CNC Machinist (Machinist II) – CNC Mills, Lathes & Waterjet

Updated November 10, 2026

🔍 At a glance

Company: General Plastics & Composites, LP
Location: Houston, TX 77075
Pay: Competitive, based on experience
Job Type: Full-time
Shift: 6:00 AM–6:00 PM (day shift)
Experience: Mid-level, 5+ years hands-on in CNC machining environments
Department: Flex Machining
Machines: Manual lathes, CNC lathes, CNC mills, Waterjet
Controls: CNC program creation and editing; GD&T (familiarity)

Why this job is worth considering

General Plastics & Composites is hiring a Machinist II for its Flex Machining department in Houston, Texas. This is a mid-level machinist role: you work with minimal supervision, handle complex setups and make sure parts meet exact specifications. You also help bring along new Operators and Set Up Technicians.

It fits a machinist with five or more years in CNC machining environments and solid mechanical aptitude.

What you'll be doing

• Set up and run manual lathes, CNC lathes, CNC mills and Waterjet machines for production and engineering parts, with light assistance
• Perform complex setups with minimal supervision
• Train incoming Operators and Set Up Technicians
• Perform typical machine shop operations to support the assembly floor
• Read and interpret blueprints and drawings
• Verify gage calibration and set up machine fixturing for all setups
• Create and edit CNC programs
• Visually inspect machines for damage or wear, perform preventative maintenance per the PM charts and follow lubrication specifications in the operation manual
• Follow all engineering instructions, standard operating procedures and departmental procedures
• Keep the work area and equipment clean and orderly and follow all prescribed safety regulations
• Assist other departments as needed with management approval
• Other duties as assigned

Machines, controls and software

• Machines: manual lathes, CNC lathes, CNC mills, Waterjet
• Controls and programming: familiarity with CNC programming languages and how to create and edit programs
• Quality: familiarity with Geometric Dimensioning and Tolerancing (GD&T)
• Measuring tools: micrometers (OD and ID), calipers, bore gages, protractors, height gages, micro-height gages, molds, optical comparator, depth gages
• Working knowledge of job orders, tooling names and functions, and machine safety

What we're looking for

Required

• 5+ years of hands-on experience in CNC machining environments
• High school diploma or GED
• Able to read and interpret blueprints and drawings
• Strong mathematical aptitude and proficiency with handheld measuring tools
• Able to follow written and verbal instructions in English
• Reliable attendance and punctuality, and a team-first attitude

Physical requirements and shop environment

• Stand for extended periods, walk, use your hands to handle or feel, and reach with hands and arms
• Frequently lift or move up to 50 pounds, and occasionally up to 100 pounds with assistance
• Work in a shop environment that can include hot or cold temperatures, humidity, high noise levels and hazardous fluids such as coolants and lubricants
• Machine and handle a wide variety of materials, including fiberglass composites, plastics, metals and other alloys

Pay, benefits and schedule

• Full-time, Monday through Friday
• Shift: 6:00 AM–6:00 PM (day shift)
• Pay: competitive, based on experience
• Benefits: medical, dental and vision, 401(k), and paid time off and holidays

About General Plastics & Composites and apply

General Plastics & Composites, LP (GP&C) is a Houston manufacturer with a quality system certified by DNV to AS9100 and ISO 9001:2015. Every employee is expected to follow its Quality, Health, Safety and Environmental (QHSE) protocols, take part in its QHSE culture, take pride in their work and look for ways to improve processes.

Apply directly through hireCNC. Your application goes to the GP&C HR team.

GP&C is an Equal Opportunity Employer. We are committed to providing equal employment opportunities in all employment practices, without regard to race, color, religion, gender, national origin, marital status, age, veteran's status, disability, sexual orientation, or any other characteristic protected by law.