STEPHEN MCKENZIE
Lanoka Harbor,NJ
Summary
Seasoned Lead Field Commissioning Specialist with expertise in remote commissioning and operational verification for commercial, industrial, and data center facilities. Skilled in functional testing, sequence of operations verification, and system integration for complex Building Management Systems. Dedicated to leading field operations and ensuring the successful launch of critical mechanical and electrical systems.
Overview
1
1
Certification
17
17
years of professional experience
Work History
Senior Lead Field Commissioning Engineer
COMMERCIAL & INDUSTRIAL BUILDING AUTOMATION
, New Jersey
01.2010 - Current
- Travel to commercial, industrial, and mission-critical job sites to execute on-site field commissioning, point-to-point checkouts, and functional system verification.
- Directed central utility plant cutovers, verifying mechanical interlocks for chillers, boilers, and air handling equipment to ensure operational readiness.
- Perform physical and electrical diagnostics on 4–20 mA control loops, field devices, control panels, actuators, dampers, and variable frequency drives (VFDs).
- Troubleshoot multi-vendor network communications and polling telemetry across BACnet and Modbus field networks directly at the controller and supervisory levels.
- Validated sequence of operations against engineering drawings, mechanical P&IDs, and control schematics, ensuring compliance during active site startup phases.
- Generated and completed field validation protocols, functional test scripts, and operational verification reports, enhancing documentation accuracy on-site.
Education
Diploma - HVAC/R & Controls
Ocean County Vocational Technical School
Brick township , NJSkills
- Category: Field Commissioning & Startup, Competencies: Functional verification, Operations testing, Point-to-Point Checkout, System Integration, Acceptance testing
- Category: Systems & Architecture, Competencies: Building Management Systems (BMS), Johnson Controls Metasys, BACnet (IP/MSTP), Modbus, Liquid Cooling / CDU Systems, Utility plants, AHUs, VAVs
- Commissioning protocols
- Functional testing
- Control loop diagnostics
- Category: Field Instrumentation, Competencies: 4–20 mA Current Loops, Low-Voltage Control Panels, Actuators, VFDs, Sensor Calibration, P&ID Schematics, Control wiring
Personal Information
Title: LEAD FIELD COMMISSIONING ENGINEER
Certification
- Advanced Controls & Programming Certification — Johnson Controls Technical Training Center, Baltimore, MD
- EPA Universal Refrigerant Handling Certification — Clean Air Act Section 608
Timeline
Senior Lead Field Commissioning Engineer
COMMERCIAL & INDUSTRIAL BUILDING AUTOMATION
01.2010 - Current
Diploma - HVAC/R & Controls
Ocean County Vocational Technical School