CNC Machinist III

Ducommun, Inc.; Town of St. Croix Falls (WI); On-site; USD 34,000 - 48,000; Full time

Benefits offered by this job

Paid vacation and sick time

401K match

Employee Stock Purchase Program

Annual bonus plan

Tuition reimbursement

Job summary

Ducommun, Inc. in Wisconsin is seeking a CNC Machinist III to independently set up, operate, and troubleshoot complex machining processes.

The role demands advanced technical expertise, precision measurement, and strong problem-solving to consistently produce high-quality parts meeting specifications. Join a legacy manufacturer with a climate-controlled shop, competitive benefits including paid vacation and sick time, 401K match, stock purchase program, annual bonus, and tuition reimbursement.

Qualifications

• High school diploma or equivalent required.
• 5+ years of CNC machining experience or equivalent training.
• Experience with CNC milling or turning and complex tool setups.

Responsibilities

• Set up, operate, and troubleshoot complex machining processes with minimal supervision.
• Select cutting tools, load materials, and adjust speeds/feeds for quality parts.
• Read 2D/3D drawings and verify tolerances with inspection tools.
• Review toolpaths in CAD/CAM software and simulate operations for optimization.
• Maintain safety and quality standards in a manufacturing shop.

Skills

CNC machining expertise

Complex problem solving

Communication with supervisors

Data interpretation

Team collaboration

Workflow planning

CAD/CAM knowledge

Attention to detail

English literacy

Time management

Education

High school diploma

Machining certification preferred

Tools

CAD/CAM software

Inspection tools (micrometers, calipers)

Job description

CNC Machinist III

The CNC Machinist III is responsible
for independently setting up, operating, and troubleshooting complex machining
processes. This role requires advanced technical expertise, precision
measurement skills, and strong problem-solving abilities to consistently
produce high-quality parts that meet specifications.

Who are we?

Founded in 1849, Ducommun is the oldest company in California. Starting as a hardware supply store during the California Gold Rush and eventually assisted in the birth of the aerospace industry in Southern California by providing aircraft aluminum to early aerospace pioneers like Lindbergh, Douglas and Lockheed.

Today Ducommun is a global provider of innovative manufacturing solutions for customers in the aerospace, defense and industrial markets. We specialize in electronic and structural systems, producing complex products and components for commercial aircraft platforms, mission‑critical military and space programs, and sophisticated industrial applications.

Our facility in St. Croix Falls, WI offers a range of ammunition handling & delivery systems supporting the full spectrum of small and medium caliber weapons.

Why Ducommun?

• Excellent company culture - as recognized by Newsweek's Top 100 Most Loved Workplaces
• Clean and climate controlled working environment
• Opportunity for career growth
• Great benefits including paid vacation and sick time, 401K match, Employee Stock Purchase Program, annual bonus plan, and tuition reimbursement

Essential Functions:

• Standard knowledge of G-codes, write or edit G-code, program adjustments, set up complex tooling, align fixtures, and set precise work offsets with little to no supervision.
• Perform independent tool changes, selecting proper cutting tools, loading raw materials in CNC mills and/or lathes.
• Deep understanding of speeds, feeds, and metal properties.
• Identify surface finish issues, tool wear, or dimensional drift and adjust speeds and feeds. to fix them. Finding the root cause of a tough issue and figuring out a smart way to fix it.
• Read and interpret complex 2D and 3D technical drawings, geometric dimensioning, and tolerancing.
• Adjust quickly to new tools, changing environments, and emerging trends.
• Diagnose sudden mechanical or programming errors quickly to reduce machine downtime.
• Working knowledge of CAD/CAM software to review and verify toolpaths and simulate operations for process optimization.
• Use precise inspection tools like micrometers, calipers, depth gauges, and optical comparators to verify that parts meet exact tolerances.
• Perform in-process inspections to ensure parts stay within tight production tolerances.
• Maintain strict safety and quality standards to avoid costly scrap and errors.
• Responsible for protecting and maintaining all Controlled Unclassified Information (CUI) appropriately to prevent unauthorized access, dissemination, or use of this information, documentation, or products; including authorized and proper use of such information in regard to marking, storing, transmitting, and destruction of data.
• Support all visitors and security policies to protect ITAR/EAR/CMMC/CUI information, documents, products, etc. from unauthorized access by informing management immediately of any concerns.
• Responsible for the proper handling and management of hazardous waste generated in employee's work area.
• Performs other duties as assigned.
• Regular and acceptable attendance is an essential function of this job.

Required Skills and Qualifications:

• Serves as a technical resource for CNC machining, providing guidance and mentorship to fellow machinists and machine operators and supporting the resolution of complex machining and production issues.
• Communicate and collaborate effectively with shift supervisors and diverse groups to reach shared goals through innovative ideas and approaches.
• Ability to independently diagnose complex machining problems with advanced mechanical reasoning and troubleshooting
• Ability to interpret technical data and make sound decisions
• Ability to act on constructive feedback and communicate technical issues and recommended solutions to different audiences such as supervisors, engineers, and machinists
• Able to analyze data, solve complex problems, and make logical decisions, share ideas clearly through speaking and writing, while actively listening to others.
• Organize workflow efficiently to meet strict production deadlines.
• Plan schedule in advance so tasks are completed timely.
• CAD/CAM software knowledge to verify toolpaths and simulate operations is a plus.
• Local to the St. Croix Falls, WI facility.

Required Experience and Education:

• High school diploma or equivalent experience required.
• 5+ years of relevant CNC machining experience, or an equivalent combination of formal machining education, certification, and demonstrated advanced technical proficiency.

Licenses, Certifications, etc.

Related certifications preferred

Physical Requirements:

• Able to stand and walk frequently.
• Able to sit occasionally.
• Able to bend, squat and kneel occasionally.
• Able to use fine manipulation continuously.
• Able to reach outward occasionally and reach above shoulder occasionally.
• Able to drive occasionally.
• Able to read and write in English.
• Able to push/pull and lift/carry up to 50 lbs. occasionally.

Work Environment and Safety Equipment Required:

• Manufacturing Shop environment with open floor space, can be noisy at times.
• Able to work onsite per business needs and per employee's standard hours.
• Able to wear required Personal Protective Equipment constantly.
• Ability to travel occasionally.

ITAR/EAR Compliance:

This position requires access to export-controlled information and/or hardware, and candidates must be U.S. Persons that comply with all U.S. Export control laws and regulation. As such, U.S. citizenship, U.S. lawful permanent resident status, protected person status under 8 U.S.C. 1324b(a)(3), or the ability to meet ITAR and EAR requirements is required.

Equal Opportunity Employer
Veterans/Disabled

1105 E Pine St
St Croix Falls, Wisconsin, 54024
United States