Job Functions1. Developing turbomachinery in support of a closedloop Brayton cycle with a recuperator2. Translating heat engine performance requirements and trade conceptual designs for sCO2 machinery from first article through production3. Working with adjacent systems to globally optimize Kaleidos microreactor’s hardware and operations for levelized cost of electricity (LCOE)4. Owning and maintaining performance modeling of the heat engine5. Overseeing the build and testing of prototype, first article, and production heat engine hardware
Job Requirements1. B.S. in Mechanical or Aerospace Engineering from an accredited university2. 5+ years of diversified engineering experience in turbomachinery design3. Experience translating broad machinery requirements (power, speed, bearing leakage) into a conceptual design, including wheel and shaft design, as well as bearing and alternator selection
Skills1. Strong knowledge of turbomachinery design and build principles2. Proficiency in fluids modeling of compressible and incompressible flow3. Structural analysis of rotary machines including waterfall plot analysis4. Experience translating broad machinery requirements (power, speed, bearing leakage) into a conceptual design, including wheel and shaft design, as well as bearing and alternator selection5. Demonstrated experience in owning endto-end hardware development cycle, from concept, part design, manufacturing, through build and testing1. Highly motivated and excited about the company's vision to bring portable clean power to remote areas globally2. Strong communication skills for working with adjacent systems3. Ability to work extended hours and weekends as necessary to achieve company goals
Radiant is an El-Segundo, CA-based clean energy startup building a nuclear microreactor. A climate-friendly alternative to diesel generators, Radiant's Kaleidos 1MW microreactor will be the world's first portable, zero-emissions power source that works anywhere. We plan to test our development reactor by 2026 and if successful, it will be the first new commercial reactor design to achieve a fueled test in over 50 years. Radiant's goal is to bring one of the world's first factory-constructed microreactors to market. Our microreactor can bring power to remote parts of the world and provide backup power for life-saving applications in hospitals or disaster-relief scenarios.
Lead Turbomachinery Engineer
Radiant is seeking a highly motivated Lead Turbomachinery Engineer to develop turbomachinery in support of a closed-loop Brayton cycle with a recuperator. You will develop critical hardware at the heart of the supercritical CO2 heat engine while considering for long-term production requirements related to hardware performance, reliability, mass, cost, and manufacturability. The ideal candidate is experienced in building early concept hardware components through production, and are excited about our vision to build Earth’s mass-produced nuclear reactors and provide portable clean power to remote areas globally.
Responsibilities and Duties:
- Translate heat engine performance requirements and trade conceptual designs for sCO2 machinery from first article through production.
- Work with the responsible engineers of adjacent systems to globally optimize Kaleidos microreactor’s hardware and operations for levelized cost of electricity (LCOE).
- Own and maintain performance modeling of the heat engine.
- Oversee the build and testing of prototype, first article, and production heat engine hardware.
Required Qualifications and Skills:
- B.S. in Mechanical or Aerospace Engineering from accredited university.
- 5+ years of diversified engineering experience in turbomachinery design.
- Strong knowledge of turbomachinery design and build principles.
- Proficiency in fluids modeling of compressible and incompressible flow.
- Structural analysis of rotary machines including waterfall plot analysis.
- Experience translating broad machinery requirements (power, speed, bearing leakage) into a conceptual design, including wheel and shaft design, as well as bearing and alternator selection.
- Demonstrated experience in owning end-to-end hardware development cycle, from concept, part design, manufacturing, through build and testing.
Desired Qualifications and Skills:
- M.S. in Mechanical or Aerospace Engineering, specialized in Turbomachinery.
- 8+ years of experience and PhD with research focused on Turbomachinery design and analysis.
- Recuperator design and dynamics experience.
- Experience with the supercritical CO2 Brayton cycle.
- Experience with gas turbine systems and their operation is a plus.
- Experience optimizing power generation cycles via industry or custom software.
- Familiarity with AC power generation and power electronics.
Additional Requirements:
- Must be willing to work extended hours and weekends as necessary to achieve company goals.
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.
Life at Radiant
Radiant is a team of innovators and communicators creating digital products that bring out the best in people, families and communities. At Radiant we believe in human light - the raw potential within each of us to do extraordinary good.
Thrive Here & What We ValueFlexible PTO policy | Free snacks and drinks onsite | Employee benefits for eligible employees (stock, medical, vision, dental, voluntary life, accident, hospital, critical illness, commuter, FSA) | Equal opportunity employer | Unable to provide visa sponsorship at this time.</s> | 1. Substantial incentive stock plan for all full time, salaried employees. | 2. 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans. | 3. One Medical: Sponsored memberships for employees and their dependents. | 4. Vision: 100% top tier plan coverage + 50% for dependents. | 5. Voluntary Life, Accident, Hospital, Critical Illness, Commuter and FSA are offered as employee contributed benefits. | 6. Free snacks and drinks onsite. | 7. Flexible PTO policy.</s> | 1. Flexible PTO policy | 2. Free snacks and drinks onsite | 3. Employee Benefits for Eligible Employees: Stock, Medical, Vision, Dental, Voluntary Life, Accident, Hospital, Critical Illness, Commuter and FSA are offered as employee contributed benefits.</s> | Free snacks and drinks onsite</s> | 4. Equal Opportunity Employer | 5. Access to technology that is subject to U.S. export controls.</s> | 3. Employee benefits for eligible employees include stock, medical, vision, dental, voluntary life, accident, hospital, critical illness, commuter, and FSA plans</s> | 2. One Medical: Sponsored memberships for employees and their dependents. | 3. Flexible PTO policy. | 4. Free snacks and drinks onsite. | 5. 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. | 6. Unfortunately, we are unable to provide visa sponsorship at this time.</s> | Radiant is an El-Segundo, CA-based clean energy startup building a nuclear microreactor. | Climate-friendly alternative to diesel generators, Radiant's Kaleidos 1MW microreactor will be the world's first portable, zero-emissions power source that works anywhere. | Plan to test development reactor by 2026 and if successful, it will be the first new commercial reactor design to achieve a fueled test in over 50 years. | Goal is to bring one of the world's first factory-constructed microreactors to market. | Microreactor can bring power to remote parts of the world and provide backup power for life-saving applications in hospitals or disaster-relief scenarios.</s> | Medical benefits for employees and dependents | Vision benefits for employees and dependents | Voluntary Life, Accident, Hospital, Critical Illness, Commuter and FSA are offered as employee contributed benefits</s> | Vision: 100% top tier plan coverage + 50% for dependents</s> | 1. Flexible PTO policy. | 2. Free snacks and drinks onsite. | 4. 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. | 5. 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.</s> | 4. 100% top tier plan coverage + 50% for dependents for medical, dental, and vision insurance | 5. Voluntary Life, Accident, Hospital, Critical Illness, Commuter and FSA are offered as employee contributed benefits.</s> | 3. Employee benefits for eligible employees, including stock incentives, medical coverage, dental coverage, vision coverage, voluntary life, accident, hospital, critical illness, commuter and FSA options</s> | 3. Employee Benefits for Eligible Employees (Stock, Medical, Vision, Dental) | 5. No Visa Sponsorship at This Time</s> | Radiant is 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. | Radiant offers employee benefits such as stock incentives, medical and dental coverage, vision coverage, voluntary life, accident, hospital, critical illness, commuter and FSA plans. | Radiant provides free snacks and drinks onsite and has a flexible PTO policy.</s> | 4. Equal Opportunity Employer</s>
