Principal Engineer-Digital Signal Processing FPGA Designer

Date Posted:

2026-09-15

 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:

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.

The Radar Digital Products Department in the Hardware Engineering Directorate at Raytheon is seeking an experienced Principal Electrical Engineer with strong Digital Signal Processing (DSP) Field Programmable Gate Array (FPGA) design skills to join our team. This engineer will primarily develop and implement digital signal processing algorithms as well as implementing FPGA based designs for interface communications, controls and/or data processing applications. The individual is expected to work in a team environment and on various projects. The individual will be required to provide development support throughout the product lifecycle, from initial concept to acceptance delivery to maintenance.

This position can be for the Tewksbury, MA location or the Marlborough, MA location.

What You Will Do

Work with a team to determine the technical approach or solution to meet system level requirement to successfully complete FPGA-based designs, on time and on budget

May lead small teams and mentor junior engineers

Demonstrate self-motivation, with little supervision required

Design and deliver production quality FPGA releases from initial proof of concept up to production

Work cooperatively with systems, hardware, software engineers, and program management to ensure product success

Demonstrate the ability to architect FPGA-based systems to determine parts, interfaces, and Concept of Operations (CONOPS)

Translate system level requirements into FPGA requirements

Design and code in VHDL for reliability and maintainability

Verify designs utilizing self-checking techniques with directed and constrained random tests, while tracking functional and code coverage

Create complete documentation including requirements, verification plan, and user’s guides

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 DSP functions (ie. FFTs, FIR filters, etc) in FPGAs using VHDL/Verilog and VHDL simulation tools

Experience designing filters in Matlab

Experience with high speed interfaces such as 100 GbE, PCIE, DDR

Experience with Timing Closure and utilizing Chipscope / Signal Tap

Qualifications We Prefer

Experience with RADAR system hardware

Experience developing DSP algorithms and FPGA designs using High Level Synthesis (HLS)

Working knowledge/course work of signal & image processing, digital communications and/or control theories

Experience using synthesis tools including Synplify and back-end tools including Xilinx Vivado, Intel Quartus and others

Experience and knowledge developing and selling off requirements for FPGAs

Working knowledge of Configuration Management principles, environments and tools

Working knowledge in common computer hardware interface and data protocols such as RS-422, USB, PCIe, etc.

Working knowledge and experience with configuration management tools such as Synergy, Clearcase, or git

Proficiency in Linux

Working knowledge in the integration of software drivers for the operation of computer hardware interfaces a plus

Working knowledge of C/C++ and/or in computer scripting language such as Shell/Perl/Python a plus

Willingness to support occasional domestic travel and potential international travel

Existing 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: https://www.state.gov/m/ds/clearances/c10978.htm

Raytheon Information - https://www.youtube.com/watch?v=H26bUpq99zo

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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