Radiant · 17 hours ago
Principal FPGA Engineer
El Segundo, CA
Full-time
Onsite
Lead/Staff
$200K/yr - $266K/yr
10+ years expRadiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. They are seeking a Principal FPGA Engineer to lead the technical development of mission-critical FPGA systems for reactor instrumentation and control, while mentoring engineers and collaborating cross-functionally to ensure safe operations of fission reactors.
EnergyRenewable EnergyClean EnergyEnergy Efficiency
No H1B
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
Qualification
Required
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
Preferred
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
Benefits
Substantial incentive stock plan for all full-time employees.
100% premium coverage for base Silver level plan for employee + 50% premium coverage for dependents. Platinum plans available.
Sponsored memberships for eligible employees and their dependents.
100% premium coverage for top tier plan + 50% for dependents.
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.
Company
Radiant
Radiant develops portable nuclear microreactors designed to generate electricity and heat in a compact, factory-built form.
51-200 employees
Funding
Current Stage
Late StageTotal Funding
$518.82MKey Investors
Boost VC,Draper AssociatesAlumni Ventures,DCVCAndreessen Horowitz
2025-12-17Series D· $300M
2024-11-14Series C· $165M
2023-04-18Series B· $40M
Leadership Team
Doug Bernauer
Chief Executive Officer
Recent News
alleywatch.com
2026-01-23
2026-01-07
The Motley Fool
2026-01-04
Company data provided by crunchbase