SECTION I · THE BRIEF
Brief #31672Updated 29 SEP 2026MERRIMACK, NHGreenhouseSOFTWARE COMPANIES
Employbl Company Profile

Principal Mechanical Engineer

Rebuild is an industrial manufacturing group that integrates new technologies to accelerate its growth and improve performance. The company integrates new technologies into traditional manufacturing to help customers…

Location
Merrimack, NH
Company size
500–2,000
Posted
Today
Via
Greenhouse
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Principal Mechanical Engineer

Rebuild· Merrimack, NHView company profile


Job title
Principal Mechanical Engineer
Job location
Merrimack, NH
Job description

About Re:Build 

At Re:Build, our mission is to ensure the next generation of important products are made, at scale, in America. We are laying the foundation for a better future for our customers, employees, and communities by revitalizing America's manufacturing base and creating meaningful jobs across the country, including in historically deindustrialized regions. 

We operate an advanced, end-to-end manufacturing platform that partners with industrial companies and innovators to take products from first concept to full-scale production in critical verticals including aerospace and defense, electrification, medical, energy and environment, and robotics and automation. 

The way we operate is as important as the work we do. It's guided by The Re:Build Way, 16 principles that shape how we collaborate with each other, partner with our customers and vendors, and contribute to the communities where we operate. (link to The Re:Build Way principles)

About Re:Build DAPR Engineering 

Re:Build DAPR Engineering, LLC (DAPR) is an engineering design and analysis consulting firm in Merrimack, New Hampshire. We work with customers across many industries to develop and deliver turnkey industrial machines to meet their unique requirements. We design and build custom automation solutions, work with OEM’s to develop industrial products, and provide engineering analysis using FEA tools.

Who are we looking for?

Do you thrive by being involved in all phases of development, from concept generation to machine testing?

Are you a servant leader who enjoys autonomy and seeks to build highly capable teams and who provides opportunities for growth and enrichment throughout the engineering organization?

Do you enjoy articulating a vision for the projects that you and your team work on?

If your answer to these questions is "yes", then this role may be right for you.

What will you get to do?

  • Support project teams in multiple capacities including design of mechanical systems, fabrication drawings, BOMs, schematics, assembly drawings, etc.
  • Optimally communicate within a team environment
  • Coaching and mentoring junior team members 
  • Work to deadlines with minimal supervision
  • Provide mentorship to junior engineers
  • Participate in client meetings and internal engineering design reviews
  • Generate content for project proposals, including developing concepts and estimating effort and equipment cost
  • In the process of machine build, support technicians solve problems and offer solutions

What will you bring to the team?

  • BS degree in Mechanical Engineering from an accredited college or university, plus equivalent experience
  • Minimum 8 years' experience in a design engineering role with experience in indirectly coaching and guiding junior team members. 
  • Strong written and verbal communications, organizational and time management skills
  • Strong interpersonal skills to work and support a team environment
  • Familiarity with motion systems, pneumatics, hydraulics, robots, etc.
  • Experience user of CAD packages, SolidWorks preferred
  • Use of engineering tools such as Mathcad, Ansys, or equivalent FEA packages is a plus
  • Experience designing mechanisms for automation, complex electro-mechanical systems, and/or mechanical solutions that require a high level of precision is a plus

This role can sit in Merrimack, NH or Kalamazoo, MI. 

Export Control Requirement:  Due to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

The BIG payoff

We are a company who is going to make a difference in the industries and the communities in which we choose to operate.

Every employee of Re:Build will share ownership in the company and will share in the financial rewards of the success we achieve together, at all levels of the company!

We want to work with people that reflect the communities in which we operate

Re:Build Manufacturing is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, marital status, parental status, cultural background, organizational level, work styles, tenure, and life experiences. Or for any other reason.

Re:Build is committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need assistance or an accommodation due to a disability, you may contact us at accommodations.ta@ReBuildmanufacturing.com or you may call us at 617.909.6275.

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Where this role is based

Merrimack, NH

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Rebuild headquarters

Framingham, MA

Company size

500–2,000 employees

Founded

2020

Total raised

$232,925,000

View company profile ↗

Funding rounds