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CNC Machinist - 3rd Shift

Weir Group
Saint Louis, MO Full Time
POSTED ON 6/28/2026
AVAILABLE BEFORE 10/24/2026

CNC Machinist
Weir Minerals
St. Louis, MO

3rd Shift: 10:00pm – 6:30am

Pay: $27- $36/hour

($2.50 shift premium)

$1000 - Hiring Bonus!!

Purpose of Role: Machinists are required to set up and adjust a variety of machines such as drill press, engine lathe, turret lathe, and machining center to produce parts such as volutes, butterfly valve bodies and disks, impellers, etc. Additionally, will be responsible for deburring parts.

Why choose Weir:
Be part of a global organization dedicated to building a better future: At Weir, the growing world depends on us. It depends on us constantly reinventing, quickly adapting and continually finding better, faster, more sustainable ways to access the resources it needs to thrive. And it depends on each of us doing the best work of our lives. It’s a big challenge – but it is exciting.

An opportunity to grow your own way: Everything moves fast in the dynamic world of Weir. This creates opportunities for us to take on new challenges, explore new areas, learn, progress and excel. Best of all, there is no set path that our people must take. Instead, everyone is given the support and freedom to tailor-make their own career and do the best work of their lives.

Feel empowered to be yourself and belong: Weir is a welcoming, inclusive place, where each individual’s contribution is recognized and all employees are encouraged to innovate, collaborate and be themselves. We continually focus on people and their wellbeing. We believe in fairness and choose to be honest, transparent and authentic in everything we do.

Key Responsibilities:

Machine Operations:

  • Operate machine to prove-out setup and produce pilot work piece for inspection. Diagnose machine or tooling malfunction and make the proper and corrective adjustments.
  • Setups involve the changing of the machine chucks, collets, face plates, tool feed rates, grind, shear, etc.
  • Custom engineered parts fabrication for mining equipment.

Technical Understanding:

  • Work from complex blueprints, part drawings, specifications, setup instructions etc.
  • Perform troubleshooting or minor program edits, efficiency improvements etc.
  • 30% Mill- 70 % Lathe machining

Precision Handling:

  • Work on multi-tooled arrangements that have several operations with tight tolerances and important dimensional relations.
  • Assembly or casting experience an asset
  • Demonstrate 100% commitment to our zero harm behaviors in support of our drive towards developing a world class safety culture.

Job Knowledge/Education and Qualifications:

  • GED or High School Diploma required
  • 3 years of experience as a CNC Machinist preferred (set up/operator)
  • Experience working with Fanuc controls is a plus, but not required.

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


Founded in 1871, Weir is a world leading engineering business with a purpose to make mining operations smarter, more efficient and sustainable. Thanks to Weir’s technology, our customers can produce essential metals and minerals using less energy, water and waste at lower cost. With the increasing need for metals and minerals for climate change solutions, Weir colleagues are playing their part in powering a low carbon future. We are a global family of 11,000 uniquely talented people in over 60 counties, inspiring each other to do the best work of our lives.

Weir is committed to an inclusive and diverse workplace. We are an equal opportunity employer and do not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, veteran status, disability, age, or any other legally protected status.

#minerals
#LI-KH1

Benefits:

Health Insurance, 401K Plan, Vacation & Paid Time Off

Salary : $27 - $36

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