System Administrator
$57.2k - $108.8kRTX
Date Posted: 2026-06-23 Country: United States of America Location: US-AZ-TUCSON-802 1151 E Hermans Rd BLDG 802 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 RTX, the world’s largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. 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. We are hiring for a Systems Administrator to join our Digital Technology (DT) team in Tucson, AZ. The 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. What You Will Do Provide IT systems administration support in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. Apply foundational experience of Windows Server or Linux systems, including core services such as DNS, DHCP, Active Directory, and basic server roles. Work as part of a collaborative team in a fast-paced environment. Use established troubleshooting techniques to resolve moderate to complex technical issues involving operating systems, hardware integration, and enterprise services. Support data storage and backup operations, including RAID concepts and backup/restore technologies. Install, configure, and support software applications requested by end users. Partner with Cybersecurity teams to maintain system security requirements, follow established processes, and assist with documentation and training for IT procedures. Additional responsibilities may be assigned as operational needs evolve. Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 certification requirements (CompTIA Security+ CE or equivalent) within 6 months of start. Systems operate 24x7 and may require occasional work outside standard business hours. Qualifications You Must Have Typically requires a University degree or equivalent experience and less than 2 years prior relevant experience. Active and transferable U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Experience working with Windows and/or Linux operating systems. Experience with one or more of the following technologies: Active Directory WSUS, VMware, MECM, Exchange, system administration, network administration, Windows or Linux server support, and enterprise backup/recovery tools. Qualifications We Value DoD 8140 / 8570 certification requirements (CompTIA Security+ CE or equivalent), including OS-specific certifications. Experience supporting compliance activities such as NISPOM, JAFAN, JSIG, DFARS, or DoD/RMF. Experience with Windows Server administration. Experience with data storage technologies, including NAS and SAN solutions. Experience working within an IT project lifecycle or structured process environment. Experience with VMware products such as vCenter, vSphere, and ESXi or other virtualization platforms. Experience supporting engineering teams working on software, simulation, or hardware development. Experience with Microsoft WSUS, MECM, Skype, SharePoint, and/or Exchange. Exposure to High Performance Computing (HPC) environments. Scripting experience (PowerShell, Bash, or similar). 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. Learn More & Apply Now! 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 57,200 USD - 108,800 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. Click on this link to read the Policy and Terms #J-18808-Ljbffr
$75.54k - $98.2k
...Systems Administrator, Senior Posting Number: req26576 Department: Research Services Department Website Link: Location: Tucson Campus Address: Tucson, AZ USA Position Highlights University Information Technology Services (UITS) is the University of Arizona's central technology...SuggestedFull timePart timeWork experience placementWork at officeRelocation$68.9k - $131.1k
Responsibilities Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. Apply knowledge of Windows Server internals or Linux fundamentals, including DNS, DHCP, AD, and server replication. Collaborate as...SuggestedFull timeTemporary workFlexible hours- ...System Administrator DPR Construction is seeking a System Administrator to join our collaborative team environment to assist with solving business challenges with technology and operations support for our growing business. Responsibilities Track all service requests to...SuggestedWork at office
$68.9k - $131.1k
...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 Linux...SuggestedFull timeTemporary workFlexible hours$90k - $110k
$90,000 - $110,000 a year Senior Systems Administrator Tucson, AZ Company Overview Ondas is building a new kind of intelligence company, one designed for a world where speed, autonomy, and decision advantage matter more than ever. By combining multi-domain platforms...SuggestedShift work$92.3k - $166.85k
...Description Are you ready to be the technical backbone of a mission that matters? Leidos is seeking a highly motivated Senior Systems Administrator/Help Desk Engineer to support a cutting‑edge Agile software development program, Chinook, for an Intelligence Community...Contract workShift workDay shiftAfternoon shift$86.8k - $165.2k
...What You Will Do Provide IT systems administration in a heterogeneous Microsoft Windows environment supporting SIPR and other information systems. Work as a team member in a fast‑paced technological environment. Use troubleshooting techniques to resolve technical problems...Temporary workRelocation packageFlexible hours- ...Position Summary: The Junior System Administrator supports the administration, maintenance, and security of technology systems across Arizona Restaurant Supply and its subsidiary companies. Working under the Director of Technology, this role owns the day to day help desk...Monday to Friday
$70k
...Position Summary The University of Arizona Philanthropy & Alumni Engagement (PAE) is seeking a skilled and proactive Cloud Systems Administrator to join our dynamic IT team. This role supports daily cloud operations, assisting with system maintenance, user management,...Work at officeWeekend workAfternoon shiftEarly shift- ...Basic Requirements Education: Undergraduate degree in hospital administration, public health administration, or related fields such as... ...regulations, standards, and government-wide, agency, and facility systems in various administrative areas such as budget, personnel,...
