Onsite Senior Systems Administrator - Secure Linux/Windows
Raytheon Co
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
- ...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
- 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
- ...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
$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- 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
- ...Tucson, AZ, is seeking a Principal Systems Administrator to provide systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. The role demands... ...a willingness to obtain a Secret security clearance. The position offers comprehensive...SeniorWindowsLinux
$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... ...IT systems administration in a heterogeneous Microsoft Windows environment supporting... ...Windows and/or Linux OSs. Experience...SeniorWindowsLinuxFull timeTemporary workWork experience placementWork at officeRemote workWorldwideRelocation packageFlexible hours$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
Responsibilities Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. Apply... ...certification requirements (CompTIA Security+ CE or equivalent) within... ...Maintain a full‑time, 100% onsite presence. Qualifications You...SeniorWindowsLinuxFull timeTemporary workFlexible hours- ...Principal System Administrator Raytheon Digital Technology Solutions... ...create a safer, more secure world. The Raytheon Solutions... ...(ATIC) team. This 100% onsite position. What You... ...heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment....WindowsLinuxFull timeRelocation
- 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
$68.9k - $131.1k
Senior System Administrator - Tucson, AZ Date Posted: 2026-05-11 Country... ...AZ Position Role Type: Onsite U.S. Citizen, U.S.... ...U.S. government issued security clearance is required prior... ...Microsoft Windows and RedHat Enterprise Linux environment. It requires...SeniorWindowsLinuxFull timeTemporary workRelocation packageFlexible hoursShift work- Position Summary : Principal Systems Administrator for Raytheon Digital... ...in Tucson, AZ. 100% onsite. Requires U.S. citizenship... ...government‑issued Secret security clearance. Responsibilities... ...heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. Administer...WindowsLinuxTemporary work
$68.9k - $131.1k
...8 Position Role Type: Onsite U.S. Citizen, U.S. Person... ...U.S. government issued security clearance is required... ...and defense. Senior System Administrator, Tucson, AZ Must have an... ...heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. Understanding...SeniorWindowsLinuxTemporary workWork experience placementWork at officeRemote workRelocationRelocation packageFlexible hoursShift workAfternoon shift$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- 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
- SOC LLC is seeking a Senior Information Systems Engineer for a long-term contract opportunity in Tucson, AZ. The role requires Active Secret Clearance and focuses on maintaining secure Windows and Linux environments. The ideal candidate will administer servers, troubleshoot...SeniorWindowsLinuxLong term contract
$68.9k - $131.1k
Relha LLC is seeking an IT Systems Administrator in Tucson, Arizona, to provide support in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. The ideal candidate will possess... ...of experience, and a DoD Secret security clearance. Responsibilities...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
- ...9/80 work schedule Senior Information Systems Engineer with ACTIVE Secret Security clearance (US Citizenship... ...Systems Engineer Onsite responsible for administering... .... Administer Windows/Linux servers and develop Cybersecurity... ...Skills Server Administration Windows OS...SeniorWindowsLinuxContract workFor contractorsRelocationShift work
- ...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
...802 Position Role Type: Onsite U.S. Citizen, U.S. Person... ...U.S. government issued security clearance is required prior... .... We are hiring for a Systems Administrator to join our Digital... ...heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. Experience...WindowsLinuxFull timeTemporary workWork experience placementCasual workWork at officeRemote workWorldwideFlexible hours$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$68.9k - $131.1k
Senior System Administrator, Tucson, AZ. Active secret clearance required. Relocation offered.... ...developing, implementing, and maintaining secure, cost‑efficient environments... ...in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. Understand Windows...SeniorWindowsLinuxCasual workWork at officeRelocationRelocation packageMonday to FridayFlexible hoursShift workNight shift- ...to maintain and support enterprise IT systems including servers and networks. The ideal... ...a valid U.S. government issued Secret security clearance. This role requires troubleshooting... ...standards. A solid understanding of Windows and Linux systems is crucial. #J-18808-Ljbffr...SeniorWindowsLinux
$68.9k - $131.1k
What You Will Do Provide IT systems administration support in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. Experience with Windows Server or Linux... ...with Cybersecurity teams to maintain system security requirements, follow established...SeniorWindowsLinuxTemporary workCasual workFlexible hours$57.2k - $108.8k
...HPC) hardware, software, and operating systems. Understand and work with software... ...Cybersecurity professionals to maintain security compliance requirements. Provide documentation... ...clearance eligibility. Experience in Windows and/or Linux Server environments, including...WindowsLinuxTemporary workFlexible hours$86.8k - $165.2k
Senior Digital Product Configuration Management... ...Tucson, AZ. Position is onsite and requires U.S.... ...interim Secret U.S. security clearance. What You... .... Provide DPCM Tool administration / management control... ...shell scripting in Linux, Unix, and Windows. Ability to obtain and...SeniorWindowsLinuxTemporary workInterim roleFlexible hours
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