Machinist B 2nd Shift

Company: O'Fallon Casting
Location: O Fallon
Posted on: January 15, 2026

Job Description:

Job Description Job Description About the Company O'Fallon Casting is a global leader in the production of high-quality aluminum alloy investment castings. Since 1969, our family-owned company has been dedicated to delivering precision-engineered solutions for the aerospace, defense, and commercial markets. Operating from our modern 75,000-square-foot foundry in O'Fallon, Missouri, we specialize in complex, castings that meet the rigorous demands of the world's leading aerospace and defense contractors. Our constructive culture fosters innovation, collaboration, and excellence, ensuring that we remain at the forefront of the industry. Please consider joining our growing team Primary Function: General machining of routine castings and the building of small fixtures for use in the finishing department. Tools and Equipment: Grinders, drill press, micrometers, calipers, dial indicators, fixtures and shims, reaming tools, tote pans, mechanics hand tools etc. Material: Aluminum, copper, and brass based castings, tapping fluids, lubricants, etc. Working Procedure: Under the guidance and direction of the department supervisor, the Machinist A, or group leader. the Machinist B shall: THE FOLLOWING ARE THE USUAL MAJOR JOB DUTIES BUT THIS JOB DESCRIPTION DOES NOT PRECLUDE THE PERFORMANCE OF OTHER DUTIES BY THE INCUMBENT. Shall adhere to all safety requirements as posted on the job safety card. Shall consistently follow all applicable work instructions. Shall receive daily work assignments from the department supervisor or group leader. Shall setup drill press, milling machines, and/or lathe to machine castings and build fixtures as required. Shall work from casting blueprints to machine castings, and verify accuracy of work to customer specifications through the use of various measuring instruments such as micrometers, caliper, indicator, etc Shall be proficient in the use of various mechanics hand tools, such as a chisels, hammer, punches, wrenches, files, etc. Shall move the castings to the next operation per the process sheet. Shall maintain all labor vouchers, records, and files, in addition to a variety of logs where accuracy is paramount, and enter all required information into the Company software in a timely manner. Shall maintain work area in a clean and orderly condition. Shall attend and successfully complete hazardous material / waste handling classes. Shall attend and successfully complete training in the proper techniques of lifting. Shall attend and successfully complete lock out / tag out training. Shall perform other duties as assigned. Work Environment: Shall work in an area where airborne grinding dust is present. Special Skills Required: Requires a technical school diploma in precision machining technology or one year of machining experience. Must be proficient in reading and interpreting casting blueprints. Must have good working knowledge of personal computers and related software. Must be able to handle the physical demands of the job.

Keywords: O'Fallon Casting, St. Louis , Machinist B 2nd Shift, Engineering , O Fallon, Missouri