Machine Operator - Conformal Coating (Second Shift)

Job Description

Job Description

Conformal Coating Machine Operator

Position Summary

The Conformal Coating Machine Operator is responsible for operating, monitoring, and supporting automated and semi-automated conformal coating equipment to apply protective coatings to printed circuit boards (PCBs). This role ensures boards are coated accurately, consistently, and in accordance with workmanship standards, customer requirements, and internal procedures. The operator works closely with technicians, leads, and quality personnel to maintain throughput, quality, and process stability.

Key ResponsibilitiesMachine Operation & Production

• Set up, operate, and monitor conformal coating equipment (selective spray, automated systems, or manual-assisted processes).

• Load and unload PCBAs, ensuring correct orientation, fixturing, and program selection.

• Start, stop, and adjust machine parameters as directed by work instructions or process documentation.

• Monitor coating application for proper coverage, thickness, and alignment during production runs.

Process Monitoring & Quality

• Perform in-process inspections using UV light, magnification, or inspection lamps to verify coating quality.

• Identify coating defects such as skips, bubbles, bridging, overspray, or masking issues.

• Escalate quality concerns or recurring defects to leads, supervisors, or process engineering.

• Support minor touch-up or corrective actions as trained and approved.

Masking & Board Preparation

• Apply and remove masking materials per work instructions prior to and after coating.

• Prepare boards for coating by verifying cleanliness, masking integrity, and traveler accuracy.

• Assist with demasking and post-coating handling to prevent damage to coated assemblies.

Equipment & Material Handling

• Refill coating materials, solvents, and consumables following safety and handling procedures.

• Perform routine machine cleaning and basic preventive maintenance tasks.

• Maintain coating equipment, fixtures, and workstations in a clean and organized condition.

• Properly label, store, and handle chemicals in accordance with safety and environmental requirements.

Documentation & Reporting

• Accurately complete travelers, production logs, and inspection checklists.

• Record lot information, machine settings (as required), and any process deviations.

• Communicate production status, downtime, or issues during shift handoffs.

Compliance & Safety

• Follow all manufacturing instructions, IPC workmanship standards, and ESD control procedures.

• Adhere to chemical safety, PPE, and environmental regulations.

• Maintain a clean, organized, and compliant work area at all times.

QualificationsPreferred

• Experience operating manufacturing or automated equipment in an electronics or PCBA environment.

• Familiarity with conformal coating processes and materials (acrylic, silicone, urethane).

• Ability to read and follow work instructions, travelers, and process documentation.

• Basic understanding of IPC-A-610 standards or willingness to obtain certification.

• Comfortable working with UV inspection tools and precision equipment.

Soft Skills

• Strong attention to detail and process discipline.

• Ability to work independently and as part of a production team.

• Clear communication skills and willingness to escalate issues.

• Dependable, safety-conscious, and quality-focused.

Physical Requirements

• Ability to stand or sit for extended periods.

• Fine-motor coordination for handling PCBAs and masking materials.

• Ability to lift up to 20 lbs as required.

Benefits

• 401(k) with company match

• Medical, dental, vision, and life insurance

• Paid time off and company holidays

• Opportunities for advancement in a growing, high-tech manufacturing environment

Schedule

• 8-hour shift, Monday–Friday

• Overtime and weekend availability as needed

Pay Range

$20—$23 USD

Rocket EMS will consider qualified applicants with criminal histories in a manner consistent with the California Fair Chance Act. Candidates are not required to disclose criminal history or participate in a background check unless and until a conditional offer of employment has been made. Any final offer of employment may be conditioned on completion of a background check, consistent with applicable law.