Senior Manager of Technical Program Management, Radiant Nuclear

• 8+ years of experience in technical program management, with increasing levels of leadership responsibility
• Proven track record managing large-scale, interdisciplinary engineering programs — ideally involving both hardware and software – on time, and on budget
• Strong familiarity with engineering development lifecycles in high-regulation, high-risk domains (e.g., aerospace, energy, defense, or automotive)
• Demonstrated success in aligning executive and technical stakeholders around complex initiatives with tight timelines
• Experience in creating and managing budgets, schedules, and resource plans across multiple teams or departments
• Exceptional communication, influence, and leadership skills; able to drive accountability and foster alignment in a fast-paced startup environment
• Must be willing to work extended hours and weekends as necessary to accomplish our mission
• Must work 100% onsite at El Segundo HQ

Desirable

• Radiant is seeking a Senior Manager, Technical Program Management to lead the strategic execution of complex engineering programs critical to delivering the world’s first portable nuclear microreactor. This high-visibility role will oversee cross-functional program planning, alignment, and execution across Radiant’s engineering, operations, and leadership teams
• You will drive the delivery of integrated, multi-disciplinary technical initiatives — aligning timelines, resources, and milestones in service of our mission to deploy a new commercial reactor design for fueled operation by 2026.
• This role requires an exceptional aptitude for proactively spotting roadblocks and pre-emptively aligning resources to remove those blocks, thereby bringing clarity, structure, and momentum to complex, high-stakes efforts
• Drive company-wide technical programs and own the technical outcomes. You will be responsible for everything from planning through execution, ensuring delivery of key milestones across design, prototyping, testing, and deployment
• Partner with executive leadership to set priorities, develop integrated roadmaps, and drive investment decisions
• Foster new links between teams by leading cross-functional collaboration with engineering, operations, safety, regulatory, and commercial teams to ensure synchronization of goals and resources
• Establish and manage program-level risk frameworks, identifying critical dependencies, bottlenecks, and failure modes early — and working with teams to mitigate them decisively
• Communicate program status, challenges, and strategy updates clearly to executive stakeholders and external partners, all while holding each and every stakeholder accountable within defined frameworks