senior systems administrator Jobs

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Senior Systems Administrator

Iridium Satellite LLC

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Grand Forks Air Force Base, North Dakota, USA

Full-time

Company Overview Iridium is an award-winning and innovative satellite communications company with bragging rights to the only network that offers voice and data connectivity anywhere in the world. For over 20 years, Iridium's unique network and services have supported critical communications needs for individuals, businesses, and the evolving Internet of Things. At Iridium, we understand the importance of staying connected and the limitations of traditional communications networks. People across
Posted 46 days ago | Updated 19 hours ago

Linux/Windows Senior Systems Administrator

Lockheed Martin Corporation

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San Diego, California, USA

Full-time

Job Description WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. WHAT WE'RE DOING At Lockheed Martin, we're revolutionizing the aerospace and defense sector through groundbreakin
Posted 9 days ago | Updated 11 hours ago

Senior Systems Administrator

Iridium Satellite LLC

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Redstone Arsenal, Alabama, USA

Full-time

Company Overview Iridium is an award-winning and innovative satellite communications company with bragging rights to the only network that offers voice and data connectivity anywhere in the world. For over 20 years, Iridium's unique network and services have supported critical communications needs for individuals, businesses, and the evolving Internet of Things. At Iridium, we understand the importance of staying connected and the limitations of traditional communications networks. People acros
Posted 46 days ago | Updated 19 hours ago

Senior Systems Administrator

US AI

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North Bethesda, Maryland, USA

Full-time

WHO WE ARE US AI stands as a forward-thinking digital transformation enterprise, dedicated to enabling individuals to achieve remarkable feats through cutting-edge technology. As a leader in Artificial Intelligence, Cybersecurity and Self-Healing Infrastructure, we are actively seeking top-tier talent to spearhead the commercialization of groundbreaking products and propel our business to new heights. If you're passionate about pushing the boundaries of what's possible in the digital realm, the
Posted 4 days ago | Updated 4 days ago

Senior Systems Administrator, Classified IT

Aduril Industries

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Washington, District of Columbia, USA

Full-time

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
Posted 22 days ago | Updated 11 hours ago

Sr. Systems Administrator (Microsoft O365 Suite)

Kforce Technology Staffing

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Remote or Portsmouth, New Hampshire, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Systems Administrator (Microsoft O365 Suite) in Portsmouth, NH. Summary: The client is seeking an experienced Senior Systems Administrator to lead the integration of acquired companies' backend systems into our existing infrastructure. These roles are critical to ensuring seamless transitions and maintaining operational continuity across platforms such as Slack, Microsoft 365, Jira/Confluence, and more. Key Responsibilities: * Lead
Posted 9 hours ago | Updated 4 hours ago

Senior Systems Administrator-Web Systems

Penske Truck Leasing

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Reading, Pennsylvania, USA

Full-time

You may know Penske for our big yellow trucks. But did you know we're an industry-leading technology innovation company? At Penske we have a 50-year history of leading the transportation and supply-chain industry, delivering world-class and award-winning technology solutions. And, it starts with our associates. No matter what your skills or technology stack, our IT team is for you. You'll work and grow alongside great people and on really cool projects. We inspire our IT experts to push the boun
Posted 60+ days ago | Updated 8 hours ago

Senior Systems Administrator

Booz Allen Hamilton

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Washington, District of Columbia, USA

Full-time

Job Number: R0221565 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 ( DoD ) ? We're looking for a senior systems administrator who spe cia lizes in networking and working within classified environments supporting agencies with a solid background in windows operating systems to help u
Posted 26 days ago | Updated 11 hours ago

Sr. Systems Administrator

Y & L Consulting Inc.

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San Antonio, Texas, USA

Full-time

NO VENDORS, PLEASE C_2_C_ CANDIDATES WILL NOT BE CONSIDERED Responsible for effective provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure. Participates in technical research and development to enable continuing innovation within the infrastructure and plays a key role in assisting with public cloud (e.g., Azure, AWS) related tasks and projects as part of the cloud integration initiatives. Ensures that system hardware, o
Easy Apply
Posted 1 day ago

Senior Systems Administrator

MVP Consulting Plus

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Tallahassee, Florida, USA

Full-time

Primary Job Duties/ Tasks The activities the candidate will be tasked with include, but are not limited to the following: 1. Support and expand DOT infrastructure. 2. Coordinate server configuration and administration with multiple parties (SDC, DOT, and contractors). 3. Make recommendations for future server and software upgrades. 4. Monitor systems and applications to ensure security, availability, and performance. 5. Establish systems by evaluating network performance issues including availab
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Posted 1 day ago

Senior Systems Administrator

Booz Allen Hamilton

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Arlington, Virginia, USA

Full-time

Job Number: R0221552 Systems Administrator, Senior The Opportunity: Your combination of people skills and te chn ical expertise 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 Department of Defense ( DoD ) ? We're looking for a senior systems administrator who spe cia lizes in networking and working within classified environments supporting agencies with a solid background in windows operating systems to he
Posted 25 days ago | Updated 11 hours ago

