Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Lead Nuclear Engineer

$140.5k - $237.3k

Radiant Industries

Job Description Job Description Lead Nuclear Engineer Radiant is seeking a technical and people-oriented leader for our nuclear design and analysis group focused in areas such as core physics, shielding, instrumentation & controls, and reactor operations. You will lead a high-performing team through the design, development, and test stages of the Kaleidos microreactor. You will own the schedule, budget, hiring, and execution of nuclear-related milestones with a key focus on safety, reliability, portability, and performance. The ideal candidate is comfortable in interdisciplinary environments working cross-functionally with engineers and leadership, is fluent in engineering first principles, has tenacious creative problem-solving abilities and keen to get to the solution of a problem, and loves to mentor and motivate engineers to deliver their best work. You will play a critical role in driving the first portable nuclear microreactor to market. Responsibilities and Duties: Manage an interdisciplinary team of nuclear engineers focused in areas such as safety analyses, core performance, shielding – including operational dose, activation, shutdown dose – I&C, operations, thermal-hydraulics and more. Hire, lead, and grow a high performing team of nuclear engineers. Own nuclear engineering projects end to end including requirement capture, multi-disciplinary design iteration, simulation pipeline development, analysis post-processing, and summarization for regulatory deliverables. Collaborate with regulatory team on nuclear industry standards and requirements. Mentor engineers through actionable feedback and coaching. Required Qualifications and Skills: Bachelor’s degree in nuclear engineering or equivalent degree from accredited institution. 5+ years nuclear engineering industry experience with relevant software use, including MCNP and/or OpenMC. Deep knowledge of neutron transport and Monte Carlo simulation theory. 1+ year managing direct reports. Desired Qualifications and Skills: Master’s or PhD in nuclear engineering or equivalent degree from accredited institution. Subject matter expert in one of following areas: safety analysis, shielding, instrumentation and controls, reactor operations, and/or radioactive material transportation. Hands-on experience designing hardware and/or performing tests. Experience with High-Performance Computing. High-level understanding of government regulatory requirements and engineering practices required to build a safe, reliable reactor. Self-starter and autonomous in planning, scheduling, and leading teams to execute on milestones on time. Experienced leading teams in fast-paced environments, complex technical environment. Expert communicator up and down the chain and effectively acts as a technical advisor. Ability to make sound judgement calls based on company priorities and resources. Tenacious in finding creative solutions to complex problems. 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 Benefits Radiant 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: View email address on click.appcast.io. We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. Compensation Range: $140.5K - $237.3K

Vacancy posted 7 hours ago
Similar jobs that could be interesting for youBased on the Lead Nuclear Engineer in El Segundo, CA vacancy
  •  ...creative spirit and join us at MPD!The Nuclear Hardness & Survivability (NH&S) department...  ...What You Need to be Successful - Engineering Specialist Minimum Requirements: Degree...  ...requirements are met Proven abilities leading radiation testing campaigns at the part,... 
    Suggested
    Immediate start
    Remote work
    Relocation package
    Flexible hours

    Navstar

    El Segundo, CA
    4 hours ago
  • $133.5k - $184.8k

     ...Job Description Job Description Senior Nuclear Engineer Radiant is seeking a driven Senior Nuclear Engineer to join our team! You will own modeling methods and reactor physics calculations of neutronics parameters such as reactivity, kinetics parameters, and energy deposition... 
    Suggested
    Full time
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    7 hours ago
  •  ...the world's first mass-produced, portable nuclear microreactors. The company's first...  ...nuclear development leverages modern software engineering to rapidly deliver safe, factory-built...  ...analysis, and radiation detection. You will lead and own nuclear engineering initiatives... 
    Suggested
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant

    El Segundo, CA
    6 hours ago
  • $106.5k - $146.48k

     ...Job Description Job Description Reactor Operations Engineer, Nuclear Radiant is a seeking a nuclear engineer responsible for designing and implementing nuclear-specific testing operations at our 2026 demonstration. You will be responsible for the design of a large portion... 
    Suggested
    Full time
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    7 hours ago
  • $158k - $247.28k

     ...the world’s first mass-produced, portable nuclear microreactors. The company’s first...  ...nuclear development leverages modern software engineering to rapidly deliver safe, factory-built...  ...About the Role Radiant is seeking a  Lead Test Engineer, Power Generation to own the... 
    Suggested
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    15 days ago
  • $160k - $200k

