

Stillwater, Oklahoma

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Do you enjoy solving technical challenges and making systems run better than they did before? Are you someone clients trust when they need clear answers and steady guidance? Do you like working hands-on with infrastructure while also building strong, long-term relationships? We're InterWorks, a people-first technology consultancy, and we're looking for an IT Systems Engineer to join our team in Stillwater, Oklahoma. This is a client-facing role for someone who combines strong technical expertis

Full-time

USD 45,000.00 - 60,000.00 per year

Tier 1 Systems Administrator (TS/SCI w/ POLYGRAPH)

Annapolis, Maryland

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COMSO, Inc. is a powerhouse when it comes to empowering federal government stakeholders to fulfill their mission with confidence and efficiency. Our staff brings knowledgeable IT systems expertise, software development proficiency, innovative learning solutions for workforce development, and exceptional operations and production support. We were founded in 1988, and remain a recognized woman owned small business, operating in several states including Maryland, Georgia, Hawaii, Texas, and Alaska.

Full-time

USD 75,000.00 - 85,000.00 per year

Senior Systems Administrator - Scientific IT Infrastructure & Cybersecurity

Berkeley, California

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Lawrence Berkeley National Lab's (LBNL) Advanced Light Source (ALS) Division has an opening for a Senior Systems Administrator - Scientific IT Infrastructure & Cybersecurity. This position will supervise the ALS-IT team and provide strategic and technical direction for the systems, servers, networks, and cybersecurity infrastructure supporting more than 40 scientific beamlines, the ALS Control Room, and other mission-critical facility operations. Serving as the senior technical authority for th

Full-time

USD 179,000.00 - 218,000.00 per year

Senior IT Systems Administrator

Reston, Virginia

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Scout Space is building a new way to see and operate in space: with a new paradigm of data empowering every satellite to make space safer. We are a rapidly-growing team; we are deploying real solutions to orbit over the next 2 years; and our work will transform the face of spaceflight. We are looking for people that bring excitement and energy to our organization, are curious and eager to learn, and want to help drive our programs forward. Scout is seeking a skilled Senior IT Systems Administra

Full-time

USD 120,000.00 - 200,000.00 per year

Linux Systems Administrator

Chicago, Illinois

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Responsibilities Sentinel is seeking a Linux Systems Engineer for one of our strategic partners. This administrator is responsible to install, administer, and support Red Hat Enterprise Linux, VMware ESXi, HPE infrastructure, and Azure cloud environments that host critical Oracle and enterprise applications. This role is responsible for system availability, performance tuning, automation, patching, monitoring, security, disaster recovery, and infrastructure upgrades across data centers and manu

Full-time

USD 82,000.00 - 110,000.00 per year

Linux and Windows Systems Administrator

Beavercreek, Ohio

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Leidos Corporate Information Security Office (CISO), reporting through the Digital sector, is seeking a Linux and Windows System Administrator to support and maintain complex classified environments. The selected candidate will be responsible for administering, securing, troubleshooting, and maintaining Windows and Linux systems across physical and virtual infrastructures. This role supports mission-critical operations by ensuring system availability, compliance with security requirements, and r

Full-time

USD 69,550.00 - 125,725.00 per year

Systems Administrator II (TS/SCI w/ CI Poly required)

Suitland-Silver Hill, Maryland

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Systems Administrator II (Mid-Level) - 3 SLOTS Location: Suitland, MD (On-Site) Clearance: Active TS/SCI w/ CI Poly or better (required) Certification: DoD 8140/8570 Compliant (Security+ CE or qualifying certification required) Employment Type: Full-Time Position Summary A&M Technologies is seeking three Systems Administrator II professionals to support enterprise Operations & Maintenance activities for a federal customer. The selected candidates will provide day-to-day administration of Windo

Full-time

USD 150,000.00 - 165,000.00 per year

Senior Linux Systems Administrator

Lexington, Massachusetts

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The Tactical Autonomy Group develops and deliversAI-enabled autonomy and robotic systemswhere it counts - at the tactical edge.As anFFRDC, we combineacademic depth in algorithms, controls, and machine learning, theexecution speed of industry, anddirect mission pull from operational end-usersto solve problems others can't.We don't stop at papers: wedesign, build, integrate, field-test, and transition autonomy stacks - spanning perception, decision-making, learning, and control-into real operation

Full-time

USD 114,600.00 - 151,900.00 per year

Systems Administrator

Dayton, Ohio

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Systems Administrator Job No: 503776 Work Type: Staff Full Time (1500 hours or greater) Location: Dayton, OH Category: Research Institute Staff Department: System Infrastructure Team - 250224 Pay Grade: P1 - Exempt Advertised: August 04, 2026 Applications close: Position Summary: Power Research. Secure Systems. Make an Impact. UDRI invites qualified applicants to apply for our Systems Administrator opening! The Systems Administrator is part of the Research Information Technology Office a

Full-time

Systems Administrator

Herndon, Virginia

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Job Description We are actively seeking a Systems Administrator with a minimum of 11 years of experience. An undergraduate or graduate degree in computer science or computer engineering preferred. Required Skills 11+ years' experience in systems design and engineering Ability to troubleshoot cloud (AWS) implementation issues Solve software (Linux) issues and software development Proven success working as a DEVOPs systems engineer and technical admin Agile Methodology and continuous improvement

Full-time

Systems Administrator

Dayton, Ohio

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MTSI is seeking a motivated and proactive journeyman systems administrator with a good understanding of modern networks, hardware and software to support a large office at Wright-Patterson AFB. This position requires independent critical thinking, technical expertise, and attention to detail. The position is part of a larger team managing on-premises and guest networks in a classified work environment. The incumbent will be responsible for staying current with the latest technologies, industry b

Full-time

Systems Administrator

North Charleston, South Carolina

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Geodesicx is seeking a Systems Administrator to join our TacMobile Project team for installation, operation and information assurance accreditation support of Naval Information Warfare Center Atlantic (NIWC Lant). This position requires experience and understanding of multiple operating systems and network familiarity. Responsibilities: Perform installation, updates and configuration of servers and workstations in accordance with industry best practices and DISA standards.Understand and impleme

Full-time

Directory Services Systems Administrator - Active Top Secret required

Washington, District of Columbia

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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: IT Infrastructure and Operations Job Qualifications: Skills: Authentication, Directory Services, Technical Issues, Technical Knowledge Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Directory Services System Administrator Advance how our customers operate w

Full-time

USD 103,700.00 - 140,300.00 per year

Systems Administrator

Washington, District of Columbia

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How you will contribute to our National Security and Defense mission: MTSI is seeking a highly motivated and experienced Systems Administrator to support our team in safeguarding information systems for a government customer in Washington, DC. This individual will be responsible for the installation, configuration, maintenance, and troubleshooting of Linux and Windows-based systems in a secure environment. This individual will also be responsible for building out cloud and hybrid cloud infrastr

Full-time