Senior Systems Administrator jobs

Chantilly, Virginia

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Today

This is a HYBRID role in Chantilly, VA. Candidates must be local to the DC area. We are seeking an experienced Senior Systems Administrator with strong expertise in enterprise storage, backup solutions, virtualization platforms, and Windows-based infrastructure. This role is responsible for designing, managing, optimizing, and supporting mission-critical IT systems in a highly available environment. This position requires both hands-on technical expertise and the ability to work across teams t

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Senior Systems Administrator

Santa Ana, California

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Today

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Full-time

USD 146,000.00 - 194,000.00 per year

Senior Systems Administrator

Ashville, Ohio

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Today

Full-time

USD 87,000.00 - 149,000.00 per year

Senior Systems Administrator

Arnold, Missouri

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Today

Job ID: 2612332 Location: Arnold, MO, US Date Posted: 2026-05-07 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: TS/SCI with Poly Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Senior Systems Engineer to maintain and upgrade customer Linux, Windows, and cloud systems in a secure environment. Duties include but are not limited to

Full-time

Senior Systems Administrator -Project Cost Systems

Virginia

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12d ago

Venture Global LNG ("Venture Global") is a long-term, low-cost provider of American-produced liquefied natural gas. The company's Louisiana-based export projects service the global demand for North American natural gas and support the long-term development of clean and reliable North American energy supplies. Using reliable, proven technology in an innovative plant design configuration, Venture Global's modular, mid-scale plant design will replace traditional designs as it allows for the same ef

Full-time

Senior Systems Administrator

Birmingham, Alabama

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Today

Description We are looking for a Senior Systems Administrator to support and enhance enterprise infrastructure in Birmingham, Alabama. This role is ideal for a hands-on, detail-oriented individual who brings deep experience with virtualized environments, Windows-based systems, and high-touch technical support for business-critical operations. The position will focus on maintaining reliable server performance, strengthening system availability, and resolving complex infrastructure issues across p

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Full-time

USD 115,000.00 - 140,000.00 per year

Senior Systems Administrator

Wright-Patterson Air Force Base, Ohio

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Today

Job Number: R0240583 Systems Administrator, Senior The Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Air Force. We're looking for a system administrator deep expertise in Linux systems, container orchestration such as Kubernetes, and automation such as Ansible. The ideal candidate will bridge the gap between complex technical

Full-time

USD 77,500.00 - 176,000.00 per year

Sr Systems Administrator

Reston, Virginia

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Today

Job#: 2091542 Job Description: Sr Systems Administrator Location: Reston, Virginia (On-site) Role Overview We are seeking a Senior Systems Administrator to support a long-term contract. The successful candidate will be responsible for planning, designing, and implementing infrastructure changes and system upgrades. This role involves providing expert-level support and mentoring for other System Administrator personnel while ensuring the stability and integrity of enterprise-level virtual inf

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Full-time

Senior Systems Administrator

Savannah, Georgia

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Today

Description The Senior Systems Administrator will manage and support the organization's on-prem infrastructure, including servers, storage, virtualization, and backup systems. This individual will serve as a Senior escalation point for complex issues, contribute to operational stability, and lead or support infrastructure projects. Key Responsibilities -Administer and maintain Windows Server environments (2012-2022). -Manage VMware virtualization across ~800 virtual servers and ~1,000 virtual de

Full-time

Compensation information provided in the description

Sr. Systems Administrator

Savannah, Georgia

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Today

The Senior Systems Administrator will manage and support the organization's on-prem infrastructure, including servers, storage, virtualization, and backup systems. This individual will serve as a Senior escalation point for complex issues, contribute to operational stability, and lead or support infrastructure projects. Key Responsibilities -Administer and maintain Windows Server environments (2012-2022). -Manage VMware virtualization across ~800 virtual servers and ~1,000 virtual desktops. -Ove

Full-time

Compensation information provided in the description

Sr Systems Administrator

Reston, Virginia

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Today

Be Challenged and Make a Difference In a world of technology, people make the difference. We believe if we invest in great people, then great things will happen. At AnaVation, we provide unmatched value to our customers and employees through innovative solutions and an engaging culture. Description of Task to be Performed: AnaVation is seeking a Sr Systems Administrator to join our team and support our mission critical customer in Reston, VA. As a Sr Systems Administrator you will: Plan, desig

