Senior Mechanical Engineer – Turbomachinery Rotordynamics at Radiant

El Segundo, California, United States

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Nuclear EnergyIndustries

Requirements

Bachelor’s or Master’s degree in Mechanical Engineering or a related field
5+ years of experience in the design and analysis of turbomachinery, rotating equipment, or mechanisms
Strong understanding of rotordynamic principles and tools (e.g., XLrotor, Dyrobes, or equivalent)
Excellent problem-solving, technical communication, and organizational skills
Must be willing to work extended hours and weekends as necessary to accomplish our mission
Must work 100% onsite at El Segundo HQ

Responsibilities

Design, build, and test turbomachinery for Radiant’s power generation systems
Perform dynamic analysis of rotor-bearing systems to evaluate vibrational behavior, stability, and resonance characteristics
Conduct critical speed analysis, Campbell diagram analysis, and stability assessments to optimize rotor system design for minimal vibration and resonance
Analyze rotor response under transient operating conditions, including startup, shutdown, and off-design operations
Select appropriate bearing types (e.g., rolling element, fluid film, magnetic) based on operating conditions and performance requirements. Evaluate bearing loads, life, and thermal performance
Prepare technical reports, design documentation, and presentation materials
Support the build and testing of prototype, first article, and production hardware

Skills

Key technologies and capabilities for this role

RotordynamicsTurbomachineryBearing SelectionRotor-Bearing SystemsVibration AnalysisCritical Speed AnalysisCampbell DiagramStability AnalysisHigh-Speed RotorsCompressorsTurbinesPumpsTransient AnalysisHardware Testing

Questions & Answers

Common questions about this position

What qualifications are required for the Senior Mechanical Engineer role?

A Bachelor’s or Master’s degree in Mechanical Engineering or a related field is required, along with 5+ years of experience in the design and analysis of turbomachinery, rotating equipment, or mechanisms, strong understanding of rotordynamic principles and tools like XLrotor or Dyrobes, and excellent problem-solving, technical communication, and organizational skills.

What are the main responsibilities of this position?

Responsibilities include designing, building, and testing turbomachinery, performing dynamic analysis of rotor-bearing systems, conducting critical speed and stability assessments, analyzing rotor response under transient conditions, selecting bearings, and supporting hardware build and testing.

Is this a remote position or does it require being in the office?

This information is not specified in the job description.

What salary or compensation does the role offer?

This information is not specified in the job description.

What makes a strong candidate for this Senior Mechanical Engineer position?

A strong candidate has hands-on experience testing real hardware, prior experience with power generation applications, and knowledge of bearing selection for high-temperature, high-speed applications, in addition to the required qualifications.

Radiant

Develops compact nuclear microreactors for energy

About Radiant

Radiant Nuclear develops compact nuclear microreactors aimed at providing reliable and sustainable energy solutions, especially for remote locations and military applications. Their main product, the Kaleidos microreactor, utilizes a CO2 cycle for energy production, allowing for a smaller and more portable reactor that can be deployed in challenging environments. Radiant differentiates itself from competitors by leveraging expertise from veterans of SpaceX and other high-tech industries, focusing on advanced technology in the nuclear energy market. The company's goal is to transform the nuclear energy sector by commercializing its microreactor technology and securing government contracts, such as those with the Department of Defense, while also seeking partnerships with private sector companies to enhance growth.

El Segundo, CaliforniaHeadquarters

2019Year Founded

$151.5MTotal Funding

SERIES_CCompany Stage

Government & Public Sector, EnergyIndustries

51-200Employees

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Stock Options

Unlimited Paid Time Off

One Medical

Risks

Public opposition to nuclear energy may hinder Radiant's market acceptance.

Regulatory delays from the Nuclear Regulatory Commission could impact Radiant's timelines.

Competition from cheaper solar and wind technologies may affect Radiant's market share.

Differentiation

Radiant's Kaleidos microreactor offers zero-emissions power for remote and critical applications.

The company leverages expertise from SpaceX veterans for advanced nuclear technology development.

Radiant's CO2 cycle technology enables compact, efficient, and portable nuclear power solutions.

Upsides

Radiant raised $100M in Series C funding to develop commercial microreactors.

The U.S. Department of Defense awarded Radiant $3.8M for turbomachinery development.

Growing demand for sustainable energy in data centers boosts Radiant's market potential.

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