What are the responsibilities and job description for the Machine Operator - SMT position at Rocket EMS?
As an SMT Operator at Rocket EMS, you will play a critical role in building high-reliability PCB assemblies by setting up, operating, and monitoring SMT production equipment. You'll run screen printers, SPI, pick-and-place machines, and reflow ovens to ensure every build meets IPC-A-610 Class 2 and 3 workmanship standards. This position requires strong technical aptitude, attention to detail, and the ability to follow precise build documentation in a fast-paced electronics manufacturing environment.
ResponsibilitiesReview build documentation such as MPIs, assembly drawings, ECOs, BOMs, and customer requirements before beginning work.
Set up and operate SMT equipment including:
Screen printers
Solder paste inspection (SPI) systems
Pick-and-place machines (Fuji, Panasonic, Juki, etc.)
Reflow ovens
Verify feeder setups, component orientation, reference designators, and correct loadouts according to the BOM.
Perform machine program loading, verification, and first-article checks as required.
Monitor machine performance, address mis-picks, placement errors, and stoppages promptly, and escalate recurring issues to the Lead, Engineer, or Supervisor.
Conduct visual and AOI pre-verification to ensure solder paste deposits, component placements, and reflow results meet IPC-A-610 standards.
Perform basic machine maintenance, cleaning, and calibration tasks according to established procedures.
Assist in first article builds, ensuring accuracy of placements, polarity, and component values.
Identify and correct SMT-related defects; escalate systemic issues to Engineering or Quality.
Maintain clean, organized work areas and follow all ESD, MSD, and handling procedures.
Record production data, downtime events, and pass-down information accurately.
Support other areas of production—such as AOI, rework, or kit prep—as directed by Supervisor, Engineer, or Manager.
Participate in continuous improvement initiatives and 5S activities to improve efficiency and quality.
High school diploma or equivalent (required)
Minimum 1–2 years of SMT production experience in contract manufacturing or electronics assembly (preferred).
Experience operating pick-and-place machines, SPI, and reflow ovens (preferred).
IPC-A-610 certification (preferred or required depending on role level).
Ability to read assembly drawings, MPIs, ECOs, and BOMs.
Strong understanding of component identification, polarity, and package types (0402, 0201, ICs, BGAs, QFNs, etc.).
Knowledge of solder paste application and reflow profiles.
Mechanical aptitude for troubleshooting minor machine issues.
Excellent attention to detail and commitment to high-quality workmanship.
Basic computer skills (Excel, Word, Outlook).
Clear written and verbal communication skills in English.
401(k) with company match
Medical, dental, vision, and life insurance
Paid time off and company holidays
Opportunities for advancement in a growing, technology-driven manufacturing environment
8-hour shift, Monday–Friday
Overtime and weekends as needed
ITAR/EAR Compliance: Due to the nature of the work performed at Rocket EMS, this position may require access to export-controlled technical data or technology. The successful candidate must be eligible to access such information under applicable U.S. export-control laws or be eligible for any required government authorization.
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.
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Salary : $20 - $23