Full-time

Senior Systems Administrator

Providence, Rhode Island

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Today

Location: Providence, RI Salary: $50.00 USD Hourly - $55.00 USD Hourly Description: Job Title: Senior Systems Administrator Location: Remote EST Hours Type: Contract 6+ Months Job Summary: The Senior Systems Administrator supports, maintains, and enhances enterprise IT systems across on-premises and cloud environments. This role leads IT project delivery efforts, resolves complex technical issues, and develops system standards and best practices. The position requires strong expertise in

Contract

USD 50.00 - 55.00 per hour

Senior-level Systems Administrator (Cloud)

Tallahassee, Florida

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Today

job summary: Scope of Services The Office of Information Technology (OIT), is in search of a Systems Administrator to play a key role in assisting the OIT in the oversight, management, troubleshooting, and execution of cloud services and platforms to support infrastructure, applications, data, and other business needs. The duties of this position can be broad and may include such tasks as adding and removing individuals from the list of authorized users, archiving files, overseeing password pro

Contract

USD60 - USD70

Senior Systems Administrator

Quantico, Virginia

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5d ago

DivIHN (pronounced divine) is a CMMI ML3-certified Technology and Talent solutions firm. Driven by a unique Purpose, Culture, and Value Delivery Model, we enable meaningful connections between talented professionals and forward-thinking organizations. Since our formation in 2002, organizations across commercial and public sectors have been trusting us to help build their teams with exceptional temporary and permanent talent. Visit us at to learn more and view our open positions. Please apply o

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Full-time, Third Party

Depends on Experience

Senior Cloud Systems Administrator

Upper Marlboro, Maryland

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Today

Job ID: 2611897 Location: Upper Marlboro, MD, US Date Posted: 2026-04-27 Category: Information Technology Subcategory: Cloud Comp Engr Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is seeking a highly motivated Senior Cloud Systems Administrator to join our expanding, multi-disciplined team of professionals at our Identity and Data Sciences Labor

Full-time

USD 80,001.00 - 120,000.00 per year

Senior Systems Administrator

Baton Rouge, Louisiana

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9d ago

Job Overview A-B Solutions is seeking a highly experienced Senior Systems & Infrastructure Engineer to support enterprise infrastructure modernization, virtualization, server management, network architecture, and disaster recovery initiatives. This role is responsible for designing and managing complex server and network environments while ensuring high availability, security, scalability, and operational efficiency across enterprise systems.The ideal candidate will possess extensive experience

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Contract

90 - 115

Senior IT Systems Administrator

Remote or Olympia, Washington

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Today

Salary: $99,348.00 - $133,608.00 Annually Location : Thurston County - Olympia, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 2026-0090 Department: Board of Industrial Insurance Appeals Opening Date: 06/05/2026 Closing Date: 6/21/2026 11:59 PM Pacific Description The Board of Industrial Insurance Appeals (BIIA) is offering a challenging and rewarding opportunity for the right individual to make a difference through serving the state of Washington. Our employee

Full-time

USD 99,348.00 - 133,608.00 per year

Sr. Microsoft Systems Administrator

Boston, Massachusetts

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Today

Software Guidance & Assistance, Inc., (SGA), is searching for a Sr. Microsoft Systems Administrator for a contract assignment with one of our premier Infrastructure Services clients. This role will be remote. The Sr. Microsoft Systems Administrator will manage and secure our Microsoft 365 and Azure environments. Responsible for the Microsoft 365 and Zoom incl. Telephony environments. The role supports the onboarding and integration of multiple acquired firms, including data transfers utilizi

Contract

USD 67.87 - 67.87 per hour

Senior Systems Administrator

New York, New York

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Today

Job Title: Senior Systems Administrator Location: 4-5 Days On-Site, NYC *Must be located/authorized to work in the US without visa sponsorship or transfer now or in the future. No C2C inquiries, please* The Role This team is looking for a senior Systems Administrator with deep expertise in Windows environments and Microsoft cloud technologies to take ownership of day-to-day IT operations. This person will be a hands-on technical lead, responsible for maintaining stability, driving improvements,

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Full-time

$160000 - $210000

Sr. Linux Systems Administrator

Houston, Texas

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Yesterday

NAVA Software solutions is looking for a Sr. Linux Systems Administrator Details: Sr. Linux Systems Administrator Location: Houston TX - 4 days/week onsite Duration: 6 -12 months CTH Seeking a Senior Linux Systems Administrator to support our System Administration team. This position requires a true senior engineer who is deeply technical, highly autonomous, and capable of co-owning Linux platform standards, automation direction, and operational excellence alongside the existing senior Linux

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Contract, Third Party

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Senior Systems Administrator jobs