CNC Prototype Machinist

Insight Manufacturing S

Murphys, CA

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JOB DETAILS

SALARY

$72,000–$87,360 Per Year

SKILLS

Administrative Skills, Aerospace and Defense, Analysis Skills, Automotive Manufacturing, Blueprints, CAD (Computer-Aided Design) Software, CAD/CAM (Computer-Aided Design/Computer-Aided Manufacturing), CNC (Computerized Numerical Control) Systems, Capability Maturity Model (CMM), Communication Skills, Composite Materials, Control Systems, Documentation, Equipment Maintenance/Repair, Geometric Dimensioning and Tolerancing, Hand Tools, Lathe, Machine Tool, Machining, Machining Operations, Maintain Compliance, Manufacturing Design, Manufacturing Technology, Metal Manufacturing, Metal Shaping, Multitasking, Organizational Skills, Presentation/Verbal Skills, Problem Solving Skills, Production Machining, Production Systems, Programming Languages, Prototyping, Quality Control, Quality Metrics, Software Administration, Software Simulation, Systems/Internals Programming, Team Player, Technical Leadership, Test Plan/Schedule, Test Program, Time Management, Vertical Machining

LOCATION

Murphys, CA

POSTED

1 day ago

We are seeking an experienced CNC Prototype Machinist to join our machine shop team. Under general supervision, develops, writes, and edits programs that direct automated machine tools to cut and shape precision metal parts, tools, and products. Additionally, sets up and operates CNC and manual machining equipment to product prototype components and precision parts. Uses blueprints, CAD data, and engineering sketches to ensure all specifications, dimensions, and tolerances are met. Works closely with engineers and production staff to refine designs for manufacturability, accuracy, and efficiency in prototype and limited-run production environments. Key Responsibilities Analyze job orders, blueprints, CAD data, and engineering documentation to determine machining operations, sequences, and dimensions. Write, test, and revise CNC programs to control machining or processing of metal or plastic parts. Select and set up appropriate tooling, fixtures, and machining parameters such as cutting speeds, feed rates, and depths of cut. Operate CNC and manual machine tools (vertical mills, horizontals, lathes, grinders, etc.) to fabricate prototype and production components. Review and interpret blueprints, CAD models, and specifications to ensure compliance with dimensional and tolerance requirements. Calculate dimensions and tolerances using precision instruments such as micrometers, calipers, and height gauges. Inspect finished products to verify accuracy and quality using precision measuring tools and visual inspection techniques. Perform setups, adjustments, and minor maintenance on machinery as needed to maintain accuracy and efficiency. Simulate or test programs to ensure that machinery functions properly and meets engineering requirements. Prepare setup sheets, documentation, and process notes for repeatability and training. Collaborate closely with engineers, machinists, and production staff to optimize prototype manufacturability and machining processes. Maintain knowledge of evolving CNC control systems, programming languages, and machining technology. Train or provide technical guidance to machinist and operators as needed. Qualifications CNC programming (Proficiency with Fanuc/Haas controls) CAD/CAM software proficiency (Proficiency in Fusion 360, or similar software) Setup and operation of CNC and manual machine tools Precision measurement and quality inspection Blueprint reading, mechanical drafting, and GD&T interpretation Knowledge of machining materials and processes (metals, plastics, composites) Must have basic understanding of office administration. Strong organizational and time management skills Critical thinking and problem-solving ability Works independently with minimal supervision Effective written and oral communication Adaptable and able to multitask under changing priorities Team-oriented, collaborative approach with engineers and peers Continuous learning mindset with focus on innovation and accuracy Associate’s degree or technical certificate in manufacturing technology, machine tool technology, or related field. 5-7 years of combines CNC programming and machining experience, ideally in prototype or low-volume environments. NIMS or equivalent credentials are desirable. Industries: Aerospace, automotive, metal fabrication, precision tooling and prototyping sectors. Physical & Environmental Conditions Most functions are performed indoors. Temperature variation reasonably controlled by heaters and fans. Occasional exposure to moving mechanical parts. Occasional risk of electrical shock and vibration. Noise level is usually loud. Safety glasses are provided and required when working in restricted areas. Equipment CNC mills, horizontals, lathes, and multi-axis machining centers Manual mills, lathes, and grinders CAD/CAM software and simulation tools (Fusion 360) Precision measuring instruments (micrometers, calipers, gauges, CMM) Hand tools, fixtures, vises, and inspection equipment Computers and CNC control interfaces. Compensation details: 72000-87360 Yearly Salary PI05a004fb7462-25448-387893405c143e31-5e48-4549-b638-05792d185386

About the Company

Insight Manufacturing S

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