Senior IT Systems Administrator jobs

Wireless and Network Systems Administrator - Information Technology Services

San Luis Obispo, California

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Today

Job Summary Positions in the Network and Communications Analyst series design, implement, and maintain enterprise-class networking equipment (including software-defined networks), network enabling services, architecture, configuration as well as associated network and telephone structured cabling systems. Performs support of enterprise data networks and equipment that provides the connectivity for all IT devices, telecommunications equipment, applications, LAN /WAN, cloud services, and the inter

Sponsored

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Full-time

100,000 - 120,000

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 IT Systems Administrator

Boston, Massachusetts

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3d ago

SoftBank Robotics America is looking for a hands-on IT Systems Administrator to own day-to-day IT operations for our ~60-person organization. This is a foundational role for someone who takes pride in keeping IT running smoothly, communicates well with non-technical teammates, and is curious about how tools and workflows can be made smarter over time. You will be the primary IT resource for our team, supporting everything from laptop setup and account provisioning to SaaS administration and vend

Full-time

Depends on Experience

Senior IT Systems Engineer

Ashville, Ohio

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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 126,000.00 - 167,000.00 per year

IT Systems Administrator

San Marcos, California

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Today

Description We are looking for an IT Systems Administrator to provide onsite technical support for a mission-driven nonprofit serving children, youth, and families in California. This long-term contract position is ideal for a hands-on, detail-focused individual who can balance daily user support with infrastructure administration in a Microsoft-centered environment. The role will act as a key technology resource for staff, helping maintain reliable systems that support both office-based and dis

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Contract

USD 31.66 - 36.66 per hour

IT Systems Administrator

Anaheim, California

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Today

Job ID: 2613359 Location: Anaheim, CA, US Date Posted: 2026-06-04 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_HYBRID Description SAIC is hiring for a Systems Administrator in Anaheim, CA. This is a remote role. Role and responsibilities: The Systems Administrator is responsible for the administration, maintenance

Full-time

USD 80,001.00 - 120,000.00 per year

IT - Systems Administrator III

Raleigh, North Carolina

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Today

Job#: 3038486 Job Description: IT - Systems Administrator Location: Raleigh, North Carolina (Onsite) Role Overview We are seeking a Certified ServiceNow Platform Administrator / Architect with demonstrated experience in ServiceNow administration, configuration, and architectural support. The ideal candidate will provide day-to-day platform administration, user support, configuration management, and architectural guidance to ensure the platform effectively supports business operations and IT

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Full-time

$45 - $55 per hour

Mid IT Systems Administrator

San Diego, California

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Today

Job Number: R0241905 IT Systems Administrator, Mid The Opportunity: Your combination of people skills and system administrator knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the te chn ology supporting the U.S. Navy? We're looking for a system administrator with a background in VMware, Windows Server, Exchange, Active Directory, Network Attached Storage, and Amazon Web Services to help us build next gen sof tware for the U.S.

Full-time

USD 61,900.00 - 141,000.00 per year

Senior IT Systems Engineer, AI

New York, New York

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Today

Who We Are At Justworks, you'll enjoy a welcoming and casual environment, great benefits, wellness program offerings, company retreats, and the ability to interact with and learn from leaders in the startup community. We work hard and care about our most prized asset - our people. We're helping businesses get off the ground by enabling them to focus on running their business. We solve HR issues. We're data-driven and never stop iterating. If you'd like to work in a supportive, entrepreneurial

Full-time

USD 147,000.00 - 190,000.00 per year

IT Systems Administrator

Grapevine, Texas

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5d ago

Immediate and Contract to Perm opening for an IT Systems Administrator to support and optimize complex enterprise infrastructure environment.This role is ideal for a hands-on infrastructure professional with expertise in Windows Server administration, networking, virtualization, automation, and enterprise security. You'll play a key role in maintaining highly available, secure, and scalable IT systems while supporting critical business operations. *This role is onsite in Grapevine, TX* Overview

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Contract

$50 - $60

IT Systems Administrator (Direct Hire)

Hybrid in Dallas, Texas

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3d ago

Dexter Technologies Inc. is a leading provider of Staffing and Recruiting Services. For over two decades, we have put countless professionals to work at exciting opportunities. We are proud of the fact that many of them have been promoted to more senior roles: management, senior management, and senior executive leadership positions. We are actively seeking qualified candidates for the following position for our client, who has been recognized as one of the fastest growing firms in the architectu

