Explore high-level Machinist III (CNC) jobs, a senior role at the forefront of precision manufacturing. A Machinist III (CNC) is an expert-level professional responsible for the complex setup, operation, and programming of Computer Numerical Control machinery, including multi-axis mills, lathes, and grinders. These skilled individuals are pivotal in transforming raw materials like metals and plastics into intricate, high-tolerance components essential for industries such as aerospace, defense, medical device manufacturing, automotive, and industrial equipment. This position represents the pinnacle of the machinist trade, requiring deep technical knowledge, problem-solving prowess, and the ability to work with minimal supervision. The core responsibilities of a Machinist III typically encompass the entire machining workflow. This begins with interpreting complex engineering blueprints, geometric dimensioning and tolerancing (GD&T) specifications, and 3D models to determine the optimal machining strategy. They perform advanced setups, selecting and securing appropriate cutting tools, fixtures, and workholding devices. A significant differentiator for a Level III machinist is their proficiency in CNC programming, often using industry-standard software like Mastercam, Siemens NX, or GibbsCAM to create, edit, and optimize machine code (G-code) for efficient and precise production. They operate machinery, meticulously monitoring feeds, speeds, and coolant flow to ensure part quality. A critical duty is conducting in-process inspections using precision measuring instruments—micrometers, calipers, height gauges, and CMMs—to verify that parts meet exacting specifications and making proactive adjustments to correct deviations. Furthermore, they are often tasked with troubleshooting machine malfunctions, mentoring junior machinists, and contributing to process improvement initiatives to enhance shop floor efficiency and quality. Typical skills and requirements for Machinist III (CNC) jobs are rigorous. Employers generally seek a high school diploma or equivalent, supplemented by a vocational certificate or apprenticeship, and a minimum of 5-7 years of progressive CNC machining experience. Expertise in reading technical drawings and a solid grasp of advanced mathematics, including trigonometry, is fundamental. Proficiency with specific CNC control systems, such as Fanuc, Haas, or Heidenhain, is expected. The role demands strong mechanical aptitude, exceptional attention to detail, and the ability to perform complex calculations for tool paths and offsets. Soft skills like self-direction, effective communication for collaborating with engineers and quality personnel, and a steadfast commitment to safety protocols are equally vital. For those seeking a challenging and rewarding career crafting the precision parts that modern industry relies on, exploring Machinist III (CNC) jobs opens the door to a vital and respected profession where expertise directly shapes innovation and manufacturing excellence.
