Operator

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

Job Category: Manufacturing

Requisition Number: MILLR001451

Posted: October 22, 2025

Full-Time

On-site

Rate: $17 USD per hour

Tucson, AZ 85705, USA

Travel Required: No

Job Details

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
• Recognize product/process issues and assist with troubleshooting
• Maintain a clean and organized work area
• Support the training of other 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

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.