Principal Mechanical Engineer

About Re:Build DAPR Engineering and Re:Build Manufacturing

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 OEMs to develop industrial products, and provide engineering analysis using FEA tools.

Re:Build Manufacturing is a growing family of industrial and engineering businesses combining enabling technologies, operational superiority, and strategic M&A to build America’s next generation industrial company. We deploy deep expertise in engineering, operations management, and technology to supercharge the performance of our member companies. We leverage deep professional expertise and a candid, principled operating culture to drive differentiated outcomes in a fast‑paced environment where individuals can stretch and be challenged to pursue their fullest potential.

Re:Build was founded to pioneer a profitable model for the revitalization of U.S. manufacturing. We’ve assembled a powerful set of complimentary capabilities and lines of business that enable us to pursue a wide range of end markets, offering customers a range of services including product and systems design, automation, fabrication, assembly, and large volume contract manufacturing.

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? 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.
• Communicate optimally 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.
• Support technicians in solving problems and offering solutions during machine build.

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 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 as a 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.

Export Control Requirement: 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.

Equal Employment Opportunity

Re:Build 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, or life experiences.

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 or call 617‑909‑6275.