     ...Lead Engineer - Space Solar Hardware Position Details Location: Los Angeles (Hawthorne), CA Employment Type: Full-time Department: Starlight Solar About Starpath Starpath develops and manufactures the technologies that will enable humans to live... 
    Permanent employment
    Full time

    Starpath Corporation

    Hawthorne, CA
    3 days ago
  • $117.3k - $175.9k

     ...checkout and launch activities. We are seeking a Technical Product Lead to take ownership of STARS 2.0, our cloud-based software platform that hosts mission-critical applications for launch engineering and mission assurance work. Reporting directly to the... 
    Full time
    Work at office
    Immediate start
    Remote work
    Relocation package
    Flexible hours

    The Aerospace Corporation

    El Segundo, CA
    3 days ago
  • Role Overview: This role is for a Data Center/Cloud & Automation Subject Matter Expert (SME) focusing on the management and support of Linux servers, designing and maintaining AWS cloud infrastructure, and implementing robust automation solutions using Infrastructure...

    Prophecy Technologies

    Culver City, CA
    3 days ago
  •  ...Job Title: Nuclear Engineer (Naval Reactors Engineer) Are you the right applicant for this opportunity Find out by reading through the...  ...shipyards, and fleet support issues; progressive responsibility leading projects and becoming a subject matter expert, with... 
    Apprenticeship
    Work at office

    US Navy

    Huntington Park, CA
    7 hours ago
  • $145k - $235k

     ...Job Title: Lead GNC Engineer Job Description The Lead GNC Engineer drives the design, verification, validation, testing, and characterization of guidance, navigation, control (GNC) and perception systems that enable manual, semi-autonomous, and fully autonomous... 
    Permanent employment
    Remote work
    Home office
    Flexible hours

    Actalent

    Hawthorne, CA
    3 days ago
  •  ...Job Description Job Description Description As the Lead Antenna Engineer at Impulse , your core responsibility will be to lead a team designing antenna systems for spacecraft communication systems and GNSS receivers. You will work with RF engineers, avionics hardware... 
    Permanent employment
    Full time

    Impulse Space

    Redondo Beach, CA
    7 hours ago
  • $138k - $167k

     ...The Lead Engineer, Identity Management is responsible for the design, engineering, and operational excellence of Sony Pictures Entertainment's (SPE) enterprise Identity and Access Management (IAM) ecosystem, with a primary focus on Okta Identity Governance, Identity Lifecycle... 

    Sony Pictures

    Culver City, CA
    3 days ago
  •  ...intelligence communities by providing systems engineering, integration, and test & evaluation...  ...System Delta 88 (SSC SYD88) to support Nuclear Command, Control, and Communications (NC...  ...challenges. Roles & Responsibilities: Lead and perform systems engineering and test... 
    Work experience placement
    Internship
    Local area

    The MITRE Corporation

    El Segundo, CA
    1 day ago
  • $170k - $185k

     ...electricity with zero operating emissions—modular, fuel-flexible, and engineered for the realities of today's energy demand. At the core is a...  ...we lend leaves our environment stronger than we found it. Lead with Love : We champion the success of our people, partners,... 
    Live in
    Flexible hours

    Arbor Energy

    El Segundo, CA
    7 hours ago
  • $168.1k - $227.4k

     ...to transform lives. It's why we work with some of the world's leading creators to produce and share audio storytelling with our millions...  ...ROLE This opportunity is for a Lead Software Development Engineer for Audible's Creator Team. Our teams build innovative tools to... 
    Internship
    Local area
    Flexible hours

    Amazon

    Culver City, CA
    1 day ago
  • $165k - $230k

     ...SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. LEAD SOFTWARE ENGINEER, FULL STACK - TOP SECRET CLEARANCE As a Lead Software Engineer in Special Programs, you will lead a team of software... 
    Permanent employment
    Temporary work
    Immediate start
    Weekend work

    SpaceX

    Hawthorne, CA
    2 days ago
  •  ...to transform lives. It's why we work with some of the world's leading creators to produce and share audio storytelling with our millions...  ...ROLE This opportunity is for a Lead Software Development Engineer for Audible's Creator Team. Our teams build innovative tools to... 

