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Machinist III

Cooper Machinery Services
Stockdale, TX Full Time
POSTED ON 1/4/2026
AVAILABLE BEFORE 2/6/2026

Job Title:
Machinist III – ICP

FLSA Status:
Non-Exempt

Group:
Regular – Full Time

Department:
Services

Location:
Stockdale, TX

About Cooper Machinery Services
Cooper Machinery Services provides natural gas compression equipment and services to customers globally in the Oil & Gas, Power, Transportation, and Marine sectors. With a proud heritage dating back to 1833, Cooper Machinery Services is the OEM for legendary product lines including Cooper-Bessemer, Ajax, Superior, Gemini, TSI, CSI, Enterprise, and Joy. Headquartered in Houston, TX, but with commercial and services hubs around the world, Cooper Machinery Services provides world-class services to more than 22,000 units in its installed base.

Our strength is our people. Each employee plays an integral role in our success and growth. With a commitment to our vision that strong relationships drive strong results and better business, our people make Cooper Machinery Services legendary.

Job Overview
Machinist III is responsible for operating manual machinery to support production and repair of many different compressor and engine parts needs while maintaining safe work practices and assisting the Service Shop team. Machinist III will also be responsible for the safety of operation, monitoring and troubleshooting the wastewater system daily. Perform all aspects of sampling, testing and monitoring wastewater, required to maintain compliance with federal, state & locals laws governing the wastewater treatment process.

Essential Duties And Responsibilities
The Machinist III will be responsible for the following:

  • Machine parts to specifications using tools such as manual lathes and milling machines
  • Understand & Operate the wastewater recycle treatment system, according to Standard Operating Procedures
  • Perform and document various tests required to complete the wastewater treatment process daily
  • Have working knowledge of the operations, methods, and correct procedures of the wastewater treatment system
  • Responsible to ensure work area is clean, and remove all safety hazards-according to OSHA standards
  • Monitor meters & gauges daily, record findings on daily worksheets and record any required paperwork accurately according to federal state and local rules and regulations
  • Read blueprints, drawings, specifications or sample parts to determine dimensions and tolerances of finished work
  • Perform dimensional layout on all machined parts to confirm conformity to prints and other routing instructions. Ensure applicable documentation is complete ie sign off on job card, SIS (Source Inspections Sheets) etc, and computer entry
  • Load and touch off tooling applicable to program
  • Identify multiple surface finishes
  • Deburr and stamp parts to specifications
  • Align and secure holding fixtures, cutting tools, jaw attachments, accessories, and materials onto machines
  • Monitor the feed and speed of machines during the machining process. Watch gauges, dials, or other indicators to make sure a machine is working properly
  • Maintain a clean work area to include emptying waste container, used oil, sweeping chips, replace broken pallets
  • Read job card and determine product to be produced, instructions, specifications, actual machining time, quantities, etc.
  • Adjust machine offsets ie wear, geometry, cutter comp, workshift, etc.
  • Observe all PPE (Personal Protective Equipment) and all safety rules / requirements such as machining guards, lifting techniques, slips and falls prevention, etc.
  • Run multiple types of machines
  • Operate all manual machine tools as required
  • Use advanced trade mathematics together with the use of complicated drawings,
  • Specifications and all varieties of precision measuring instruments
  • Complete all other duties as assigned

Required Qualifications

  • High School Diploma / GED from an accredited school or institution
  • Minimum 0 – 2 years of experience in manual machining, lathe and mill experience in oil & gas, power, heavy equipment and hands-on experience with wastewater treatment
  • Understanding of wastewater regulation and environmental impact in oil and gas
  • Advanced knowledge of precision measuring tools such as dial and Vernier calipers, ID MICS, depth mics, ball mics, etc.
  • Must be able to lift at least 40 pounds physically able to perform labor, prolonged periods of standing, bending, or kneeling to meet the requirement of working in the parts warehouse to put items on the shelf for storage
  • Work in a constant pushing, pulling, lifting, stretching, bending and other physical activities
  • Adapt to constantly evolving work requirements in a team environment
  • Work overtime, weekends and holidays, as required
  • Certification to operate a forklift, pallet jack and crane
  • Vo Tech Certificate
  • Knowledge in the following areas: Oilfield assemblies and parts
  • Ability to read and understand instructions; quality control; and safety
  • Effective verbal, written communications skills
  • Basic math and computer skills
  • Ability to read, evaluate and respond to product specifications and drawings
  • Familiar and comfortable with various types of manual metal cutting machinery (mechanically inclined)

Competencies

  • Safety focused
  • Service-oriented
  • Business focused
  • A self-starter
  • Dependable
  • Strong teamwork skills
  • Results oriented
  • Sense of urgency

Cooper Machinery Services is an equal opportunity employer and gives all qualified applicants consideration of employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, any other characteristic protected by law.

Salary.com Estimation for Machinist III in Stockdale, TX
$41,297 to $53,118
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