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

Staff Mechanical Engineer, Fluid Systems — Nuclear Power

Radiant Industries

Radiant Industries, based in El Segundo, California, seeks a highly motivated Staff Mechanical Engineer. This role focuses on owning critical fluid systems for the innovative Kaleidos microreactor project, pioneering the industry with portable nuclear solutions. The ideal candidate will manage engineering tasks from design through production, ensuring the reliability and performance of vital systems. This position offers a comprehensive compensation package, including salary, equity, and health benefits. #J-18808-Ljbffr Radiant Industries

Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Staff Mechanical Engineer, Fluid Systems — Nuclear Power in El Segundo, CA vacancy
  •  ...mass‑produced, portable nuclear microreactors. The...  ...transported anywhere power is needed and run for...  ...leverages modern software engineering to rapidly deliver safe...  ...a highly motivated Staff Mechanical Engineer to own critical Kaleidos fluid systems from preliminary design... 
    Suggested
    Full time
    Summer work
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    5 days ago
  •  ...first mass-produced, portable nuclear microreactors. The company...  ...be transported anywhere power is needed and run for up...  ...leverages modern software engineering to rapidly deliver safe, factory...  ...a highly motivated Mechanical Engineer, Fluids Systems to help own critical Kaleidos... 
    Suggested
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours

    Pow.bio

    El Segundo, CA
    3 days ago
  • $95k - $130k

    SpaceX is seeking a Mechanical Engineer (Infrastructure Fluid Systems) in Hawthorne, California. This role involves designing and implementing advanced compressed air systems for cutting-edge manufacturing facilities. Responsibilities include mechanical system support,... 
    Suggested

    jobs.frontdoordefense.com - Jobboard

    Hawthorne, CA
    4 days ago
  • $105k - $125k

    Mechanical Engineer, Fluid Systems - 2026 New Graduate Own the end-to-end design and production ramp of Kaleidos...  ...the primary loop subsystems and power conversion loop, serving to convert...  ...across multidisciplinary teams. Prior nuclear experience in not required for this... 
    Suggested

    jobs.frontdoordefense.com - Jobboard

    El Segundo, CA
    1 day ago
  • $95k - $130k

    Mechanical Engineer (Infrastructure Fluid Systems) Design and implement advanced compressed air systems for state-of-the-art manufacturing facilities. Location: Hawthorne, California, United States Compensation: $95,000 - 130,000 USD / year About The Role SpaceX was founded... 
    Suggested
    Permanent employment
    Contract work
    Temporary work
    For contractors
    For subcontractor

    jobs.frontdoordefense.com - Jobboard

    Hawthorne, CA
    4 days ago
  • $100k - $135k

    A leading aerospace company is seeking a Mechanical Engineer to join its construction team in Hawthorne, CA. In this role, you will be responsible for designing and analyzing advanced HVAC and fluid systems critical to manufacturing processes. Candidates should have a Bachelor... 

    SPACE EXPLORATION TECHNOLOGIES CORP

    Hawthorne, CA
    3 days ago
  • Pow.bio, located in El Segundo, CA, is seeking a Mechanical Engineer, Fluids Systems to take ownership of fluid systems for the Kaleidos reactor project. Responsibilities include analyzing thermal and fluids systems, component selection, and managing suppliers to achieve... 
    Flexible hours

    Pow.bio

    El Segundo, CA
    4 days ago
  • $105k - $125k

    jobs.frontdoordefense.com - Jobboard is seeking a Mechanical Engineer, Fluid Systems, for their location in El Segundo, California. This role focuses on the design and production ramp of Kaleidos fluid systems. The ideal candidate will have a Bachelor's degree in relevant... 

    jobs.frontdoordefense.com - Jobboard

    El Segundo, CA
    1 day ago
  •  ...the belief that advanced nuclear energy can strengthen...  ...Team As a Senior, Thermo‑Mechanical Design Engineer, you will be the...  ...Reactor Cavity Cooling System (RCCS), leading the design...  ...minimizing wasted thermal power. This role involves thermal‑fluid analysis, piping and... 
    Permanent employment
    Weekend work

    Antares

    Los Angeles, CA
    4 days ago
  • Vital Lyfe in Los Angeles is seeking a skilled Mechanical Engineer to own and build core mechanical systems for innovative water technology. In this hands-on role, you will design, prototype, and validate hardware components to meet high production standards. The ideal... 

