Overview
Work History
Timeline
SalesAssociate
David Stern

David Stern

Field Service Technician II
Tucson,AZ

Overview

27
27
years of professional experience

Work History

CEO and Owner

Blue Coral Construction LLC
Ocean Isle Beach, NC
09.2020 - Current
  • Company Overview: Started Blue Coral Construction, LLC a North Carolina Company
  • The business model is to Locate, Purchase, Rehab, and Resell dilapidated properties primarily along the Carolina coast
  • Furloughed (May 1, 2020 from the previous employer (Airgas West, USA) due to Covid
  • Work well with contractors to ensure all projects are completed on time and with high quality
  • Completed and or repaired all residential plumbing including PVC, Copper and Pex
  • Estimating inventories IE: Flooring, doorknobs, kitchen cabinets, etc
  • High confidence in residential electricity
  • Excellent mathematical skills
  • Safety is always the priority at work and home
  • Established rapport with Banks, Agents, contractors and customers to achieve proper marketing and sales
  • Started Blue Coral Construction, LLC a North Carolina Company
  • The business model is to Locate, Purchase, Rehab, and Resell dilapidated properties primarily along the Carolina coast

Field Service Technician II

Airgas
Phoenix, AZ
08.2017 - 05.2020
  • Performs installation, preventative maintenance and repairs on bulk gas delivery systems
  • Maintained company vehicle, tools, and truck inventory to respond to customer needs in a timely manner
  • Installed manifolds for use with high-pressure gas cylinders
  • WTTI (Welder Training & Testing Institute) Brazing certification
  • CGA M-1 certified bulk medical gas systems installer
  • (NFPA 55 Section 8.5.1.1(3)
  • Perform site surveys at prospective customer locations to determine installation routes and procedures to aid with engineering design
  • Installed, maintained and repaired bulk cryogenic pads for LN2, LOX, LH2, CO2, and NH3
  • Excellent electromechanical skills including troubleshooting 24vdc to 480v 3 phase systems
  • Moderate PLC (programmable logic controls) troubleshooting, programming and installation skills on ABB, Siemens, Allen Bradley and Horner brands

Field Service Technician II

Clean Energy Fuels
Tempe, AZ
07.2008 - 08.2017
  • Responsible for efficiently maintaining, troubleshooting, and repairing all systems involving compressed natural gas fueling for vehicular use
  • Efficiently plan and execute preventive maintenance
  • Commissioning and performance monitoring of natural gas reciprocating compressors and associated industrial controls
  • Analyzed daily flow and product usage via SCADA/HMI systems at customer facilities to ensure proper equipment function
  • Adjusted and repaired equipment as needed
  • Install, repair, and utilize Telemetry systems used to remotely monitor flow rates, gas pressure, system temperatures, and equipment faults
  • Install, program, troubleshoot, and replace PLC power supplies, input/output cards and CPUs for Allen Bradley, Siemens, and Horner brand PLCs
  • Install, program, troubleshoot, replace and calibrate as needed pressure transducers, temperature probes/sensors, relays, flow meters, and telemetry devices
  • VFD's (Variable Frequency Drives) soft start controllers (ABB, Siemens)
  • Proficient with electrical schematics, blueprints, and P&IDs (piping & instrument diagrams)
  • Electricity-Confidently experienced with low voltage DC up to 3 phase 480v circuits
  • Step-up/down transformers
  • Extensive knowledge of troubleshooting/rebuilding actuators (pneumatic/electric), reciprocating & screw compressors (air/natural gas), ball valves, manual valves, check valves, needle valves, relief valves, and pressure regulators
  • Utilizing compression and national pipe thread fittings when needed
  • SME (Subject Matter Expert) for all assigned customer sites (IE Wast Management CNG fleet, City of Scottsdale, Republic Waste)
  • Establishing excellent rapport with customer fleet managers and their personnel

Gas @ Chemical Service Tech

Air Products & Chemicals
Chandler, AZ
03.1998 - 07.2008
  • Safely supplied the semiconductor manufacturing industry with compressed specialty gases and Aqueous Chemicals
  • Intel, Chandler Campus
  • Performing preventive maintenance and repairs on all gas and chemical delivery systems including PLCs, pressure transducers, liquid levels switches, proximity sensors, AC/DC power supplies, check valves, fittings, pneumatic valves, and actuators
  • Taking daily readings from multiple sources including SCADA
  • Trending usage as to predict equipment maintenance or problems and repair as needed and used pressure, flow, and volume indicators to track and order inventory
  • Proficiently used P&IDs to troubleshoot and trace problems in components and electrical equipment
  • I helped develop standard operation procedures to improve quality and safety
  • Member of Intel Emergency Response Team (ERT)
  • Continuous Education (40 Hrs annually required by employer) including LO/TO, Confined space, OSHA Certification
  • Provided technical support during construction, startup, testing, system commissioning, and performance monitoring

Timeline

CEO and Owner

Blue Coral Construction LLC
09.2020 - Current

Field Service Technician II

Airgas
08.2017 - 05.2020

Field Service Technician II

Clean Energy Fuels
07.2008 - 08.2017

Gas @ Chemical Service Tech

Air Products & Chemicals
03.1998 - 07.2008

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David SternField Service Technician II