# Senior Mechanical Design Engineer

Do you want to help design the technology powering the green energy transition? At Nel, you’ll work at the forefront of hydrogen innovation - contributing to the design and development of electrochemical systems that power the green energy transition. In this role, you will apply your mechanical engineering expertise to complex component and system design, helping improve performance, reliability, and manufacturability. You will collaborate closely with engineering, manufacturing, and suppliers, taking designs from initial concept through testing and production. This is an opportunity to solve complex technical challenges and make a tangible contribution in a collaborative, multidisciplinary environment. Your New Role As a Senior Mechanical Design Engineer, you will be a key contributor to component and complex assembly design from concept through production. Your responsibilities will span design, load distribution and structural analysis, material selection, fluid flow, dimensional tolerancing, and design for manufacturability. The role also involves frequent hands-on prototype assembly and testing. You will prepare detailed documentation and participate in in-depth technical rev

- **Id**: 3974531
- **Url**: <https://alion.io/job/nel-hydrogen-senior-mechanical-design-engineer>
- **Role**: Industrial Engineering
- **Role family**: Industrial Engineering
- **Seniority**: senior
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: explicit
- **Locations**: Wallingford, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 8
- **Visa sponsorship**: yes
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-09T15:43:12Z
- **Employer posted date**: 2026-11-09
- **Last verified at**: 2026-11-11T11:07:23Z
- **Board verified**: yes
- **Days open**: 2
- **Description format**: text
- **Description chars**: 7011
- **Description truncated**: no
- **Benefits**: Life insurance
- **Relocation offered**: no
- **Industries**: Hydrogen Energy

## Company

- **Id**: 717881
- **Name**: Nel Hydrogen
- **Domain**: nelhydrogen.com
- **Url**: <https://alion.io/company/nel-hydrogen>
- **Size band**: 201-500
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Schema

## Salary

- **Min**: 120000
- **Max**: 140000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 140000

## Technologies

- **GD&T** — Optional: no
- **ANSYS** — Optional: yes

## Trust

- **Level**: ok
- **Days open**: 2

## Requirements

- **Experience years min**: 8
- **Manages managers**: no
- **Security clearance**: no

### Education

- **Level**: bachelor
- **Optional**: yes

## Hiring locations

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

## Lifecycle

- Event: open; At: 2026-11-09T17:32:15Z

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 1
- **Expected fill days**: 56
- **Reasons**: conf:0, win:early
- **Computed at**: 2026-11-11T05:49:22Z

## Pay

- **Stated usd annual**: 140000
- **Is top pay**: no

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