Machine Operator

Position Title: Machine Operator

Department: Machine Shop

Location: Fenton, MO

Reports To: Production Supervisor
- Machine Shop

Classification: Hourly
- Non-Exempt

Shift Options: Weekend Shift: 5:00 AM-5:00 PM Friday-Sunday | 2nd Shift: 3:15 PM-1:15 AM Monday-Thursday

We're looking for an
Machine Operator with hands-on Hydromat experience to join our Machine Shop. This role is focused on operating Hydromat rotary transfer machines, monitoring production, making routine adjustments, checking part quality, and identifying machining or tooling issues.

If you have experience running Hydromat equipment, understand precision machining, and take pride in producing consistent, high-quality parts, we'd love to meet you.

• Climate-controlled, air-conditioned manufacturing facility
• Weekend option: work only 3 days per week (Friday-Sunday) while enjoying 4 days off
• 2nd shift option: Monday-Thursday, 3:15 PM-1:15 AM
• Competitive pay based on experience
• Modern machining equipment and precision manufacturing work
• Collaborative team environment where quality and craftsmanship are valued
• Comprehensive benefits including Medical, Dental, Vision, 401(k), Paid Time Off, company-paid Life Insurance, Short & Long-Term Disability, and more
• Safety shoe and prescription safety glasses reimbursement

We're looking for a dependable machine operator who can bring hands-on Hydromat experience, strong attention to detail, and a commitment to safety and quality.

• Previous hands-on experience operating Hydromat rotary transfer machines
• Experience operating machining or CNC production equipment in a manufacturing environment
• Ability to monitor machine operation and make routine adjustments to maintain production and part quality
• Ability to read basic blueprints, work instructions, and part specifications
• Experience using precision measuring instruments such as calipers, micrometers, and gauges
• Ability to perform in-process inspections and recognize out-of-spec parts
• Ability to identify and communicate tooling, machining, or quality issues
• Strong mechanical aptitude and attention to detail
• Ability to work independently while following established safety, quality, and production standards

• Experience making Hydromat tooling or station adjustments during production
• Experience troubleshooting common Hydromat production or quality issues
• Experience with high-volume precision machining
• Experience with additional CNC equipment such as Haas, Ganesh, Index, Okuma, or Citizen
• Experience in a manufacturing environment with strong safety and quality standards
• Continuous improvement mindset and willingness to support team production goals

Control Devices (CDI), an HBM Holdings company headquartered in Greater St. Louis, is a leading designer and manufacturer of engineered flow control solutions in the compressed gas, compressed air, oil & gas, and liquid controls markets. The company offers custom valves and flow control solutions for customers who place a premium on quality. Control Devices leverages operational excellence and flow control expertise to deliver trustworthy products and innovative solutions that protect life and our planet.

CDI offers competitive compensation, comprehensive benefits, paid time off, safety shoe and prescription safety glasses reimbursement, a casual work environment, and a strong 401(k) retirement plan.

Control Devices, LLC is an Equal Opportunity Employer. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, sex, age, national origin, disability, protected veteran status, sexual orientation, gender identity or expression, or any other protected characteristic under applicable federal, state, or local laws.