Senior Systems Administrator Jobs

1 - 20 of 165 Jobs

Linux/Windows Senior Systems AdministratorJob Title - Linux/Windows Senior Systems Administrator

Lockheed Martin CorporationCompany Name - 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

Senior Systems Administrator (Linux/Windows)Job Title - Senior Systems Administrator (Linux/Windows)

Ledgent TechnologyCompany Name - Ledgent Technology

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Fremont, California, USA

Full-time

We are seeking a highly skilled Senior System Administrator to join our client's enterprise IT team, which is onsite in Fremont, CA. We are unable to consider 3rd party candidates. In this role, you will be responsible for maintaining, securing, and optimizing mission-critical systems and infrastructure across a complex, multi-site environment. You will take initiatives to improve performance, reliability, scalability, and security, including cloud services, servers, storage, virtualization, s

Senior Systems AdministratorJob Title - Senior Systems Administrator

Iridium Satellite LLCCompany Name - 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

Senior Systems Administrator - Clearance RequiredJob Title - Senior Systems Administrator - Clearance Required

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Dahlgren, Virginia, USA

Full-time

Job Description At the dawn of a new space age, Lockheed Martin a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every day we use our outstanding skills and experiences to create, craft and build solutions to some of the worlds' hardest engineering problems. Our culture supports employees to dream big, perform with excellence and create incredible products. We provide the resources, encouragement and focus and if you have the p

Senior Systems Administrator, Classified ITJob Title - Senior Systems Administrator, Classified IT

Aduril IndustriesCompany Name - 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

Senior Systems AdministratorJob Title - Senior Systems Administrator

Booz Allen HamiltonCompany Name - 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

Senior Systems AdministratorJob Title - Senior Systems Administrator

Booz Allen HamiltonCompany Name - 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

Sr. Systems AdministratorJob Title - Sr. Systems Administrator

Arena Technical ResourcesCompany Name - 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

Senior Systems Administrator-Web SystemsJob Title - Senior Systems Administrator-Web Systems

Penske Truck LeasingCompany Name - 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

Senior Systems AdministratorJob Title - Senior Systems Administrator

Robert HalfCompany Name - 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

Senior Systems AdministratorJob Title - Senior Systems Administrator

IDR Inc.Company Name - IDR Inc.

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Huntsville, Alabama, USA

Full-time

IDR is seeking a Senior Systems Administrator to join one of our top clients in Huntsville, AL. This role is perfect for a seasoned professional with a strong background in system administration, active directory, and scripting. If you are looking for an opportunity to join a large organization and work within a team-oriented culture, please apply today! Position Overview/Responsibilities for the Senior Systems Administrator: - Manage active directory, including user group management and group

Senior Systems Administrator - onsiteJob Title - Senior Systems Administrator - onsite

Beacon HillCompany Name - 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

Sr Systems AdministratorJob Title - Sr Systems Administrator

SNI TechnologyCompany Name - 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

Senior Systems AdministratorJob Title - Senior Systems Administrator

Booz Allen HamiltonCompany Name - 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

Senior Systems AdministratorJob Title - Senior Systems Administrator

Golden Resources. Inc.Company Name - 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

Sr Systems AdministratorJob Title - Sr Systems Administrator

Irvine Technology Corporation (ITC)Company Name - Irvine Technology Corporation (ITC)

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Dallas, Texas, USA

Full-time

Sr. Systems Administrator We have an immediate need for a Sr. Systems Administrator to join our client for a full-time, direct hire position that is fully onsite in Dallas, NYC, Phoenix or Austin. This position will support a 90% virtualized environment within Azure and AWS. Location: Onsite in Dallas, NYC, Phoenix or Austin This job expects to pay about $110,000-130,000 benefits What You ll Do: Participate in on-call rotation, after-hours maintenance, and incident response to ensure system ava

Sr. Systems AdministratorJob Title - Sr. Systems Administrator

MSITEK LLCCompany Name - MSITEK LLC

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Herndon, Virginia, USA

Contract

- 5+ years of experience in an IT enterprise System Admin role or Cloud Admin position - 4+ years with PowerShell scripting for automation, extremely fluent in PowerShell and command lines - Experience with Windows firewalls - Expert level Microsoft Azure Administrator - Expert level Windows admin skills (Active Directory, DNS, Group Policy) - Security Clearance or ability to get a Clearance Nice to Have Skills and Experience -Bachelors in Computer Science - Professional industry certifications

Senior Systems AdministratorJob Title - Senior Systems Administrator

LeidosCompany Name - Leidos

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Laurel, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Systems Administrator in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate v

Senior Systems AdministratorJob Title - Senior Systems Administrator

Apex SystemsCompany Name - Apex Systems

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Herndon, Virginia, USA

Full-time

Job#: 2077484 Job Description: Apex Systems is seeking a Senior Systems Administrator to work fully onsite in Herndon, VA. For immediate consideration, please email your updated resume to Maren at with "Senior Systems Administrator Herndon, VA" in the subject line. #Clearance required: Active Full Scope Polygraph Summary: We are seeking a Senior Systems Administrator to join a Specialized Infrastructure Operations team within the Information Technology & Data Analytics (IT&DA) organization i

Sr. Systems AdministratorJob Title - Sr. Systems Administrator

Robert HalfCompany Name - Robert Half

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Asheville, North Carolina, USA

Contract

Description We are looking for an experienced Sr. Systems Administrator to join our team in Asheville, North Carolina. This is a long-term contract position that offers the opportunity to work with cutting-edge technologies and contribute to the stability and security of our IT infrastructure. The ideal candidate will have expertise in cloud-based systems, endpoint management, and automation tools. Responsibilities: Oversee and manage cloud technologies, including private endpoint setups and in