Director, Mechanical Eng — Nuclear Reactor Program (Equity)

valaratomics; Torrance (CA); On-site; USD 190,000 - 320,000; Full time

Benefits offered by this job

Competitive base salary

Equity ownership in a rapidly growing…

Comprehensive medical benefits

Unlimited PTOFree daily lunch and/or (

Generous PPE stipend

High-impact startup environment with**

Opportunities for rapid career growth

Direct collaboration with experienced…

Ground-up energy technology scaling

Job summary

Valar Atomics is seeking a Director of Mechanical to lead the engineering organization for the reactor program. You will own the mechanical design basis, guide margins and materials decisions, and supervise engineering managers and REs from concept to production.

You will drive design reviews, oversee fabrication, testing, and commissioning, and collaborate with safety, IC&E, quality and supply chain to ensure an integrated, scalable plant design with hands-on technical authority and a

Qualifications

• 10+ years of mechanical engineering on complex hardware.
• Hands-on authority to sign off designs, set margins and own decisions.
• Led mechanical scope from concept through build, test and commissioning.
• Strong base in stress analysis, thermal design, materials and codes.
• Experience managing mechanical engineering teams and vendor relations across phases.

Responsibilities

• Own the mechanical design basis for the reactor, the primary helium loop, cavity cooling and related systems.
• Make final technical calls on design acceptability, margins, materials and code selection.
• Lead design reviews and gate decisions from concept through design freeze.
• Oversee procurement, factory build, assembly and testing; support commissioning through first operation.
• Coordinate with systems engineering, safety, IC&E, quality and supply chain to keep the plant design integrated.

Skills

Mechanical design

Leadership

System integration

ASME codes

V&V/testing

Vendor management

Stress analysis

Nuclear industry experience

PE license (Mechanical)

Job description

Valar Atomics is seeking a Director of Mechanical to lead the engineering organization for the reactor program. You will own the mechanical design basis, guide margins and materials decisions, and supervise engineering managers and REs from concept to production.

You will drive design reviews, oversee fabrication, testing, and commissioning, and collaborate with safety, IC&E, quality and supply chain to ensure an integrated, scalable plant design with hands-on technical authority and a