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Supplier Quality Engineer

O'Fallon Casting
Fallon, MO Full Time
POSTED ON 4/22/2026
AVAILABLE BEFORE 6/22/2026

Accelerate your career. Join the organization that's delivering industry leading aluminum investment castings that change the world.

O'Fallon Casting is a leader in the aluminum investment casting market. We create value for industries that impact everyone, worldwide. Our customers come to us to help them solve some of the most challenging problems in the world, and we deliver where others fail. We create a world class product, using best in class tools and procedures to maintain the highest quality and safety standards. We come together as a team and operate as a family. Everyone who walks through our doors is valued and treated with dignity and respect.

This role will directly support our subcontract machining suppliers to ensure that machined castings and value-added processes (finishes, coatings, hardware assembly) meet customer and internal requirements. The SQE will serve as the company's machining subject matter expert (SME) while also ensuring supplier compliance to AS9100 and customer standards.

Why O'Fallon casting? We offer 401K and wonderful benefits including:

  • Medical, Dental, and Vision
  • 401K Matching
  • PTO Time and Paid Holidays
  • Tuition Reimbursement
  • HSA Support from Company
  • Life Insurance
  • Short and Long-Term Disability
  • Employee Assistance Program

Additional Perks:

  • Career growth opportunities
  • Company invested training
  • Employee engagement events throughout the year

 

Key Responsibilities

  1. Supplier Scope Development

Interpret machined casting drawings and requirements.

Create clear, detailed scope of work packages for subcontract machining suppliers to quote.

Ensure bid packages reflect machining, finishing, coating, and hardware assembly requirements.

  1. Production Plan & Process Review

Review machining suppliers' process plans and methods for adequacy.

Verify supplier capability to machine castings to tolerance, including fixturing, tool selection, and process controls.

Evaluate finishing, coating, and hardware assembly steps for compliance with specifications.

  1. FAI and PPAP Oversight

Review AS9102 First Article Inspection (FAI) and PPAP submissions for accuracy, completeness, and compliance.

Confirm machining, coatings, and assembly processes meet customer and AS9100 requirements.

Partner with suppliers to resolve nonconformances and documentation gaps.

  1. Supplier Corrective Action (SCAR) Support

Lead and participate in SCAR investigations with subcontract machining suppliers.

Validate root cause, corrective, and preventive actions for machining, finishing, and assembly issues.

Drive supplier accountability and continuous improvement.

  1. Machining & Process Subject Matter Expertise

Act as the internal SME for machining, finishing, coatings, and hardware assembly.

Provide technical input during design reviews for manufacturability and downstream processes.

Mentor internal teams on machining/secondary process requirements and industry best practices.

Qualifications

Bachelor's degree in Mechanical, Manufacturing, or Industrial Engineering (or equivalent practical experience).

5 years in machining, manufacturing engineering, or supplier quality (aerospace/defense preferred).

Strong knowledge of machining processes (milling, turning, drilling, fixturing, GD&T).

Familiarity with secondary processes including surface finishes, coatings, and hardware assembly.

Experience with AS9100, AS9102 FAI, and PPAP.

Proficiency in reading and interpreting complex aerospace casting drawings and specifications.

Skilled in root cause analysis, corrective action methods, and quality systems auditing.

Preferred Skills

Aerospace aluminum casting experience highly desired.

Working knowledge of special processes (NDT, heat treat, painting, anodizing, plating).

Experience managing subcontract machining/finishing suppliers.

ASQ CQE, Six Sigma, or Lean certification a plus.

This is not a complete listing of the job duties. It's a representation of the things you will be doing, and you may not perform all these duties.

Please be prepared to pass a drug test and successfully pass a pre-employment (post offer) background check.

O'Fallon Casting is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other protected category under applicable law.

 

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