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Full-time

Depends on Experience

IT Systems Administrator

Piqua, Ohio

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Yesterday

Description: Hartzell Propeller, founded in 1917 and headquartered in Piqua, Ohio, is the global leader in advanced aircraft propeller design and manufacturing for general aviation. The company supports both piston-engine and turboprop aircraft and provides custom propulsion solutions for electric, hybrid-electric, and advanced air mobility programs. Hartzell has continued to expand its capabilities through strategic acquisitions, including Tanis Aircraft Products in 2021 and Whirlwind Propelle

Full-time

IT Systems Administrator

Colorado

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Yesterday

Systems Administrator Contract Colorado Springs (100% onsite) - local candidates Key Responsibilities: Active Directory & Windows Systems Administer and support Active Directory, including Group Policy, replication, permissions, and security. Troubleshoot and resolve AD and Windows Server issues using best practices. Provide knowledge-sharing and technical guidance to IT team members. Backup/Restore, and System Administration Monitor and respond to system alerts and logs. Support enterprise bac

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Contract

IT Systems Administrator

Houston, Texas

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Yesterday

Required Qualifications7+ years of Systems Administration or IT Infrastructure experienceExperience supporting ERP systems in a manufacturing environmentMicrosoft 365 administration experienceSQL Server and T-SQL knowledgeStrong troubleshooting and customer support skillsExperience supporting Windows-based enterprise environmentsAbility to prioritize multiple projects in a fast-paced environmentPreferred QualificationsManufacturing or job-shop industry experienceSSRS reporting experienceVisual S

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Full-time

Depends on Experience

IT Systems Administrator

Houston, Texas

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11d ago

Hello, Please find the below requirement and let me know your thoughts Position: IT Systems Administrator Location: HOUSTON, TX Duration: Full Time SHOULD WORK AT SITE IN HOUSTON, TX Schedule: MondayFriday AT WORK SITE IN HOUSTON Salary Range: Starting at $95,000 + DOE+ Annual Bonus. Job Summary The IT Systems Administrator is responsible for maintaining all computer networks, information systems, and ERP infrastructure. This role ensures daily system health, provides hands on help desk suppo

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Full-time

Up to 95,000

Senior IT Systems Administrator

San Francisco, California

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Today

At Perplexity, we're changing how the world finds answers. In 2026, we launched Computer, the defining product for the new era of agentic AI. Millions of people now use Perplexity to transform knowledge into action, and behind all of that sits the technology infrastructure that keeps a fast-moving company running. We're looking for an IT Systems Administrator who wants to do more than keep the lights on. This is an early, high-impact role where you'll build the systems and automations that let

Full-time

USD 150,000.00 - 180,000.00 per year

IT Systems Administrator

Juneau, Alaska

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Today

Salary: $3,813.75 Biweekly Location : Juneau, AK Job Type: Full Time Job Number: 54369 Department: Governor's Office Division: DAS-Administrative Services Opening Date: 06/23/2026 Closing Date: 7/22/2026 5:00 PM Alaska Position Open To: All Applicants Bargaining Unit: Exempt Range: 22 Job Description The Office of the Governor, Division of Administrative Services is looking for an IT Systems Administrator to join our team in Juneau! The Office of the Governor (GOV) Information Technology team is

Full-time

USD 3,813.75 per week

IT Systems Administrator

Chicago, Illinois

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Today

City Colleges of Chicago's vision is to be recognized as the city's most accessible higher education engine of socioeconomic mobility and racial equity - empowering all Chicagoans to take part in building a stronger and more just city. The community college system's more than 3,500 faculty and staff serve more than 60,000 students annually at seven colleges and five satellite sites. The Office of Information Technology (OIT) supports student success by providing a reliable and innovative techno

Full-time

USD 81,085.00 - 89,193.50 per year

IT Systems Administrator

Cambridge, Massachusetts

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Today

Who We Are Flagship Pioneering is a biotechnology company that invents and builds platform companies that change the world. We bring together the greatest scientific minds with entrepreneurial company builders and assemble the capital to allow them to take courageous leaps. Those big leaps in human health and sustainability exponentially accelerate scientific progress in areas ranging from cancer detection and treatment to nature-positive agriculture. What sets Flagship apart is our ability to

Full-time

USD 76,000.00 - 104,500.00 per year

IT Systems Administrator

Scottsdale, Arizona

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Today

Basic Qualifications Bachelor's degree in a related specialized area or equivalent is required plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience. CLEARANCE REQUIREMENTS: Department of Defense TS/SCI security clearance with Polygraph is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the

Full-time

USD 111,881.00 - 124,118.00 per year

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Senior IT Systems Administrator jobs