CNC Machinist II 2nd Shift

Seiler Instrument & Mfg. Co. Inc.; Kirkwood (MO); On-site; USD 40,000 - 60,000; Full time

Benefits offered by this job

Medical, Vision, and Dental health plans

Parental and Bonding Leave

PTO

401(k) Matching

Tuition Reimbursement

9 annual paid holidays

Company events

Employee Assistance Program (EAP)

Flexibility in start/stop time

Profit-Based Bonus

Job summary

Seiler Instrument & Mfg. Co. Inc. is seeking a Machinist Level II to operate CNC equipment to produce high-quality components in Kirkwood, Missouri. Candidates should have at least 2 years of CNC machining experience, the ability to read blueprints, and a consistent track record of safe operations. The position offers a $5,000 sign-on bonus, benefits like medical plans and PTO, and a 10% premium for 2nd shift. Join a performance-focused environment that emphasizes accuracy and quality.

Qualifications

• 2+ years of CNC machining experience.
• Ability to lift and carry up to 75 pounds.
• Consistent track record of quality performance.

Responsibilities

• Operate CNC mills and/or lathes to produce parts.
• Read and interpret blueprints and job documentation.
• Perform in-process inspection using standard measuring instruments.
• Monitor part quality during runs and communicate issues.
• Maintain a clean and organized work area.

Skills

CNC machining experience

Ability to read blueprints

Use of inspection tools

Safe machine operation

Education

High school diploma or GED

Technical degree

Tools

CNC mills

CNC lathes

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.

10% Premium for joining our 2nd Shift team.

Shift Time: 3:20 PM - 1:50 AM

Work Days: Monday-Thursday (Friday, Saturday, and Sunday OFF!)

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
• 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.