Turbomachinery Mechanical Designer

Valar Atomics

Torrance, California

Full Time

Posted August 6, 2026

$140k - $215k

Nuclear Energy

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Listing evidence and provenance

Source: greenhouse View original listing
Freshness: Open in the current public read path; this is not an employer guarantee.Last observed September 29, 2026
Classification: Modern power-system classification not yet published for this listing.Legacy source industry field: Nuclear Energy
Pay provenance: Employer-provided pay

Job Description

As part of the Engineering organization, Power Con v ers ion develops the technologies that efficiently transform reactor-generated heat into usable electrical power .

Key Responsibilities

Valar Atomics is seeking a turbomachinery mechanical design engineer to join the turbomachinery team and advance power generation capability. In this role, you’ll be responsible for the mechanical design of static and rotating components of Valar’s power generation turbomachinery. You’ll be working with cross-functional team members to define a manufacturable, high efficiency, robust design. As an early hire in turbomachinery, you will be able to directly influence design decisions on the system architecture.
Lead mechanical design of assigned components across the power conversion discipline
Facilitate required analyses to further the design and procurement of your components.
Own all aspects of bringing assigned components to test and to full scale production
Develop detailed 3D CAD models, assemblies, and engineering drawings (SolidWorks, Creo, or NX), applying advanced GD&T and tolerance analysis.
Select component materials that balance capability versus lead time and cost considerations
Interface with internal and external machine shops to develop a manufacturable design
You are excited to be a part of a complex turbomachinery product from the beginning
You thrive in ambiguous environments without defined turbomachinery design best practices
You want to be part of turbomachinery design beyond a singular siloed discipline

Requirements

Bachelor's degree in Mechanical or Aerospace Engineering
Excellent judgement in material selection for new components
Strong understanding of manufacturing processes and good judgement of when to use them
Minimum 3 years of experience as a mechanical designer
Experience with high temperature components and materials
Master's degree in Mechanical or Aerospace Engineering
Experience with material selection of high temperature metals
Experience with basic structural or thermal analysis for component sizing
Experience with turbomachinery mechanical design
Experience in gas turbines, gas compressors, turbopumps, or turboexpanders
Experience with supercritical C02

Benefits & Perks

Competitive base salary
Equity ownership in a rapidly growing advanced energy company
Comprehensive medical benefits
Unlimited PTO
Free daily lunch and dinner provided onsite
Generous PPE stipend
High-impact startup environment with significant ownership and autonomy
Opportunities for rapid career growth and internal advancement
Direct collaboration with experienced operators, engineers, and industry leaders
The opportunity to help build and scale transformative energy technology from the ground up