About the RoleRadiant is seeking a Senior Manager of Embedded Engineering to lead the embedded software engineering team through the critical path to commercialization, planning and executing the embedded software architecture for I&C systems with a direct line to Kaleidos' 2028 deployment target. You will build and develop a high-performing team, manage cross-functional stakeholder relationships, and own execution across the full program lifecycle as we move from development into commercial readiness. The ideal candidate is a proven engineering leader who can operate at the intersection of people management, technical strategy, and organizational influence in an ambiguous early-stage environment. You will have the opportunity to shape the embedded software foundation of the first commercialized portable nuclear microreactor, technology that will redefine how the world accesses clean, reliable power.
Responsibilities and Duties- Build, grow, and manage a team of embedded engineers, owning hiring, performance, career development, and team culture.
- Partner with embedded technical leads on embedded software architectural decisions, testing frameworks, validation methodology, documentation standards, establishing patterns, and safety requirements.
- Manage cross-functional stakeholder relationships with electrical, controls, hardware, and executive leadership, aligning on priorities, interfaces, and constraints.
- Own program execution across the embedded engineering lifecycle, setting team expectations, managing delivery milestones, and ensuring accountability from architecture through field implementation.
- Drive organizational alignment on embedded software strategy through documentation, standards, and cross-functional communication.
Required Qualifications and Skills- Bachelor's degree in computer engineering, computer science, electrical engineering, or a related field.
- 8+ years of industry experience in embedded software, including significant ownership of system-level architecture decisions, real-time operating systems, and low-level programming.
- 3+ years of engineering management experience, including hiring, performance management, and team development.
- Deep proficiency in embedded C/C++.
- Demonstrated experience building and scaling engineering teams in fast-paced, hardware-intensive environments.
- Proven ability to manage and align cross-functional stakeholders across engineering, program, and executive leadership.
- Track record of translating technical strategy into team execution, setting priorities, removing blockers, and holding the team accountable for delivery.
- Strong communicator who can represent the embedded team's work and needs clearly to non-technical and executive audiences.
Desired Qualifications and Skills- Masters degree or higher in computer engineering, computer science, electrical engineering, or a related field.
- 5+ years of engineering management experience, including hiring, performance management, and team development.
- Experience leading teams working with Zephyr RTOS at an architectural or maintainer level.
- Experience overseeing Simulink Autocode C++ export in a production context.
- Experience managing large, multi-target embedded builds using CMake.
- Ability to engage at the hardware/software boundary, proficient in reading schematics and guiding hardware/software debug efforts.
- Experience in safety-critical or high-reliability domains (aerospace, defense, medical, nuclear, or industrial).
Additional Requirements- Must be willing to work extended hours and weekends as necessary to accomplish our mission.
- Must work 100% onsite at El Segundo HQ.
Benefits and Perks- Stock: Substantial incentive stock plan for all full-time employees.
- Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.
- One Medical: Sponsored memberships for employees and their dependents.
- Vision: 100% top tier plan coverage + 50% for dependents.
- Dental: 100% top tier plan coverage, orthodontia extra, 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.
Total Compensation and BenefitsRadiant compensates people for impact and invests in those who continue to raise the bar. Radiant's new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant.
The best of today's advanced reactor builders don't wait for job postings. They join the winning team. If that's you, contact us directly for immediate opportunities: [redacted].
