Systems administrator jobs

IT Systems Administrator (Multiple Levels)

Chantilly, Virginia

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Responsibilities Noblis ESI is seeking experienced IT Systems Administrators specializing in cloud services, responsible for applying technical/functional solutions to several projects, leveraging capabilities and sharing/seeking knowledge and information across the organization. As part of a cross-functional team, the position will optimize and secure classified IT infrastructure(s) supporting customers operating within a Sensitive Compartmented Information Facility (SCIF), ensuring maximum av

Full-time

USD 99,800.00 - 156,050.00 per year

IT Systems Administrator (Top Secret Clearance)

Hawthorne, California

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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. IT SYSTEMS ADMINISTRATOR (TOP SECRET CLEARANCE) SpaceX is looking for a IT Systems Administrator with deep knowledge and broad experience across Microsoft-based technologies, in addition to broader experience and capa

Full-time

USD 95,000.00 - 120,000.00 per year

Senior Systems Administrator - RHEL

Springfield, Virginia

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Job ID: 2618435 Location: Springfield, VA, US Date Posted: 2026-10-26 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a highly motivated and experienced Senior Systems Administrator - RHEL to join our MAJESTIC Joint Program Office (JPO) Team in Springfield, VA. This

Full-time

USD 80,001.00 - 120,000.00 per year

Systems Administrator

Pearl City, Hawaii

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Job ID: 2618653 Location: Pearl City, HI, US Date Posted: 2026-10-30 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Systems Administrator located at K. Mark Takai Pacific Warfighting Center in Pearl City, Hawaii to support USPACOM J76 to maintain, enhance a

Full-time

USD 120,001.00 - 160,000.00 per year

Systems Administrator - OMS

Arlington, Virginia

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Job ID: 2617428 Location: Arlington, VA, US Date Posted: 2026-09-29 Category: Information Technology Subcategory: IT Sys Integration Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description Team SAIC is currently seeking a motivated and experienced Organizational Messaging System (OMS) System Administrator to join our team at the Pentagon in Arlingt

Full-time

USD 40,001.00 - 80,000.00 per year

Systems Administrator Lead

Evanston, Illinois

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Department: MED-Central IT Salary/Grade: ITS/82 Job Summary: The System Administrator Lead serves as the manager and technical leader of the Platform Services team within Feinberg IT's Infrastructure team. Reporting to the Director of Infrastructure, this hands-on leadership position is responsible for supervising, mentoring, and developing a team of three systems administrators while participating in the design, implementation, support, and improvement of the platforms and services managed by

Full-time

USD 82.00 per hour

Systems Administrator - Multiple Levels

San Diego, California

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Responsibilities This opportunity is contingent on contract award. Noblis MSD, a wholly-owned subsidiary of Noblis, Inc., delivers mission-critical engineering, logistics, and sustainment solutions to the Department of Defense. We seek talented professionals to support Naval Information Warfare Center (NIWC) Pacific, Code 41250, in San Diego, CA. This program sustains, maintains, and modernizes the Navy's afloat and ashore tactical network systems - including Automated Digital Network System (A

Full-time

USD 71,800.00 - 112,150.00 per year

Systems Administrator

San Diego, California

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Job ID: 2618033 Location: San Diego, CA, US Date Posted: 2026-10-26 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking an onsite Systems Administrator to support the Joint & Expeditionary Command and Control (JEXC2) program in San Diego, California. The qualified

Full-time

USD 80,001.00 - 120,000.00 per year

Classified Systems Administrator, IV (DC)

Hybrid in Washington, District of Columbia

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Job Type: Regular Classified Systems Administrator, IV Overview of RAND The RAND Corporation is a research organization that develops solutions to public policy challenges to help make communities throughout the world safer and more secure, healthier and more prosperous. RAND's research and analysis address issues that impact people everywhere, including security, health, education, sustainability, growth, and development. Headquartered in Santa Monica, California, RAND has approximately 1,700

