Principal Firmware​/FPGA Engineer; Onsite

Company Overview

RTX Corporation is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry‑leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. RTX was formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, and is headquartered in Arlington, Virginia. At RTX BBN Technologies, we invent new science by applying radical cross‑disciplinary techniques to prototype systems to prove concept viability.

This is especially evident in our Physical Systems and Sciences group, located in Cambridge, Massachusetts.

FPGA Design Engineer – Cambridge, Massachusetts (Onsite). The position requires a U.S. citizen with a valid DoD Secret clearance. The role will develop real‑time embedded systems, RTL, FPGA design, and high‑speed interfaces for advanced R&D hardware.

• Design, analyze and prototype innovative multi‑domain system architectures.
• Develop real‑time control system architectures to affect the performance of physical systems.
• Develop sophisticated detection, classification, localization, and tracking algorithms against state‑of‑the‑art threats in high‑noise environments.
• Support development and testing of experimental testbeds for real‑time sensor processing systems, quantum information systems, integrated photonic systems, and other physical science pursuits.
• Implement and evaluate real‑time systems in realistic mission scenarios and conduct operational analysis.

• Degree in STEM and minimum 8 years of relevant experience, or an advanced degree with minimum 5 years of experience.
• Professional experience in FPGA development processes: RTL design, verification, timing analysis, board bring‑up, and validation.
• Understanding of Digital Signal Processing fundamentals and their implementation on FPGAs.
• Experience with high‑speed interfaces, including Ethernet, serial point‑to‑point communication (sFPDP, SPI), and high‑speed memory interfaces (HBM2, DDR).
• Scripting development experience (bash, Tcl, etc.).
• Ability to obtain and maintain a U.S. government‑issued security clearance.

• Experience with SoC boards running bare‑metal code and configuring/deploying embedded Linux (e.g., Petalinux).
• Experience with RFSoC boards and/or high‑speed analog signal generation and digitization.
• Familiarity with building Linux drivers for FPGA peripherals.
• Experience with high‑level synthesis tools, including Blue Spec System Verilog.
• Software development experience in C/C++ and Python.

• Competitive salary range: $107,500 – $204,500.
• Full‑time benefits: medical, dental, vision, life insurance, short‑term and long‑term disability, 401(k) match, flexible spending accounts.
• Paid time off, holidays, parental leave, flexible work schedules.
• Relocation assistance available.
• Career development, recognition programs, and access to RTX R&D opportunities.

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, veteran status, or any other applicable state or federal protected class. RTX provides affirmative action 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.