Principal Systems Administrator- Must have a active secret clearance
$86.8k - $165.2kRTX
Date Posted: 2026-07-01 Country: United States of America Location: US-AZ-TUCSON-928 ~ 1151 E Hermans Rd ~ MULTI PURPOSE FAC 928 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. Empowering a global business. Providing affordable solutions. Delivering competitive discriminators by unleashing deep expertise. These are just some of the many ways the Digital Technology team at Raytheon creates success for our customers. Joining our team will allow you to collaborate with Raytheon organizations to enable business growth, speed, and agility through business innovation, technical proficiency, and operational excellence. Our Digital Technology (DT) organization ensures that Raytheon teammates across the globe are able to communicate, collaborate and innovate for customer success. We create leading-edge technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. Principal System Administrators, based in Tucson, AZ, infrastructure Workplace Services, collaborate with many teams to support exciting, critical programs with classified information system capabilities. Success in this role means you can develop, implement and maintain secure, cost-efficient environments across various classified programs. Program teams rely on your collaboration and guidance to define computing requirements and create end-to-end solutions to solve complex IT infrastructure problems. What You Will Do: Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. Lead and coordinate the Red Hat Installation and configuration. Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux/Windows infrastructure for classified programs. Duties include, but are not limited to, server management (software and hardware); storage management (logical and physical); cross platform authentication and access management; data backup and restoration; software and license configuration; and workstation support Understanding and knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods. Working as a team member in a fast-paced technological environment. Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS). Understanding data RAID, data backup uses and technologies. Install and configure software applications requested by end users. Work with Cybersecurity professionals to maintain security requirements and provide documentation and training on advanced IT processes and procedures and other tasks as assigned. Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) . Must be able to develop solutions and documentation to deal with a variety of technical problems. Systems are operational 24x7 and occasionally require work effort beyond standard work hours. Travel required up to 5% Full time 100% Onsite position Qualifications You Must Have: Typically requires a bachelor’s degree and minimum of 5 years of prior relevant experience or a master’s degree and minimum of 3 years of prior relevant experience Must have a active transferable U.S. government issued secret clearance prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Must have Linux and Windows experience Experience in one of the following: Active Directory, VMware, MySQL, networking administration experience. Qualifications We Prefer: 5 years of full time Linux experience highly desired! An active DoD TS Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification) Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF In-depth working experience in Windows Server Experience with data storage, NAS, and SAN technologies and solutions Experience with using Information Technology project lifecycle management processes. Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods. Experience supporting engineers in software, simulations, and hardware development. Experience with Microsoft WSUS, SMECP, and/or Exchange High Performance Computing (HPC) experience in a Linux environment Scripting Experience What We Offer: Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. Relocation Eligibility As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.
$68.9k - $131.1k
...Senior System Administrator – Tucson, AZ (Onsite) U.S. citizenship is required. This... ...a U.S.-based role demanding an active and transferable Secret security clearance prior to start date.... ...procedures. Qualifications – You Must Have Minimum of two years of prior relevant...Secret clearanceTemporary workRemote workRelocationFlexible hours- ...deployment. Our Space Systems business designs and builds... ...spacecraft that have been selected to support... ...ambitious space missions. PRINCIPAL ENGINEER, SPACE PAYLOADS – ACTIVE TOP SECRET CLEARANCE Rocket Lab’s Optical... ...and in writing Must be physically able to commute...Secret clearancePrincipalPermanent employmentContract workFor subcontractorLocal areaRemote work
$57.2k - $108.8k
...Job Summary Position: Systems Administrator Location: Tucson, AZ... ...such as DNS, DHCP, Active Directory, and basic... ...needs evolve. Must be able to obtain Department... ...You Must Have Typically requires a... .... government issued Secret security clearance is required prior to...Secret clearanceTemporary workWork experience placementCasual workFlexible hours- ...Principal Engineer - Warhead The Energetics and... ...technology, including power systems, ignition, and all... ...Qualifications You Must Have Bachelor's Degree... ...a US security clearance prior to the start date... ...technical leadership Active Secret or Top Secret Clearance...Secret clearancePrincipalContract workFor contractorsFor subcontractor
$132.4k - $251.6k