Full-time

USD 120,900.00 - 184,500.00 per year

Sr. IT Systems Administrator, IT Applications

Memphis, Tennessee

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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. SR. IT SYSTEMS ADMINISTRATOR, IT APPLICATIONS As a Senior IT Systems Administrator, you will serve as a key technical leader and Subject Matter Expert for our collaborative platforms-especially the full Atlassian suite

Full-time

Systems Administrator

Fort Worth, Texas

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This Jobot Job is hosted by: Christian Aviles Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $100,000 - $120,000 per year A bit about us: An established professional services company is seeking a Systems Administrator to support its Microsoft infrastructure and help with a planned transition from on-premises systems to Azure. Why join us? Position Summary This is a hands-on role managing servers, virtual environments, and Microsoft servi

Full-time

USD 100,000.00 - 120,000.00 per year

Red Hat Linux Systems Administrator

Pearl City, Hawaii

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Job ID: 2617678 Location: Pearl City, HI, US Date Posted: 2026-10-07 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Red Hat Linux Systems Administrator located at the K. Mark Takai Pacific Warfighting Center on Ford Island in Hawaii to support USPACOM J76 t

Full-time

USD 120,001.00 - 160,000.00 per year

Sr. IT Systems Administrator, Mission Systems

California

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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. SR. IT SYSTEMS ADMINISTRATOR, MISSION SYSTEMS SpaceX is looking for a highly skilled and versatile Launch Sr. IT Systems Administrator to support the networking, compute, and application support needs of our launch env

Full-time

USD 95,000.00 - 120,000.00 per year

Systems Administrator

South Burlington, Vermont

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Description We are seeking a Systems Administrator to support, secure, and optimize a Microsoft-based infrastructure. This role will be responsible for the administration of Microsoft 365, Azure Active Directory (Entra ID), Windows Server environments, and endpoint management platforms while playing a key role in the organization's cybersecurity and data protection initiatives. Administer and support Microsoft 365 services including Exchange Online, Teams, SharePoint Online, OneDrive, and Micro

Easy Apply

Full-time

USD 80,000.00 - 100,000.00 per year

IT Windows Systems Administrator

Bastrop, Texas

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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. IT WINDOWS SYSTEMS ADMINISTRATOR SpaceX is looking for a Systems Administrator with knowledge and broad experience across Microsoft-based technologies. This employee will be a member of the Information Technology Wind

Full-time

Linux Systems Administrator - Millennium Space Systems

El Segundo, California

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Linux Systems Administrator - Millennium Space Systems Company: Millennium Space Systems Millennium Space Systems (MSS), a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have direct impact to global security, like missile warning and Earth observation. Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because we challenge

Full-time

USD 102,850.00 - 151,250.00 per year

Windows Systems Administrator

Washington, District of Columbia

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Job Number: R0253249 Windows Systems Administrator The Opportunity: Your combination of people skills and technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology and directly support Navy and Marine Corps (NMC) mission requirements. We're looking for a systems administrator with a solid background in Microsoft Windows, Exchange, and ESX and ESXi engineering and administration to help us create solutions for Nav

Full-time

USD 77,600.00 - 176,000.00 per year

Sr. IT Systems Administrator, IT Applications

McGregor, Texas

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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. SR. IT SYSTEMS ADMINISTRATOR, IT APPLICATIONS As a Senior IT Systems Administrator, you will serve as a key technical leader and Subject Matter Expert for our collaborative platforms-especially the full Atlassian suite

Full-time

OT Systems Administrator

Appleton, Wisconsin

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Description Robert Half is partnering with a manufacturing company in the Appleton/Neenah area to help them hire an Operational Technology (OT) Systems Administrator. This role will support and help modernize the infrastructure that runs its production environment. You'll focus on the servers, networking, and supporting technologies behind critical manufacturing systems rather than end-user support. The company is in the early stages of a significant OT modernization effort that includes networ

Easy Apply

Full-time

USD 80,000.00 - 110,000.00 per year

Systems Administrator

Austin, Texas

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Full-time

USD 100,000.00 - 120,000.00 per year