John Do Email & Phone Number

Chelmsford, Massachusetts, United States

Chelmsford, Massachusetts, United States

Assisted clients within all aspects of design to production.Design Feasibility, Implementation, and ScalabilityMaterial Selection and Cost CalculationSourcing and Contract NegotiationDesigning Custom Manufacturing Lines and AutomationQuality Analysis and TestingIn House R&D ServiceFull Capability Fab House

Designed and manufactured custom décor lighting fixtures and sold them on Etsy, Amazon, and EBay. Had a 4.9/5 Stars review from customers.

Antioch, California, United States

• Maintain build documentation & BOM, updated revisions, modifications to reflect current procedures.• Studying component manufacturers’ documentation to determine specs and optimal configuration.• Working closely with client to provide advice on component feasibility and optimization of design.• Redesign assembly enclosure with CAD to reflect improved mechanical performance.• 3D print electronic housing based on files provided by client• Solder Through-Hole and SMD components • PCB design in Eagle to create board subassemblies, processed designs through a PCB fab house.• Verify hardware assembly is compatible with current deployed image.• Vibration and drop test electronic assemblies, epoxying was not an option.• Minor machining duties.• Radio Telescope Assemblies and fieldwork.

Antioch, California, United States

• Performed quality assurance checks on all machined parts are within specified tolerances.• Recalibrate CNC offset to compensate changes in measured dimension of finished parts.• Performed machining duties on manual lathe, mill, presses, bandsaw or CNC variants as required based on provided mechanical drawings• Performed mechanical subassemblies and final assembly of products for packaging and delivery.• Providing instructions, training, and prioritize workflow for other machinists to meet company deadlines.. • Maintain and track company inventory and supply usage• Generating purchase orders to bolster or replenish inventory as necessary.• Handle receiving; including ensuring accurate dimensions of received goods and exact quantity.• Generating company work orders and filing job cards.• Mig Welding up to ¼ inch steel and aluminum.• Setting up jigs and fixtures as required.• Routine machine safety and environmental hazard inspection and maintenance.

Santa Cruz, California, United States

• Solder Through-Hole components & test the boards with a DC power supply• Visually inspect solder connections under microscope.• Using an oscilloscope in tandem with a multi-meter to probe faults on the boards.

Santa Cruz, California, United States

• Repairing test equipments in the laboratories by referencing manufacturers’ product manuals, studying circuit diagrams and components identification to replace faulty components.• Diagnosing broken test equipment with probes and an oscilloscope to trace down failed components• Rework faulty boards at a rework station.• Handled account distribution for creating accounts by enabling access to computer software for staff and students as well as the removal of accounts. Regular IT support, hardware and software.• Upgrading computer hardware and deploying a master image across all of Baskin quarterly.• Responding to ticket system requests to install software or rig new hardware for staff and students.