CNC Grind Operator (Nights)

American Rheinmetall; Plymouth (MI); On-site; USD 52,000 - 76,000; Full time

Job summary

American Rheinmetall is seeking a skilled gear grinding technician to operate precision gear grinding machinery and ensure parts meet exact specifications. The role requires setup, indexing, and measurement using gauges, with emphasis on safety and quality compliance.

Candidates should have a high school diploma or GED and 5–7 years of related experience, with ability to lift up to 50 pounds and use PPE as required.

Qualifications

• High school diploma or GED, with 5–7 years related experience or an equivalent combination.
• Experience setting up and operating precision gear grinding machines with indexing equipment.
• Familiarity with AS9100 and ISO 14001 quality standards.
• Ability to read gauges (thickness gauges, dial indicators) and micrometers accurately.
• Must be able to lift up to 50 pounds and wear PPE.
• Strong attention to detail and adherence to safety procedures.

Responsibilities

• Sets up automatic dressing device to dress wheel to specified profile.
• Sets rotation speeds and feed rates on controls.
• Positions and secures workpiece on mandrel or chuck and checks with measuring tools.
• Directs coolant flow to wheel and workpiece as required.
• Indices workpiece and adjusts depth of cut by sight and feel.
• Verifies ground part dimensions against specifications.
• Grinds metallic materials and changes worn tools; cleans machine and tooling.
• Operates bench grinder to sharpen tools and performs light maintenance.

Skills

Gear grinding

Precision measurement

Machining equipment

AS9100 knowledge

Safety/ PPE

Problem solving

Education

High school diploma or GED

Tools

Indexing equipment

Thickness gauges

Dial indicators

Micrometers

Bench grinder

Job description

American Rheinmetall is a leader in the design, development, and production of advanced tracked and wheeled vehicles, vehicle systems, and critical components that support U.S. military modernization. Our expertise spans electronic and mechanical systems, fabricated structures, armored products, rubber solutions, and track systems, delivering reliable innovation to both defense and commercial markets at the speed of need. As part of the global Rheinmetall family, we combine proven heritage with forward-looking technology to provide solutions that defend and feed the world.

Summary

Sets up and operates precision gear grinding machine with special indexing equipment to grind master and precision gears by performing the following duties.

Essential Duties and Responsibilities

• Sets up automatic dressing device to dress wheel to specified profile.
• Moves controls to set synchronized rotation speeds and feed rates.
• Positions and secures workpiece on mandrel between centers or in chuck, and turns handwheels to position workpiece and wheel, verifying positions with thickness gauges, dial indicators, and micrometers.
• Turns valve handle and directs flow of coolant against wheel and workpiece.
• Moves controls to index workpiece and feed wheel to workpiece, adjusting depth of cut in part by sight and feel.
• Verifies dimensions of ground workpiece for conformance to specifications.
• Grinds metallic materials.
• Changes worn tools and cleans machine, tooling, and parts.
• Operates bench grinder to sharpen tools.
• Performs light machine maintenance (check oil and coolant levels).

Competencies

To perform the job successfully, an individual will need to perform the following competencies.

Quantity of Work

The quantity of work produced and the promptness with which it is completed.

Quality of Work

The ability displayed and accuracy of work produced, meeting company standards, and requiring little to no rework.

Judgement/Knowledge of Job

Knowledge of job, techniques, skills, equipment, procedures, materials, etc.

Attendance/Dependability

Punctuality and attendance.

Teamwork/ Attitude

Willingness and cooperativeness with co-workers and supervisors; ability to accept constructive criticism.

Initiative/Independence

The degree to which an employee searches out new tasks and expands their ability to perform assigned tasks without direct supervision.

Adherence to Policy

Follow quality environmental policies and have knowledge of AS9100 and IS14001.

Adherence to Safety

Follow safety procedures, security protocol, and wear proper PPE.

Education And/or Experience

High school diploma or G.E.D. equivalent, and five to seven years related experience and/or training; or equivalent combination of education and experience.

Reasoning Ability

Ability to apply common sense understanding to carry out instructions furnished in written, oral, or diagram form. Ability to deal with problems involving several concrete variables in standardized situations.

Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee is occasionally required to stand; walk; sit; use hands to finger, handle, or feel and reach with hands and arms. The employee may occasionally lift up to 50 pounds. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Equal Employment Opportunity Statement

American Rheinmetall provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sex (including pregnancy), gender identity, national origin, age, disability, or marital status, in accordance with applicable federal, state and local laws. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.