Senior CNC Machinist; Machinist III
Listed on 2026-01-11
-
Manufacturing / Production
CNC Machinist, Machine Operator, Manufacturing Engineer, Manufacturing Production
Senior CNC Machinist (Machinist III)
đź“Ť Houston, TX | Full-Time | Day or Night Shift
General Plastics & Composites, LP is hiring a Senior CNC Machinist (Machinist III) to join our Flex Machining team in Orem, Utah
. This is a high-skill, senior-level machining role for an experienced machinist who can handle complex setups, CNC programming, troubleshooting, and precision work with minimal supervision.
This position is ideal for a machinist who enjoys challenging work, mentoring others, and working closely with engineering and quality teams to solve technical problems.
What You’ll DoAs a Machinist III
, you will be responsible for advanced machining operations including:
- Set up, operate, and troubleshoot CNC mills, CNC lathes, manual mills, manual lathes, and waterjet machines
- Perform complex machining for production and engineering / prototype parts
- Read and interpret advanced blueprints, engineering drawings, and technical specifications
- Create, edit, and optimize CNC programs using G-code and Mazatrol
- Hold tight tolerances and ensure high-quality parts meet all specifications
- Perform preventative maintenance per company PM programs
- Maintain a clean, organized, and safe work environment
- Assist in training and mentoring junior machinists and operators
- Collaborate with engineering and quality teams to resolve machining and process issues
- Follow all engineering instructions, SOPs, and safety procedures
You should have strong working knowledge of:
CNC Machining & Programming- CNC mill and CNC lathe setup and operation
- CNC programming using G/M codes and Mazatrol
- Program creation, editing, and troubleshooting
- Machine fixturing and tooling selection
- Machine safety and lubrication practices
- Micrometers (OD & )
- Calipers
- Bore gauges
- Height gauges & micro-height gauges
- Optical comparator
- Depth gauges
- Protractors
- Mold inspection tools
- Gauge calibration verification
- GD&T (Geometric Dimensioning & Tolerancing)
- 7+ years of experience working with CNC and/or manual machines
- Proven experience with complex setups and programming
- Ability to follow written and verbal instructions in English
- Strong math skills and precision measurement ability
- High school diploma or GED required
- Ability to work independently with minimal supervision
- Strong teamwork, reliability, and professionalism
- Ability to stand for extended periods
- Frequent lifting up to 50 lbs
, occasional lifting up to 100 lbs with assistance - Work in a shop environment with varying temperatures, noise, and machining fluids
- Comfortable machining a wide range of materials, including:
- Plastics
- Fiberglass composites
- Metals and alloys
- Shift Options:
- Day Shift: 6:00 AM – 6:00 PM
- Night Shift: 6:00 PM – 6:00 AM
- Schedule: Monday – Friday
- Employment Type: Full-Time
- FLSA Status: Non-Exempt
- Department: Flex Machining
- Reports To: Supervisor
General Plastics & Composites is committed to quality, safety, and continuous improvement
. We expect all team members to actively support our QHSE culture
, take pride in their craftsmanship, and contribute to ongoing process improvements.
Equal Opportunity Employer
GP&C provides equal employment opportunities to all applicants and employees.
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