Jimmy Liu

Experience

• 

  G&J Manufacturing Inc

  Feb 2010 - Apr 2014

  Manufacturing Assembly Lead

  • Supervised circuit board assembly lines to ensure adherence to engineering specifications.• Certified in operating, programming, and maintaining Yamaha and Mycronic high speed PCBA machines along with accompanying Heller reflow ovens, DEK solder paste dispensers, and conveyor systems.• Experienced with programming and operating Koh Young AOI, Scienscope X-Ray, and AirVac rework stations.• Designed custom tooling and jigs to improve productivity and yield.• Collected SPC data to be used for productivity and capability analysis. • Reviewed travelers and project documents with the team to ensure proper execution of the task at hand. • Reviewed and continually improved assembly instructions and standard operating procedures. Show less

• 

  InPhase Engineering, Inc

  Apr 2014 - Nov 2018

  Project Manager

  • Expanded client networks by 20% and strengthened supplier relations through face to face interaction. • Conducted reviews of output data with engineering and production to improve yield by 18%.• Collaborated with purchasing and supply chain departments to reduce material costs by up to 10%. • Leveraged production and design expertise to bridge communication between clients, designers, and engineers.• Prepared RFQs and/or RFPs promptly to secure at least 5 multi-million dollar contracts a year.• Facilitated the voice of the customer for NPI and continued to drive improvements post release. • Traveled overseas 2-4 times a year to maintain good relations with suppliers and improve on assigned categories.• Interfaced with local southern California suppliers for quick turn and specialized components.• Utilized Solidworks, AutoCAD, and Adobe Design Suite software to create, review, and approve designs. Show less

• 

  G&J Manufacturing Inc.

  Nov 2018 - Oct 2021

  Production Manager

  • Managed circuit board SMT and final assembly production lines with a total of 35 production staff.• Collaborated with cross functioning areas to create and manage KPIs, resulting in a 12% increase in productivity.• Reviewed contracts and terms to create accurate production schedules, projections, and forecasts.• Monitored concurrent work orders to ensure customer delivery schedule and quality requirements were met. • Utilized Factory Logix MES to plan and manage the production floor, material flow, and equipment usage.• Leveraged Fishbowl and MRPEasy MRP systems to manage an inventory 5000+ part numbers.• Devised 5S initiatives that minimized waste by 15% and created a more ergonomic workflow.• Initiated daily stand up meetings with lead production personnel to ensure production goals are on track. • Managed BOM revisions, part numbers, ECOs, configurations, and product lifecycles through Arena PLM. • Enforced standard operating procedures to ensure quality of products and safety in the work space.• Identified non-conformance events and used root-cause analysis to document and resolve issues. • Signed off on engineering drawings, assembly instructions, wiring diagrams, blueprints, and SOPs.• Created equipment maintenance schedules and procedures to reduce down time and increase equipment utilization. Show less