Principal FPGA Engineer
About The Position
Radiant is seeking an accomplished Principal FPGA Engineer to lead technical development within our Embedded Systems team. You will architect, design, and validate mission-critical FPGA systems for reactor instrumentation and control in safety-critical applications, including sensor fusion, actuator control, and deterministic communication protocols. This position demands mentoring engineers, establishing design standards, and collaborating cross-functionally with hardware, embedded software, and verification teams to develop robust architectures that ensure safe operation of fission reactors. You will drive innovation and technical excellence while being instrumental in validating the first commercial reactor design in over 50 years. This role is based onsite full-time in El Segundo, CA.
Requirements
- Bachelor's degree in computer engineering, electrical engineering, or related field; Master's strongly preferred.
- 10+ years of experience architecting and delivering FPGA-based systems.
- Expert proficiency in VHDL and RTL design methodologies.
- Proven track record in resolving complex timing closure and signal integrity challenges.
- Deep expertise with advanced multi-clock domain architectures and clock domain crossing techniques.
- Mastery of formal verification methodologies and simulation frameworks.
Nice To Haves
- Proficiency in embedded C/C++ and hardware-software co-design principles.
- Experience in architecting solutions on Microchip PolarFire SoC platforms.
- Strong Linux kernel development and advanced bash scripting capabilities.
- Container orchestration experience with Docker and modern CI/CD pipelines.
- Outstanding technical documentation and cross-functional leadership in complex engineering environments.
Responsibilities
- Architect and own complex sensor processing and control systems from concept through production deployment.
- Establish VHDL design standards, coding guidelines, and review team implementations.
- Lead FPGA/SoC platform selection, evaluation, and integration strategies.
- Develop comprehensive verification frameworks and automated test infrastructure for continuous validation.
- Drive the technical roadmap in collaboration with the embedded software leadership team.
- Mentor engineers and establish best practices across disciplines while fostering technical excellence.
Benefits
- Lead integrated cross-functional teams spanning embedded software, FPGA, and hardware disciplines.
- Shape technical direction and influence product architecture beyond traditional FPGA scope.
- Own complete design lifecycle with significant organizational impact and technical autonomy.
- Stock: Substantial incentive stock plan for all full-time employees.
- Medical: 100% premium coverage for base Silver level plan for employee + 50% premium coverage for dependents. Platinum plans available.
- One Medical: Sponsored memberships for eligible employees and their dependents.
- Vision: 100% premium coverage for top tier plan + 50% for dependents.
- Dental: 100% premium coverage for top tier plan (including orthodontia) + 50% for dependents.
- Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.
- 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.
- Daily catered lunch. Free snacks and drinks.
- Flexible PTO policy. Remote workday allocation.
- Company and team-bonding events, happy hours and in-person camaraderie.
- Beautiful El Segundo headquarters close to the Pacific Ocean.
- Burgeoning satellite offices in Oak Ridge, TN and Washington, D.C., near Capitol Hill.
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What This Job Offers
Job Type
Full-time
Career Level
Principal
