[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) RTX · TUCSON, AZ, US # Senior Subsystem Engineer TUCSON, AZ, US Full-time Senior individual contributor Operations Listed on RTX’s official careers site. Posted October 24, 2026. Check that it is still open and apply there. [Apply on RTX’s careers site →](https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-AZ-TUCSON-9020--9020-S-Rita-Rd--BLDG-9020/Senior-Subsystem-Engineer_01880773) [OpenNash Jobs](https://jobs.opennash.com/) / [RTX](https://jobs.opennash.com/companies/rtx/) / Senior Subsystem Engineer ## Job description ### Date Posted 2026-10-23 Country: United States of America Location: US-AZ-TUCSON-9020 ~ 9020 S Rita Rd ~ BLDG 9020 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: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date Sr. Subsystem Engineer Location TUCSON, Arizona, United States of America Category Engineering RTX Raytheon Job Type Full-Time Onsite Relocation Eligible Job Summary: Raytheon provides Electrical Systems Engineering to develop Guidance Electronics solutions for products across the Raytheon portfolio. Our team develops missile Guidance Electronics Hardware. Our core electrical engineering responsibilities include architecture, analysis, requirements, integration, and test. Our core electrical engineering technologies include RF/RADAR, Navigation/IMU/GPS, Digital, and Power. We partner with several Electrical Product Team departments that provide the detailed design of our electrical products as well as missile level systems teams. Raytheon is searching for a Senior Subsystem Engineer with experience in testing and troubleshooting Guidance Electronics. The role of Electrical Subsystem Lead Engineer is to integrate and validate electronics design during development phase of program. Electronics validation includes testing hardware, assessing performance, failure resolution, analysis, modeling and preparation of test reports. The Electrical Subsystem Lead Engineer collaborates with the design team and influences design iteration along with interfacing with missile level integration engineers for hardware handoff and support. ### What You Will Do Work environment is primarily in an office and lab environment and may include occasional field work. Assignments may include integration and validation of electronics; analysis of hardware designs; influence architecture development/refinement; developing and documenting subsystem requirements and test plans; peer reviews of designs as a subject matter expert; presentations to peers, management, and government customers; and root-cause failure investigations. Raytheon has a strong culture of mentoring; it is expected that employees will be both mentors and mentees. Assignments may require executing and leading multiple efforts within one or multiple programs. Assignments may require being in a lab environment utilizing lab instrumentation and test equipment. Assignments may require some travel, including foreign travel. Assignments may require identifying opportunities to improve test efficiency and productivity. Assignments may require working in an environmental test lab facility. Assignments may require developing test plans, test procedures, test readiness reviews, test reports, and test data reviews. Assignments may require conducting failure investigations, identifying root causes and implementing corrective actions. Work within a multi-disciplined team. Work alone, with little supervision. Develop a network and know when to use it to get help. Collaboration with both Functional and Program higher level management. Collaboration with Customer and Suppliers. ### Qualifications You Must Have: Typically requires a bachelor’s degree in science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of prior relevant experience with electrical hardware development and/or testing Five years of experience in one or more of the following areas: RF product and subassembly design, integration, and production/supplier support Analog and power subassembly design, integration, and production/supplier support Digital or mixed signals subassembly design, integration, and production/supplier support Experience in requirement development, requirement validation 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. We Value: Missile guidance electronics subsystems typically contain antennas, analog circuit cards, RF circuit cards, digital circuit cards, and configurable logic. The ideal candidate will have a background in detailed design, testing and/or troubleshooting of one or more of these components. Ideal candidates will also have experience in systems engineering and architecture and have a desire to grow into engineering fellow. Experience working with environmental profiles and test configurations covering thermal, vibration, shock, humidity, altitude, and acceleration. Experience with lab instrumentation to troubleshoot and measure electrical signals. Experience with test equipment used to test the functionality of the electronics. Experience developing fault trees, 5-why’s, and fish bone root cause failure analysis. Experience working with missiles or similar systems. Experience working with systems requirements. Experience presenting at failure review boards, leadership, and customer. Experience leading small teams for test and integration efforts. Knowledge of mixed signal electronics. Manage cross-functional teams working on test and integration efforts such as Structural Analysts, Mechanical Engineers, Thermal Analysts, Test Architects, Systems Engineers, and others. Knowledge of DOD Hardware development process (knowledge of design gates). Practical experience in all phases of the product development lifecycle. Experience in developing test plans, test procedures, Test Readiness Reviews (TRR), test reports, and test data reviews. Knowledge and/or experience with Model Based System Engineering (MBSE). Interpersonal skills with the ability to interact positively with peers, suppliers, management, and customers in a production environment. Proven experience in balancing engineering process discipline and innovation for rapid development and program success. ### 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. 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 ## At a glance - Posted by the employer: Oct 24, 2026 - First seen by OpenNash: Nov 11, 2026 - Last checked: Nov 11, 2026 - Listed for: 18 days - Location: TUCSON, AZ, US - Employment type: Full-time[Apply on RTX’s careers site →](https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-AZ-TUCSON-9020--9020-S-Rita-Rd--BLDG-9020/Senior-Subsystem-Engineer_01880773) ## Hiring at RTX - Open jobs: 4,634 - New in the last 7 days: After two weekly collections - Tracked since: Jul 14, 2026 [All RTX jobs](https://jobs.opennash.com/companies/rtx/) · [Weekly hiring report](/reports/hiring/) ## More jobs at RTX ### [Senior Supervisor Facilities, Plumbing - First Shift (Onsite - Andover MA)](https://jobs.opennash.com/companies/rtx/jobs/a5ec3b5a243ecd46b83a/) ### [Senior Supervisor, Disk Machining (Onsite)](https://jobs.opennash.com/companies/rtx/jobs/18bff37e0c88c6b75f31/) ### [Senior Sustaining Project Engineer (Onsite)](https://jobs.opennash.com/companies/rtx/jobs/9174dc4f7b5251528ecb/) TROY, OH, US ### [Senior System Engineer](https://jobs.opennash.com/companies/rtx/jobs/68fedf1fc8c4a53f59e1/) TUCSON, AZ, US ### [Senior System Safety Engineer](https://jobs.opennash.com/companies/rtx/jobs/5d115428c90775b78592/) TUCSON, AZ, US ## Similar jobs at other companies ### [Subsystem Design Engineer - Early Career](https://jobs.opennash.com/companies/lockheed-martin/jobs/00b95255f3ffa1da0da6/) Lockheed Martin · Fort Worth, TX ### [Staff Software Engineer — SubSystem Integration Test (SSIT)](https://jobs.opennash.com/companies/qualcomm/jobs/5aa7b2ee94531474fb49/) Qualcomm · San Diego, California, United States of America ### [Container Subsystem Design & Release/TVM Engineer, Ford Energy](https://jobs.opennash.com/companies/ford-motor/jobs/01d87604200cf2f3c166/) Ford Motor · Dearborn, MI, United States [Operations jobs](/functions/operations/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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