Senior IT Systems Administrator jobs

Juno Beach, Florida

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Today

Description We are looking for an experienced IT Systems Administrator-Level 3 to join our team on a long-term contract basis in Juno Beach, Florida. In this role, you will manage and optimize enterprise IT infrastructure, ensuring operational efficiency, robust cybersecurity measures, and compliance with industry standards. The ideal candidate will bring advanced expertise in system architecture, cloud technology, virtualization platforms, and infrastructure security. Responsibilities: Manage

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Contract

USD 50.00 - 53.00 per hour

IT Systems Administrator

Upland, California

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Today

We are hiring a IT System Administrator to start with a well established Property Management/Land development company in Upland, CA. This is a Direct Hire position, Hybrid Outside in Upland (4 days a week on site) We are looking for someone with 4 to 5 years of experience overall in IT; specifically with 2 to 3 years of escalting IT support experience and 1 to 2 years of System/Network Administration experience within a professional setting We are looking for someone who has hands on experienc

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Full-time

$75000.00 - $85000.00 per annum

Lead IT Systems Administrator, Launch

Hawthorne, 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. LEAD IT SYSTEMS ADMINISTRATOR (LAUNCH) As the Lead IT Systems Administrator, you're responsible for ensuring all IT procedures and systems supporting SpaceX's launch operations are optimally tuned and ready to propel u

Full-time

USD 105,000.00 - 140,000.00 per year

Sr. IT Systems Engineer

California

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Today

Our Mission At Palo Alto Networks , we're united by a shared mission-to protect our digital way of life. We thrive at the intersection of innovation and impact, solving real-world problems with cutting-edge technology and bold thinking. Here, everyone has a voice, and every idea counts. If you're ready to do the most meaningful work of your career alongside people who are just as passionate as you are, you're in the right place. Who We Are In order to be the cybersecurity partner of choice, w

Full-time

USD 93,000.00 - 150,500.00 per year

IT Systems Administrator, Launch

Cape Canaveral, Florida

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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. IT SYSTEMS ADMINISTRATOR, LAUNCH SpaceX is looking for a highly skilled and knowledgeable IT Systems Administrator to support the networking, compute administration, and application support needs of our launch environm

Full-time

IT Systems Administrator, Launch

Texas

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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. IT SYSTEMS ADMINISTRATOR, LAUNCH SpaceX is looking for a highly skilled and knowledgeable IT Systems Administrator to support the networking, compute administration, and application support needs of our launch environm

Full-time

IT Systems Administrator

Irving, Texas

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13d ago

Minimum Qualifications: Bachelor s Degree or equivalent experience. 3+ years of experience in various IT engineering and operations disciplines including Windows Server administration, email administration, backup systems, monitoring and alerting systems, storage device management, desktop support, and Active Directory/identity management. Established experience and a passion for providing exceptional customer service. Confidence interacting with a wide range of people from clerical staff, oper

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Contract

$100,000 - $120,000

IT Systems Administrator

Dedham, Massachusetts

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13d ago

IT Systems AdministratorOur client, a leading federal defense contractor has an immediate opening for an IT Systems Administrator with an active Secret clearance to work onsite at their office in Dedham, MA. You will be responsible for maintaining and supporting the company's technology infrastructure. This includes installing and updating software, managing servers and networks, and troubleshooting any technical issues. You may also be involved in security efforts, ensuring data protection and

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Contract

55 - 65

IT Systems Administrator

Hudson, New Hampshire

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Today

Job Description Job Summary: The IT Support Administrator provides hands-on technical support for Windows-based systems and assists with day-to-day site operations. This role is ideal for an early-career IT professional eager to grow their expertise in system administration, desktop support, and infrastructure operations. The position will support both end-user computing and basic server/network tasks across the site. Duties & Responsibilities: Windows System Administration Assist in mainta