$68.9k - $131.1k
...world. Join us and help shape the future of aerospace and defense. The Processing, Guidance and Controls (PG&C) Center within the Systems Engineering and Test Capabilities Discipline consists of Guidance, Navigation and Control; Signal Processing; and Modeling, Simulation...Full timeTemporary workWork experience placementInterim roleWork at officeRemote workRelocation packageFlexible hours- ...Install workstations, configure and maintain up to 30-40 FRCS/ICS systems as required by the physical and virtual servers at the site... .... Develop and maintain procedures for system operations and administration for continuity purposes. Test and implement operating system...Full timePart time
$57.2k - $108.8k
...Clearance Type: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 System Administrator, High Performance Computing (HPC) - P1 Analyst Level Raytheon Digital Technology (DT) - Classified Transformation...Full timeTemporary workWork experience placementWork at officeRemote workRelocationRelocation packageFlexible hours- ...Job Description Job Description North Point Technology is looking to hire a Systems Administrator / Help Desk Engineer to support a cutting-edge Agile software development program for an Intelligence Community customer. The qualified candidate must have an active TS...Flexible hoursDay shiftAfternoon shift
- ...Job Description Job Description We're looking for a Systems Administrator to join our family-owned aerospace manufacturing company and become the go-to expert for our organization's technology infrastructure. What You'll Do As our Systems Administrator, you...Work at officeWeekend work
$80.6k - $133k
...Job Description Summary The BD Technology & Engineering Deployment team is responsible for providing technical system recommendations/requirements to BD’s customers and working with the customers to deploy these servers and software in preparation for the local project...Daily paidTemporary workLocal areaRemote workWork from homeHome officeFlexible hoursNight shift- ...Systems Engineers - MBSE On Site Colorado Springs, Colorado, United States Full time We are seeking passionate and skilled technical professionals to directly support the Missile Defense Agency (MDA) with its critical mission. Manage the adoption of MBSE methodologies...Full time
- ...Job Title: Systems Engineer Job Description This Systems Engineer role focuses on the design, integration, and development of advanced space-based optical instruments, subsystems, and payloads for airborne and space platforms. You will lead requirements definition...Contract workTemporary workFlexible hours
- ...Job Title: Systems Engineer Location: Tucson AZ 85756 Contract: 6 - 12 MonthsContract Job ID: 14951715/14951716 Citizenship Requirement: US Citizen Payrate: $60.00 - 75.00/hr on W2 Job Description: The Test Equipment...Contract work
$68.9k - $131.1k
...about turning innovative concepts into reality? Do you thrive in dynamic environments? Raytheon is seeking a talented and motivated Systems Engineer to join our team within the Systems Engineering and Test Capabilities (SETC) Discipline, supporting a range of programs....Temporary workWork experience placementInterim roleCurrently hiringWork at officeLocal areaRemote workRelocation packageFlexible hours- ...Responsibilities include: System Lifecycle Management: Apply broad knowledge and skill-sets from Systems Engineering, focusing on the software integration and testing stages of the system lifecycle. Industry and Technology Analysis: Research and analyze...
$68.9k - $131.1k
...Security Clearance : DoD Secret required prior to start. U.S. citizenship is required to obtain a security clearance. This role is a Systems Engineer II within the Systems Engineering and Test Capabilities (SETC) Discipline. It offers the opportunity to work across the...Temporary workFlexible hours- ...company developing advanced antenna technology for a broad range of applications including radar sensors, passive RF direction finding systems, millimeter wave imagers, wireless communication, SATCOM, etc. We have an exciting opportunity for a Radar / RF System Engineer...Permanent employment
- ...seeking a Database Associate to support database maintenance and security. You will gain hands-on experience with basic database administration, backups, performance monitoring, and documentation under senior DBAs. Responsibilities include writing simple SQL, assisting...
$107.5k - $204.5k
...tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. The Technology Portfolio Systems Engineering Lead applies systems engineering and mission engineering principles to identify capability gaps, define technology...Temporary workWork experience placementWork at officeRemote workRelocationFlexible hours$80k - $100k
...Everlight Solar is seeking a highly skilled Salesforce Administrator who will design and code functional programs and applications, producing... ....com ( and all upstream and downstream applications, systems and processes Requirements: Minimum two years of experience...Full timeRemote workWork from home$107.5k - $204.5k
...mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. The Systems Engineering and Test Capabilities (SETC) organization is currently hiring a Principal Systems Engineer, for the Effectors team to...Temporary workWork experience placementInterim roleCurrently hiringWork at officeRemote workRelocation packageFlexible hours$86.8k - $165.2k
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...Manages and maintains infrastructure including network operating systems, firewalls, all servers (web, application, file, etc.),... ...or telecommunications network related equipment. Performs administrative duties including the creation of performance reports and development...Local areaAfternoon shiftEarly shift- ...Role Leonardo Electronics US Inc. is seeking a hands‑on Sr. Systems Engineer to manage network and cloud infrastructure for a growing... ...7–10 years in IT systems engineering or infrastructure administration Cisco Meraki — hands‑on MX, MS, and MR administration; Meraki...
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