Senior it systems administrator jobs

Houston, Texas

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Today

Energy Transfer, a Fortune 50 organization, recognized by Forbes as one of America's best large employers, is dedicated to responsibly and safely delivering America's energy. We are driven to inspire our employees to create superior value for our customers, our investors, a sustainable future and giving back to the community where we have long-standing commitments to causes including MD Anderson Children's Cancer Hospital, The Salvation Army, American Heart Association, Ronald McDonald House and

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Full-time

Sr. IT Systems Administrator, IT Applications

Memphis, Tennessee

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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, 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

Sr. IT Systems Administrator, Mission Systems

California

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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, 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

Sr. IT Systems Administrator, IT Applications

McGregor, Texas

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Today

Full-time

IT System Administration - Senior/Specialist (ServiceNow System Administrator )

Remote or Olympia, Washington

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Today

Salary: $94,620.00 - $127,248.00 Annually Location : Thurston County - Olympia, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 2026-08113 Department: Dept of Children, Youth, and Families Division: Information Technology Opening Date: 11/05/2026 Closing Date: 11/19/2026 11:59 PM Pacific Description Our vision is to ensure that "Washington state's children and youth grow up safe and healthy -thriving physically, emotionally, and academically, nurtured by family

Full-time

USD 94,620.00 - 127,248.00 per year

IT Manager/Senior Systems Administrator

New York, New York

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3d ago

3Core Systems, Inc is an SAP and SuccessFactors Partner with employees located across the United States. Our organization is dedicated to customer and employee satisfaction. We provide High Quality, cost-efficient, and Competitive Solutions and Resources. 3Core Systems is looking for an IT Manager/Senior Systems Administrator for one of our clients in NYC or CT | Onsite 5 Days/Week "US and those authorized to work in the US are encouraged to apply. We are unable to sponsor visas at this time" Ro

Easy Apply

Full-time

Depends on Experience

Senior Systems Administrator, IT Applications

Remote or Hybrid in Manila, Metro Manila

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Today

Why Ryan? Flexible Work EnvironmentAward-Winning CultureWorld-Class Benefits and CompensationAccelerated Career PathCommunity OutreachMentorship OpportunitiesWellness-Centric Benefits The Senior Systems Analyst, ITSM, works under the direction of the IT Service Management Administrator to analyze business needs and deliver optimal solutions using ITSM best practices and tools, including the Ivanti suite. This role is critical in ensuring ITSM processes are effectively implemented, aligned with

Full-time

Senior Systems Administrator, IT Applications

Remote or Hybrid in Hyderabad, Telangana

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Today

Why Ryan? Global Award-Winning CultureFlexible Work EnvironmentGenerous Paid Time OffWorld-Class Benefits and CompensationRapid Growth OpportunitiesCompany Sponsored Two-Way TransportationExponential Career Growth The Senior Systems Administrator, ITSM, analyzes business requirements and delivers optimal solutions using ITSM best practices and tools, including the Ivanti suite. This role is critical in ensuring ITSM processes are effectively implemented, aligned with business goals, and adhere

Full-time

Senior IT Systems Administrator (Azure Windows Admin)

Washington, District of Columbia

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Today

CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage-domain dominance. The company's products are powered by Coherent Distributed Networks (CDN ), empowering warfighters, commercial air operators, and border protection teams to act faster, adapt rapidly, and stay ahead of evolving threats. CHAOS Industries was founded in 2022 and has raised a total of $1 billion in funding from leading investors, including 8VC, Accel, and Valor Equity Par

Full-time

USD 140,000.00 - 200,000.00 per year

Senior IT Systems Administrator (Azure Windows Admin)

El Segundo, California

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Today

Full-time

USD 140,000.00 - 200,000.00 per year

Senior IT Systems Administrator

Remote or New York, New York

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Today

Circle (NYSE: CRCL) is one of the world's leading internet financial platform companies, building the foundation of a more open, global economy through digital assets, payment applications, and programmable blockchain infrastructure. Circle's platform includes the world's largest regulated stablecoin network anchored by USDC, Circle Payments Network for global money movement, and Arc, an enterprise-grade blockchain designed to become the Economic OS for the internet. Enterprises, financial insti

Full-time

USD 112,500.00 - 134,167.00 per year

Senior IT Systems Administrator I

Mountain View, California

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Today

Harness is the AI Software Delivery Platform company, led by technologist and entrepreneur Jyoti Bansal (founder of AppDynamics, acquired by Cisco for $3.7B). Harness has raised approximately $570M in funding and is valued at $5.5B, backed by leading investors including Goldman Sachs, Menlo Ventures, IVP, Unusual Ventures, Citi Ventures, and more. As AI accelerates code creation, the real bottleneck has shifted to everything after the code - testing, deployments, application security, reliabilit

