CNC Machinist Level II 2nd Shift

Seiler Instrument & Mfg. Co. Inc.; St. Louis (MO); On-site; USD 30,000 - 44,000; Full time

Benefits offered by this job

Medical, Vision, and Dental plans

Parental and bonding leave

PTO

401(k) Matching

Tuition Reimbursement

9 paid holidays annually

1-2 company events yearly

Employee Assistance Program (EAP)

Job summary

Seiler Instrument & Mfg. Co. Inc. is seeking a Machinist Level II to operate CNC mills and lathes, producing tight-tolerance parts exactly as drawn. You will read blueprints, verify with inspection tools, and ensure quality throughout runs on-site in St. Louis.

The ideal candidate has 2+ years CNC experience, can interpret prints, and maintains safety and precision on every part. A strong quality mindset and reliable attendance are essential for contributing to our precision manufacturing team.

Qualifications

• High school diploma or GED with 2+ years CNC machining experience.
• Technical degree may substitute for some experience.
• Ability to read and interpret prints and use inspection tools.
• Consistent safe machine operation and quality performance.

Responsibilities

• Operate CNC mills and/or lathes to produce parts to documented requirements.
• Read and interpret blueprints and job documentation to confirm features, dimensions, and tolerances.
• Perform in-process inspection using standard measuring instruments and document results.
• Monitor part quality during runs; communicate issues and elevate out-of-tolerance conditions promptly.
• Perform routine machine care per standard work and maintain a clean, safe work area.

Skills

CNC Machining

Blueprint reading

Inspection tools usage

Safety compliance

Education

High school diploma or GED

Technical degree substitute possible

Tools

CNC controls knowledge (Fanuc/Mitsubishi/Okuma)

Inspection tools (calipers, micrometers)

Job description

Expand your machining career in a Machinist Level II role where precision matters and every part counts. In this position, you’ll operate CNC equipment to produce high-quality, tight-tolerance components built exactly to specification. Designed for machinists with solid foundational CNC experience and strong quality habits, this role offers the opportunity to sharpen your skills, build confidence on the shop floor, and contribute to work that demands accuracy and consistency. If you’re detail-driven, dependable, and ready to grow in a performance-focused environment, this is where you start making an impact.

Seiler is offering a $5,000 sign on bonus for CNC Machinist hires!

Pay Range: $22.00 - $32.00

Location: St. Louis Missouri, On-site

Perks And Benefits

• Medical, Vision, and Dental health plans
• Parental and Bonding Leave
• PTO
• 401(k) Matching
• Tuition Reimbursement

Here At Seiler, We Are Committed To Not Only Manufacturing And Selling The Highest Quality Systems And Utilizing Modern Techniques, But We Are Also Committed To Our Employees’ Well-being And Happiness. In Addition To The Perks Above We Also Offer

• 9 annual paid holidays
• 1-2 free company events every summer
• Employee Assistance Program (EAP)
• Flexibility in start/stop time for most positions
• Profit-Based Bonus and More!

Responsibilities Include

• Operate CNC mills and/or lathes to produce parts to documented requirements.
• Read and interpret blueprints and job documentation to confirm features, dimensions, and tolerances.
• Perform in-process inspection using standard measuring instruments (e.g., calipers, micrometers, indicators) and document results.
• Monitor part quality during runs; communicate issues and elevate out-of-tolerance conditions promptly.
• Perform routine machine care per standard work (e.g., cleaning, chip management, basic checks).
• Maintain a clean, organized work area and comply with safety and quality requirements.

Requirements

• High school diploma or GED.2+ years CNC machining experience.
• Technical degree may be a substitute for some experience.
• Ability to read and interpret prints and use common inspection tools.
• Consistent track record of safe machine operation and quality performance.
• Ability to lift and carry up to 75 pounds (some positions).

Preferred Qualifications

• Experience producing precision parts in a controlled quality environment (inspection records, documentation).
• Familiarity with common CNC controls (e.g., Fanuc, Mitsubishi, Okuma).
• Exposure to close-tolerance work and consistent use of measurement tools.