CNC Lathe Operator and Quality Machinist

MARVIN HOPKINS

**** * *** * ******** Ave Milwaukee, WI 53212 +1-414-***-**** *******************@*****.*** Professional Summary

Dynamic CNC lathe operator with over 5 years of experience in machining and quality control. Proficient in CNC programming, G-code, and blueprint interpretation with a strong focus on precision measurement tools and process optimization. Demonstrated ability to maintain safety standards and clean, orderly work environments while adapting to varied machining operations.

Work Experience

CNC Machinist/Operator

Grede Menomonee Falls, WI

October 2025 to January 2026

• Programmed CNC machines using G-code and CAD/CAM software to ensure precise machining processes and adherence to specifications

• Operated and maintained CNC machines producing high-quality precision parts, monitoring feeds, speeds, and tolerances closely

• Conducted thorough inspections of finished products using precision measuring instruments such as calipers and micrometers to verify dimensional accuracy

• Made necessary adjustments to machine settings to maintain product quality and meet production targets

• Suggested tooling and programming improvements to enhance productivity and reduce costs

• Performed routine machine maintenance including cleaning, lubricating, and replacing worn tools and parts

• Followed all safety guidelines when operating machinery or handling hazardous materials to maintain a safe work environment

CNC Machinist

Diamond Precision Products Milwaukee, WI

January 2022 to February 2025

• Programmed CNC machines using G-code and CAD/CAM software to ensure accurate machining operations

• Operated and maintained CNC machines producing precision parts according to specifications

• Conducted inspections of finished products using precision measuring instruments such as calipers and micrometers to ensure quality standards

• Adjusted machine settings as needed to maintain product quality and meet production goals

• Performed routine maintenance including cleaning, lubricating, and tool replacement to ensure machine reliability CNC Operator (Contractor)

RCS Innovations Milwaukee, WI

April 2019 to August 2019

• Adjusted machine controls and tool settings to maintain dimensions within specified tolerances

• Inspected sample workpieces using gauges, micrometers, and dial indicators to verify conformance with specifications

• Computed dimensions and machine settings based on metal properties and shop knowledge

• Set up and changed over CNC mills and lathes to ensure efficient production cycles

• Monitored machine cycles, making adjustments to tool positions and controls to meet timing and clearance requirements

CNC Operator (Contractor)

SGS Wisconsin

November 2018 to February 2019

• Studied blueprints, layouts, and job orders to interpret specifications, tooling instructions, and material requirements

• Mounted attachments and set up machines to perform operations such as duplicating contours and trimming workpieces

• Replaced worn tools and sharpened cutting tools using grinders to maintain cutting efficiency

• Started and monitored lathe and turning machines to ensure operations met specifications

• Positioned and secured metal stock or workpieces using hoists and hand tools for machining processes CNC Operator (Contractor)

General Electric

February 2017 to May 2018

• Studied blueprints, layouts, and job orders to determine specifications, tooling instructions, and material requirements

• Adjusted machine controls and tool settings to maintain dimensions within specified tolerances

• Inspected sample workpieces using gauges, micrometers, and dial indicators to verify conformance with specifications

• Set cutting speeds, depths, and feed rates, positioning tools accurately relative to workpieces

• Managed coolant flow and performed setups and changeovers for CNC mills and lathes to optimize machining operations Education

High school diploma

Alexander Hamilton High School Milwaukee, WI

September 2003 to June 2007

Upper secondary education

Skills

CNC programming G-code Precision measuring instruments Blueprint reading Machine setup Mechanical knowledge Problem-solving CNC machine operation Inspection tools Turning

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