What are the responsibilities and job description for the Machinist II position at AAR Corp. and Careers?
About Us: AAR Corp. (NYSE: AIR) is a global aerospace and defense aftermarket solutions company that employs more than 6,000 people across over 60 sites in over 20 countries. Headquartered in the Chicago, Illinois area, AAR supports commercial and government customers in more than 100 countries through four operating segments: Parts Supply, Integrated Solutions, Repair and Engineering and Expeditionary Services. AAR’s purpose is to empower people to build innovative aerospace solutions today so you can safely reach your destination tomorrow. The company’s mission is to go above and beyond to provide value-driven aerospace aftermarket solutions to meet the evolving needs of our customers worldwide. AAR constantly searches for the right thing to do for its customers, employees, partners and for society.
The Skilled Machinist is responsible for manufacturing, repairing, and modifying precision components used in aerospace applications. This position requires advanced knowledge of machining processes, materials, and aerospace quality standards to ensure all parts meet engineering specifications, FAA, and AS9100 requirements. The machinist will set up, program, and operate both CNC and manual equipment to produce high-quality, tight-tolerance parts in support of production and maintenance operations.
§ Set up and operate CNC and manual milling machines, lathes, grinders, and other precision machining equipment
§ Interpret complex aerospace blueprints, engineering drawings, and specifications including GD&T.
§ Machine tight-tolerance parts using aluminum, titanium, stainless steel, and nickel alloys.
§ Plan and perform setups, tooling selection, and machining operations with minimal supervision.
§ Program and edit CNC code (G/M code) and adjust offsets to ensure precision dimensions.
§ Inspect and verify finished parts using precision measuring instruments such as micrometers, bore gauges, height gauges, and CMM (as applicable).
§ Document inspection results per AS9100 and internal quality control procedures.
§ Support the fabrication and repair of tooling, fixtures, and jigs used in aircraft component manufacturing or MRO operations.
§ Ensure compliance with all FAA, EASA, and internal safety and quality requirements.
§ Collaborate with engineering, quality assurance, and production teams to resolve manufacturing issues and recommend process improvements.
§ Maintain clean, organized work areas and adhere to all 5S and safety policies.
§ Education:
o High school diploma or GED required.
o Completion of an accredited machinist or aerospace manufacturing technical program preferred.
§ Experience:
o 3–5 years of precision machining experience in aerospace or a similar regulated industry.
o Hands-on experience with CNC machining centers (HAAS, Mazak, Okuma, or similar).
o Familiarity with AS9100 and FAA Part 145 repair station quality standards a plus.
§ Skills and Competencies:
o Strong understanding of aerospace materials, tolerances, and surface finishes.
o Ability to read and interpret detailed engineering drawings and process specifications.
o Skilled in setup, operation, and troubleshooting of both CNC and manual equipment.
o Working knowledge of GD&T and machining to aerospace tolerances.