Join Radiant as a Senior Mechanical Engineer to design and analyze turbomachinery for innovative portable nuclear microreactors.
Posted by employer 1 year ago
First seen on Joblaze 2 months ago
Last verified on the company career page 19 hours ago
Skills & Technologies
Requirements
- Experience
- 5+ years
- Education
- Bachelor's degree
Not disclosed in this posting: compensation, visa sponsorship.
Benefits
Joblaze summary
In this role, the Senior Mechanical Engineer focuses on the design, analysis, and testing of turbomachinery for Radiant's innovative nuclear microreactors. Key responsibilities include conducting rotordynamic analyses and selecting appropriate bearings for high-speed applications, utilizing tools like XLrotor and Dyrobes. This position is ideal for experienced engineers with a strong background in turbomachinery and hands-on testing, particularly those looking to contribute to cutting-edge power generation technology in a startup environment.
Joblaze insights
- Listed about 2 months ago — first seen on Joblaze September 3, 2026. Last confirmed on Radiant's careers page November 10, 2026.
- turbomachinery appears in 0.1% of 2714 comparable senior other roles in United States; pumps appears in 0.1% of 2714 comparable senior other roles in United States.
Quick facts
- Is the Senior Mechanical Engineer – Turbomachinery Rotordynamics role remote?
- No — this is an on-site role in El Segundo, CA.
- How much experience is required?
- At least 5 years of relevant experience for this Senior Mechanical Engineer – Turbomachinery Rotordynamics role.
- Where is the role based?
- Radiant is hiring for this position in El Segundo, CA.
- What's the tech stack?
- Joblaze extracted these technologies from the posting: compressors, pumps, rotordynamics, turbines, turbomachinery.
- What seniority level is this role?
- Radiant targets senior candidates for this position.
- Is this full-time or contract?
- Full-time for this Senior Mechanical Engineer – Turbomachinery Rotordynamics role at Radiant.
From the original posting
About the Role
Radiant is seeking a highly motivated Senior Mechanical Engineer, Turbomachinery (Rotordynamics) to join the team responsible for the power generation and primary cooling turbomachinery of our Kaleidos product. This role involves performing the rotordynamic analysis and bearing selection of high-speed rotating machinery including compressors, turbines, and pumps for high-temperature applications. The ideal candidate will have a strong background in rotordynamics and bearing selection, along with hands-on experience testing real hardware.
Responsibilities & Duties:
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.
Required Qualifications & Skills:
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.
Desired Qualifications & Skills:
Prior experience with power generation applications.
Knowledge of bearing selection for high-temperature, high-speed applications.
Hands-on experience with turbomachinery testing and instrumentation.
Familiarity with relevant industry standards (API, ASME, ISO).
Prior nuclear experience is not required for this role.
Additional Requirements:
Must be willing to work extended hours and weekends as necessary to accomplish our mission.
Benefits and Perks
Stock: Substantial incentive stock plan for all full-time employees.
Daily catered lunch. Free snacks and drinks.
Flexible PTO policy. Remote workday allocation.
Standard company text repeated across Radiant's postings is omitted here.