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Machinist III

Job in Houston, Harris County, Texas, 77246, USA
Listing for: Amentum
Full Time position
Listed on 2025-12-31
Job specializations:
  • Manufacturing / Production
    CNC Machinist, Machine Operator
Job Description & How to Apply Below

Machinist III

We are seeking an experienced Machinist III to join our team. The role involves precision turning, milling, grinding, and CNC programming to produce high‑quality aerospace components.

Responsibilities
  • Plan, layout, machine, and assemble parts to exacting tolerances and specifications.
  • Set and operate a variety of machining equipment, including lathes, mills, grinders, and CNC machines.
  • Determine the sequence of machining operations and the number of cuts required for required finishes and tolerances.
  • Make detailed layouts for parts with compound angles and complex mating features.
  • Set up machines, select and mount cutting tools, adjust speeds, feeds, and depths of cut.
  • Check machine setup and part run for conformance to blueprint specifications; grind tool bits and drills as needed.
  • Work from detailed drawings, templates, sketches, and assembly blueprints.
  • Provide technical direction to customers on pre‑fabrication reviews, modifications, or repairs.
  • Perform typical machining operations such as chasing tapers, turning, boring, facing, slotting, and other operations on metal and plastic components.
  • Program and operate CNC machines using at least one CNC programming language.
  • Train less experienced machinists and perform general inspection of work.
  • Maintain a clean and organized work area; organize and store inventory, materials, and safety equipment.
  • Use lift equipment and perform related duties as required.
Required Qualifications
  • High School Diploma or equivalent; minimum 12 years of machinist experience.
  • Familiarity with at least one CNC programming language.
  • Proficient with standard machining concepts, practices, and procedures.
  • Ability to follow written and verbal instructions.
Preferred Qualifications
  • Operating experience with Mazak lathes and Mazatrol programming.
  • Experience developing CNC/lathe programs with CAD/CAM tools such as CREO, Master Cam, or ProE.
  • Knowledge of GD&T and proficiency with precision measuring tools.
  • Experience with horizontal or vertical multi‑axis CNC machines and 5‑axis programming.
  • Overhead crane experience and handling of NASA flight hardware.
Benefits
  • Excellent personal and professional career growth opportunities.
  • 9/80 work schedule (if applicable).
  • Onsite cafeteria with breakfast and lunch.
  • Additional benefits as detailed in the full offer.
Physical Requirements and Work Environment

The position requires occasional climbing, lifting up to 50 pounds, and standing. The work area is a large, climate‑controlled manufacturing facility with machining equipment and typical noise levels. Safety gear, including steel‑toed shoes and hearing protection, is mandatory.

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