Senior Systems Administrator

Robert Half

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Des Moines, Iowa, USA

Full-time

Description Location: Hybrid position (remote with limited on-site work as needed - must reside in Iowa). Salary: $115,000 - $125,000 We are seeking a Senior Systems Administrator to join our premier client's dynamic IT team! This critical role involves providing advanced support for on-premises and cloud-based solutions, ensuring systems operate securely, reliably, and efficiently. As the Senior Systems Administrator you'll play a key role in managing infrastructure, monitoring performance, a
Easy Apply
Posted 14 days ago | Updated 7 hours ago

Sr. Systems Administrator

Arena Technical Resources

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Redstone Arsenal, Alabama, USA

Full-time

Job DescriptionJob Title: Sr Systems Administrator Job Location: Redstone Arsenal, Alabama Eligibility/Clearance: Secret Clearance is required. This position supports a government contract Job Description: We are seeking a Systems Administrator that will work within a cohesive team environment and is responsible for the effective provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure. This role is critical for ensuring
Posted 26 days ago

Senior Systems Administrator - onsite

Beacon Hill

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Independence, Ohio, USA

Contract

Our client on the West side of Cleveland is looking for a Senior IT Systems Administrator. This is a 6 month contract to hire position. **This position is on site 5 days a week** Our client wants someone who can get things done, improve their environment, make changes if needed, etc. They need to be confident in their skills. Position Summary: The Senior IT Systems Administrator will be responsible for maintaining our client's IT infrastructure, ensuring the stability, security, and efficien
Easy Apply
Posted 13 days ago | Updated 3 hours ago

Senior Systems Administrator

Eliassen Group

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Frisco, Texas, USA

Contract

Description: **Onsite | Frisco, TX** Our client has an amazing opportunity for a Senior Systems Administrator. The Senior Systems Administrator is responsible for supporting, securing, and optimizing enterprise IT operations. This includes end-user system support, infrastructure maintenance, IT asset lifecycle management, and leadership of junior team members. The ideal candidate brings strong technical expertise, organizational discipline, and a collaborative mindset to support a modern, scal
Posted 3 days ago | Updated 10 hours ago

Senior Systems Administrator

Booz Allen Hamilton

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Huntsville, Alabama, USA

Full-time

Job Number: R0220402 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 law enforcement agencies? We're looking for a systems administrator who spe cia lizes in Windows to help us build solutions to help fight crime. As a systems administrator on our project, you'll ensure the current infrastructure is functiona
Posted 54 days ago | Updated 11 hours ago

Sr Systems Administrator

SNI Technology

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Orlando, Florida, USA

Contract

Job Details We're seeking a seasoned Systems Administrator with at least 5 years of experience managing Microsoft-based infrastructure, Azure IaaS environments, and Microsoft 365 services. The ideal candidate will ensure the reliability, security, and performance of both on-premise and cloud-based systems, while supporting collaboration tools and enabling infrastructure automation. Key Responsibilities: Manage and maintain Windows Server environments, including Active Directory, DNS, DHCP, and
Posted 13 days ago | Updated 8 hours ago

Senior Systems Administrator

Peterson Technology Partners

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Ann Arbor, Michigan, USA

Contract

Under limited supervision, configure, manage, and administer moderately complex computer systems, networks and storage environments; gather and interprets technical/ functional specifications and participate in design reviews to identify potential mitigation strategies for technical risks identified. This support ranges from solving user's computer problems to setting up and maintaining the enterprise systems, architecture and infrastructure as a whole. Responsibilities Primary Maintaining syste
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Posted 1 day ago | Updated 19 hours ago

Senior Systems Administrator (Onsite)

Two95 International

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Dallas, Texas, USA

Contract

Title Senior Systems Administrator Position Contract to Hire Location Dallas, TX Rate- $Open(Best Possible) Job Description: They are seeking a generalist who has 7 years of experience. This person must have automation experience, they believe any Sr. Sys Admin would be automating processes via Power Automate, PowerShell or Python. Someone who has experience with data migrations, acquisitions, and/or integrations. Google ecosystem Expertise in email routing, DNS configuration, SPF/DKIM/DMARC, Go
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Posted 6 days ago | Updated 18 hours ago

Senior Systems Administrator

Golden Resources. Inc.

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Dallas, Texas, USA

Full-time, Third Party, Contract

Our client is looking for a Senior Systems Administrator who can take initiative and solve problems effectively. This role will oversee and enhance IT infrastructure. This role involves leading technology projects, implementing automation solutions, and supporting the ongoing expansion of our systems. The ideal candidate will help maintain and improve the tools and platforms used by a large user base in a blended cloud and on-premises setup. Top skills you need to have: Experience leading Micro
Easy Apply
Posted 12 days ago | Updated 15 hours ago