Mastercam Programmer - Entry-Level

Rohrer Corporation•Bensenville, IL

1d•Onsite

About The Position

Rohrer Corporation is a leading provider of innovative retail packaging solutions. We are committed to delivering high-quality products through continuous improvement, advanced manufacturing technology, and a strong focus on teamwork and operational excellence. We are seeking a motivated and detail-oriented Entry-Level Mastercam Programmer to support our Tooling/Die Shop operations. This is an excellent opportunity to develop CNC programming skills while working alongside experienced toolmakers, machinists, and manufacturing professionals. The Entry-Level Mastercam Programmer assists with developing, modifying, and verifying CNC programs using Mastercam to manufacture tooling, die components, and related precision parts. Working closely with toolmakers and machinists, this position helps translate engineering drawings into efficient machining operations while supporting dimensional accuracy, quality, and on-time delivery. The ideal candidate brings basic CNC machining knowledge, mechanical aptitude, attention to detail, and a strong willingness to learn tool and die manufacturing processes.

Requirements

High school diploma or GED required.
Basic knowledge of CNC milling, machining operations, and shop safety practices.
Ability to interpret basic tooling drawings, CAD models, and blueprints.
Awareness of machining tools, measuring instruments, dimensional tolerances, and precision manufacturing principles.
Strong mechanical aptitude and problem-solving skills.
Good computer skills and willingness to learn new software and technology.
Strong attention to detail and organizational skills.
Ability to communicate effectively and work collaboratively with team members.
Eagerness to learn, accept feedback, and develop technical skills.

Nice To Haves

Technical certificate, apprenticeship coursework, or associate degree in CNC Programming, Tool and Die, Machining, Manufacturing Technology, or a related field preferred.
0–2 years of CNC machining, CAD/CAM programming, or tool and die shop experience preferred; relevant classroom or internship experience is welcome.
Exposure to Mastercam or comparable CAD/CAM software through coursework, internships, or hands-on training preferred.
Recent graduates and candidates beginning careers in CNC programming or tool and die manufacturing are encouraged to apply.
Familiarity with Mastercam or similar CAD/CAM software preferred; willingness to learn required.

Responsibilities

Assist with creating and modifying Mastercam CNC programs for tooling, dies, fixtures, and related components.
Develop and adjust CNC milling toolpaths, setups, and machining sequences under guidance from experienced team members.
Read and interpret tooling drawings, CAD models, blueprints, dimensions, and tolerances.
Collaborate with toolmakers, die shop personnel, and CNC machinists to ensure programs meet tooling requirements.
Assist in selecting cutting tools, feeds and speeds, workholding methods, and machining strategies.
Use Mastercam simulation and program verification tools to identify potential machining issues before production.
Support troubleshooting of CNC programs, toolpaths, machining setups, and dimensional issues.
Revise programs based on shop-floor feedback, inspection results, and tooling changes.
Maintain accurate CNC program files, setup documentation, and revision records.
Follow established quality standards and safety procedures.
Support continuous improvement efforts related to tooling quality, machining efficiency, and shop productivity.
Perform other duties as assigned.