Senior Principal Electrical Engineer-Digital Design - Onsite Tucson, AZ

RTX; Albuquerque (NM); On-site; USD 132,000 - 252,000; Full time

Benefits offered by this job

relocation

Job summary

RTX is seeking a Sr Principal Digital Design Engineer for 100% onsite work in Tucson, AZ. You will design digital electronics for missile applications, including processors, FPGAs and memory, with interfaces such as PCIe, Ethernet and SPI.

This role requires DoD secret clearance eligibility and extensive hands-on circuit design experience. The position emphasizes end-to-end hardware development, verification, and production transition, collaborating across multi-disciplinary teams in a

Qualifications

• Requires STEM degree with extensive engineering experience (≥10 years) in digital circuit design.
• Proven ability to take designs from concept to hardware, verification and production readiness.
• Experience with PCB design processes, schematic capture, and pre-hardware verification.

Responsibilities

• Design, analyze, simulate, test and integrate digital modules for missile applications.
• Develop hardware with processors, FPGAs and memory.
• Implement industry interfaces (PCIe, Ethernet, I2C, SPI, UART) and ensure design robustness.

Skills

Digital design

FPGAs

Memory

Industry interfaces

Hardware design with processors

Education

Bachelor's degree in STEM

Master’s degree in Electrical Engineering

Tools

Mentor Graphics DxDesigner

Siemens EDA DxDesigner VX

Xilinx Vivado/Xilinx tools

HyperLynx

Xpedition Enterprise

Job description

Date Posted: 2026-07-31

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 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 Effector Digital Products (EDP) department designs digital electronic circuit cards and electronic units which are supported from proposal through transition to production. Our systems are subject to environments ranging from the frigid, sub-zero vacuum of space to the blistering heat of the desert floor, to the high pressures of the ocean depths.

The Digital, RF and Power Team is seeking a Sr Principal Digital Design Engineer with digital electronics design and analysis skills to join our team.

This position is 100% ONSITE in Tucson, Arizona.

What You Will Do

We are looking for candidates willing to collaborate, innovate, and team with our engineers to generate and utilize today’s cutting-edge technology to design digital electronics circuits that implement missile guidance, video and digital signal processing. Our technology base includes high-speed digital electronics, configurable logic, and homogeneous / heterogeneous multiprocessor designs.

The Sr Principal Digital Design Engineer is responsible for the design, analysis, simulation, test, and integration of digital electronic modules and/or CCAs for Missile applications. The candidate should be experienced in all aspects of circuit card design including:

• Hardware designs with processors
• FPGAs
• Memory
• Industry interfaces, such as PCIe, Ethernet, I2C, SPI, and UART

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience
• Minimum of 10 years of engineering digital circuit design experience to include the following:
• Development and design of electronic circuit designs, multi-assembly system/unit design
• Ability to take a design concept from the block diagram or requirements level to development of a complete hardware design, and verification via test and integration
• Experience with PCB design process and expertise in tools used to design (schematic capture), analyze and simulate designs prior to hardware execution.

Qualifications We Prefer

• Master’s degree in Electrical Engineering
• Experience using Mentor Graphics Design Creation (Siemens EDA) tools: DxDesigner, xDX Designer VX, and Xilinx (Zynq Ultrascale, Vivado, Atrix)
• Experience with embedded test techniques, design for test, design margin analysis and design for production for complex circuit card assemblies between 16 and 32 layers
• Experience using PCB electronic circuit design software: HyperLynx signal integrity, power integrity, and analog simulation, Xpedition Enterprise (xPCB)
• Capable of functioning in multi-disciplined design teams across multiple projects
• Experience with FPGA code development or software
• Experience leading a program transition from development to production
• Team and project leadership skills
• Experience managing technical/schedule risks to identify cost reduction opportunities to meet assigned deadlines
• Knowledgeable in cost/schedule development and management
• A strong advocate for process improvement
• Experience with intellectual property generation (patents & publications)

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 offers relocation

Please consider the following role type definition as you apply for this role:

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 a 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.htm

This 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-location

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 132,400 USD - 251,600 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.