Principal Electrical Engineer - Digital Circuit Card Design

Date Posted: 2026-08-12 Country: United States of America Location: US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ 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: Active and existing security clearance required after day 1 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. 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. This position can be for the Tewksbury, MA location or the Marlborough, MA location. What You Will Do Design embedded processor circuit boards using CAD tools Work within a team of engineers developing designs based on modeling and simulations Work with Systems Engineers and other development team members in translating 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 Qualifications You Must Have Typically requires a 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 (ie. PCIE, 100GbE) designs 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 Qualifications We Prefer 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 Some FPGA development or verification skills using SystemVerilog, OVM, or VHDL with some experience with vendor logic synthesis tools (such as Xilinx Vivado) Knowledge of all Microsoft Office products (Word, Excel, Visio, Outlook, and PowerPoint) Willingness to support occasional domestic travel and potential international travel Existing DoD security clearance 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 eligible for relocation. Learn More & Apply Now! Please consider the following role type definition as you apply for this role. 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. Clearance Information: 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: Raytheon Information - #LI-CV1 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms