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Principal Mechanical Engineer


Job Location:

Waltham, MA - USA

Monthly Salary: Not provided by the employer
Posted: 29 October 2026 (4 hours ago)
Application Deadline: 26 January 2027
Vacancies: 1 Vacancy

Job Summary

We are looking for a Principal Mechanical Engineer who combines hands-on design expertise with the ability to set technical direction lead multidisciplinary teams and build trusted client relationships.

You will guide complex product development efforts from early concepts through manufacturing with particular emphasis on motion systems robotics precision electromechanical systems and products for demanding environments. You will help teams navigate ambiguity make critical design decisions and balance performance cost reliability and schedule.

This role offers the opportunity to remain deeply involved in engineering while expanding your influence through technical leadership mentoring and client engagement.

What You Will Do

Lead technical direction and product development

  • Serve as the mechanical technical lead for complex multidisciplinary product development projects owning major technical areas and their results.
  • Translate client needs into product requirements engineering specifications mechanical architectures and development plans.
  • Guide system-level architecture and interfaces in partnership with electrical software systems and manufacturing engineers.
  • Resolve novel engineering challenges anticipate technical risks and lead teams through ambiguous requirements and changing priorities.
  • Make and communicate critical design tradeoffs that balance performance manufacturability cost reliability and schedule.

Design build and validate

  • Develop innovative mechanical designs from concept through production using Creo and/or SolidWorks.
  • Design build and test proof-of-concept models breadboards prototypes and production-ready systems.
  • Apply expertise in motion systems robotics and precision electromechanical design including integration with motion controls.
  • Lead engineering analyses design reviews and verification activities to establish that designs meet requirements.
  • Apply Design for Manufacturing (DFM) Design for Assembly (DFA) design for cost and reliability principles throughout development.

Lead teams and strengthen engineering capability

  • Lead cross-functional engineering teams through major technical portions of projects aligning disciplines and resolving technical disagreements.
  • Partner with project managers to define scope estimate effort plan technical work and manage risks and dependencies.
  • Mentor engineers through design reviews problem-solving and direct coaching; help develop future technical leaders.
  • Establish and improve engineering methods design standards and best practices across projects.
  • Ensure engineering work and documentation meet Boston Engineerings Quality Management System requirements.

Partner with clients and support business growth

  • Serve as a primary technical interface for clients communicating recommendations risks and tradeoffs clearly to technical and executive audiences.
  • Build client confidence through sound engineering judgment clear communication and accountability for technical outcomes.
  • Lead technical contributions to proposals including solution concepts development approaches estimates and risk assessments.
  • Identify opportunities to expand client engagements through engineering expertise and an understanding of customer needs.

 


Qualifications :

What You Bring

  • A Bachelors degree in Mechanical Engineering.
  • Substantial experience developing complex mechanical and electromechanical products typically gained through 10 years of progressively responsible engineering work.
  • Demonstrated success bringing products from concept through prototyping verification and manufacturing.
  • Deep expertise in one or more relevant areas such as precision electromechanical design motion systems robotics or mechanisms.
  • Experience setting technical direction and leading multidisciplinary engineering teams through complex development challenges.
  • Strong system-level thinking including the ability to define interfaces and evaluate interactions among mechanical electrical and software elements.
  • Proficiency with Creo and/or SolidWorks engineering analysis and technical design documentation.
  • Strong working knowledge of DFM DFA design for cost and reliability engineering.
  • Sound judgment in uncertain situations with the ability to anticipate issues make decisions and take responsibility for technical results.
  • The ability to explain complex concepts and design tradeoffs clearly to engineers clients and business leaders.
  • A collaborative leadership style and a record of mentoring engineers and helping teams succeed.
  • Proficiency with Microsoft Office applications.

Experience That Would Be Especially Valuable

  • Designing products for underwater or marine environments.
  • Working in engineering services or product development consulting.
  • Leading customer engagements developing technical proposals or helping win follow-on work.
  • Familiarity with Small Business Innovation Research (SBIR) programs.

If your experience aligns with the core responsibilities but does not include every preferred qualification we encourage you to apply.


Additional Information :

This role is restricted to US persons (i.e. US citizens permanent residents and other protected individuals under the Immigration and Naturalization Act 8 USC 1324b(a)(3)) due to access to export-controlled technology. Boston Engineering will require proof of status prior to employment.

Employment Type: Full-Time Role

Reports to: Manager Mechanical Engineering & Project Manager

Location: Office-based role in Waltham Massachusetts

Relocation:  Not available at this time

Travel: Minimal

Salary Range: The base salary range for this position is $150000 - $185000 annually commensurate with experience and final offer amount will be determined by factors such as the candidates education knowledge experience and skills. A comprehensive benefits package including health insurance 401(k) match and paid time off is also provided.

All your information will be kept confidential according to EEO guidelines.

Interested

Please contact Christine Higgins Senior Talent Acquisition Partner Boston Engineering 

email: LinkedIn: Christine Higgins LinkedIn

 


Remote Work :

No


Employment Type :

Full-time


About Company

Boston Engineering improves the way people work and live through innovative product design and novel engineering. We are product designers and engineers for the Medical, Industrial, Commercial, and Defense sectors. Experts in robotics, motion control and embedded systems, DFX, and dig ... View more

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