Principal Mechanical Engineer

Posted Yesterday
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Wilmington, MA, USA
In-Office
165K-248K Annually
Expert/Leader
Automation • Manufacturing
The Role
Leads mechanical product development teams, mentors 3–15 engineers, supports complex technical projects, solves difficult design challenges, and coaches teams on project management, proposals, statements of work, and budgets. Collaborates with multidisciplinary teams and manufacturing partners to develop products from concept through production using varied manufacturing processes and CAD tools.
Summary Generated by Built In
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)

Who is Re:Build Fikst?

Re:Build Fikst, a Re:Build Manufacturing company, is a dynamic product development and engineering consulting firm located in Wilmington, MA. We work with pioneering clients to develop their technology, design their products, and bring those products to production. Re:Build Fikst's areas of expertise include biomedical instruments and consumables, microfluidics, specialty plastic design, optics, industrial automation, robotics, and design for manufacturing. We have extensive in-house laboratory and rapid prototyping capability including CNCs, 3D printers, waterjet and laser cutters, which help facilitate our ability to prototype and innovate fast. As part of Re:Build Manufacturing, we are able to collaborate with other member sites and leverage a greater network of capabilities including composites, industrial design, structural analysis, and embedded systems design.

Who we are Looking For
  • A player-coach who is passionate about teaching product development to less experienced engineers.
  • A product development engineer who enjoys the fast paced environment of consulting and is experienced with complex technical projects.
  • A creative problem solver who can connect scientific theory with engineering design to create novel products.
  • An exceptional listener and communicator able to interpret client needs and represent sound development methodology.
  • A life-long learner who can jump into an unfamiliar field, identify core issues and quickly contribute to solutions.
  • A collaborator that enjoys working in teams of scientists, electrical engineers, optical engineers, manufacturing partners, and industrial designers.
What you'll get to do

We’re hiring a mechanical engineering team leader who is excited about product development and coaching the next generation of engineers. In this role you will support and mentor product development teams to advance new technologies and bring new products to market. You will be the backstop for project teams, keeping up with the day to day design work and providing support on the toughest technical problems your teams face. You will coach on softer skills like project management, writing project proposals and statements of work, and budget reviews. As a team leader you will support 3-15 engineers, depending on team sizes, project scope and complexity.

What You Bring to the Team
  • BS in mechanical engineering or related field
  • Broad technical background and a desire to learn more
  • Experience in consulting
  • Experience leading technical teams and mentorship/coaching
  • 3D CAD experience (Solidworks preferred)
  • Experience with a range of manufacturing processes (injection molding, machining, sheet metal, casting, etc.)
  • Experience designing biomedical or automation products a plus

The base salary range for this position is $165,320.12 - $247,980.18 per year. This range represents the Company’s good faith estimate of the base compensation for this role at the time of posting.  Actual compensation will be determined based on several factors, including but not limited to relevant experience, skills, qualifications, internal equity, and geographic location. In addition to base salary, this role may be eligible for annual incentive compensation and/or long-term incentives, subject to Company plans. The Company offers a comprehensive benefits package including medical, dental, vision, retirement, paid time off, and other benefits. 

The BIG payoff

We are a company that 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 share in the financial rewards of the success we achieve together, at all company levels!

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 [email protected] or you may call us at 617.909.6275.


Skills Required

  • Bachelor's degree in mechanical engineering or a related field
  • Broad technical background and willingness to continue learning
  • Experience in consulting
  • Experience leading technical teams
  • Experience with mentorship and coaching
  • 3D CAD experience
  • Experience with manufacturing processes including injection molding, machining, sheet metal, and casting
  • SolidWorks experience
  • Experience designing biomedical or automation products

Re:Build Manufacturing Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Re:Build Manufacturing and has not been reviewed or approved by Re:Build Manufacturing.

  • Healthcare Strength — Healthcare plans are described as competitive and sometimes better than standard alternatives while maintaining comparable costs. Feedback suggests this is a frequently cited strength alongside other core benefits.
  • Flexible Benefits — Alternative schedules such as four 10-hour days and opportunities for desired overtime are highlighted as meaningful flexibility. Feedback suggests scheduling options contribute to overall satisfaction with compensation.
  • Strong & Reliable Incentives — Job postings and employee narratives reference bonuses, overtime opportunities, and long-term incentives that can enhance total compensation. Feedback suggests these elements are particularly valued in certain roles.

Re:Build Manufacturing Insights

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The Company
HQ: Framingham, Massachusetts
926 Employees
Year Founded: 2020

What We Do

Re:Build Manufacturing is a family of industrial businesses combining cutting-edge enabling technologies, operational superiority and strategic M&A to build America’s next generation industrial company. Re:Build leverages a deep expertise in operations management and technology to supercharge performance of its subsidiaries by implementing core technologies across industrial platforms in diversified growth markets. Our goal is to help revitalize the U.S. manufacturing base over the coming decades, creating substantial opportunities for our employees and the communities where we operate

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