Mechanical Engineer II

  • Rigorous LLC
  • Williston, Vermont
  • Full Time
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In this role, you will be responsible for designing, prototyping, and

developing large industrial mechanical systems while ensuring their

efficiency, reliability, and manufacturability.

As a Mechanical Engineer Level 2, you will partner with our other

engineers and together take ownership of mechanical design initiatives,

collaborate with cross-disciplinary teams, and contribute to engineering

excellence. This position involves working at our Rigorous facility in

WIlliston, with occasional travel for system testing, installations, and

service.

## Key Responsibilities

- Collaboratively manage & contribute to projects for the development,

simulation, and deployment of large-scale industrial mechanical

systems.

- Guide contractors and manufacturers, ensuring timely execution of

mechanical design and fabrication.

- Optimize internal processes to enhance communication, scalability,

and efficiency within the mechanical department.

- Develop and refine mechanical system designs that meet project

specifications and manufacturability standards.

- Design, analyze, prototype, test, and integrate mechanical systems.

- Create and modify engineering drawings, schematics, and technical

documentation using CAD software.

- Conduct FEA simulations, mechanical calculations, and tests to

validate system performance, structural integrity, and reliability.

- Document project details, including design records, test procedures,

and change control reports for engineering compliance.

- Support manufacturing, installation, and testing activities to

ensure all mechanical systems meet customer specifications and

regulatory requirements.

- Assist clients, operators, and internal teams with field support,

troubleshooting, and training.

- Participate in all phases of projects, from design and production to

testing, integration, and deployment.

To apply, please send your resume and cover letter

to as PDF documents. The candidate must be

eligible to work in the United States. Rigorous (www.rigorous.co) is an

equal opportunity employer. Rigorous offers a benefits package including

health insurance and paid time off, as well as a collaborative work

environment that fosters growth and development. If you possess the

necessary skills and experience and thrive in a challenging and

innovative environment, we encourage you to apply.
Job ID: 483281985
Originally Posted on: 6/29/2025

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