    Audible

    Culver City, CA
    23 hours ago
  •  ...multipurpose commercial planetary rovers that extend human capability beyond Earth. We are looking for experienced, driven engineers to help lead this work forward.  As the GNC and Perception Lead, you will own the autonomy systems that enable Astrolab’s rovers to operate... 
    Remote work
    Home office
    Flexible hours

    Astrolab

    Hawthorne, CA
    7 hours ago
  •  ...Job Description Job Description Description As the Lead for Spacecraft Components , you will own all aspects of spacecraft...  ...design.  Responsibilities Lead a team of all-star responsible engineers working on components including but not limited to deployable... 
    Permanent employment
    Full time

    Impulse Space

    Redondo Beach, CA
    a month ago
  • $179.52k

     ...jobs that impact everyone's life.Speak the language of innovation: where every customer story sparks a tech revolution?As a Lead Principal Engineer Applications in our Customer Collaboration and Technical Marketing team, you work hand-in-hand with our customers, enabling... 
    Local area

    Infineon Technologies AG

    El Segundo, CA
    3 days ago
  • $145k - $195k

     ...is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. LEAD IT SYSTEMS ENGINEER, LAUNCH As Lead IT Systems Engineer, you’re responsible for ensuring critical systems used in support of SpaceX’s launch... 
    Permanent employment
    Temporary work
    Weekend work

    SpaceX

    Hawthorne, CA
    3 days ago
  • $120.2k - $166k

     ...Lead Security Engineer Are you ready to link your passion with a purpose? At AirStrip, we build technology that enables clinicians to diagnose earlier than ever before, accelerate life-saving interventions, reduce the cost of care, and save lives. We provide mobile... 
    Hourly pay
    Full time
    Work at office
    Local area
    Remote work
    Flexible hours

    NantHealth

    El Segundo, CA
    2 days ago
  •  ...the solar system. We are seeking motivated, creative, and exceptional people to join our world-class team.    As a Lead Loads and Dynamics Engineer, you and your team will be responsible for the development of mechanical loads, environments (static, vibration, shock... 
    Full time
    For contractors
    Home office
    Flexible hours

    Astrolab

    Hawthorne, CA
    2 days ago
  • $150k - $200k

     ...You will be a senior technical contributor on Amca's mechanical engineering team, owning the design, build, or test of flight hardware...  ...over time. Responsibilities: Serve as the technical lead for a defined mechanical discipline, owning design decisions and... 
    Permanent employment

    Amca Llc

    El Segundo, CA
    1 day ago
  • $171.4k - $257.1k

     ...and operations of satellite, launch vehicle, ground control, and range systems. The ESS Program seeks a Sr. Space Systems Lead Payload Engineer to serve as the technical leader for payload engineering within an integrated program office supporting the U.S. Space... 
    Full time
    Contract work
    For contractors
    Work at office
    Immediate start
    Remote work
    Worldwide
    Relocation package
    Flexible hours

    The Aerospace Corporation

    El Segundo, CA
    3 days ago
  •  ...Lead Electrical Engineer (Avionics) As a Lead Avionics Electrical Engineer, you will be responsible for developing the Avionic systems for Impulse's next generation of space vehicles. You will manage a team of talented electrical engineers who design and test custom... 
    Permanent employment
    Full time

    Impulse Space

    Redondo Beach, CA
    4 days ago
  • $145k - $235k

     ...Job Title: Lead Simulations Engineer Job Description As a Lead Simulations Engineer, you will architect and build real-time and faster-than-real-time simulations for a next-generation extra-terrestrial rover program. You will design simulation infrastructure... 
    Permanent employment
    Work at office
    Home office
    Flexible hours

    Actalent

    Hawthorne, CA
    3 days ago
  • $138k - $167k

     ...Lead, Systems Engineering The Lead, Systems Engineering, will be a senior member and of a team accountable for the uptime and management of all SPE Global Enterprise Server Infrastructure. The Lead, Systems Engineering, is responsible for analysis, design, and development... 

    Sony Pictures Entertainment

    Culver City, CA
    2 days ago
  •  ...Sr Technical Lead - Software Engineering Primary Location Flexible Possible Hiring Locations Los Angeles Department 0949 - Software Engineering The Software Engineering, Sr. Technical Lead provides senior technical leadership for a team responsible for designing, building... 
    Temporary work
    Work experience placement
    Work at office
    Flexible hours

    Kinsley Power Systems

    Los Angeles, CA
    3 days ago
  •  ...complete systems instead of individual parts. Hadrian is backed by leading investors including T. Rowe Price, Lux Capital, Founders Fund,...  ...manufacturing efforts. The Role: Lead Manufacturing Engineer, Heat Treatment - We encourage all levels, SR IC- Director, to... 
    Permanent employment
    Full time
    Local area
    Relocation package
    Flexible hours

    Hadrian Automation

    Los Angeles, CA
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Lead Nuclear Engineer. Be the first to apply!