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Prototype Machinist

Long Beach, CA 90808

Posted: 11/17/2025 Employment Type: Direct Industry: A&D/Semi Job Number: 86147

Job Description

A leading provider of metal additive manufacturing (AM) solutions is seeking a Prototype Machinist to support its work in the aerospace, defense (ultra-secure), and space industries. The company focuses on the manufacture and certification of production flight hardware, driving industry growth through the integration of AM technology. Leveraging advanced engineering and manufacturing capabilities, they are pushing the boundaries of additive manufacturing in high-performance sectors.


The Prototype Machinist will program and operate machinery to produce parts that conform to blueprints, following GD&T specifications. This includes working on 3-5 axis machines, Wire EDM, and various pneumatic abrasive tools. The role requires a strong mechanical aptitude, attention to detail, and the ability to deliver precision work. This position reports directly to the Senior Operations Manager.


Job Duties / Responsibilities:

  • Creates machining programs with Siemens NX CAM
  • Complete set-ups.
  • Machine parts to conforming tolerances
  • Perform and maintain accurate in-process quality inspections and records.
  • Identify and recommend process improvements to reduce part quality variation.
  • Input data into visual management forms and convey results to management.
  • Continuously improve processes and procedures to eliminate waste.
  • Set up, operate, and perform daily maintenance on CNC equipment.
  • Assist in the deburring of parts.

Job Requirements

Required Skills:

  • Ability to read and understand blueprints to meet specified dimensions (GD&T).
  • Understanding of machine tool accuracies, fixture offsets, and tool offsets.
  • Knowledge of cutting tool feeds, speeds, and tool life for aerospace hard turning or milling.
  • Proficient in using precision measuring instruments (calipers, micrometers, dial indicators, precision scales).
  • Ability to maintain close tolerances (within 0.001') for IDs, ODs, roundness, concentricity, and squareness.
  • General knowledge and skill in using wire EDM and bandsaws.
  • Proficient with hand, power, and pneumatic tools (pliers, screwdrivers, hammers, punches, chisels, saws, clamps, drills, impact hammers, abrasives, grinders, and rotary drills).
  • Ability to communicate effectively with employees and management.


Desired Qualifications:

  • Experience running DMG Mori equipment including DMU60, and DMC125 FD with Siemens 840D Control
  • Experience with set-up and machining Additive Manufacturing (metal-LPBF) parts
  • Mechanical Design Modeling
  • Lean Manufacturing including 6S


Education / Experience / General Requirements:

  • High school diploma or equivalent.
  • Minimum 3 years of experience in operation setup on CNC machines (required).
  • Good vision abilities, including close vision, peripheral vision, and the ability to adjust focus (required).
  • Ability to lift a maximum of 50 lbs. (over 25 lbs. with assistance) (required).
  • REQUIRED: Applicants must be able to obtain and maintain a SECRET Security Clearance as required for this position. Ongoing employment is contingent upon maintaining the clearance. To obtain a SECRET Security Clearance US Citizenship is required
 
Compensation: $52-$58/hr

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