Onsite Senior Systems Administrator - Secure Linux/Windows
Raytheon
Raytheon is looking for a Senior System Administrator in Tucson, AZ to provide IT systems administration in a diverse environment. This role requires experience with Windows and Linux operating systems, alongside an active security clearance. Key responsibilities include troubleshooting, collaboration with cybersecurity, and ensuring operational integrity. With a focus on safety, trust, and innovation, the position also offers a strong salary range and various benefits. #J-18808-Ljbffr Raytheon
$57.2k - $108.8k
Position Role Type: Onsite U.S. Citizen, U.S. Person,... ...U.S. government issued security clearance is required prior... ...You Will Do Provide IT systems administration in a heterogeneous Microsoft Windows environment supporting... ...with Windows and/or Linux OSs. Experience with system...SeniorWindowsLinuxTemporary workRelocation packageFlexible hours$68.9k - $131.1k
...Tucson, AZ | Position: System Administrator, High Performance Computing (HPC) - P2 Senior Analyst Role Type: Onsite | Citizenship: U.S.... ...S. government issued security clearance required prior... ...Microsoft Windows and Red Hat Enterprise Linux environment. Responsibilities...SeniorWindowsLinuxTemporary workRelocationRelocation packageFlexible hours- ...Tucson, Arizona, is seeking a Principal System Administrator to provide IT systems administration in Microsoft Windows and RedHat Enterprise Linux environments. Candidates must possess... ...IT issues, maintaining security compliance, and collaborating with team...SeniorWindowsLinux
$68.9k - $131.1k
Raytheon is seeking a Senior System Administrator in Tucson, AZ, to provide IT systems administration... ...at least 2 years of experience with Linux and Windows systems, alongside knowledge of... ...Directory and VMware. The position is onsite, includes relocation assistance, and...SeniorWindowsLinuxRelocation package- ...Tucson, Arizona, is looking for an IT Systems Administrator. This role involves administering IT systems in a diverse Microsoft Windows and Red Hat Linux environment, resolving technical... ...active US government issued Secret security clearance. The position comes with a...SeniorWindowsLinux
- SwiftCruit is seeking a Principal System Administrator based in Tucson, AZ to support critical... ...in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. Candidates must have... ...requires an active U.S. government security clearance. It offers competitive salary...SeniorWindowsLinux
- Prattwhitney in Tucson, AZ is seeking a Senior System Administrator to support IT systems in a dynamic... ...environment. This full-time, 100% onsite position requires an active secret clearance... ...and offers responsibilities in both Windows and Linux environments. Successful candidates...SeniorWindowsLinuxFull time
- Prattwhitney is seeking a Principal System Administrator to provide IT systems... ...heterogeneous environment, including Microsoft Windows and Red Hat Linux. You will support systems operational... ...skills, and hold a U.S. government security clearance. Benefits include medical...SeniorWindowsLinuxCasual work
$68.9k - $131.1k
...Position Role Type: Onsite U.S. Citizen, U.S. Person... .... government issued security clearance is... ...the integrity of our systems and support IT infrastructures... ...Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment....SeniorWindowsLinuxFull timeTemporary workWork experience placementWork at officeRemote workWorldwideRelocation packageFlexible hours- Prattwhitney is seeking a Senior System Administrator in Tucson, AZ, focusing on providing IT... ...in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. The role demands collaboration... ...s degree, possess active secret security clearance, and have experience...SeniorWindowsLinux
- Leidos Inc is looking for a Senior Systems Administrator to join their team in Tucson, AZ. You will... ...efforts, ensuring their availability and security. The role requires a deep technical... ...system administration, including Linux and Windows environments. This position is...SeniorWindowsLinux
- Prattwhitney is seeking a Senior System Administrator to provide IT systems administration in Tucson... ...citizenship and an active Secret security clearance. Candidates will engage... ...experience, familiarity with Windows Server and Linux, as well as knowledge of various technologies...SeniorWindowsLinuxFlexible hours
- SwiftCruit is looking for a Systems Administrator to join our Digital Technology team in Tucson, AZ. This role involves... ...administration support in heterogeneous Windows and Linux environments while ensuring the security of our systems. The successful candidate will require...WindowsLinux
$68.9k - $131.1k
We are hiring for a Systems Administrator to join our Digital Technology (DT) team in Tucson... ...in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. Apply foundational... ...Cybersecurity teams to maintain system security requirements, follow established...SeniorWindowsLinuxTemporary workCasual workFlexible hours$68.9k - $131.1k