Full-time

USD 25.00 - 35.00 per hour

Senior IT Systems Technician

Berkley, Colorado

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Today

Date Posted: 2026-02-24 Country: United States of America Location: US-CO-BUCKLEY-SFB-CUST ~ 18500 E 6th Ave ~ BUCKLEY SFB (External Site) Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: TS/SCI with CI Poly - Current Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of

Full-time

USD 68,900.00 per year

IT Systems Administrator Sr

Seattle, Washington

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25d ago

By joining Sedgwick, you'll be part of something truly meaningful. It's what our 33,000 colleagues do every day for people around the world who are facing the unexpected. We invite you to grow your career with us, experience our caring culture, and enjoy work-life balance. Here, there's no limit to what you can achieve. Newsweek Recognizes Sedgwick as America's Greatest Workplaces National Top Companies Certified as a Great Place to Work Fortune Best Workplaces in Financial Services & Insurance

Full-time

USD 95,000.00 - 100,000.00 per year

IT Systems Administrator Sr

Washington

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Today

Full-time

USD 95,000.00 - 100,000.00 per year

IT Systems Administrator (Hanover, MD)

Maryland

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Today

Come work for us! We are looking for dedicated employees to join our team to help our customers have the best experience possible every time they enter a DTLR store. Our employees are key to our success. The Systems Administrator maintains and supports enterprise systems across retail store locations, corporate offices, and distribution environments. This role ensures system stability, security, and performance while supporting technology initiatives that improve operational efficiency. Duti

Full-time

USD 70,000.00 - 75,000.00 per year

Senior IT Systems Engineer

Costa Mesa, 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 166,000.00 - 220,000.00 per year

Senior IT Systems Engineer

Hybrid in Hamilton Township, New Jersey

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11d ago

Senior IT Systems Engineer Onsite 4-5x per week Location: Hamilton, NJ Direct Hire Position The IT Systems Engineer is responsible for designing, implementing, and managing the organization's systems infrastructure to ensure security, reliability, and optimal performance. This role focuses on maintaining standards, improving systems, and supporting business continuity. Key Responsibilities: Design, implement, and manage enterprise production systems, including servers (physical/virtual), work

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Full-time

$120000 - $140000

IT Systems Administrator - Millennium Space Systems

El Segundo, California

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Today

IT Systems Administrator - Millennium Space Systems Company: Millennium Space Systems Millennium Space Systems, 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 the stat

Full-time

USD 116,450.00 - 171,250.00 per year

IT Systems Administrator- 5 days onsite New York, NY

New York, New York

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Today

IT Systems Administrator We are looking for a seasoned IT Systems Administrator to join a fast-growing team redefining how people discover and engage with information online. As an early addition to this critical function, you'll play a foundational role in building, scaling, and strengthening the company's technology infrastructure from day one. The company is located in New York, NY and will be 5 days onsite. This position is going to be a 3-month contract-to-hire. What You Will Be Doing: Acq

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Contract

$75 - $80

Information Technology (IT) Systems Administrator (Systems Application Analyst 3) - 27302

Mountain View, Arkansas

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Yesterday

Requisition Number: 27302 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $96,278.00 - $125,000.00 Security Clearance: Secret Level of Experience: Mid Meet HII's Mission Technologies Division Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense - the data evolution - by accelera

Full-time

USD 96,278.00 - 125,000.00 per year

IT Systems Administrator-Level 2 - Experienced (6 - 10 Years)

Juno Beach, Florida

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Today

Job#: 3024233 Job Description: Senior Systems Administrator - Exchange Online & Messaging Job Summary The Senior Systems Administrator supports Exchange Online messaging services with a primary focus on end user experience, timely issue resolution, and consistent delivery of Outlook and email services across the organization. This role emphasizes service reliability, operational continuity, and user support to ensure employees can communicate effectively and securely. Key Responsibilities Ex

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Full-time

Senior IT Systems Engineer, Storage and Infrastructure

Long Beach, California

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Today

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex

Full-time

USD 128,000.00 - 176,000.00 per year

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Senior IT Systems Administrator jobs