Millroom Operator (2nd shift 4:00pm to 1:30am)

Company: R.E. Darling Co
Location: Tucson
Posted on: January 17, 2026

Job Description:

Job Description Job Description This position will require access to ITAR and/or EAR controlled technical data, technology or source code, and requires that all individuals in this role be authorized to access such information General Description: The Millroom Operator is responsible for producing custom mixed rubber compounds in accordance with prescribed procedures and schedules. This position reports to the supervisor of the Millroom. Personal contact with others will typically involve interaction with technical and quality assurance personnel to give information on product related concerns. This position requires a person who is safety conscious, quality conscious and goal oriented. The Millroom work environment requires the operation of large processing equipment, the handling of hazardous chemicals, the physical ability to stand for extended periods with frequent stooping and repeatedly lifting items weighing up to 50 pounds. Must be capable of wearing a cartridge loaded half face respirator. Primary Responsibilities: Perform specific tasks associated with the manufacture of rubber and composite products Recognize product/process issues and assist with troubleshooting Maintain a clean and organized work area Support training of employees Enter job data into software data collection system Perform accurate counts of physical inventory Understand and follow safe work principles Responsible for quality and workmanship of product produced Education and Experience Requirements: High School diploma or equivalent Six months manufacturing experience Required Skills Ability to complete production forms, such as product travelers Ability to follow work order instructions Ability to safely operate machines in area of assignment Sufficient visual acuity to inspect products produced Ability to read and understand technical drawings, work orders and written procedures Ability to accurately utilize measuring equipment such as calipers, thickness gages, weigh scales, and tape measures Proficient in shop math Basic computer skills required Preferred experience with the manufacture of custom mixed rubber including: Mixing, extruding, calendaring, refining, and inspecting/testing of rubber compounds Operating millroom equipment such as two-roll mills, internal mixers, extruders, and calendars Specific Tasks and Focus Areas: Perform specific tasks associated with the manufacture of rubber products Assigned by the Supervisor or Lead Person Execute manufacturing processes in accordance with work orders, procedures and schedules to achieve daily goals Operate processing equipment such as mixer, autoclaves, mills, calendar, extruders, PHI presses, & mechanical hand tools Utilize measuring equipment such as calipers, thickness gages, weigh scales, and tape measures Accurately complete process control paperwork (ingredient tracking on work orders) Recognize product/process issues and assist with troubleshooting Know when to stop processing Notify supervisor/lead person Assist with the problem-solving process to resolve the issue Maintain a clean and organized work area Utilize 6S techniques (Sort, Set in Order, Shine, Standardize, Sustain, Safety) Participate in the daily workgroup start up meeting Responsible for maintaining a clean work area Capable of generating skill versatility sheets for products Cleanliness of work area/cell at all times Support the training of other employees As directed by the Supervisor and under close supervision & review of the Lead Person or Supervisor Provide training and familiarization on the work processes and the operation of equipment Completion of product training log sheets for employees being trained Enter job data into software data collection system Report material usage and labor when required Input data using a computer on a daily basis when required Perform accurate counts of physical inventory Identify low inventory levels of direct materials Identify low inventory levels of shop aids Notify lead/supervisor of needed direct and indirect materials Understand and follow safe work principles Practice safe work methods Wear personal protective equipment when required Support Supervisor/Lead Person in maintaining a safe work environment Capable of identifying safety features on Millroom equipment Responsible for quality and workmanship of product Perform visual/dimensional checks to ensure product quality and workmanship Identify and report product problems and issues Identify and report equipment problems and issues “ AA/EOE/W/M/Vet/Disable ” R.E. Darling Co., Inc. is an equal opportunity employer. All qualified applicants will receive consideration of employment without regard to race, religion, color, national origin, gender, gender identity, sexual orientation, age, status as protected veteran, among other things, or status as qualified individual with disability.

Keywords: R.E. Darling Co, Chandler , Millroom Operator (2nd shift 4:00pm to 1:30am), Manufacturing , Tucson, Arizona