Current jobs related to Senior Fluids Systems Engineer - El Segundo - Radiant


  • El Segundo, California, United States Millennium Space Systems Full time

    Job SummaryAs a Senior Spacecraft Systems Engineer at Millennium Space Systems, you will be responsible for providing technical expertise and leading teams developing spacecraft systems serving a range of missions and customers.Key ResponsibilitiesProvides systems engineering leadership to programs.Provides mentorship to junior systems engineering and...


  • El Segundo, California, United States Millennium Space Systems Full time

    Job SummaryAs a Senior Spacecraft Systems Engineer at Millennium Space Systems, you will be responsible for providing technical expertise and leading teams developing spacecraft systems serving a range of missions and customers. This includes creating, monitoring, and guiding requirements definition, spacecraft design, procurement and fabrication,...


  • El Segundo, California, United States Millennium Space Systems, A Boeing Company Full time

    Job OverviewMillennium Space Systems, A Boeing Company is seeking a highly skilled Senior Spacecraft Systems Engineer to join our team. As a key member of our spacecraft systems engineering team, you will be responsible for providing technical expertise and leading teams developing spacecraft systems serving a range of missions and customers.Key...


  • El Segundo, California, United States SciTec Full time

    Job Title: Senior Systems EngineerSciTec is seeking a highly skilled Senior Systems Engineer to join our team. As a key member of our engineering team, you will be responsible for developing and implementing systems engineering processes aligned with IEEE 15288.Responsibilities:Develop and implement systems engineering processes aligned with IEEE 15288Mentor...


  • El Segundo, California, United States LinQuest Full time

    Job Title: Senior Systems EngineerLinQuest is seeking a highly skilled Senior Systems Engineer to support the development of advanced space control systems.Job Summary:The successful candidate will be responsible for establishing and maintaining requirements, interfaces, test and verification plans, and system integration plans for space defense kill chains....


  • El Segundo, California, United States NantWorks Full time

    Job Title: Senior Systems EngineerNantWorks is a leading innovator in the media and entertainment industry, and we're seeking a highly skilled Senior Systems Engineer to join our team.As a Senior Systems Engineer, you will be responsible for designing, implementing, and maintaining our computer systems infrastructure, including storage, physical and...


  • El Segundo, California, United States SRS ManTech SRS Technologies, Inc. Full time

    Job Title: Senior Systems EngineerManTech's Air Force and Space Division is seeking a highly skilled Senior Systems Engineer to support a contract that provides cradle-to-grave system engineering and integration technical support to the United States Space Force Space (USSF) and Space Systems Command (SSC).Responsibilities:Assist in all aspects of Government...


  • El Segundo, California, United States Booz Allen Hamilton Full time

    Job Title: Senior Space Systems EngineerWe are seeking a highly skilled Senior Space Systems Engineer to join our team at Booz Allen Hamilton. As a key member of our Strategic team, you will play a critical role in the development and deployment of next-generation strategic military satellite communications capabilities.Your expertise in systems engineering...


  • El Segundo, California, United States Axient Full time

    Axient is seeking a highly skilled Senior Engineer to support a US Space Force contract under the SSC Space Systems Integration Office. The ideal candidate will have a strong background in space systems acquisitions and engineering, with a Master's degree in a related field and 10-20 years of relevant experience. The role will involve evaluating and...


  • El Segundo, California, United States Booz Allen Hamilton Full time

    Senior Systems EngineerAre you a highly experienced Systems Engineer looking to make a meaningful impact on national security space missions? We're seeking a talented individual to join our team and work on the Space Force's top priority space programs, developing resilient capabilities and critical information delivery to our warfighters.Key...


  • El Segundo, California, United States RTX Full time

    Job Title: Senior Principal Engineer, Systems EngineeringRaytheon Technologies is seeking a highly skilled Senior Principal Engineer, Systems Engineering to join our team. As a key member of our Systems Engineering team, you will be responsible for designing and developing advanced EO systems, including imagers, passive/active EO tracking, LIDAR, and other...


  • El Segundo, California, United States Booz Allen Hamilton Full time

    Job Title: Senior Space Systems EngineerWe are seeking a highly skilled Senior Space Systems Engineer to join our team at Booz Allen Hamilton. As a Senior Space Systems Engineer, you will play a critical role in the development and deployment of next-generation resilient capabilities for the U.S. Space Force.About the OpportunityAs a Senior Space Systems...


  • El Segundo, California, United States Axient Full time

    Job SummaryAxient is seeking a highly skilled Senior Engineer to support the US Space Force contract under the SSC Space Systems Integration Office in El Segundo, CA.Key ResponsibilitiesEvaluate and assess future space and missile Systems of Systems (SoS) and Families of Systems (FoS) at the cross-enterprise level, linking materiel solutions to warfighter...


  • El Segundo, California, United States Millennium Space Systems Full time

    Job SummaryThe Senior ATLO Production Engineer will play a key role in shaping the move into space vehicle rate production for Millennium Space Systems.This individual will collaborate with Programs, Engineering, Manufacturing, Facilities, and Security to help the company meet delivery targets and improve company production competitiveness.The Senior ATLO...


