Maintenance Technician

Weir Minerals U.S., Inc.; St. Louis (MO); On-site; USD 52,000 - 66,000; Full time

Benefits offered by this job

Health / Dental / Vision options

5% 401(k) retirement match

15 days paid time off in first year

11 paid holidays per year

Schedule flexibility

Parental leave

Job summary

Weir Minerals U.S., Inc. seeks a Maintenance Technician in St. Louis, MO. This onsite role runs 7:00 AM–3:30 PM, Monday to Friday, with potential overtime. You will maintain and repair plant equipment, including CNC machines and building systems, while upholding safety and quality standards.

You will collaborate with a small maintenance team to drive continuous improvement and keep operations running smoothly in a sustainable mining technology environment.

Qualifications

• Mechanical aptitude with strong hands-on experience in industrial maintenance and repair.
• Minimum of 2 years’ experience working in an industrial maintenance or mechanic role within a plant setting.
• Proven experience performing maintenance on CNC machines.
• Ability to diagnose and repair mechanical and electrical issues, including familiarity with 480V electrical systems.

Responsibilities

• Maintenance & Repairs: Perform quality, major, and preventive maintenance on equipment and machinery inside the plant.
• Preventive Maintenance: Conduct morning PM routines on machines and building systems (50% PM, 50% repairs).
• Troubleshooting: Diagnose and repair mechanical breakdowns, hydraulic/electrical/pneumatic issues, HVAC, plumbing.

Skills

Mechanical aptitude

Industrial maintenance

CNC maintenance

Electrical troubleshooting

Tools

CNC machinery

Industrial electrical systems

Job description

Maintenance Technician

Location: St Louis, MO

Work Arrangement: Onsite, 7:00 AM – 3:30 PM, Monday to Friday, with chance for overtime

What we do at Weir

We are a global leader in mining technology for a sustainable future. We help our customers extract the resources the world needs more efficiently and more sustainably. Our planet’s future depends on the transition to renewable energy, and that transition can only happen with the metals and minerals our customers deliver. So, we work side by side with mines across the globe to move less rock, use less energy, use water wisely, and create less waste. Together, we drive the shift to smart, efficient, and more sustainable mining.

Make your impact

You’ll play a key role in solving real-world challenges. You’ll apply your skills to deliver results that matter whether that’s through engineering, planning or customer support. You’ll work with purpose, learn every day and help shape a more sustainable future.

What you’ll do

• Maintenance & Repairs: Perform quality, major, and preventive maintenance on equipment and machinery inside the plant. Provide mechanical support for CNC machines (mills, lathes, grinders, drill presses) and building equipment including air compressors, forklifts, pallet jacks, lighting, etc.. Daily tasks will range from general building maintenance to programming CNC machines.
• Preventive Maintenance: Conduct morning preventive maintenance (PM) routines on machines and building systems. Expect 50% of your time to be dedicated to prevenative maintenance and 50% to repairs.
• Troubleshooting: Diagnose and repair mechanical breakdowns, hydraulic issues, electrical circuits (including 480V 3-phase motors), pneumatic systems, HVAC, and plumbing problems.
• Team Collaboration: Work closely with a small maintenance team of three others, sharing knowledge and supporting continuous improvement of processes, productivity, and quality. Maintain clear communication with supervisors about issues requiring attention and demonstrate the ability to independently handle assigned problems with trust and professionalism.
• Safety First: Demonstrate 100% commitment to our zero harm behaviors in support of our drive towards developing a world-class safety culture.

What you’ll bring

Must-haves

• Mechanical aptitude with strong hands‑on experience in industrial maintenance and repair.
• Minimum of 2 years’ experience working in an industrial maintenance or mechanic role within a plant setting.
• Proven experience performing maintenance on CNC machines.
• Ability to diagnose and repair mechanical and electrical issues, including familiarity with 480V electrical systems.

Nice-to-haves

• Electrical skills with experience working on high voltage circuits (480V).
• Experience with pipe fitting and rigging related to equipment installation or movement.
• Familiarity with HVAC systems and pneumatic circuits.
• Prior experience working in a collaborative, small team environment.

Why join Weir?

We live our values we think safety first, do the right thing, respect each other, aim high, and delight our customers. We encourage our people to lead by example and celebrate our successes. We’re passionate about our purpose to help deliver the natural resources that are essential to create a better future for the world. We do this by combining our deep customer insights, world‑class engineering, materials science expertise, and intelligent automation to deliver innovative end‑to‑end solutions incorporating our signature technologies. We believe your voice matters and your ideas make a difference. We’re working hard to nurture a diverse culture where our people feel like they belong and can do the best work of their lives. You can help shape our unique culture through our inclusion networks and safety initiatives.

Benefits

• Competitive Compensation
• Excellent Health / Dental / Vision Options
• 5% 401(k) Retirement Match
• 15 days Paid Time Off in first year
• 11 Paid Holidays per year
• Flexibility in your schedule
• Parental leave

We are Weir. And the growing world depends on us. It depends on us constantly reinventing. Quickly adapting. Continually finding better, faster, more sustainable ways to access the resources it needs to thrive. And it depends on each and every one of us doing the best work of our lives. It’s a big challenge – but it’s exciting. And it’s one we can’t wait to be part of.

Thank you for your interest in joining us.