Principal Subsystems Integration Engineer

Date Posted:

2026-06-19



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

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. 

RTX is seeking an experienced GPS Guidance Electronics Subsystem Engineer to join the Guidance Electronics Team supporting advanced missile systems. This role is responsible for the development, integration, analysis, and validation of GPS-based navigation solutions used in mission-critical defense applications.

The selected engineer will work across the full product lifecycle, partnering with systems engineers, suppliers, and cross-functional engineering teams to develop and deliver advanced guidance electronics hardware. This position requires expertise in GPS technologies, RF electronics, navigation systems, subsystem architecture, requirements development, integration, testing, and troubleshooting.

Join us and help shape the future of aerospace and defense.

What You Will Do

• Work environment is primarily in an office, but may include labs, field work, or a combination.
• Assignments may include guiding a team through several phases of hardware systems lifecycle such as designs and analysis; architecting new electronic systems; 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.

Missile Systems has a strong culture of mentoring; it is expected that employees will be both mentors and mentees.

• Assignments may require supporting multiple programs or multiple programs’ portfolio.
• Assignments may require some travel, including foreign travel.
• Assignments may require technical knowledge of the various system level configurations.
• Assignments may require technical knowledge of each subsystem within the system.
• Assignments may require understanding of the system interfaces within the electronics subsystems and system level architectural design.
• Assignments may require understanding of the system’s timelines and system’s requirements.
• Assignments may require solving complex technical issues within system level down to circuit card level designs.
• Assignments may require leading failure investigation teams and to present failure investigation results to customers and higher-level management.
• Assignments may require leading circuit card re-design or new design efforts.
• Work within a multi-disciplined team.
• Collaboration with both Functional and Program higher level management.
• Collaboration with Customer and Suppliers.

What You Will Learn

The Advanced Effector Guidance Systems Department 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, 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.

The Advanced Effector Guidance Systems Department is searching for a Principal Subsystems Integration Engineer with experience in hardware design and verification, electrical architecture and system requirement verification. This role involves leading a technical team to solve complex and multi-disciplined problems through product development and integration for both subsystems and overall system level.  The Electrical Subsystems Integration Engineer is expected to be a technical subject matter expert (SME) in Guidance Electronics Hardware and provides both technical guidance and supervision in meeting project commitments and leading the team through critical design reviews. They also manage suppliers and may lead proposal development efforts.

Qualifications You Must Have

• Typically requires a Bachelor’s Degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 10 years of prior relevant experience with electrical hardware development, sub-systems, systems engineering, requirement development and/or requirement validation
• An advanced degree in a related field may be substituted for additional years of experience as follows: Master’s is equal to 2 years of experience, or a Ph.D. is equal to 4 years of experience.

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."

Qualifications We Prefer

Missile guidance electronics subsystems typically contain antennas, analog RF circuit cards, digital circuit cards, and configurable logic so the ideal candidate will have a background in designing and troubleshooting of one or more of these components. Ideal candidates will also have experience in project leadership, systems engineering and architecture and have a desire to grow into a higher level.

• Experience working with missiles or similar systems.
• Experience in Earn Value Management System (EMVS) and Cost Account Management (CAM)
• Knowledge of mixed signal electronics.
• Ability to manage and lead cross-functional teams.
• Ability to drive suppliers in meeting commitments.
• Ability to resolve technical issues efficiently.
• Experience working in system level integration spread benches.
• Knowledge of testing and integrating subsystems and system level for verifying functionality and environments.
• Practical experience in circuit card assembly design, manufacturing process, and test.
• Knowledge of DOD Hardware development process (knowledge of design gates).
• Practical experience in all phases of the product development lifecycle.
• Experience in developing proposals.
• Knowledge and/or experience with Model Based System Engineering (MBSE)

Learn More & Apply Now

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:

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.

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite. Ratio of time working onsite will be determined in partnership with your leader.

Remote: Employees who are working in Remote roles will work primarily offsite (from home). If you live within a reasonable commute of an RTX site with other colleagues you interact with, your manager will discuss whether there is a degree of onsite presence associated with this role.

Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.

Requires advanced to expert knowledge of work area typically obtained through advanced education combined with experience.

May have broad knowledge of project management. Requires substantial knowledge of RTX projects, programs or systems in order to provide enhancements within job area.

Typically requires: A University Degree or equivalent experience and minimum 8 years prior relevant experience, or An Advanced Degree in a related field and minimum 5 years experience

Engineering/Other Technical Positions: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience unless prohibited by local laws/regulations.

What We Offer

Our 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 is 100% onsite in Tucson, AZ and is eligible for relocation assistance.

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 107,500 USD - 204,500 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.

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