  • El Segundo, California, United States The Aerospace Corporation Full time

    Job SummaryThe Aerospace Corporation is seeking a highly skilled Senior Systems Engineer to join our team. As a key member of our National Security Space Systems team, you will be responsible for providing technical expertise and guidance to support the development and integration of space systems.Key ResponsibilitiesProvide technical leadership and guidance...


  • El Segundo, California, United States Second Order Effects, Inc Full time

    Job Title: Senior Mechanical Engineer - Design and DevelopmentAt Second Order Effects, Inc, we are seeking a highly skilled Senior Mechanical Engineer to join our team. As a Senior Mechanical Engineer, you will be responsible for designing and developing mechanical systems and components that meet our high standards of quality and performance.Key...


  • El Segundo, California, United States Boeing Full time

    Job Title: Senior Systems Engineer Lead - Demo SystemJob Summary:We are seeking a Senior Systems Engineer Lead to lead the Systems Engineering efforts for a demo system. The successful candidate will have experience in system design, functional decomposition, requirements development, analysis, verification, and validation.Key Responsibilities:Lead the...


  • El Segundo, California, United States Varda Space Industries Full time

    About Varda Space IndustriesVarda Space Industries is a pioneering company at the forefront of space-based innovation, harnessing the unique environment of low Earth orbit to produce cutting-edge products that enhance life on Earth.Our mission is to expand the economic horizons of humanity by developing and manufacturing innovative products in space, with a...


  • El Segundo, California, United States Boeing Full time

    Job Title: Senior Systems Engineer LeadWe are seeking a highly skilled Senior Systems Engineer Lead to join our team at Boeing Research and Technology. As a key member of our Advanced Computing Technology team, you will be responsible for leading the systems engineering efforts for our next-generation demonstration system.Key Responsibilities:Lead the...


  • El Segundo, California, United States Boeing Full time

    Job Title: Senior Systems Engineering LeadJob Summary:Boeing Research & Technology (BR&T) is seeking a Senior Systems Engineering Lead to join our Advanced Computing Technology (ACT) team. As a key member of our team, you will be responsible for leading systems engineering efforts in maturing technologies under development and defining requirements and...

Senior Fluids Systems Engineer

2 months ago


El Segundo, United States Radiant Full time

Radiant Industries is an El Segundo, CA-based startup developing Kaleidos, a portable, containerized nuclear microreactor. Portable nuclear power with rapid deploy capability can replace diesel generators used today to provide critical asset support for hospitals, datacenters, and military bases or to power microgrids at remote sites. Radiant’s unique, practical approach to nuclear development utilizes modern software engineering to rapidly achieve safe, factory-constructable microreactors leveraging existing, well-qualified materials. Radiant is on a fast track to demonstrate the first fueled operation of a new commercial nuclear reactor design, just two years from now.

Senior Fluids Systems Engineer

Radiant is seeking a highly motivated Senior Fluids Engineer to own critical Kaleidos fluid systems from preliminary design through build and production. These systems include the primary loop subsystems and power conversion loop, serving to convert heat from the reactor core into electrical power. You will be responsible for the following: trade studies, component selection, thermal hydraulic analysis, piping design, vendor selection, assembly, and testing. You will have an instrumental impact of fueling the first new commercial reactor design in over 50 years by 2026. 

Responsibilities & Duties

  • Own end to end engineering of fluid systems and components, including compressors, valves, and heat exchangers.
  • Perform complex thermal and fluids analysis to drive design decisions, verify system performance, and ensure structural integrity using first-principle hand calculations and finite element tools.
  • Perform trade studies to optimize system and meet program requirements. 
  • Develop and execute manufacturing/assembly instructions and test plans.  
    • Create and manage a Bill-Of-Materials (BOM). 
    • Find and develop suppliers for all components 
  • Own subassembly design, manufacturing, and test schedules.
  • Own risk analysis (FMEA) for subsystems.
  • Collect requirements, provide expertise and feedback to engineers in other functional areas via clear, constructive communication. 
  • Bachelor’s degree from an accredited institution in Mechanical, Materials, Aeronautical, Civil or Structural Engineering. 
  • Experience with fluid system architecture design.
  • 5+ years of experience in designing, building, and testing fluids systems. 
  • Proficient knowledge in fluid dynamics and thermodynamics.
  • Proficient knowledge of process piping design and testing codes, such as ASME B31.3 and ASME PCC-2.

Desired Qualifications & Skills

  • Knowledge of thermodynamic power cycles.
  • Prior experience with designing piping system for thermal growth using hand calculations and FEA tools.
  • Prior experience with fluid system modeling via Matlab/Python. 
  • Experienced in design for manufacturability and ramping up hardware build in a production environment.
  • Proficient knowledge of heat exchanger design and analysis methods. 
  • Experienced in designing and operating test stands. 
  • Takes extreme ownership of work and a high degree of responsibility. 
  • Excellent communication across multidisciplinary teams. 

Employee Benefits for Eligible Employees:

  • Stock: Substantial incentive stock plan for all full time, salaried 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 are offered as employee contributed benefits.
  • Free snacks and drinks onsite. 
  • Flexible PTO policy.

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.