Senior Information Systems Engineer - Onsite Tucson, AZ

Date Posted:2026-06-02 Country:United States of AmericaLocation:US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site)Position Role Type:OnsiteU.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: DoD Clearance: SecretSecurity Clearance Status: Active and existing security clearance required on day 1At 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.Test Equipment Engineering (TEE), Test Solutions (TS) includes engineering disciplines responsible for systems design & test with every Raytheon product. Our engineers are responsible for all elements of the development lifecycle for test including: test requirements, test system design, flight simulations, hardware-in-the-loop, computer-in-the-loop, advanced engineering prototyping technology, flight operations for manned and unmanned vehicles, environmental testing, environmental characterization and engineering laboratory management.We are hands-on, designing with the latest technology and tools, and integrate state of the art test solutions with the most advanced engineering systems in the world.As part of the Test Environment Support Administration (TESA) team, you be working with both leading-edge technologies and legacy systems to support multiple products and programs throughout Raytheon. You will provide Test Equipment (TE) integration, security consultation, troubleshooting, sustainment, and compliance with the ultimate responsibility to maintain test integrity and the availability of our test systems.This position is 100% ONSITE in Tucson, Arizona.What You Will DoProvide Cybersecurity compliance guidance to engineering for production and procurement of Test Equipment (TE)Support Flight Test capabilities and processes for Raytheon test systemsDevelop Cybersecurity compliant TE (Linux, IOS, Windows)Support requirement reviews prior to implementation of any changes to TEInstall software packages/updates to enhance operations and testing of production hardwareTroubleshoot production and development of TE to ensure safety, connectivity, functionality, compliance, and test integrityCollaborate with Digital Technologies to integrate TE in controlled networks or enterprisesCollaborate with Cybersecurity to ensure TE compliance (using tools such as Nessus, Splunk, Ivanti, and locally procured software)Collaborate with test engineers to ensure changes do not affect the availability or test integrity on TEQualifications You Must HaveBachelor’s Degree in Science, Technology, Engineering, or Mathematics (STEM)Minimum  five (5) years relevant experience with systems administration of Linux, Networking, and/or Windows in stand-alone or server environmentsExperience with Group Policy Objects (GPOs), user account management, software installation, application permissions, and/or technical customer supportExperience working in classified environments and an understanding of Cybersecurity requirements for classified networks and systemsUS Citizen - Active, current and transferable Secret U.S. government issued DoD security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.Qualifications We PreferMaster’s Degree in Science, Technology, Engineering, or Mathematics (STEM)DoDM 8140.03 IAT II certified credentials (Sec+, CISM, etc.) within six months of start dateExperience as a System Engineer with an understanding of managing Operational Technology and/or test systems in a production environmentTroubleshooting experience in Microsoft Windows, Linux systems, and CISCO switchesCustomer service and training skills experience, including oral and technical written communicationsWhat We OfferOur values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.This position offers relocation.Learn More & Apply Now!Please consider the following role type definitions as you apply for this role:Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.This position requires an active security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htmThis position is in beautiful Tucson, AZ. Tucson has a friendly, caring and laid-back atmosphere, combined with the innovation and energy of a metropolitan region and recognized as one of America’s 10 Best Small Cities. Surrounded by beautiful mountains, colorful Sonoran Desert landscape and majestic saguaro cacti, Tucson is blessed with some of nature’s best work. Tucson is known for its bright blue skies, and with more than 310 sunny days per year, Tucson’s fantastic weather lets residents enjoy the outdoors year-round.Tucson, AZ: https://careers.rtx.com/global/en/raytheon-tucson,-az-locationAs 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.T