2nd/3rd shift Cleanroom Rubber Miller

Precision Associates•Minneapolis, MN
•Onsite

About The Position

The Cleanroom Miller produces cleanroom rubber and silicone compounds by weighing, combining, and milling approved materials using designated cleanroom equipment. The role prepares material in the correct quantity, form, and weight according to the mold schedule and approved work instructions, ensuring it is identified, packaged, and conditioned before molding requires it while preventing contamination, material mix-ups, and loss of traceability. The position operates in an ISO Class 7 cleanroom and follows cleanroom gowning, hygiene, entry, material-transfer, contamination-control, safety, and quality requirements. The Miller records production information and material usage, prepares bin tags, maintains material traceability, and communicates with Leads, Supervisors, Quality, Engineers, and coworkers. The role supports orderly housekeeping, teamwork, and other cleanroom or departmental activities as assigned.

Requirements

  • High school diploma or equivalent desired.
  • Basic computer skills and ability to learn the APPX ERP system.
  • Ability to read, write, speak, and comprehend written and verbal instructions in English.
  • Ability to perform basic mathematical calculations and accurately complete production records.
  • Ability to follow detailed instructions and learn inspection techniques, procedures, scales, and other measuring devices.
  • Legible handwriting or printing.
  • Ability to work well with others and build positive working relationships.
  • Reliable, responsible, and able to use time effectively while working independently at a steady pace.
  • Detail-oriented, quality-focused, safety-conscious, and flexible in assigned duties.
  • Good vision, with or without corrective lenses, including the ability to distinguish material condition and color differences.
  • Ability to stand for extended periods and perform repetitive hand, wrist, and material-handling tasks.
  • Fine motor skills and good hand/eye coordination for precision weighing, material addition, cutting, and packaging.
  • Ability to lift 55 pounds regularly and up to 66 pounds occasionally, using assistance or approved lifting devices when required.
  • Ability to wear required ISO Class 7 cleanroom garments and applicable hand, eye, respiratory, hearing, and other personal protective equipment.
  • Ability to work safely around moving rolls, blades, heated material, mixing equipment, and approved process chemicals or colorants.

Responsibilities

  • Accurately weigh and check-weigh base materials, colorants, additives, samples, and prepared material using calibrated scales and specified tolerances.
  • Operate designated cleanroom mixing and milling equipment according to Job Instruction Sheets, milling orders, cutting records, and established procedures.
  • Prepare rubber or silicone material in the required size, shape, quantity, and weight using approved cleanroom tools and cutting techniques.
  • Verify material identity, lot number, formulation, colorant or additive, quantity, equipment, tooling, and documentation before starting each job.
  • Follow approved addition sequences and special handling instructions to achieve uniform dispersion and prevent improper contact with surfaces.
  • Maintain containment and segregation of compounds, ingredients, tools, containers, work surfaces, and documentation throughout processing and transfer.
  • Perform line clearance and equipment cleaning between jobs to prevent cross-contamination, carryover, and material or lot mix-ups.
  • Monitor material appearance, consistency, temperature, dispersion, and other required in-process characteristics; stop work and consult Supervision or Quality when verification is needed.
  • Record milling and preparation information, actual material usage, and yield; produce bin tags for material identification and batch traceability.
  • Package, label, condition, and store prepared compounds according to shelf-life, cleanliness, temperature, and material-control requirements.
  • Prioritize work according to the approved mold schedule so material is ready when needed by molding.
  • Learn to prepare assigned cleanroom compounds using applicable mixing, milling, weighing, and material-preparation equipment.
  • Follow approved methods, customer specifications, Job Instruction Sheets, ISO procedures, safety procedures, SDS requirements, and PPE requirements.
  • Use bin tags and routing information to move product accurately to the next operation; inspect assigned product and process output and report damaged, contaminated, mixed, or nonconforming product.
  • Accurately enter and communicate production data using the APPX ERP system and required production documentation.
  • Meet productivity expectations while maintaining product quality and cleanroom compliance; maintain regular attendance and work overtime when requested or required.
  • Maintain housekeeping and an orderly work area under the 6-S Program; support line clearance, cleaning, and material movement as assigned.
  • Learn additional cleanroom processes, assist other departments as needed with limited supervision, foster teamwork, and perform other duties assigned by the Supervisor or Lead.

Benefits

  • Medical insurance
  • Accident insurance
  • Critical Illness insurance
  • Hospital Indemnity insurance
  • Dental insurance
  • 401(k) matching plan
  • Basic Life insurance
  • Voluntary Life insurance
  • LTD/STD insurance
  • Flexible benefits plan
  • Vision insurance
  • Generous PTO plan
  • Employee savings account (interest paying)
  • Holiday pay (8), starting upon hire
  • Employee loan after one year of full-time employment
  • Biannual profit sharing program after one year of full-time employment
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