Top 12 Mastercam Jobs in Fenton, Mo

CNC Programmer
Patterson Mold and Tool, LLC —Saint Charles, MO
- $30 - $35 an hour
- Full-time
- 5 years
- Continuous improvement
- In-person
- Health savings account
- Health insurance
Quick Apply
CNC Machinist
Kaskaskia Tool & Machine —Belleville, IL
- $25 - $35 an hour
- 8 hour shift
- Software troubleshooting
- 5 years
- No high school diploma
- Relocation assistance
- Health insurance
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CNC Programmer
Icon Design LLC —Hazelwood, MO
- $30 - $35 an hour
- Full-time
- Inventory management
- 5 years
- Mid-level
- Health insurance
- Dental insurance
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Manufacturing Engineer/CNC Programmer
Seiler Instrument & MFG Co Inc —Kirkwood, MO
- Full-time
- Mid-level
- High school diploma or GED
- Communication skills
- Profit sharing
- Paid holidays
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12d
Custom Machinist
Laciny Bros. —St. Louis, MO
- $32 - $40 an hour
- Full-time
- Mid-level
- 3 years
- In-person
- Health insurance
- Dental insurance
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13d
CNC 2nd Shift Machine Shop Lead
Mechanical Dynamics & Analysis LLC —St. Louis, MO
- Urgently hiring
- Mid-level
- Leadership
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4d
CNC Applications Engineer
Morris Midwest —Saint Charles, MO
- Writing skills
- Mid-level
- 3 years
- Paid holidays
- Health insurance
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Machinist II
Leonardo DRS —Bridgeton, MO
- $45,112 - $58,646 a year
- Full-time
- Mid-level
- High school diploma or GED
- Continuous improvement
- Paid parental leave
- Health savings account
11d
CNC Programmer - Aerospace Manufacturing
Seyer Industries Inc. —Saint Peters, MO
- Full-time
- Background check
- Microsoft Outlook
- Writing skills
- AD&D insurance
- Paid holidays
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CNC 2nd Shift Machine Shop Lead
MD&A —St. Louis, MO
- Urgently hiring
- Mid-level
- In-person
- Leadership
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3d
CNC Machinist Operator/Programmer Graphite Machining
Patterson Mold and Tool, LLC —Saint Charles, MO
- $30 - $35 an hour
- Full-time
- Mid-level
- In-person
- 2 years
- Health savings account
- Health insurance
Quick Apply

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CNC Setup Operator - Weekend 1st Shift
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Interpret technical drawings and effectively troubleshoot machining issues. Post high-school education, trade school, or technical training a plus.
CNC Setup Operator - 3rd Shift
The H-J Family of Companies —High Ridge, MO
Interpret technical drawings and effectively troubleshoot machining issues. Post high-school education, trade school, or technical training a plus.

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Machinist / CNC Operator
Wolf Composite Solutions —Columbus, OH
Contribute to manufacturing standards and support design repeatability. Interact with designers and manufacturing engineers. CNC upkeep and tooling maintenance.
CNC Programmer - Aerospace and Defense
Advance CNC —Grove City, OH
Fixture design, tool selection, and setup sheets. We’re looking for a CNC Programmer with the aptitude, willingness, and proactivity to excel in a fast-paced…
Up to $120,000 a year
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CNC Programmer

Patterson Mold and Tool, LLC -
Saint Charles, MO

Quick Apply

Job Details

Full-time
$30 - $35 an hour

Benefits

Health savings account
Health insurance
Dental insurance
401(k)
Flexible spending account
Tuition reimbursement
Paid time off
Employee assistance program
Vision insurance
401(k) matching
Life insurance
Referral program

Qualifications

GD&T
CAM software
CNC quality inspection
Quality inspection
CNC G-code Programming
Quality standards in production
Manufacturing
Coordinate measuring machine

Full Job Description

Position Summary:

Patterson Mold and Tool, LLC, an AS9100:2016 and ISO 9001:2015 certified, ITAR-registered leader in precision tooling and machining since 1978, is seeking an experienced CNC Programmer to join our team in St. Charles, MO.

In this role, you will create and optimize CNC programs for our advanced machining centers, including multi-axis milling (up to 5-axis), turning, wire EDM, and related processes. You will support production of complex die cast tooling, trim dies, fixtures, aerospace/defense components, and precision machined parts for industries such as aerospace, medical, automotive, and telecommunications.

Working from engineering drawings, 3D models (primarily in Siemens NX and SolidWorks), and customer specifications, you will develop efficient machining strategies, select appropriate tooling and fixtures, perform setups as needed, prove out programs, and troubleshoot production issues to ensure parts meet tight tolerances and superior surface finishes.

Key Responsibilities:

Develop CNC programs for 3- to 5-axis mills, CNC lathes, wire EDM, and other equipment.
Interpret complex blueprints, CAD models, and GD&T requirements.
Optimize programs for cycle time reduction, tool life, and process reliability.
Collaborate with engineering, machining, and quality teams on new product introduction, prototyping, and process improvements.
Support tool design, repair/refurbishment, and reverse engineering projects using 3D scanning when required.
Maintain program documentation, setup sheets, and tooling lists in compliance with AS9100 and ITAR standards.
Assist in training machinists and operators on new programs and best practices.

Requirements:

5+ years of CNC programming experience in a precision/job shop environment (aerospace, tool & die, or die cast tooling strongly preferred).
Proficiency in WorkNC ,MasterCam, or similar high-end CAM software (PowerMill, ESPRIT, Siemens NX or equivalent also valued).
Strong knowledge of G-code, macro programming, and post-processor customization.
Experience with hard metals including tool steels (H13, S7), stainless (17-4PH, 15-5PH), titanium, and Inconel is a plus
Ability to work in a fast-paced, high-mix/low-to-medium volume production environment.
Excellent problem-solving skills and attention to detail.
Familiarity with GD&T, CMM inspection, and quality systems (AS9100/ISO preferred).

We offer competitive compensation, comprehensive benefits, opportunities for overtime, and a modern, climate-controlled facility with state-of-the-art equipment operating across multiple shifts.

If you thrive on challenging, high-precision work and want to contribute to a growing, employee-focused company with a 45+ year legacy of excellence, apply today.

Pay: $30.00 - $35.00 per hour

Benefits:

401(k)
401(k) matching
Dental insurance
Employee assistance program
Flexible spending account
Health insurance
Health savings account
Life insurance
Paid time off
Referral program
Tuition reimbursement
Vision insurance

Work Location: In person

Quick Apply

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