Principal Machinist

What We Do And Who We AreAt Yamaha Marine Precision Propellers, we work as a team to manufacturer 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.POSITION PURPOSEThe 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.Essential Duties And ResponsibilitiesSet 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. Required Skills And AbilitiesMastery 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 Education/Experience RequirementsHigh 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 machining. CNC certification preferred. Strong proficiency in GD&T and precision measurement tools. Certification preferred. Demonstrated ability to independently solve complex machining challenges Strong attention to detail and commitment to quality and safety PreferredMulti-axis CNC machining experience CAM programming experience Experience mentoring or leading machinists Industry experience in [aerospace, defense, medical, automotive, industrial manufacturing, etc.] Additional InformationAll candidates will be subject to full background screening prior to employment.What You'll Love About UsLearning & Development: Tuition assistance is available along with an internal training budget. Get with a hands-on company, in a fast-paced environment where you can have the runway to make change.Rest & Relaxation: 12 paid holidays off per year on top of a generous vacation policy.Great company culture: Work for a company that genuinely values work/life balance.Health Benefits: Medical with HSA options, Dental, and Vision starting first day of the month following date of hire.Prepare for the Future: Competitive 401(k) with company match.Innovative Environment: Work with a team dedicated to pushing the boundaries of investment casting technology.Growth Opportunities: Opportunities for professional development and career advancement within a growing company.