Winonics is seeking a Soldermask Operator to join our PCB manufacturing team in Brea, California. This position performs soldermask processing on printed circuit boards (PCBs), including panel preparation, application, imaging/exposure, developing, curing, and inspection.
The ideal candidate has PCB manufacturing experience, strong attention to detail, and the ability to follow travelers, work instructions, and process specifications in a fast-paced production environment.
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Review travelers, work orders, process instructions, and specifications before processing PCB panels.
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Prepare and pre-clean PCB panels and verify the correct materials, films, artwork, screens, and job setup.
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Set up and operate soldermask equipment, including screen printers/coaters, imaging or exposure units, developing equipment, and curing ovens.
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Apply and process soldermask while maintaining proper coverage, thickness, and registration.
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Perform screen imaging and hand registration as required.
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Monitor exposure, developing, curing, bake time, temperature, and other required process parameters.
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Perform visual and in-process inspections to identify defects such as pinholes, contamination, incomplete coverage, and misregistration.
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Accurately record production activity, inspection results, and process information.
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Perform routine cleaning and basic preventive maintenance of equipment, tools, and work areas.
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Follow all safety, chemical-handling, PPE, quality, and manufacturing procedures.
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Work with Production, Quality, and Engineering to address process or quality issues and maintain production flow.
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Perform other related duties as needed to support production.
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High school diploma or equivalent.
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2+ years of PCB manufacturing, soldermask, screening, or related PCB fabrication experience preferred.
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Ability to read and follow travelers, work orders, manufacturing instructions, and process specifications.
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Experience with soldermask application, screen printing, imaging/exposure, developing, or curing equipment preferred.
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Strong attention to detail and visual inspection skills.
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Basic mechanical aptitude and ability to operate manufacturing equipment.
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Basic computer and data-entry skills.
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Good communication and teamwork skills.
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Ability to work overtime or weekends when required to meet production needs.
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Ability to stand and walk for extended periods throughout the shift.
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Ability to safely lift and handle materials weighing up to 25 lbs.
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Ability to work in a PCB manufacturing environment around production equipment and chemicals.
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Ability to wear required personal protective equipment (PPE), including gloves and safety glasses/goggles, and other protective equipment as required.
