Senior systems administrator jobs

Irvine, California

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Today

Hi Good Morning, Title: Senior Systems Administrator Location: Irvine, CA - Onsite *Duration: 12+ Months Job Description: * The Senior Systems Administrator is a senior technical role focused on the successful execution of complex data center projects. This individual will be responsible for understanding client data center environments, working closely with their technical teams, and independently leading projects to successful completion. The ideal candidate will have deep, hands-on expertis

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Contract

Senior Systems Administrator

Huntsville, Alabama

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Today

Job ID: 2614937 Location: Huntsville, AL, US Date Posted: 2026-07-27 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: Yes - 50% 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 Senior Systems Administrator located in Huntsville, AL to support USPACOM to enhance and upgrade a myriad of applications and services, in an

Full-time

Senior Systems Administrator

Pearl City, Hawaii

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Today

Job ID: 2614511 Location: Pearl City, HI, US Date Posted: 2026-07-13 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: No 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 Senior Systems Administrator located on Ford Island in Hawaii to support the HQ USINDOPACOM J76, K. Mark Takai Pacific Warfighting Center to enhance and upgrade

Full-time

USD 120,001.00 - 160,000.00 per year

Senior Systems Administrator

TRIPLER AMC, Hawaii

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Today

Job#: 3045059 Job Description: Senior Systems Administrator Location: TRIPLER AMC, Hawaii (Onsite) Role Overview We are seeking a Senior Systems Administrator to handle the day-to-day operations for systems at a client site. This role involves working closely with a laboratory environment and requires a candidate who can operate independently as a stand-alone systems administrator. The position focuses on maintaining security protocols and action plans, including running STIG checklists and p

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Full-time

$62 - $62 per hour

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

Dahlgren, Virginia

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Today

Job Number: R0244710 Systems Administrator, Senior 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 supporting the Department of Defense? We're looking for a systems administrator who specializes in Linux to help us deploy and maintain Linux based analytical platforms. As a systems administrator on our project, you'll deploy and harden operating sys

Full-time

USD 77,500.00 - 176,000.00 per year

Senior Systems Administrator

Janesville, Wisconsin

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Today

Description Robert Half is partnering with our client in the Janesville area to hire an experienced Senior Systems Administrator to support and enhance a complex enterprise IT infrastructure. This is a hands-on senior-level role responsible for maintaining highly available server, cloud, storage, and network environments while serving as the primary escalation point for complex infrastructure issues. The ideal candidate brings deep Microsoft infrastructure expertise, strong networking experience

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Full-time

USD 90,000.00 - 130,000.00 per year

Sr. Systems Administrator / Help Desk Engineer

Gaithersburg, Maryland

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Today

Req ID: 41427 Summary Sr. Systems Administrator / Help Desk Engineer Gaithersburg, MD Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employers core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technolog

Full-time

USD 108,800.00 - 120,000.00 per year

Senior Systems Administrator

Houston, Texas

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Today

Description We are seeking an experienced Senior Systems Administrator to support and modernize enterprise infrastructure across both on-premises and cloud environments. This role is responsible for maintaining the reliability, security, scalability, and performance of critical IT systems while helping drive cloud adoption and infrastructure modernization initiatives. The ideal candidate will bring strong expertise in systems administration, virtualization, networking, storage, Active Directory

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Contract

USD 55.00 - 58.00 per hour

Sr. Systems Engineer | Florida | Cleared Systems Administrator

Orlando, Florida

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Today

Job Description Priority consideration will be given to qualified candidates who are currently affiliated with the Enterprise Operations' Enterprise Business & Digital Transformation (EBDT) organization. #EBDT Lockheed Martin's EBDT Classified IT Transformation team is modernizing the delivery of classified IT services for Business-Area partners and DoW programs. We seek an experienced System Engineer to join the Classified IT Center of Excellence (CoE). In this fast-paced, innovation-driven e

Full-time

USD 85,500.00 - 150,765.00 per year

Sr. IT Systems Administrator (Top Secret Clearance)

Washington, District of Columbia

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

Full-time

USD 95,000.00 - 120,000.00 per year

Senior Systems Administrator (Hybrid Cloud / Azure / AD / Exchange)

New York, New York

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Yesterday

Senior Systems Administrator (Hybrid Cloud / Azure / AD / Exchange) Contract - 37.5 hour work week Location: downtown NYC IN PERSON INTERVIEW REQUIRED THIS POSITION REQUIRES ONSITE WORK AND WEEKEND AVAILABILITY AS NEEDED. Client is seeking a Senior System Administrator role with extensive enterprise level experience in hybrid cloud/on premises environments. Only candidates with verified 10 years of Senior System Administrator experience in enterprise-level production environments. This candid

