Sr. Supplier Development Engineer (Casting & Internal Engines)

Fond du Lac
Full Time

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Mercury Marine is seeking a Senior Supplier Development Engineer who will be responsible for developing, supporting, and maintaining casting and internal engine components suppliers through direct support of production operations, root cause/corrective action investigation, and active involvement with assigned suppliers to optimize suppliers’ processes for efficiency, quality, and productivity.

Job responsibilities are highlighted below.

The senior SDE- casting and machining/internal engine will be a subject matter expert knowledgeable in aluminum castings, steel forgings, machining process and further processes (heat treatment, coatings). He or she will support the design review and development of new and existing components to ensure suppliers meet the quoted capacity and capability requirements.

  • Oversee supplier quality processes for casting, machining, and internal engine components.
  • Develop and implement quality control procedures to ensure compliance with industry standards.
  • The Sr. SDE will investigate, evaluate, and resolve supplier quality problems by conducting defect investigations, analyzing defect trends, and leading continuous improvement projects.
  • Lead and facilitate quality solutions for urgent shop floor and customer issues, focusing on permanent corrective actions and preventing recurrences through implementing systemic corrective actions.
  • Working with purchasing and quality organizations to monitor current supplier performance, including impact, quality, delivery, and cost, and generate/issue monthly individual supplier performance scorecards.
  • Collaborate with suppliers to resolve quality issues and implement corrective actions.
  • Monitor and analyze supplier performance metrics to drive continuous improvement.
  • Lead cross-functional teams to address quality issues and implement quality improvement initiatives.
  • Assist supplier in advancing product quality efforts in coordination with Engineering/Design and program management through the launch of new product programs to assure adherence to specification.
  • Assist with the development of PPAP documentation (dimensional verification requirements, process flow charts, control plans, FMEAs, MSA and material analysis) as required by the Quality Management System.
  • Provide guidance and support to suppliers to ensure product quality and on-time delivery.
  • Conduct supplier training programs to enhance quality awareness and performance.
  • Stay up to date on industry trends and best practices in casting, machining, and quality assurance of internal engine components.
  • Drive a culture of quality excellence and continuous improvement within the supplier network.
  • Drive supplier’s improvement projects in quality, delivery, and cost.   
  • Conduct suppliers (new suppliers selection, process, and launch readiness) audits at the suppliers

Key qualifications are listed below.


  • Minimum of 5 years of hands-on experience in aluminum castings (HPDC, sand cast, and LP), steel forgings, and aluminum/steel machining (multi-axis mills, horizontal and vertical, lathes and grinders).
  • Experience in casting-related processes (e.g., coatings, tumbling, trimming, blasting, heat treatment, Metal Melting, and Handling).
  • Experience in heat treatment and CQI9 requirements
  • Strong problem-solving experience and tools.
  • Working knowledge of APQP, including design reviews, PPAP, Process control plan, FMEA
  • Working knowledge of DOE, SPC, GD&T, corrective action processes; ability to interpret and understand complex drawings.
  • Understanding of 3D CAD modeling software and mold flow software.
  • Experience with failure analysis using advanced techniques.
  • Detail-oriented with a focus on delivering high-quality results.
  • Demonstrated leadership in driving successful project outcomes.
  • Ability to work collaboratively in a fast-paced, dynamic team environment.
  • Experience in supporting product and process development through the product lifecycle and associated assets.


  • Demonstrated proficiency in the use and application of tools such as process FMEA, control strategies, modeling and simulation software, statistical methods, problem-solving, materials science, and design of experiments (DOE)
  •  Strong aptitude and understanding of plastics’ capabilities and the methods needed to measure, test, and qualify components made of these materials.
  • Ability to provide solutions that reflect an understanding of business objectives and cost implications.
  • Direct experience or advanced training applicable to the processing of thermoplastics and/or extruded materials in a production environment
  • Experience with supply chain/Procurement, APQP/PPAP

Education Requirements:

  • A minimum of a four-year engineering degree and related technical field is  required.

Business Travel Expectations

Travel required can be up to 30%.

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. Diversity of experience and skills combined with passion is a key to innovation and inspiration. Therefore, we encourage people from all backgrounds to apply to our positions. Please let us know if you require accommodations during the interview process. 

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