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Principal Engineer Mechanical Development


Job Location:

Fond du Lac, WI - USA

Yearly Salary: $ 103200 - 164500
Posted: 11 July 2026 (30+ days ago)
Application Deadline: 18 November 2026
Vacancies: 1 Vacancy

Job Summary

Are you ready for whats next

Come explore opportunities within Brunswick a global marine leader committed to challenging conventions and innovating next-generation technologies that transform experiences on the water and beyond. Brunswick believes Next Never Rests and we offer a variety of exciting careers and growth opportunities within united teams defining the future of marine recreation.

Innovation is the heart of Brunswick. See how your contributions will help transform vision into reality.

Position Overview:

As a Mechanical Development Principal Engineer you will serve as a senior technical authority within Mercurys product development organization. This role combines direct ownership of assigned engine systems with a broader responsibility to provide system-level guidance and technical judgment across all engine development.

At Brunswick we have passion for our work and a distinct ability to deliver.

Essential Functions:

  • Develop engine systems (valvetrain pistons connecting rods balance systems bearings etc.) from concept selection to production.
  • Advise in developing new engine architecture for naturally aspirated super charged or turbo charged spark ignited engines
  • Provide guidance on system layout and component selection (bore-stroke layout valve train type piston sizing crank train layout timing drive)
  • Work with component engineers suppliers and the analysis group to verify component designs meet system requirements.
  • Develop component & system level DFMEAs and Design Validation Plans (DVPs). Then using the test plan identified execute the required testing and document results.
  • Design cost-effective experiments to prove proposed concepts and reduce technical risk.
  • Challenge legacy solutions and introduce innovative manufacturable designs.
  • Generate patentable ideas leading to commercial success.
  • Provide engineering recommendations on system-level tradeoffs involving performance durability NVH weight cost and manufacturability.
  • Participate in design reviews issue resolution and root-cause investigations crossing component boundaries.
  • Mentor and technically guide team members.
  • Help define and reinforce engine development best practices and internal technical standards.

Diversity of thought and experiences is fundamental when imagining the unimaginable. Certain skillsets/experiences are necessary; however others can be developed along the way.

Required Qualifications:

  • Bachelors degree in Mechanical Engineering or equivalent.
  • 8 years of progressive experience in internal combustion engines.
  • Demonstrated ownership of engine component or mechanical systems development.
  • Broad understanding of overall engine system interactions.
  • Proven ability to define and execute comprehensive DVPs.

Preferred Qualifications:

  • Masters degree in Mechanical Engineering or related field.
  • Proficiency with Creo / ProE.
  • Experience applying DFSS tools.
  • Recognized technical leader within prior organizations.
  • Strong understanding of engine related manufacturing processes including casting forging machining injection molding heat treatment grinding balancing and assembly.

The hiring range for this position is $103200 - $164500 annually. The actual base pay offered will vary based on multiple factors including job-related knowledge/skills relevant experience business needs and geographic location. Compensation decisions are dependent upon the specifics of the candidates qualifications and the business context.

In addition to base pay this position is eligible for an annual discretionary bonus. This position is eligible to participate in Brunswicks comprehensive and high-quality benefits offerings including medical dental vision paid vacation 401k (up to 4% match) Health Savings Account (with company contribution) well-being program product purchase discounts and much more. Details about our benefits can be found here.

Next is Now!


We value growth and development recognizing that people come with a wealth of experience and talent beyond just the technical requirements of a job. If your experience is close to what you see listed here please still consider applying.

Brunswick is an Equal Opportunity Employer and considers all qualified applicants for employment without regard to race color religion sex sexual orientation gender identity national origin age disability protected veteran status or any other characteristic protected by federal state or local law. Diversity of experience and skills combined with passion is key to innovation and inspiration and we encourage individuals from all backgrounds to apply. If you require accommodation during the application or interview process please contact for support.

For more information about EEO laws - click here

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#Brunswick Corporation - Mercury Marine

Required Experience:

Staff IC


About Company

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Brunswick Corp. is a global leader in the marine recreation and technology industry. Owner of 60+ brands, including Mercury Marine, Boston Whaler, and Sea Ray.

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