Full-time

Sr. Systems Administrator

Gaithersburg, Maryland

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Today

Brandywine Technology is an IT staffing company located in Wilmington, DE. We are committed to providing candidates with the highest level of personal attention. We are experts who get to know the candidate and our corporate customers on a personal level. This may seem extreme to other staffing companies, but we feel this is the only way to ensure success. SUMMARY Our direct customer is seeking a Sr. Systems Administrator to join their growing team. You will be providing senior level support for

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Full-time

100000 - 115000

Senior Systems Administrator

Tallahassee, Florida

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8d ago

Position: Sr. Systems Administrator - Windows, AWS & Azure Location: Tallahassee, FL Duration: 10+ Months [Extension Possible] Summary: We are seeking an experienced Senior Systems Administrator to support enterprise infrastructure and cloud environments for a large government organization. This role is responsible for administering, maintaining, monitoring, and troubleshooting Windows Server infrastructure, cloud platforms, enterprise applications, and supporting technologies. The ideal candid

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Full-time

60 - 66

Senior Systems Administrator

Hybrid in Cape Fear, North Carolina

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10d ago

HonorVet Technologies is a veteran-owned IT staffing firm, ISO 9001 and ISO 27001 certified, working with federal agencies, state governments, and Fortune 500 enterprise clients across the US. What makes us different isn''t a tagline it''s the way we work. We don''t forward resumes and hope for the best. We take the time to understand where a professional like you is headed and only reach out when we genuinely believe there''s a fit worth exploring. Job Title: Senior Systems Administrator Loca

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Contract

$42 - $45

Senior Systems Administrator in NYC

New York, New York

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10d ago

Senior Systems Administrator (only W2 Candidate) Location: NYC, NY (5 days onsite) Duration: Long Term Job Description- 10+ years of Senior System Administrator experience in enterprise-level production environments. This candidate must be capable of designing, implementing, and supporting complex infrastructure solutions across Azure, Exchange, Active Directory, and multi forest hybrid architectures. Only highly qualified candidates with 10+ years of verified senior level experience will be co

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Contract

60 - 65

Senior Windows Systems Administrator / Infrastructure Engineer

Salem, Oregon

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Today

Hi Please find my direct client job requirement for your consideration. Title: Senior Windows Systems Administrator / Infrastructure Engineer Locations: Salem OR Duration : 06 Months Scope of Work: The Oregon Department of Agriculture (ODA) is undertaking two major technology modernization initiatives: the Data Center Modernization (DCM) Project and the Mac to Windows Transition Project. These projects establish the foundation for ODA's enterprise technology strategy by modernizing identity se

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Contract

Depends on Experience

Senior Systems Administrator / Hybrid in North Dallas

Dallas, Texas

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Today

A well-established home construction and materials company in the North Dallas area is looking to bring on a Senior Systems Administrator for a full-time opportunity. This organization has been operating for decades, is publicly traded, and continues to grow as a leader in its space. The environment is primarily Microsoft-focused, with heavy use of Windows Server, Hyper-V, VMware, and cloud technologies such as Entra ID and Office 365. This role is a strong fit for someone who wants to take owne

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Full-time

$100000 - $115000

Senior Lab IT Systems Administrator, Onsite - 69608

Wilmington, Ohio

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Today

Senior Lab IT Systems Administrator, Onsite We have an immediate need for an experienced Lab Support Senior IT Administrator with strong expertise in IT infrastructure, systems administration, and regulated laboratory environments to support and maintain critical laboratory systems, IT infrastructure, and enterprise technologies. This is an onsite position in Wilmington, OH for a candidate with deep expertise in Microsoft Windows Administration, Active Directory, Group Policy (GPO), Privileged

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Contract

Senior CAD/PLM Systems Administrator

Morgan Hill, California

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24d ago

Role: Senior CAD/PLM Systems Administrator Location: Morgan Hill, CA (5 Days Onsite) Position Type: Contract Experience Required: 12+ Years Skills Required: Primary CAD Ecosystem (PTC Creo Parametric, SolidWorks , Autodesk suite, Onshape, )Product Lifecycle Management (PLM) & Data Governance (PTC Windchill , Oracle Agile)Industrial Design & Styling (Rhino , Alias)Rendering, Visualization & Immersive Review (KeyShot, 3ds Max, VR/AR Design Review Platforms)CAD Automation & Customization APIs (Pro/

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Contract, Third Party

Depends on Experience