Principal Electrical Engineer - Digital Circuit Card Design

Date Posted: 2026-08-12 | Location: Tewksbury, MA (or Marlborough, MA) | Onsite | U.S. citizenship required to obtain and maintain a DoD Secret security clearance; active clearance required after day 1.

About the Role

The Radar Digital Products Department is seeking a Principal Electrical Engineer with strong mixed-signal, high-speed digital circuit design skills. Our digital electronic system designs include signal processing, command and control, communications, and user interfaces for military applications.

Responsibilities

• Design embedded processor circuit boards using CAD tools.
• Work within a team of engineers developing designs based on modeling and simulations.
• Collaborate with Systems Engineers and other development team members to translate system performance and operational specifications into hardware requirements, design, and test specifications.
• Help drive projects and execute to program schedules on time and budget.
• May lead small teams and mentor junior engineers.
• Demonstrate self-motivation, with little supervision required.
• Support internal and external technical reviews.

Requirements

• Degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.
• Experience implementing high-speed memory (DDR) and high-speed circuit designs (e.g., PCIe, 100GbE).
• Power Integrity/Signal Integrity analysis skills, including experience using tools such as Hyperlynx SI.
• Experience fielding, troubleshooting, constructing test and integration plans on a variety of systems, including custom-designed processor and/or FPGA-based circuit boards.
• Experience using engineering CAD tools such as Mentor Graphics Xpedition Designer for the design of complex circuit board assemblies.
• Experience working in a laboratory environment using logic analyzers and oscilloscopes to test and verify the functions of digital and mixed-signal circuits and systems.

Preferred Qualifications

• Experience implementing low-noise, low-voltage, high-current power regulation designs.
• A history of successfully addressing thermal challenges.
• Embedded system design experience utilizing microprocessors and microcontrollers along with C code-based programming.
• FPGA development or verification skills using SystemVerilog, OVM, or VHDL, with experience using vendor logic synthesis tools (e.g., Xilinx Vivado).
• Knowledge of Microsoft Office products (Word, Excel, Visio, Outlook, PowerPoint).
• Willingness to support occasional domestic travel and potential international travel.
• Existing DoD security clearance.

Benefits

• Medical, dental, and vision insurance.
• Life insurance, short-term disability, and 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.
• Eligibility for annual short-term and/or long-term incentive compensation programs (dependent on role level and collective-bargaining agreement status).
• Relocation assistance.

Pay

The salary range for this role is $107,500 – $204,500 USD. The range provided is a good-faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including role, function, responsibilities, work experience, location, education/training, and key skills.