Master Machinist/Programmer

Company: Precision Aero Fab, Inc.
Location: Yuma
Posted on: February 21, 2026

Job Description:

We are seeking an experienced Master Machinist to manage our machine shop operations and lead a team of skilled machinists. The ideal candidate will have advanced expertise in CNC machining, proficiency in Mastercam programming, and proven leadership skills to oversee shop activities, ensure quality production, and maintain efficient workflows. This role combines hands-on machining, programming, and managerial responsibilities to deliver precision components that meet customer specifications. Key Responsibilities: Machining & Programming: Set up, operate, and troubleshoot CNC mills, lathes, and other precision machining equipment. Create, edit, and optimize CNC programs using Mastercam for complex parts and multi-axis machining. Interpret technical drawings, GD&T, and specifications to ensure parts meet quality standards. Perform precision measurements using tools such as micrometers, calipers, and CMMs. Shop Management: Oversee daily operations of the machine shop, including scheduling, workflow planning, and resource allocation. Supervise, train, and mentor machinists and apprentices to maintain high skill levels and safety standards. Manage inventory of tools, materials, and supplies to support uninterrupted production. Coordinate with engineering, production, and quality teams to meet project deadlines and specifications. Quality & Process Improvement: Implement and enforce quality control processes to ensure parts meet tolerances and customer requirements. Identify opportunities for process optimization, cost reduction, and efficiency improvements. Maintain and calibrate machines to ensure optimal performance and compliance with safety regulations. Administrative Duties: Prepare job quotes, track production costs, and report on shop performance metrics. Ensure compliance with OSHA and other workplace safety standards. Maintain accurate documentation of programs, setups, and production records. Qualifications: Experience: 7 years as a machinist with at least 3 years in a supervisory or managerial role. Extensive experience programming in Mastercam for CNC mills and lathes (3-5 axis preferred). Proven track record in producing high-precision components in a machine shop environment. Skills: Advanced knowledge of CNC machining processes, tool selection, and cutting parameters. Proficiency in Mastercam for CAD/CAM programming, including toolpath generation and simulation. Strong understanding of blueprints, GD&T, and metrology. Leadership skills with the ability to motivate and manage a team. Excellent problem-solving, organizational, and communication skills.

Keywords: Precision Aero Fab, Inc., Calexico , Master Machinist/Programmer, Engineering , Yuma, California