...Status Requirements: Active and transferable U.... ...issued security clearance is required prior... ...DoD Clearance: Secret Security Clearance... ...Production. You will have oversight and be... ...functional teams including Systems Engineering,... ...Qualifications You Must Have Typically requires...Secret clearancePrincipalContract workTemporary workWork experience placementWork at officeLocal areaRemote workRelocationFlexible hours$107.5k - $204.5k
...Requirements: Active and... ...issued security clearance is required prior... ...DoD Clearance: Secret Security Clearance... ...Raytheon, you have the opportunity... ...Effector Guidance Systems team provides... ...The role of the Principal RF subsystem engineer... ...You Must Have Typically...Secret clearancePrincipalTemporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours$132.4k - $251.6k
...Senior Principal Engineer – Effector RF Design Team (Tucson... ...millimeter‑wave. Decompose system‑level requirements into... ...analysis. Qualifications – Must Have Bachelor’s degree in... ...oral presentation skills. Active, transferable DoD Secret clearance required prior to start date...Secret clearancePrincipalTemporary workRelocation packageFlexible hours$107.5k - $204.5k
...government issued security clearance is required. U.S.... ...DoD Clearance: Secret Security Clearance Status: Active and existing... ...Raytheon is seeking a Principal Senior Electrical... ...You Must Have Typically requires... ...improvements of processes, systems, or products to enhance...Secret clearancePrincipalTemporary workWork experience placementWork at officeRemote workFlexible hoursNight shiftWeekend work$132.4k - $251.6k
...Requirements: Active and transferable U... ...issued security clearance is required prior... ...DoD Clearance: Secret Security Clearance... ...provides Electrical Systems Engineering to develop... ...for a Sr. Principal Subsystems Engineer... ...Qualifications You Must Have: Typically...Secret clearancePrincipalTemporary workWork experience placementWork at officeRemote workFlexible hours$107.5k - $204.5k
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...Requirements: Active and transferable U... ...issued security clearance is required prior... ...DoD Clearance: Secret Security Clearance... ...a talented Senior Principal Engineer to join our... ...wave. Decompose system-level requirements... ...You Must Have Master of...Secret clearancePrincipalTemporary workWork experience placementInterim roleWork at officeRemote workRelocationFlexible hours$107.5k - $204.5k
...Posted: Do you have the right... ...Requirements: Active and... ...issued security clearance is required prior... ...DoD Clearance: Secret Security Clearance... ...looking to hire a Principal Software... ...deployed missile systems. This position... ...You Must Have: Typically...Secret clearancePrincipalTemporary workWork experience placementInterim roleWork at officeRemote workFlexible hours$68.9k - $131.1k
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...Status Requirements: Active and transferable U.S.... ...issued security clearance is required prior to start... ...: DoD Clearance: Secret Security Clearance... ...Engineering provides Electrical Systems Engineering to develop... ...Qualifications You Must Have Typically...Secret clearancePrincipalTemporary workWork experience placementWork at officeRemote workRelocationFlexible hours$107.5k - $204.5k
...Requirements: Active and transferable... ...issued security clearance is required... ...Do D Clearance: Secret Security Clearance... ...Raytheon, you have the opportunity... ...Effector Guidance Systems team provides... ...role of the Principal RF subsystem engineer... ...You Must Have Typically...Secret clearancePrincipalTemporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours$132.4k - $251.6k
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...Requirements: Active and transferable... ...issued security clearance is required... ...Do D Clearance: Secret Security Clearance... ...world. The Systems Engineering and... ...currently hiring a Principal Systems... ...where you will have the opportunity... ...Qualifications You Must Have Typically...Secret clearancePrincipalTemporary workWork experience placementInterim roleCurrently hiringWork at officeRemote workRelocation packageFlexible hours$107.5k - $204.5k
...Requirements: Active and transferable U... ...issued security clearance is required prior... ...DoD Clearance: Secret Security Clearance... ...Effector Guidance Systems (ALEGS) Department... ...currently hiring a Principal Electrical Engineer... ...Qualifications You Must Have Typically requires...Secret clearancePrincipalTemporary workWork experience placementInterim roleCurrently hiringWork at officeRemote workRelocationFlexible hoursShift workDay shift$107.5k - $204.5k
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- ...TITLE: Principal Software Engineer with ACTIVE Secret Security Clearance RATE RANGE: $95/hr - $120/hr W2 (no health benefits/no paid PTO-an hour worked is an hour... ...software as a part of onsite factory support of systems to support weapon system product development....Secret clearancePrincipalFull timeRelocation
$68.9k - $131.1k
...Job Summary Position: IT Systems Administrator (Onsite) – Tucson, AZ. Post Date: 2026-06-25. Requires U.S. citizenship and an active, transferable DoD Secret clearance. 100% onsite, with up to 10% domestic travel. Responsibilities Provide IT systems administration in...Secret clearanceTemporary workRelocation packageFlexible hours$30 - $30.87 per hour
...3, Inter-Con Security Systems, Inc. is a leading US-... ...for career growth. We have transitioned thousands... ..., sponsorship for Top Secret Clearance, comprehensive training... ...of three (3) years active duty military service,... ...Holidays as assigned. Must maintain flexibility regarding...Secret clearanceHourly payFull timePart timeLocal areaFlexible hoursShift workNight shiftWeekend work
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