Principal Electrical Engineer - Digital Communication/Design Engineering

RTX; Tucson (AZ); On-site; USD 108,000 - 205,000; Full time

Benefits offered by this job

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

Holidays

Job summary

RTX is seeking an Electrical Subsystems Digital Principal Engineer in Tucson, AZ to lead digital design efforts for development guidance systems with FPGA architectures. You will architect and integrate digital subsystems within the AEGS team, collaborating with customers, suppliers, and program management.

The role emphasizes mentoring, hands‑on debugging, and multi‑phase hardware development, with travel up to 25%, and will involve design reviews, testing, and documenting subsystem

Qualifications

• Typically requires a bachelor’s degree in science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience unless prohibited by local laws/regulations
• Eight years of experience in Analog, digital, and power electronics design, integration, and production support
• Decomposition of high‑level requirements into actionable design electronics and subsystem architecture
• Subsystem architectural design
• Experience in Digital sub‑systems, systems engineering, requirement development, requirement validation, Circuit Card Assembly (CCA) Design, Digital Test Integration and/or Digital Supplier Management on an effector‑based product
• 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.

Responsibilities

• Lead or Support Digital Design Efforts for development guidance systems focused around designs containing FPGA's
• Enhance electrical engineering skills by working with digital and/or analog hardware testing and debugging complex circuit card assemblies or electro-mechanical systems.
• Prior hands‑on troubleshooting experience is preferred
• Support component level design and test reviews
• Raytheon has a strong culture of mentoring; it is expected that employees will be both mentors and mentees
• Collaboration with both Functional and Program higher level management.
• Collaboration with Customer and Suppliers
• Assignment may require some travel (~25%)
• Assignments may include being a team member or 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.

Skills

FPGA design

Digital design

Power electronics

Circuit debugging

Mentoring

Collaboration

Education

Bachelor’s degree in STEM

Job description

Date Posted: 2026-11-03 Country: United States of America Location: US-AZ-TUCSON-M02 ~ 1151 E Hermans Rd ~ BLDG M02 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 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. Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. 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.

The Advanced Effector Guidance Systems (AEGS) Department within Raytheon Hardware Engineering provides Electrical Systems Engineering to develop Electronic Systems solutions for products across the Raytheon portfolio. Our core electrical engineering responsibilities include architecture, requirements, integration, and test. Our core electrical engineering technologies include RF/RADAR, Navigation/IMU/GPS, Data Link/Communication, Digital, and Power. We partner with several Electrical Product Team departments that provide the detailed design of our electrical products as well as systems teams. The AEGS Department is searching for an Electrical Subsystems Digital Principal Engineer with experience leading or supporting a multi-disciplinary system design and integration team. The role of the Principal Engineer will be to lead or support digital design efforts, digital subsystem architecture design or initial integration efforts of development guidance systems. This role may include Control Account Management (CAM) responsibilities so Earned Value (EV) certification is preferred.

What You Will Do

• Lead or Support Digital Design Efforts for development guidance systems focused around designs containing FPGA's
• Enhance electrical engineering skills by working with digital and/or analog hardware testing and debugging complex circuit card assemblies or electro-mechanical systems.
• Prior hands‑on troubleshooting experience is preferred
• Support component level design and test reviews
• Raytheon has a strong culture of mentoring; it is expected that employees will be both mentors and mentees
• Collaboration with both Functional and Program higher level management.
• Collaboration with Customer and Suppliers
• Assignment may require some travel (~25%)
• Assignments may include being a team member or 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.

Qualifications You Must Have

Typically requires a bachelor’s degree in science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience unless prohibited by local laws/regulations

• Eight years of experience in one or more of the following areas: Analog, digital, and power electronics design, integration, and production support
• Decomposition of high‑level requirements into actionable design electronics and subsystem architecture
• Subsystem architectural design
• Experience in Digital sub‑systems, systems engineering, requirement development, requirement validation, Circuit Card Assembly (CCA) Design, Digital Test Integration and/or Digital Supplier Management on an effector‑based product
• 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.

Qualifications We Prefer

• Proficient in digital design tools for CCA Schematic Capture, Interconnect Capture and Harness Design
• Prior experience as a technical leader on a complex subsystem during Engineering, Manufacturing, and Development (EMD) Phase
• Advanced degree in engineering, mathematics, physics, or related engineering degrees.
• Systems engineering thought process with analytical skills background.
• Highly self‑motivated individual that can perform multidiscipline work
• Electrical 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 to a higher level.
• Able to network and/or influence outside of the AEGS Department with other design and production support organizations, program leadership, other engineering disciplines and Manufacturing organizations.
• 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.
• Experience working with missiles or similar systems.
• Ability to effectively work multiple tasks and priorities.
• Knowledge of mixed signal electronics.
• Practical experience in all phases of the product development lifecycle.
• Experience in developing proposals.
• Experience leading large, complex trade studies
• Experience developing and materializing conceptual designs and integrating them into a system of systems

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. This position offers relocation based on candidate 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 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
• 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.

RTX Company Overview

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.