At a Glance Company: American RheinmetallLocation: Lapeer, MI (On-Site)Job Type: Full-TimePay Range: Competitive Hourly Rate (DOE)Shift: 2nd Shift Monday-Thursday 4:30 PM - 2:30 AMOvertime: Available as NeededExperience Level: Senior (5+ Years)Work Authorization: Must be able to meet requirements for employment in a U.S. defense manufacturing environment Why This Role Exists American Rheinmetall continues to expand its advanced machining capabilities at its Lapeer, Michigan facility to support growing defense and commercial manufacturing programs. This role plays a critical part in producing large, complex machined components used in military vehicle systems, fabricated structures, and mission-critical products. We're looking for an experienced 5-axis machinist who can take ownership of setup, programming, troubleshooting, and production while helping support the next phase of growth within our machining operations. The Work You'll Be Doing In this role, you will: Set up and operate large-format 5-axis CNC machining centers Program and optimize machining operations using Mastercam Interpret blueprints, engineering drawings, specifications, and GD&T requirements Establish work offsets, tooling compensation, and machine setups Perform machine prove-outs and first-piece inspections Align and locate large workpieces using stock models and tooling balls Hang and fixture large components on horizontal machining centers Monitor machining operations and make adjustments to maintain quality and efficiency Troubleshoot tooling, machine, and process issues through root-cause analysis Complete production and quality documentation within Plex ERP Collaborate with engineering, quality, materials, and programming teams Support preventive maintenance and Total Productive Maintenance (TPM) initiatives Maintain compliance with quality, safety, and environmental standards Machines, Controls & Software You'll work with equipment such as: Machines: Zimmermann 5-Axis Machining Centers Apec 5-Axis Machining Centers FPT Machining Centers Mecof Machining Centers Controls: Heidenhain Fidia CAM Software: Mastercam ERP System: Plex Inspection Equipment: Precision measuring tools and first-article inspection equipment Materials You'll Work With Depending on program requirements, machining work may include: Steel Alloy Steel Weldments Castings Forgings Plate Material Tubing Defense-grade structural materials What We're Looking ForRequired High school diploma or GED Minimum 5 years of CNC machining experience in a multi-axis environment Minimum 2 years of Mastercam programming experience Experience setting up and operating complex 5-axis machining centers Ability to read blueprints and interpret GD&T Strong understanding of tooling, offsets, workholding, and machining strategies Knowledge of ISO 9001 and/or AS9100 quality systems Understanding of 5S and lean manufacturing principles Strong troubleshooting and problem-solving skills Ability to safely lift up to 50 pounds Reliable attendance and strong communication skills Preferred Experience with Heidenhain controls Experience with Fidia controls Crane operation experience Knowledge of ISO 14001 Environmental Management Systems Experience machining large structural components Experience in defense, heavy equipment, or aerospace manufacturing Why Machinists Like Working Here Machinists choose American Rheinmetall because: Growing defense manufacturer with long-term program stability Modern 5-axis machining technology and ongoing equipment investment Opportunity to work on large, complex, high-visibility components Quarterly bonus opportunities Sign-on bonus opportunities after 90 days Structured Machining Development Program Strong advancement opportunities as the company continues to expand Comprehensive benefits package Team-oriented manufacturing culture focused on quality and continuous improvement Pay, Benefits & SchedulePay Competitive Hourly Rate (DOE) Additional Compensation Sign-on bonus opportunities after 90 days Quarterly bonus opportunities Benefits Medical Insurance Dental Insurance Vision Insurance 401(k) Short-Term Disability Long-Term Disability Company contribution toward insurance premiums Benefits begin the first of the month following start date Machining Development Program Career growth opportunities Schedule 2nd Shift Monday - Thursday 4:30 PM - 2:30 AM Overtime: Available as business needs require About American Rheinmetall American Rheinmetall is a leading designer and manufacturer of advanced military vehicle systems, tracked and wheeled platforms, fabricated structures, armored products, and mission-critical components supporting U.S. military modernization. With facilities across Michigan, Ohio, and Maine, more than 1,500 employees, and over 1.7 million square feet of manufacturing space, American Rheinmetall delivers innovative solutions to the defense, industrial, construction, mining, and transportation sectors. Apply Interested machinists can apply directly through hireCNC. Apply Now or Save This Job to come back later.