Precision CNC Production Machinist

Marini Machining; Racine (WI); On-site; USD 44,000 - 54,000; Full time

Job summary

Marini Machining seeks a skilled machinist to transform raw metal into precise components on CNC mills, lathes, and manual machinery. You’ll verify dimensions using micrometers, height gauges, and gauge blocks, and ensure parts meet specs through in‑process checks.

You will handle loading, setup, cycling, and final inspection while performing routine maintenance and logging run data. Eligible to work in the United States.

Qualifications

• Effective interpersonal and written communication skills.
• Ability to collaborate in a team environment.
• General math and reading proficiency.
• General understanding of blueprint reading.
• Knowledge of gauges, reading techniques, and interpretation of measured results.

Responsibilities

• Load/unload workpieces with hoists and tools; secure to machining table.
• Start up equipment, monitor cycles, correct malfunctions or out‑of‑tolerance conditions.
• Verify critical dimensions with micrometers, height gauges, gauge blocks.
• Tag or stamp parts and record run data on Process/Log sheets.
• Clean parts and deburr; stage pallets or tubs.
• Perform routine preventive maintenance on manual/automatic machines; report issues.

Skills

CNC Programming

G-Code

M-Code

Precision measurement

Team collaboration

Written communication

Math & reading

Tools

CNC Mill (3-4 axis)

CNC Lathe (2-4 axis)

Coordinate Measuring Machine (CMM)

Calipers

Micrometers

Gauges

Job description

Day in the lifeReporting to the Shop Supervisor, you’ll transform raw metal into precise components by operating CNC, conventional, and special‑purpose equipment. Your shift moves from safe part loading and setup through in‑process checks, adjustments, and final verification to ensure every piece meets spec.What you'll handleLoad and unload workpieces with hoists and hand tools, securing them to the machining table.Start up equipment, watch cycle performance, and correct malfunctions or out‑of‑tolerance conditions by adjusting controls or media.Verify critical dimensions and alignment using micrometers, height gauges, and gauge blocks.Tag or stamp completed parts and record run data on Process and Log sheets.Clean parts using a washing machine and deburring tools (files, die grinders, hand grinders); stack on pallets or stage in tubs.Perform routine preventive maintenance on manual and automated machines: clean interiors/exteriors, check and refill oil, and make minor repairs.Notify the supervisor of equipment issues requiring additional service.Reporting structureNo supervisory responsibilities.Additional expectationsOther responsibilities as assigned by the Shop Supervisor.QualificationsEffective interpersonal and written communication skills.Ability to collaborate in a team environment.General math and reading proficiency.General understanding of blueprint reading.Knowledge of gauges, proper reading techniques, and interpretation of measured results.Technical proficiencyCNC ToolingTroubleshooting SkillsCNC ProgrammingG-CodeM-CodeCNC Machine Setup & ChangeoverPrecision Measurement & Hand MetrologyMachine Setups for Production RunsManual Machining SkillsEquipment you’ll runCNC Mill (3-4 axis VMC) (Fanuc, Mazak)CNC Lathe (2-4 axis) (Mazak, Samsung, Hyundai - Wia)Coordinate Measuring Machine (CMM) (Zeiss)Calipers and MicrometersHorizontal Machining Center (3-4 axis)Vertical LatheLegal and compliance· Eligible to work within the United States