Full-time

USD 115,000.00 - 130,000.00 per year

IT Sr PACS Systems Administrator

Omaha, Nebraska

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Today

Where You'll Work Inspired by faith. Driven by innovation. Powered by humankindness. CommonSpirit Health is building a healthier future for all through its integrated health services. As one of the nation's largest nonprofit Catholic healthcare organizations, CommonSpirit Health delivers more than 20 million patient encounters annually through more than 2,300 clinics, care sites and 137 hospital-based locations, in addition to its home-based services and virtual care offerings. CommonSpirit has

Full-time

USD 42.17 - 62.73 per hour

Sr. IT Systems Administrator I (II)

Audubon, Pennsylvania

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Today

Flexible Work Arrangement: Hybrid - Audubon, PA We are seeking a skilled Microsoft Systems Administrator to join our team and play a critical role in managing, securing, and optimizing our Windows-based and cloud-integrated infrastructure, with a strong emphasis on compliance with NERC CIP (North American Electric Reliability Corporation Critical Infrastructure Protection) standards. The ideal candidate will have deep experience with Windows Server administration, Active Directory, Entra ID, Az

Full-time

Senior Systems Administrator, Information Technology

South Burlington, Vermont

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Today

At BETA Technologies, we apply our intellectual curiosity, passion for aviation, and commitment to sustainability toward a shared mission of revolutionizing electric aviation. Regardless of the position one holds, each team member brings their talent and desire to positively impact the environment and lives of others in a refreshing, vibrant, and inclusive culture. We are actively seeking a skilled Systems Administrator to join our IT support team. Your responsibilities will include maintaining

Full-time

USD 100,000.00 - 120,000.00 per year

IT Support Team Lead / Senior Systems Administrator

Scott Air Force Base, Illinois

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Today

Overview: Job Title: IT Support Team Lead / Senior Systems Administrator Security Clearance: Secret (or higher) Location: Scott AFB, IL (Due to the nature of the work and contract requirements, U.S. Citizenship is required.) Description: C3EL is seeking an IT Support Team Lead / Senior Systems Administrator to support our mission at Scott Air Force Base in Illinois. The professional will lead day-to-day team support while remaining a hands-on technical contributor. This position coordinate

Full-time

Sr. IT Analyst, Administrative Systems Management (HR/Payroll)

Durham, North Carolina

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Today

Be You. Be Bold. Choose Duke. Senior IT Analyst, Administrative Systems Management (HR/Payroll) Be You. At Duke, you'll have the opportunity to make a direct impact on the technology and business processes that support thousands of faculty, staff, and healthcare employees. As a Senior IT Analyst within Administrative Systems Management (ASM), Duke's SAP Center of Excellence, you will serve as a key functional expert supporting recruiting, onboarding, and human resources technology initiatives

Full-time

IT Technician, Tier 3 Senior Systems & Network Engineer, MS Azure and MS Intune Required, Onsite in Mount Prospect, IL - M

Mount Prospect, Illinois

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3d ago

IT Technician, Tier 3 Senior Systems & Network Engineer, MS Azure and MS Intune Required, Onsite in Mount Prospect, IL As an onsite IT Technician, Tier 3 Senior Systems & Network Engineer, you will serve as the highest level of technical escalation within the IT department. This role carries a dual mandate: maintaining the reliability, performance, and security of existing infrastructure, and engineering new solutions that support business growth and modernization. You will handle complex techn

Easy Apply

Full-time

80,000 - 100,000

IT Technician, Tier 3 Senior Systems & Network Engineer, MS Azure and MS Intune Required, Onsite in Mount Prospect, IL - M

Mount Prospect, Illinois

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3d ago

Easy Apply

Full-time

80000 - 100,000

Computer Systems Administrator III - IT Ops Systems - Hybrid

Anchorage, Alaska

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Today

The Alaska Native Tribal Health Consortium is a non-profit Tribal health organization designed to meet the unique health needs of Alaska Native and American Indian people living in Alaska. In partnership with the more than 171,000 Alaska Native and American Indian people that we serve and the Tribal health organizations of the Alaska Tribal Health System, ANTHC provides world-class health services, which include comprehensive medical services at the Alaska Native Medical Center, wellness program

Full-time

USD 49.02 - 61.27 per hour

IT Systems Administrator-Level 4 - Lead (15+ Years)

Houston, Texas

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Today

Job#: 3056492 Job Description: Lead Hybrid Infrastructure Administrator Location: Houston, Texas Role Overview This organization is seeking a highly skilled Lead Hybrid Infrastructure Administrator to manage, maintain, and modernize enterprise infrastructure across both on-premises and cloud environments. The successful candidate will direct IT strategy for global enterprise infrastructure, aligning systems with business goals and technology innovations. This pivotal position ensures the reli

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Full-time

$54 - $64 per hour