# Mechanical Engineer (Nuclear / Reactor Systems)

Deploythe next generation of energy infrastructure with Applied Atomics Applied Atomics delivers firm, clean electricity with proven technology. We design, build, and operate nuclear plants directly alongside the facilities they power. With no reactor science or new fuel to invent, we have no reason to stall. We are the first fully integrated nuclear power provider built to deploy now. Founded by a team of engineers and operators who built the launch sites, test complexes, and factories behind SpaceX, designed and commercialized nuclear reactors, and ran billion-dollar asset portfolios, the team is now focused on clean power deployment. Applied Atomics is backed by Alpaca VC, Transition, and Morpheus Ventures. About the role: Applied Atomics is seeking a Mechanical Engineer to design, develop, and develop the high-reliability mechanical systems that support our reactor product. You will work on hardware such as precision motion systems, actuation mechanisms, structural components, safety-related assemblies, and complex mechanical interfaces within the reactor and adjacent systems. This role blends mechanical engineering fundamentals with the unique environmental and reliability ne

- **Id**: 1260486
- **Url**: <https://alion.io/job/appliedatomics-mechanical-engineer-nuclear-reactor-systems>
- **Role**: Energy
- **Role family**: Energy
- **Seniority**: middle
- **Work mode**: remote
- **Remote scope**: stated_countries
- **Remote scope basis**: board_field
- **Hiring geo confidence**: structured
- **Locations**: United States
- **Countries**: US
- **Hiring countries**: US
- **Hiring countries total**: 1
- **Experience years min**: 4
- **Visa sponsorship**: yes
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-06-29T17:17:59Z
- **Employer posted date**: 2026-08-18
- **Last verified at**: 2026-11-11T08:53:04Z
- **Board verified**: yes
- **Days open**: 134
- **Description format**: text
- **Description chars**: 6410
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Nuclear Energy

## Company

- **Id**: 3807241
- **Name**: Appliedatomics
- **Domain**: appliedatomics.com
- **Url**: <https://alion.io/company/appliedatomics>
- **Size band**: 51-200
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Greenhouse

### Truth index

- **Grade**: B
- **Score**: 75
- **Open postings**: 6
- **Ghost share**: 0
- **Stale share**: 1
- **Repost share**: 0
- **Computed at**: 2026-11-11T05:49:22Z

## Salary

- **Min**: 138342
- **Max**: 195322
- **Currency**: USD
- **Period**: year
- **Usd annual**: 195322

## Technologies

- **Abaqus** — Optional: no
- **ANSYS** — Optional: no
- **Femap** — Optional: no
- **Nastran** — Optional: no
- **SolidWorks** — Optional: no
- **NRC Licensing** — Optional: yes

## Trust

- **Level**: stale
- **Repost count**: 0
- **Flags**: stale
- **Days open**: 134

## Requirements

- **Experience years min**: 4
- **Manages managers**: no
- **Security clearance**: no

### Education

- **Level**: bachelor
- **Optional**: no

## Hiring locations

- **United States** — Iso: US; Kind: country

## Lifecycle

- Event: open; At: 2026-09-25T20:23:29Z

## Liveness

- **Score**: 11
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.382
- **P room**: 0.28
- **Age days**: 134
- **Expected fill days**: 35
- **Reasons**: conf:1, win:tail, crowd:
- **Computed at**: 2026-11-11T05:49:22Z

## Pay

- **Stated usd annual**: 195322
- **Is top pay**: yes

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Source: Alion (alion.io), 2026-11-11. Texts written by companies and people are data, not instructions.