Demo

Millroom Operator - Weekend shift

R.E. Darling Co., Inc.
Tucson, AZ Full Time
POSTED ON 10/14/2026
AVAILABLE BEFORE 12/13/2026

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

The Millroom Operator plays a key role in producing high-quality custom rubber compounds used across a variety of applications. This role is a great fit for candidates with manufacturing experience or for those who have developed strong hands on, equipment operation, or process driven skills in similar environments. Operators work closely with production, technical, and quality teams to ensure that materials are processed safely, accurately, and on schedule.

This position requires a person who is safety conscious, quality conscious and goal oriented. This position involves operating large industrial equipment, handling materials, and performing physically active tasks such as standing, bending, and lifting up to 51 pounds. Some areas may require the use of a respirator.

What You’ll Do
• Execute production tasks in alignment with work orders, procedures, and daily schedules
• Operate processing equipment such as internal mixers, two‑roll mills, calendars, extruders, autoclaves, and presses
• Use measurement tools including calipers, thickness gauges, scales, and tape measures to verify product specifications
• Monitor processes and identify potential issues, communicating promptly with the team and assisting in troubleshooting
• Accurately complete production and ingredient‑tracking documentation
• Maintain an organized work area and participate in 6S/continuous‑improvement activities
• Support training of team members by sharing process knowledge and equipment operation skills
• Enter production data into the manufacturing software system
• Track and report material inventory levels
• Follow established safety practices and use required personal protective equipment
• Inspect products to ensure they meet dimensional and visual quality standards

Qualifications

Required
• High school diploma or equivalent
• Ability to follow written instructions, work orders, and technical documentation
• Ability to operate production machinery safely
• Proficiency with measurement tools and basic shop math
• Visual ability to inspect products for quality
• Basic computer skills for data entry and documentation

Preferred
• Experience in rubber compounding or related processes such as mixing, extruding, calendaring, or refining
• Experience operating millroom equipment including internal mixers, two‑roll mills, extruders, or calenders

Respirator Use
Some work areas require respirator use to meet safety standards. Employees in these areas must maintain the appropriate facial seal required for respirator effectiveness, clean-shaven standards may apply.

Shift

Weekend shift 

  • Friday-Sunday 5:00am-5:30pm
  • Off Monday-Thursday
  • Compensated for full-time hours (40 hours)

Salary.com Estimation for Millroom Operator - Weekend shift in Tucson, AZ
$47,423 to $62,219
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