Mill Fabrication Welder (St. Charles, 1st Shift)

ADP, Inc.; Saint Charles (MO); On-site; USD 31,000 - 32,000; Full time

Benefits offered by this job

Shift Premium Pay

Health, dental, vision, 401(k) with 4"

Paid time off

Modern Facility & Equipment

Career Growth Opportunities

Supportive Team Culture

Job summary

Trinity Products in Saint Charles, MO is seeking a skilled Mill Fabrication Welder for a 2nd shift role. You will fabricate, weld, and finish steel products, interpreting detailed drawings and ensuring quality workmanship.

A minimum of 1 year welding experience and successful completion of an internal weld test are required. We provide PPE and a safety‑driven environment, with overhead crane operation and opportunities for skill growth.

Qualifications

• Minimum of 1 year welding experience across various techniques.
• Successful completion of an internal weld test.
• Experience with D1.1 structural welding code and quality standards.
• Ability to identify defects affecting structural integrity.
• Must wear steel-toe boots, sleeved shirts, and a welding hood; PPE provided.
• Personal PPE including steel-toe boots, welding hood; PPE provided where needed.

Responsibilities

• Perform weld preparation, welding, and finishing tasks per specs, blueprints, and drawings.
• Interpret mechanical drawings, including weld requirement symbolism.
• Set up and fine-tune welding fixtures and parameters for optimal welds.
• Execute grinding, fitting, and finishing operations with hand and power tools.
• Use welding equipment safely and maintain a clean workspace.
• Use precision measuring instruments to inspect work.
• Follow safety protocols and operate overhead crane to move materials.
• Follow safety protocols and maintain clean work area.
• Move heavy steel materials using an overhead bridge crane.

Skills

Welding experience

Welding test

D1.1 welding code

Attention to detail

Safety awareness

Overhead crane

Time management

Tools

Overhead crane operation

Power tools

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.

Mill Fabrication Welder (St. Charles, 1st Shift)

Full Time Saint Charles, MO, US

6 days ago Requisition ID: 1097

Salary Range: $22.32 To $23.00 Hourly

At Trinity Products, we’re more than a steel fabrication company — we’re a 100% employee-owned team driven by pride, precision, and performance. Our people take ownership of their work, support one another, and take pride in producing high-quality steel products. As aMill Fabrication Welderon 2nd Shift (Monday - Thursday, 3:00pm – 1:30am), you’ll play a vital role in fabricating, preparing, welding and finishing steel products. Trinity Products are built with skill and built for what's next! Your expertise will help turn steel into solutions built for some of the most demanding projects. If you're a skilled welder who takes pride in quality workmanship, has an eye for detail, and is ready to contribute to a team that truly values your craftsmanship—this is the job for you!

What You'll Do:

• Perform weld preparation, welding, and finishing tasks in accordance with detailed specifications, blueprints, and drawings.
• Interpretation of mechanical drawings, including weld requirement symbolism.
• Set up and fine-tune welding fixtures and parameters, including amps, volts, and positioning for optimal welds.
• Execute grinding, fitting, and finishing operations using manual and power tools for a clean, polished result.
• Use of power tools to properly prep joints for welding.
• Operate and maintain welding equipment to ensure safe and effective performance.
• Use precision measuring instruments such as calipers and micrometers to inspect and verify work.
• Follow all safety protocols and maintain a clean, organized work environment.
• Use of an overhead bridge crane to safely move heavy, large steel materials.

Requirements:

• A minimum of 1 year of welding experience across various techniques is preferred—bring your hands-on know-how to the table.
• Prove your skills – Successful completion of aninternal weld test is required to join our elite team of welders.
• Experience with D1.1 structural welding code, application, and quality standards.
• Must be able to identify small defects in materials and joints that could affect structural integrity
• Understanding three-dimensional space is essential for positioning materials and effective solutions.
• Steel-toe boots, sleeved shirts, and a welding hood 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 anoverhead 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—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 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.