Precision CNC Programmer for Defense Machining

Rheinmetall; Plymouth (MI); On-site; USD 65,000 - 95,000; Full time

Job summary

American Rheinmetall is a defense-focused manufacturer in Michigan, seeking a CNC Programmer to develop and optimize programs for mills, lathes, and multi-axis centers. You will work with engineering and production teams to meet tight tolerances on armor and ballistic components.

Responsibilities include selecting tooling and cutting parameters, performing first article inspections, and ensuring compliance with military specifications and quality standards in a secure manufacturing environment.

Qualifications

• Proficiency with CAD/CAM software (Mastercam, GibbsCAM, Siemens NX, or equivalent).
• Strong knowledge of machining techniques for hardened steel, aluminum, and specialty armor materials.
• Ability to interpret GD&T, engineering drawings, and military specifications.
• Familiarity with CNC equipment such as Haas, Mazak, Okuma, or equivalent.
• Experience with lean manufacturing, continuous improvement, and process optimization.
• Strong problem-solving skills, attention to detail, and ability to work in a high-security, fast-paced environment.
• Must demonstrate the ability and willingness to obtain an overhead crane permit as part of job requirements.

Responsibilities

• Develop, write, and optimize CNC programs for mills, lathes, and multi-axis machining centers to manufacture complex parts from steel, aluminum, and ballistic armor materials.
• Interpret blueprints, CAD models, GD&T, and technical drawings to generate accurate machining strategies.
• Select appropriate cutting tools, speeds, feeds, and machining processes to ensure precision, efficiency, and cost-effectiveness.
• Collaborate with engineers and machinists to refine processes, troubleshoot machining issues, and improve production outcomes.
• Conduct first article inspections (FAI) and ensure compliance with ISO, AS9100, and military quality standards.
• Maintain documentation for CNC programs, setup instructions, and process sheets.
• Optimize machining cycles for efficiency, tool life, and part quality.
• Ensure all parts meet customer and military specifications, with emphasis on tight tolerances and ballistic performance requirements.
• Support root cause analysis and corrective action related to machining nonconformances.
• Stay updated on advancements in CNC programming, tooling, and machining technology.

Skills

CAD/CAM software proficiency

Machining expertise (hardened steel,Al

GD&T interpretation

CNC equipment familiarity

Education

High school diploma or GED

Tools

Mastercam

GibbsCAM

Siemens NX

Haas

Mazak

Okuma

Job description

American Rheinmetall is a defense-focused manufacturer in Michigan, seeking a CNC Programmer to develop and optimize programs for mills, lathes, and multi-axis centers. You will work with engineering and production teams to meet tight tolerances on armor and ballistic components.

Responsibilities include selecting tooling and cutting parameters, performing first article inspections, and ensuring compliance with military specifications and quality standards in a secure manufacturing environment.