    Vital Lyfe

    Los Angeles, CA
    2 days ago
  • $175 per hour

    Steric Systems is seeking a Mechanical Engineer based in Culver City, CA to design and refine our food-grade spirits processing system. You'll lead engineering...  ...efforts including upgrading the frame structure and fluid flow design while ensuring compliance with food safety... 
    Hourly pay
    Flexible hours

    Steric Systems

    Culver City, CA
    2 days ago
  • $175 per hour

    Job Title : Mechanical Engineer for Food-Grade Liquid Processing System Location : Culver City, CA Employment Type : Contract / Part-Time Position Summary Mechanical...  ...welded stainless steel frame and case; refine fluid flow system comprising Tri-Clamp fittings, valves,... 
    Hourly pay
    Contract work
    Part time
    Remote work
    Monday to Friday

    Steric Systems

    Culver City, CA
    4 days ago
  • A leading engineering firm in El Segundo is looking for a highly motivated Mechanical Engineer specializing in fluid systems. The role involves managing critical fluid systems, conducting thermal and fluid analysis, and collaborating on components such as compressors and... 

    Radiant Industries

    El Segundo, CA
    5 days ago
  • A leading engineering firm is seeking a Senior Mechanical Engineer specializing in Fluid Systems to manage critical fluid technology from design to production. This role involves complex thermal analysis, component selection, and vendor collaboration to contribute to innovative... 

    Radiant Industries

    El Segundo, CA
    3 days ago
  • United States Digital Space LLC in Hawthorne, CA is seeking a Sr. Mechanical Engineer (HVAC) to design and activate advanced manufacturing facilities. You will become an expert in HVAC and fluid systems, driving impactful solutions in the quest for space exploration. The... 

    United States Digital Space LLC

    Hawthorne, CA
    3 days ago
  •  ...produced, portable nuclear microreactors. The...  ...anywhere power is needed and run...  ...leverages modern software engineering to rapidly deliver...  ...motivated Senior Mechanical Engineer to join the...  ...power generation systems. Perform dynamic...  ...rolling element, fluid film, magnetic) based... 
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant-Industries

    El Segundo, CA
    5 days ago
  • A maritime service provider is seeking a First Assistant Engineer to oversee the maintenance and operation of its engineering plant on...  ...crucial role requires strong problem-solving abilities and mechanical expertise as well as a valid U.S. Coast Guard license. Candidates... 

    Seaward Services Inc.

    Los Angeles, CA
    2 days ago
  • $87.02k - $185.82k

    Tesla Motors, Inc. in Hawthorne, California, is looking for a Mechanical Engineer specializing in robotics integration. The role emphasizes...  ...collaboration across teams to ensure innovative solutions for robotic systems. Candidates should possess strong mechanical engineering... 

    Tesla Motors, Inc.

    Hawthorne, CA
    5 days ago
  • Staff Mechanical Engineer, Turbomachinery Karman Industries is seeking an experienced Staff Mechanical...  ...the next generation of heat processing systems. The successful candidate will be...  ...Knowledge of high‑temperature, high‑pressure fluid systems, steam cycles, or... 
    Permanent employment
    Full time

    Karman Industries

    Los Angeles, CA
    1 day ago
  • Latent AI is seeking a Sr. Mechanical Engineer (HVAC) to join our Hawthorne, CA team. In this role, you will design and manage advanced HVAC and fluid systems, working closely with various interdisciplinary teams. If you have a passion for innovation in the aerospace sector... 

