Herman Williams
Vallejo
Summary
Highly skilled Production Leader and Electro-Mechanical Technician with over 30 years of experience in Aerospace, Biotech, Rail, and Electronics manufacturing. Proven professional progressing from technical assembly to Production Management. Specialist in precision micro-soldering, prototype development, R&D support, and high-stakes inventory logistics. Skilled professional in interpreting complex schematics and maintaining 100% compliance.
Overview
39
39
years of professional experience
Work History
Precision Valve & Regulator Assembler
Advance Pressure Technology
01.2020 - 07.2025
- Assembled high-pressure regulators and fluid control devices using specialized hand tools and calibrated equipment.
- Performed various testing methods to verify seal integrity and functional performance, ensuring zero-defect output.
Railcar Production Mechanic
Hitachi Rail USA, Inc
04.2018 - 10.2019
- Interpreted complex engineering prints and electrical schematics to install interior railcar components.
- Executed installation of lighting fixtures and electrical subsystems, ensuring strict wire management and safety.
- Installed safety-critical hardware (handrails, seating) in compliance with passenger safety regulations.
Production Worker
Ghiringhelli Specialty Foods
01.2018 - 04.2018
- Operated industrial cutting and processing machinery for large-scale ingredient preparation.
- Maintained rigorous sanitation and food safety guidelines to prevent cross-contamination.
Vehicle Processor
Inter-Rail
07.2017 - 01.2018
- Off-loaded and staged vehicles arriving via maritime transport, ensuring organized flow to designated processing zones.
- Operated in high-traffic port environments, adhering to strict safety protocols to prevent damage and maintaining zero-incidents.
Remanufacturing Technician
Benicia Fabrication & Machine
05.2017 - 07.2017
- Restored large-scale industrial heat exchangers for major energy firms (Shell, Chevron, Valero).
- Utilized compressed air tools and precision measuring instruments for complex unit reassembly.
- Conducted structural inspections to ensure leak-proof performance in high-pressure environments.
Aerospace Machinist & Assembly Technician
UTC Aerospace
04.2015 - 03.2017
- Operated CNC lathes and drill presses to machine propellant grains to exacting tolerances, ensuring 100% adherence to aerospace-grade print specifications.
- Utilized precision measuring instruments (micrometers, calipers, depth gauges) to verify component dimensions and ensure flight-readiness.
- Assisted in the complex assembly and disassembly of rocket motors, following strict sequential protocols and engineering drawings.
- Maintained a perfect safety record while working with energetic materials and sensitive aerospace hardware.
Vehicle Processor
Inter-Rail
02.2012 - 03.2015
- Off-loaded and staged vehicles arriving via maritime transport, ensuring organized flow to designated processing zones.
- Operated in high-traffic port environments, adhering to strict safety protocols to prevent damage and maintaining zero-incidents.
Aviation Asset Recovery & Scrap Material Handler
Rolls Royce
09.2008 - 01.2012
- Managed decommissioning of aviation components (Q, E, and C categories) based on "close date" protocols.
- Monitored scrap flow via Bata Max, ensuring 100% digital record accuracy for auditing.
- Maintained organizational systems for scrap filing aligned with FAA and environmental standards.
Material Handler
Bio-Rad
07.2005 - 08.2008
- Served as the primary point of contact for the production floor, ensuring 100% "part availability" to prevent assembly line downtime and meet daily unit build targets.
- Performed daily cycle counts of mechanical and shipping parts to identify and resolve discrepancies.
Assembler 2/ Production Manager
Berkeley Nucleonics Corporation
02.1997 - 06.2005
- Rapidly progressed from an entry-level assembly role to managing the Production Department within 4 years.
- Managed the engineering team and analog technicians, assisting in the transition of technical schematics into finalized, calibrated electronic units.
- Mastered the intricate assembly of electronic instruments, maintaining strict tolerances required for measurement and nuclear electronics.
- BNC no longer does manufacturing in San Rafael.
Electro-Mechanical Assembler
Systrom Donner
12.1996 - 01.1997
- Expertly soldered micro-components onto PC boards (PCBs) using high-powered microscopes, ensuring bond integrity and electrical connectivity in high-density layouts.
- Utilized complex engineering prints, wiring diagrams, and mechanical drawings to build intricate sub-assemblies from the ground up.
Electro-Mechanical Assembler
Business Records Corp
04.1991 - 10.1994
- Assembled voting tabulation units, integrating sensitive PC boards and complex sub-assemblies into heavy-duty chassis.
- Conducted rigorous point-to-point inspections of harnesses to meet government security standards.
- Utilized a wide array of precision hand and power tools (torque drivers, crimpers, and calipers) to ensure all hardware was secured.
- Maintained detailed build-logs and serial number tracking for every component installed in the tabulation units.
Electro-Mechanical Assembler (R&D Support)
Bio-Rad
07.1989 - 03.1991
- Fabricated laboratory instruments using precision plastics, sheet metal, and electronics.
- Assisted engineers in building initial prototypes and provide feedback on manufacturability.
- Designed and constructed custom test jigs and circuits based on engineering specifications.
Machine Operator & PCB Technician
S.B.E Electronics
03.1986 - 04.1989
- Operated SMT and Wave Solder machines for high-volume PCB production runs.
- Restored boards failing automated inspection through manual "touch-up" and precision rework.
Education
High School Diploma - Mechanics & Machine Shop
Richmond High School
Richmond, CASkills
- Tools: Torque wrenches, compressed air tools, micrometers, calipers, depth gauges, power tools
- Systems: Bata Max, ERP Inventory Systems, Windows/MS Office
- Processes: Refurbishment & Overhaul, Lean Manufacturing, Asset Recovery, Secure Systems Assembly
- Assembly and production
Timeline
Precision Valve & Regulator Assembler
Advance Pressure Technology
01.2020 - 07.2025
Railcar Production Mechanic
Hitachi Rail USA, Inc
04.2018 - 10.2019
Production Worker
Ghiringhelli Specialty Foods
01.2018 - 04.2018
Vehicle Processor
Inter-Rail
07.2017 - 01.2018
Remanufacturing Technician
Benicia Fabrication & Machine
05.2017 - 07.2017
Aerospace Machinist & Assembly Technician
UTC Aerospace
04.2015 - 03.2017
Vehicle Processor
Inter-Rail
02.2012 - 03.2015
Aviation Asset Recovery & Scrap Material Handler
Rolls Royce
09.2008 - 01.2012
Material Handler
Bio-Rad
07.2005 - 08.2008
Assembler 2/ Production Manager
Berkeley Nucleonics Corporation
02.1997 - 06.2005
Electro-Mechanical Assembler
Systrom Donner
12.1996 - 01.1997
Electro-Mechanical Assembler
Business Records Corp
04.1991 - 10.1994
Electro-Mechanical Assembler (R&D Support)
Bio-Rad
07.1989 - 03.1991
Machine Operator & PCB Technician
S.B.E Electronics
03.1986 - 04.1989
High School Diploma - Mechanics & Machine Shop
Richmond High School