CareerPlan

Senior Process Engineer, Numenor (Reactor)

TorranceFull-time$140k–$180k2026-11-10
On-site · United StatesNo visa sponsorshipCitizens or permanent residents only

Core

Design, build, test, and commission helium process systems (purification, services, pressure boundary) for a high-temperature nuclear reactor pilot plant.

Role type

Senior Process Engineer (Nuclear Reactor Systems)

Builds

Helium process systems, pressure vessels, heat exchangers, and piping for a nuclear reactor pilot plant.

Domain

Nuclear energy / High-temperature gas-cooled reactors

Required skills

Thermodynamics, fluid mechanics, process engineering principles, PFD/P&ID development, equipment sizing, mass/energy balances, transient system analysis, vendor selection, fabrication oversight, system integration, commissioning, HAZOP/FMEA participation

Preferred skills

Helium/cryogenic/high-pressure gas systems, gas purification, vacuum systems, helium coolant chemistry, ASME pressure vessel codes, design for manufacture and scaling, nuclear industry experience (HTGRs)

Technologies

PFDs, P&IDs, ASME codes, helium systems, pressure vessels, heat exchangers, compressors, gas analyzers

Responsibilities

Own process architecture from concept to design freeze; perform process analyses (mass/energy balances, heat transfer); specify and integrate process equipment; lead fabrication oversight and acceptance testing; lead system integration, startup, and commissioning; mentor junior engineers

Seniority

Senior, hands-on IC