CNC Programmer - Mill

Masterbilt, Inc.; South Bend (IN); On-site; USD 70,000 - 95,000; Full time

Job summary

Masterbilt Incorporated in the United States specializes in precision aerospace components. The CNC Programmer – Mill will develop, optimize, and support CNC programs for 3-, 4-, and 5-axis milling, collaborating with Engineering, Quality, and Manufacturing to ensure safe, efficient production that meets AS9100 and customer requirements.

The ideal candidate has advanced Mastercam skills, strong GD&T knowledge, and the ability to interpret complex drawings while driving improvements in cycle time

Qualifications

• Minimum 5 years of CNC milling and programming experience.
• Aerospace manufacturing experience strongly preferred.
• Advanced proficiency with Mastercam or comparable CAM software.
• Strong GD&T and ASME Y14.5 standards knowledge.
• Familiarity with AS9100 quality management systems.

Responsibilities

• Develop, generate, validate, and maintain CNC milling programs for 3-, 4-, and 5-axis operations.
• Create setup sheets, tooling lists, and production documentation.
• Interpret engineering prints and GD&T with ASME Y14.5 compliance.
• Support machining with process optimization and tooling decisions.
• Assist in root cause investigations and continuous improvement initiatives.
• Ensure compliance with AS9100 and customer requirements.

Skills

CNC milling

G-code programming

GD&T

ASME Y14.5

Process optimization

Education

High school diploma or equivalent

Associate degree in Manufacturing Technology or related field

Tools

Mastercam

CAD/CAM software

Microsoft Excel

Job description

Description

About Masterbilt Incorporated:

Founded with a commitment to excellence in precision manufacturing, Masterbilt Incorporated has established itself as a leader in delivering high-performance components across a range of industries. Our mission is to provide superior quality through innovation, advanced CNC machining processes, and a relentless focus on continuous improvement.

At Masterbilt, we operate in a collaborative, fast-paced environment where teamwork and innovation drive success. We take pride in fostering a culture that empowers employees to grow, contribute meaningfully, and uphold our core values of quality, integrity, and operational excellence. Through our dedication and expertise, we consistently meet the evolving needs of our customers while maintaining the highest standards in manufacturing.

Position Description:

The CNC Programmer – Mill develops, optimizes, and supports CNC programs for 3-, 4-, and 5-axis milling operations. This position works closely with Engineering, Quality, and Manufacturing to ensure safe, efficient production of precision aerospace components while meeting customer, AS9100, and company requirements.

The successful candidate will possess advanced knowledge of CNC milling operations, machining processes, CAD/CAM software, tooling strategies, and GD&T interpretation. This individual will work closely with Manufacturing, Engineering, Quality Assurance, Customers, and Suppliers to support operational excellence, product quality, and continuous improvement initiatives.

Essential Duties and Responsibilities:

Essential Functions and Responsibilities

• Develop, generate, validate, and maintain CMM and VCMM programs for aerospace components.
• Develop, generate, validate, and maintain CNC milling programs utilizing Mastercam or approved CAM software.
• Create setup sheets, tooling lists, work instructions, and support manufacturing documentation.
• Interpret engineering prints, CAD models, specifications, and GD&T requirements in accordance with ASME Y14.5 standards.
• Optimize machining strategies, tooling selections, and cutting parameters to improve efficiency and quality.
• Support machinists during setup, prove-outs, first-piece approvals, and production runs.
• Troubleshoot machining, tooling, fixture, and CNC program issues.
• Collaborate with Engineering and Quality to ensure manufacturability and conformance to customer requirements.
• Review and maintain program revision control and manufacturing documentation.
• Evaluate opportunities to reduce cycle times and improve repeatability.
• Support root cause investigations, corrective actions, and continuous improvement projects.
• Assist in determining appropriate machining methods and manufacturing processes for complex components.
• Validate first article and prototype production processes.
• Support customer audits, internal audits, and quality initiatives as required.
• Promote compliance with company safety policies, quality standards, and aerospace industry requirements.
• Complete additional duties and projects assigned.

Performance Expectations

• Development of accurate and repeatable CNC programs.
• Successful launch of new jobs and products.
• Reduction of setup time and machining cycle times.
• Reduction in scrap, rework, and production downtime.
• Consistent compliance with AS9100, customer, and internal quality requirements.
• Effective collaboration with Manufacturing, Engineering, and Quality teams.
• Timely resolution of programming and machining issues.
• Maintenance of organized and accurate program documentation.
• Continuous identification and implementation of process improvements.
• Consistent adherence to safety and quality standards.

Requirements

Qualifications and Competency Requirements:

Experience & Education

• High school diploma or equivalent required.
• Associate degree in manufacturing technology, Machining Technology, Engineering Technology, or related field preferred.
• Minimum 5 years of CNC milling and programming experience required.
• Aerospace manufacturing experience is strongly preferred.
• Advanced proficiency with Mastercam or comparable CAM software required.
• Strong understanding of CNC machining principles, G-code programming, tooling, fixturing, and cutting parameters.
• Strong understanding of GD&T and ASME Y14.5 standards.
• Knowledge of AS9100 quality management systems.
• Experience with Haas, Mazak, Okuma, or similar CNC milling equipment preferred.
• Proficiency in Microsoft Office applications including Excel and Word.

Additional Attributes

• Excellent problem-solving and analytical skills.
• Strong attention to detail and organizational skills.
• Effective communication and teamwork skills.
• Dependable with excellent attendance.
• Commitment to safety and continuous improvement.

Compliance

• Ability to comply with and pass all required background check and drug screening requirements, including but not limited to pre-employment and random drug screening as required/requested.

Physical Activities & Working Conditions

The physical demands and working conditions described here are representative, but not exhaustive, of those that must be met by an employee to successfully perform the essential functions of this job.

• Ability to lift and move up to 50 pounds
• This position is performed in both office and manufacturing environments and requires regular interaction with production personnel, equipment, and machining operations.
• Requires prolonged periods of sitting, standing, walking, bending, stooping, kneeling, reaching, crouching, twisting, and repetitive hand movements.
• Regular use of computers, CNC controls, CAD/CAM software, and other manufacturing systems.
• Frequent reading and interpretation of blueprints, technical drawings, specifications, and production documentation.
• Requires effective communication with employees, customers, suppliers, and management through in-person discussions, phone conversations, and electronic communication.
• Must be able to visually inspect tooling, setups, and machined components for conformance to specifications.
• Exposure to manufacturing equipment, machine noise, coolant, cutting fluids, metal chips, and varying shop-floor conditions.
• Must wear required Personal Protective Equipment (PPE), including safety glasses, hearing protection, and safety footwear, while in production areas.
• Requires lifting, carrying, pushing, and pulling materials, tooling, fixtures, and equipment weighing up to 50 pounds on an occasional basis.
• Occasional overtime, extended hours, or weekend work may be required to support production demands.

Work Schedule:

The typical schedule for this position is Monday through Friday; however, hours may vary based on production demands and business needs. Occasional evening and weekend work may be required.

Other:

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.