CareerPlan

Director of Mechanical Engineering, Numenor (Reactor)

TorranceFull-time$240k–$325k2026-11-10
On-siteNo visa sponsorshipCitizens or permanent residents only

Core

Lead the mechanical engineering organization for Valar's flagship Numenor reactor program, covering the reactor core, helium systems, cooling, and plant modules from first unit to scaled production.

Role type

Director of Mechanical Engineering (Reactor Program)

Builds

Advanced nuclear reactor units (Numenor) for industrial power, hydrogen, and manufacturing

Domain

Nuclear Energy / High-Temperature Reactors

Required skills

mechanical engineering leadership, stress analysis, thermal design, pressure vessel and piping codes, design for manufacture, team management, vendor management

Preferred skills

high-temperature/high-pressure systems, helium/gas systems, precision mechanisms, ASME codes, nuclear industry experience, PE license

Technologies

Helium systems, pressure vessels, heat exchangers, piping, actuators

Responsibilities

Own mechanical design basis and make final technical calls on design acceptability, run design reviews and gate decisions, lead hardware procurement, factory build, assembly, and integrated testing, set test and verification strategy, build and mentor the mechanical engineering organization, manage scope, schedule, and budget

Seniority

Director, hands-on technical authority & team leadership