...Job Summary Position: IT Systems Administrator (Onsite) – Tucson, AZ. Post Date: 20... ...a heterogeneous Microsoft Windows environment, supporting SIPR... ...professionals to maintain security requirements and obtain DoDD... ...Experience with Windows and/or Linux operating systems....SeniorWindowsLinuxTemporary workRelocation packageFlexible hours$68.9k - $131.1k
...Senior System Administrator – Tucson, AZ (Onsite) U.S. citizenship is required. This is a U.S.-based role... ...active and transferable Secret security clearance prior to start date... ...in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. Apply knowledge...SeniorWindowsLinuxTemporary workRemote workRelocationFlexible hours- RTX is hiring a Systems Administrator to work Onsite in Tucson, AZ. In this role, you'll provide IT systems administration... ...U.S. citizenship, and a current Secret security clearance. In this position, you'll work with Windows and Linux systems, applying your knowledge to...WindowsLinux
- Overview Senior System Administrator, Tucson, AZ. Must have an active secret... .... Full-time, 100% onsite. Travel up to 10% per year... ...heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. Apply... ...implement, and maintain secure, cost-efficient environments...SeniorWindowsLinuxFull timeRelocation packageFlexible hoursShift work
- System Administrator, High Performance Computing (HPC) - P1 This Analyst... ...heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. The... ...Location: Tucson, Arizona - Onsite. Relocation support will... ...professionals to maintain security compliance requirements....WindowsLinuxTemporary workRelocationRelocation packageFlexible hours
$57.2k - $108.8k
Position Role Type Onsite U.S. Citizen, U.S.... ...government issued security clearance is... ...integrity of our systems and support IT infrastructures... ...the world. System Administrator will collaborate... ...Microsoft Windows environment supporting... ...Experience with Windows or Linux OSs Experience...WindowsLinuxTemporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours$57.2k - $108.8k
...of America Position Role Type: Onsite Security Clearance Requirements: Active and... ...for a security clearance. System Administrator, High Performance Computing (HPC... ...Administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. This candidate will...WindowsLinuxTemporary workWork experience placementWork at officeRemote workRelocationRelocation packageFlexible hours- Raytheon is hiring a Systems Administrator in Tucson, AZ, to support IT systems across a heterogeneous... ...include providing administration for Windows and Linux systems, troubleshooting technical issues, and ensuring system security compliance. The ideal candidate requires...SeniorWindowsLinux
- Leidos is seeking a Senior Systems Administrator to manage, support, secure, and optimize mission-critical systems, particularly in Tucson, Arizona. This... ...expertise, IT certifications, and experience in Linux and Windows systems management, preferably in classified environments...SeniorWindowsLinux
- Prattwhitney is looking for a Senior System Administrator in Tucson, AZ, to provide IT systems administration across Windows and Linux environments. Candidates must have a minimum of... ...level education, and hold an active Secret security clearance. Benefits include a...SeniorWindowsLinuxRelocation packageShift workAfternoon shift
$107.5k - $204.5k
Senior Principal High Performance Computing (HPC) Administrator (Manager, Information Workplace Services... ...| Tucson, AZ | Onsite Position Security Clearance: DoD Secret... ...software, and operating systems. Perform OS tuning... .... Experience in Windows and Linux Server environments...SeniorWindowsLinuxTemporary workFlexible hours$92.3k - $166.85k
...in the areas of cyber, logistics, security operations, and decision analytics... ...Chinook Program is currently seeking a Senior Systems Administrator. As a senior member of our IT... ...Lead system administration for Linux and Windows-based systems in secure, mission-critical...SeniorWindowsLinuxContract workLocal areaImmediate start- ...paced environment. Responsibilities include troubleshooting HPC systems, collaborating with Cybersecurity professionals, and mentoring... ...have a bachelor’s degree or relevant experience, along with a security clearance. Benefits include health insurance, a competitive salary...WindowsLinux
- Raytheon is seeking a System Administrator for High Performance Computing in Tucson, Arizona. This role requires an active U.S. government issued Secret security clearance and an emphasis on Windows and Linux server environments. The candidate will work to resolve technical...WindowsLinuxRelocation package
$68.9k - $131.1k
...obtain DoD Directive 8140 / 8570 certification (CompTIA Security+ CE or equivalent) within 6 months. What You Will Do Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. Work with Windows Server internals or...SeniorWindowsLinuxFull timeTemporary workFlexible hours$68.9k - $131.1k
Senior System Administrator - Tucson, AZ Date Posted: 2026-05-11 Location: 848 ~ 1151 E Hermans Rd, BLDG 848, Tucson, AZ Security Clearance: Secret (active and transferable U.S. government... ...a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. Requires 100%...SeniorWindowsLinuxTemporary workRelocation packageFlexible hoursShift workNight shift
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