Senior Machinist

What We Do And Who We Are

At Yamaha Marine Precision Propellers, we work as a team to manufacture boat propellers using an investment casting process. We make high quality products while supporting our teams and local communities by providing great careers in a safe, respectful, and innovative environment.

The Principal Machinist is a senior technical expert responsible for producing complex, high-precision components and serving as a subject matter expert within machining operations. This role provides advanced troubleshooting, process improvement, and technical leadership while supporting safety, quality, and production objectives.

• Set up, program (as applicable), and operate advanced CNC and/or manual machining equipment to manufacture complex, tight-tolerance parts
• Serve as the technical authority on machining methods, tooling, fixturing, materials, and feeds/speeds using industry best practices.
• Interpret complex engineering drawings, CAD models, and GD&T requirements
• Troubleshoot machining, tooling, and quality issues; implementing corrective actions.
• Perform routine machine maintenance including tool room 6S.
• Support process optimization, cycle time reduction, and scrap reduction initiatives
• Mentor and provide technical guidance to machinists and apprentices
• Collaborate with Engineering, Quality, and Manufacturing teams on new product introduction and continuous improvement
• Ensure compliance with safety standards, quality systems, and company policies
• Participate in root cause analysis and corrective/preventive action efforts and implementing innovative machining methods.

• Mastery of manual and CNC machining (mills, lathes, grinders, multi-axis equipment)
• Expert ability to read and interpret complex blueprints, GD&T, and technical drawings
• Advanced knowledge of tooling selection, fixturing, and cutting parameters and able to implement
• Deep understanding of materials (steel, aluminum, alloys, castings) and machining behavior and able to select best machining practices
• Ability to program, set up, and troubleshoot CNC machines (G-code and/or CAM systems)
• Performs complex, tight-tolerance work with minimal supervision
• Strong understanding of dimensional inspection methods and metrology tools
• Strong understanding of dimensional inspection methods and Ability able to verify parts using CMMs, micrometers, calipers, indicators, and gauges
• Maintains strict adherence to quality standards, tolerances, and specifications
• Able to identify and correct process variation before defects occur
• Expert at troubleshooting machining, tooling, and process issues and providing solutions
• Supports root-cause analysis for scrap, rework, and downtime
• Drives process optimization, cycle time reduction, and efficiency improvements
• Contributes to Lean manufacturing and continuous improvement initiatives
• Serves as a technical leader and subject-matter expert on the shop floor
• Mentors and trains journeyman machinists, apprentices, and operators
• Provides guidance on best practices, safety, and quality expectations
• Leads by example in workmanship, accountability, and professionalism
• Strong commitment to shop safety standards and safe work practices
• Identifies hazards and proactively supports risk reduction efforts
• Ensures compliance with company policies and regulatory requirements
• Role model for safe equipment use and proper PPE
• Works closely with engineering, quality, maintenance, and supervision
• Communicates technical issues and solutions clearly and effectively
• Provides feedback on design for manufacturability (DFM)
• Supports production planning and scheduling needs
• Highly reliable, disciplined, and detail-oriented
• Manages priorities in a fast-paced manufacturing environment
• Demonstrates strong ownership, pride in craftsmanship, and accountability
• Continuously seeks to expand skills and technical knowledge

• High school diploma or equivalent (technical certification or apprenticeship preferred or equivalent)
• 10+ years of progressive machining experience, including complex part manufacturing
• Advanced knowledge of CNC machining and/or precision manual…