Find & Apply For Molding / Casting Worker Jobs in Saint Charles, Missouri

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 a Mill Operator on 2nd shift (Monday - Friday, 1:00pm - 9:30pm) you are at the heart of our steel mill, responsible for tasks related to the operation of our weld steel-pipe mill machine as well as various heavy equipment. If you're ready to roll up your sleeves AND you bring a mechanical mindset with an ambitious & positive attitude to learn-this job is for you!

What You'll Do:

Utilize various hand tools and equipment. Operate various hydraulic and electrical systems related to the mill machine. Utilize various computer applications and programs that control the mill machine. Perform various mathematical calculations. Utilize cutting torches, plasma cutters and welding equipment. Perform other various tasks within the manufacturing process of helical steel pipe. Operate an overhead crane and forklift (training provided).

Requirements:

High School diploma or GED equivalence. 1-2 years of experience in a warehouse, manufacturing, or industrial setting. Solid mechanical aptitude and comfort working with hand tools, machinery, and equipment. Steel toe boots and sleeved shirts are required and the employee's responsibility. Hard hat, safety glasses, ear plugs, & protective gloves provided by Trinity. Must be able to work in a fast-paced environment with accuracy top of mind. Must be able to work on your feet for extended periods of time. Must be able to read tape measure. Must be able to read and understand work orders. Must be able to work in changing ambient temperatures. Previous experience working with mechanical tools and environments. Must have the ability and willingness to train and learn new equipment such as an overhead crane and forklift. 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 including health, 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.