# Senior Mechanical Design Engineer - Simplexity Product Development

As a Senior Mechanical Design Engineer, you will work with teams designing subsystems for a range of products, tools, and equipment, including robotics, mechanisms, and biotech instrumentation. Specific responsibilities vary by project, but you must have command of mechanical engineering fundamentals and know how to apply them to simple, reliable design. This role is ideal for someone with a strong technical background, technical leadership experience, and a history in product development consulting. If you thrive in a fast-paced environment but enjoy a casual, flexible work atmosphere, Simplexity may be the place for you. Architect, design, and integrate complex mechanical systems. Communicate design concepts efficiently using block diagrams, rough CAD, schematics, and sketches. Design solutions using custom (injection-molded, machined, 3D-printed, sheet metal), semi-custom, and off-the-shelf parts. Perform analytical studies applying engineering principles such as force and energy balances, structural calculations, mechanical vibration, tolerance analysis, and power transmission. Manage large 3D CAD assemblies. Generate and maintain an organized bill of materials. Create 2D drawi

- **Id**: 3999370
- **Url**: <https://alion.io/job/product-development-engineering-services-simplexity-senior-mechanical-design-engineer-simplexity-product-development-2>
- **Role**: Industrial Engineering
- **Role family**: Industrial Engineering
- **Seniority**: senior
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: North Reading, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 10
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-10T02:45:58Z
- **Employer posted date**: 2026-11-10
- **Last verified at**: 2026-11-10T08:52:25Z
- **Board verified**: yes
- **Days open**: 0
- **Description format**: text
- **Description chars**: 5717
- **Description truncated**: no
- **Benefits**: Flexible schedule, Life insurance
- **Relocation offered**: no
- **Industries**: Industrial Design, Engineering Services

## Company

- **Id**: 2517685
- **Name**: Product Development Engineering Services | Simplexity
- **Domain**: simplexitypd.com
- **Url**: <https://alion.io/company/simplexitypd>
- **Size band**: 51-200
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: JazzHR

## Salary

- **Min**: 135000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 135000

## Technologies

- **GD&T** — Optional: no
- **Gmail** — Optional: no
- **SolidWorks** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 0

## Requirements

- **Experience years min**: 10
- **Manages managers**: no
- **Security clearance**: no

### Education

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

## Lifecycle

- Event: open; At: 2026-11-10T02:45:58Z

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 36
- **Reasons**: conf:4, win:early
- **Computed at**: 2026-11-10T06:52:35Z

## Pay

- **Stated usd annual**: 135000
- **Is top pay**: no

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Source: Alion (alion.io), 2026-11-10. Texts written by companies and people are data, not instructions.