CNC HBM Operator (3rd Shift) - Employee-Owned Growth

Evolving Solution Services; Saint Charles (MO); On-site; USD 72,495,000 - 77,366,000; Full time

Benefits offered by this job

Employee-Owned environment

Shift Premium Pay

Excellent benefits package

Modern Facility & Equipment

Career Growth Opportunities

Supportive team culture

Job summary

Trinity Products in Saint Charles, MO is seeking a CNC (HBM) Operator for the 3rd shift to safely set up, program, and operate the Horizontal Boring Mill and related CNC equipment.

The role requires at least 1 year in heavy steel fabrication with strong measurement skills (calipers, micrometers, tape measures), a detail-oriented mindset, and the ability to work in a fast-paced, employee-owned environment. Expect evening shifts Sunday–Thursday, 9:00pm–5:30am with training potential.

Qualifications

• High school diploma or equivalent.
• At least 1 year of prior experience in heavy steel manufacturing, steel fabrication, manufacturing or related industry with experience in CNC machining and operation.
• Ability to accurately perform measurements and inspect parts to determine if they meet specified tolerances using precision measuring tools such as calipers, micrometers and tape measures.
• Strong quality mindset, exceptional attention to detail, and excellent time management and prioritization skills
• Proficiency with hand tools, power tools, and material handling equipment such as grinders and hand drills.
• Commitment to workplace safety following OSHA standards & protocols and quality standards.
• Steel-toe boots, sleeved shirts are required
• We’ve got you covered with the rest: Trinity provides all essential PPE including a hard hat, safety glasses, ear protection, and protective gloves.
• Experience operating an overhead crane is a big plus—but if you don’t have it yet, we’ll help you get there.
• Comfortable working in varied ambient temperatures
• Able to stand, move, and stay active throughout your shift—this is a hands‑on, on‑your‑feet kind of role.
• We count on you —punctuality and dependability matter in a fast‑paced production environment.

Responsibilities

• HBM Setup & Operation: Safely set-up, adjust, and run Horizontal Boring Mill, including loading programs and entering machine codes.
• Tooling and Fixtures: Accurately select tooling, set fixtures, and perform efficient machine changeover to minimize downtime.
• Quality and Inspection: Maintain high-quality standards by understanding machining tolerances. Use precision tools like tape measures and calipers to verify all dimensions.
• Operate overhead cranes skillfully to load/unload heavy steel parts, tooling, and materials.
• Understand, demonstrate, and enforce proper safety practices, part orientation and hazard avoidance.
• Maximize process flow and efficiency while maintaining a clean, organized and efficient work area.
• Work collaboratively, supporting teammates to ensure a smooth production rhythm and positive shop culture.
• Maintain organized and safe work areas, ensuring compliance with company policies and OSHA standards.
• Identify opportunities for process improvement and assist in implementing solutions.

Skills

Attention to detail

Safety-minded

Time management

Mechanical aptitude

Punctuality

Quality mindset

Education

High school diploma or equivalent

Tools

Calipers

Micrometers

Tape measures

Hand tools

Power tools

Overhead crane operation

Job description

Trinity Products in Saint Charles, MO is seeking a CNC (HBM) Operator for the 3rd shift to safely set up, program, and operate the Horizontal Boring Mill and related CNC equipment.

The role requires at least 1 year in heavy steel fabrication with strong measurement skills (calipers, micrometers, tape measures), a detail-oriented mindset, and the ability to work in a fast-paced, employee-owned environment. Expect evening shifts Sunday–Thursday, 9:00pm–5:30am with training potential.