Principal Electrical Engineer - Digital Communication/Design Engineering

RTX; Tucson (AZ); On-site; USD 120,000 - 160,000; Full time

Job summary

RTX in Tucson invites an Electrical Subsystems Digital Principal Engineer to lead or support digital design efforts for guidance systems, focusing on FPGA-based architectures. This role emphasizes architecture, requirements, integration, and test within the AEGS department.

Ideal candidates bring 8+ years in digital design, system engineering, and CCA development, plus active DoD Secret clearance eligibility. Occasional travel and collaboration with customers and suppliers are expected.

Qualifications

• Bachelor's degree in science, technology, engineering, or mathematics (STEM) required; 8+ years of relevant experience preferred.
• Experience in digital sub-systems, systems engineering, and circuit card design.
• Active and transferable U.S. government Secret clearance required; U.S. citizenship needed for clearance eligibility.

Responsibilities

• Lead or support digital design efforts for development guidance systems with FPGA-centric designs.
• Support component-level design and test reviews.
• Engage in hands-on hardware testing and debugging of complex circuit card assemblies.
• Mentor and be mentored within a strong engineering culture.
• Collaborate with functional and program management and external customers/suppliers.
• May travel ~25% to support program needs and lifecycle activities.

Skills

FPGA design

Digital electronics

System integration

Hardware testing

Mentoring

Education

Bachelor's degree in STEM

Tools

CCA Schematic Capture

Interconnect Capture

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