Precision Machining Cell Leader -- CNC Lathe/Mill Programming Specialist

Job Description

Job Description

About the role

We’re looking for a programming-first Cell Leader who can convert customer drawings and models into robust, efficient CNC programs—and then guide a small team to deliver on quality and schedule. This position blends advanced CAM work with day-to-day leadership of a machining cell.

• Program CNC lathes and mills from customer drawings/specifications using Mastercam or Hypermill
• Generate 3D models or 2D drawings from customer inputs when required
• Develop setup sheets; select tools and define offsets; optimize for yield and cost efficiency
• Direct and assist setups for CNC mills and lathes; diagnose and correct programming issues
• Create purchase requisitions for tooling and BOM needs
• Collaborate with internal departments to resolve manufacturing and processing challenges
• Measure parts using calipers and inspection tools (personal or company-owned)
• Lead a cell with up to three CNC machines and manage up to one operator, including day-to-day oversight
• Maintain a safe, clean, organized workspace in accordance with OSHA guidelines
• Support continuous improvement and adhere to Zero Hour Parts’ quality management system (QMS)

• High school diploma or GED required; Associate’s in Engineering Technology or related field, technical certifications, or advanced apprenticeship a plus
• Minimum 1 year of CNC programming experience
• Minimum 4 years of machining experience (or manager-approved equivalent)
• Proficiency with Mastercam or Hypermill and strong computer literacy
• Strong blueprint reading; moderate GD&T required (strong preferred)
• Proficient with machinist gauges (calipers, micrometers, etc.)
• Experience with materials including steel, aluminum, stainless, plastics, titanium, copper, ceramic, and more
• Preferred: CNC prototype machining and setup experience
• Required: setup/operation of 3-axis mills or 2-axis lathes
• Preferred: setup/operation of 4- and 5-axis mills; 3-axis lathes and live tooling
• Demonstrated leadership ability; dependable, self-driven, adaptable; comfortable in a fast-paced setting
• Able to lift up to 50–75 lbs; able to sit/stand for long periods; willing to work overtime as needed

• CNC Lathes (2–4 axis and 5+ axis)
• CAM: Mastercam or Hypermill

• Own day-to-day cell performance—safety, quality, delivery, and cost
• Uphold Zero Hour Parts’ QMS on all parts, projects, and jobs
• Partner with the Manufacturing Manager and cross-functional teams to drive improvements