Demo

Principal Mechanical Engineer

rebuildmanufacturing
Merrimack, NH Full Time
POSTED ON 5/14/2026
AVAILABLE BEFORE 7/14/2026

Who is 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 OEM’s 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. At Re:Build 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. Ours is 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 US 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. Our acquired businesses are grounded in build-to-print and by-the-hour engineering and design services, and we’re leveraging their combined expertise to migrate to increasingly sophisticated program development and production, as well as the generation of our own products. Our unique set of capabilities lend themselves to highly complex systems and products, and we offer customers a range of services including product and systems design, automation, fabrication, assembly, and large volume contract manufacturing. Our customers span a wide array of industries including aerospace, defense, mobility, healthcare, pharma, biotech, clean tech, chemicals, energy, lifestyle, food production, and industrial equipment.

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

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.

Salary.com Estimation for Principal Mechanical Engineer in Merrimack, NH
$129,370 to $157,038
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Principal Mechanical Engineer?

Sign up to receive alerts about other jobs on the Principal Mechanical Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$108,186 - $133,193
Income Estimation: 
$134,236 - $174,128
Income Estimation: 
$132,162 - $161,329
Income Estimation: 
$134,236 - $174,128
Income Estimation: 
$155,404 - $198,448
Income Estimation: 
$158,725 - $194,124
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at rebuildmanufacturing

  • rebuildmanufacturing Avon, OH
  • About Re:Build Manufacturing Re:Build Manufacturing is a growing family of industrial and engineering businesses combining enabling technologies, operation... more
  • 1 Day Ago

  • rebuildmanufacturing Kensington, PA
  • About Re:Build Manufacturing – New Kensington Re:Build Manufacturing New Kensington is part of the Re:Build family of companies, located in New Kensington,... more
  • 1 Day Ago

  • rebuildmanufacturing Kalamazoo, MI
  • About Re:Build Manufacturing Re:Build Manufacturing is a growing family of industrial and engineering businesses combining enabling technologies, operation... more
  • 2 Days Ago

  • rebuildmanufacturing Kalamazoo, MI
  • About Re:Build Manufacturing and Re:Build Tekna: Tekna was founded in 1988 in the heart of Southwest Michigan where creative vision and hard work laid the ... more
  • 2 Days Ago


Not the job you're looking for? Here are some other Principal Mechanical Engineer jobs in the Merrimack, NH area that may be a better fit.

  • BAE Systems Merrimack, NH
  • Job Description BAE Systems is seeking a Senior Mechanical Engineer to join our team in Merrimack, NH! “We Protect Those Who Protect Us®” is our mission, a... more
  • 18 Days Ago

  • BAE Systems Nashua, NH
  • Job Description BAE Systems is seeking a Principal Mechanical Engineer to join our team in Nashua, NH! “We Protect Those Who Protect Us®” is our mission, a... more
  • 24 Days Ago

AI Assistant is available now!

Feel free to start your new journey!