    Latent AI

    Hawthorne, CA
    4 days ago
  • $120k - $200k

    MECHANICAL ENGINEER (COMPLEX PRECISION SYSTEMS) Freeform builds AI-native manufacturing systems that unify software,...  ...these systems. You will work with high-power lasers, high-speed cameras, and...  ...kinematics. Experience with design of fluid or thermal systems. Location... 
    Casual work
    Internship
    Relocation package
    Long distance
    Flexible hours

    Freeform

    Los Angeles, CA
    1 day ago
  • A leading aerospace manufacturer in Hawthorne, CA, is seeking a New Graduate Engineer, Mechanical to drive the design and production of cutting-edge technologies. You will own hardware from concept to operation, ensuring compliance through rigorous testing. The ideal candidate... 

    SPACE EXPLORATION TECHNOLOGIES CORP

    Hawthorne, CA
    4 days ago
  • $135k - $190k

    SPACE EXPLORATION TECHNOLOGIES CORP is seeking a Sr. Mechanical Engineer (HVAC) in Hawthorne, CA. In this role, you will design and activate advanced manufacturing facilities, focusing on fluid systems such as HVAC, compressed air, and piping. You will collaborate with... 

    SPACE EXPLORATION TECHNOLOGIES CORP

    Hawthorne, CA
    3 days ago
  • $120k - $200k

    Mechanical Engineer (Complex Precision Systems) Freeform builds AI-native manufacturing systems that unify software,...  ...these systems. You will work with high‑power lasers, high‑speed cameras, and...  ...kinematics. Experience with design of fluid or thermal systems. Location:... 
    Casual work
    Internship
    Relocation package
    Long distance
    Flexible hours

    Freeform Future Corp.

    Los Angeles, CA
    5 days ago
  • $95k - $115k

    MECHANICAL ENGINEER, FLIGHT TERMINATION SYSTEM (STARSHIP) the company was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today the company is actively developing the technologies... 
    Permanent employment
    Temporary work
    Work experience placement
    Internship

    United States Digital Space LLC

    Hawthorne, CA
    3 days ago
  • $130k - $180k

    United States Digital Space LLC is seeking a Mechanical Engineer for its Flight Termination System team in Hawthorne, California. This role involves the design of explosive devices and hardware for the Starship missions, with a focus on safety and rigorous testing processes... 

    United States Digital Space LLC

    Hawthorne, CA
    1 day ago
  • $120k - $200k

    Dormont Manufacturing Co is seeking a Mechanical Engineer to lead the development of complex precision systems. In this role, you will manage the integration of mechanical components and ensure the production of high-quality industrial systems within a collaborative, innovative... 

    Dormont Manufacturing Co

    Hawthorne, CA
    4 days ago
  • $130k - $180k

    SpaceX is seeking a Sr. Mechanical Engineer for its Starship avionics team. You will design advanced instrumentation for high reliability in extreme environments and lead efforts in mechanical design and analysis. Ideal candidates should possess a Bachelor's in relevant... 

    SpaceX

    Hawthorne, CA
    4 days ago
  • Venturi Astrolab, Inc. is hiring a Mechanical Engineer in Hawthorne, California. You will work on the design, development, and operation of...  ...include collaborating with design teams, analyzing mechanical systems, and developing test plans. Ideal candidates will have a... 
    Flexible hours

    Venturi Astrolab, Inc.

    Hawthorne, CA
    5 days ago
  • Front Door Defense is seeking a Senior Mechanical Engineer for its Flight Termination System team, located in Hawthorne, California. The role involves designing and qualifying flight termination hardware essential for safe launches, maintaining a rigorous focus on safety... 

    Front Door Defense

    Hawthorne, CA
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Staff Mechanical Engineer, Fluid Systems — Nuclear Power. Be the first to apply!