CNC (HBM) Operator (St. Charles, 3rd Shift)

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

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

CNC (HBM) Operator (St. Charles, 3rd Shift)

Full Time Technical Saint Charles, MO, US

Salary Range: $25.30 To $27.00 Hourly

At Trinity Products , we’re more than just a steel fabrication company—we’re a 100% employee-owned team driven by pride, precision, and performance. As our Horizonal Boring Mill (HBM) Operator, you'll safely set-up, adjust, and operate CNC machinery for precision cutting and shaping steel pipes. This role requires a detail-oriented individual with experience in CNC operations, a strong mechanical aptitude, and the ability to work in a fast-paced manufacturing environment. The ideal candidate will ensure that all products meet quality standards while maintaining efficiency and safety. This is a3rd shift position with a work schedule of Sunday - Thursday, 9:00pm - 5:30am with potential to train on 1st shift, Monday - Friday, 5:00am - 1:30pm.

• 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.

Requirements:

• 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—your personal gear shows you're ready to get the job done right!
• 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 overheadcrane is a big plus—but if you don’t have it yet, we’ll help you get there.
• Comfortable working in varied ambient temperatures—you’re not afraid to tackle real-world conditions.
• 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.

Founded in January 1979 by Robert Griggs and a team of visionary partners, Trinity Products began as a bold dream fueled by hard work, innovation, and an unwavering entrepreneurial spirit. From those humble beginnings, we’ve grown into a national leader in steel and steel fabrication—thanks to our commitment to continuous improvement and delivering exceptional value to our customers.

Today, Trinity is proud to be a 100% Employee-Owned Company, with nearly 280 employee-owners who are directly invested in our success. With six strategic locations across the country and a broad, flexible product line, we proudly serve a wide range of industries and markets nationwide.

At Trinity, we believe our strength lies in our people. Our employee‑owners are not just workers—they’re stakeholders, innovators, and the driving force behind our continued growth. If you’re looking to join a company where your contributions truly matter and your voice can shape the future, Trinity Products is the place for you.

Why You'll Love Working Here:

• Employee-Owned – Your hard work builds your future. As an employee‑owner, you're not just part of the team—you have a stake in the company's success.
• Shift Premium Pay – Get rewarded for working with competitive shift differentials.
• Outstanding Benefits Package – Enjoy comprehensive benefits includinghealth, dental, vision, 401(k) with match, paid time off, and more—we invest in your well‑being on and off the job.
• Modern Facility & Equipment – Work in a well‑maintained environment with top‑tier tools and machines.
• Career Growth Opportunities – We promote from within and offer continuous learning and development.
• Supportive Team Culture – You’re not just a number here—you're part of a tight‑knit crew that values teamwork, safety, and craftsmanship.