Summary
Overview
Work History
Education
Skills
Key Projects
Timeline
Generic

Derek Pearson

Phoenix,AZ

Summary

Experienced Building Engineer with over 20 years of expertise in commercial real estate operations, specializing in HVAC, electrical, and plumbing systems. Proven track record of leading engineering teams, managing vendor contracts, and overseeing preventive maintenance programs that maximize efficiency and minimize downtime. Skilled in building automation systems (BAS), capital planning, and compliance with safety and environmental standards. Adept at troubleshooting complex mechanical issues, providing excellent tenant service, and delivering cost-effective solutions that extend asset life and improve building performance.

Overview

24
24
years of professional experience

Work History

Lead Engineer

Mainstreet Capital
05.2019 - Current
  • Direct daily operations of building mechanical, electrical, plumbing, and HVAC systems to ensure peak performance, safety, and regulatory compliance.
  • Lead, train, and mentor engineering staff while delegating tasks, setting priorities, and monitoring quality of work across multiple facilities.
  • Oversee vendor relationships, contracts, and project execution for critical building services including HVAC, fire life safety, and energy management.
  • Develop, implement, and manage preventive and predictive maintenance programs to extend asset life and reduce unplanned downtime.
  • Collaborate with property management and ownership to prepare budgets, track expenses, and recommend capital improvement projects.
  • Manage tenant service requests, resolve building issues efficiently, and maintain strong client relationships through responsive, high-quality support.

Building Engineer

RiverRock Real Estate Group
05.2008 - 05.2019
  • Responded to service calls across multiple commercial buildings, performing a wide range of maintenance and repair tasks.
  • Serviced and maintained water source heat pumps, package and split system heat pumps, and boxcar A/C units.
  • Contained and resolved water damage issues related to roof leaks, HVAC condensate lines, and closed-loop piping for water source heat pumps.
  • Repaired and maintained air handlers and makeup air units to ensure consistent building performance.
  • Replaced and repaired restroom equipment, including Sloan valves, automatic flush valves, faucets, and shut-off valves.
  • Performed preventive and corrective maintenance on bearings, pumps, shafts, and fans to extend equipment life and reduce downtime.

Building Engineer

ABM Engineering Services
01.2005 - 05.2008
  • Oversaw repair, replacement, installation, testing, and maintenance of building A/C, plumbing, and electrical systems.
  • Managed critical spare parts inventory and provided after-hours on-call support.
  • Performed equipment repairs and calibrations using precision measuring instruments.
  • Diagnosed mechanical issues and implemented effective corrective solutions.

HVAC Technician

Ascentia Engineering
01.2002 - 01.2005
  • Responded to service calls to troubleshoot and repair light to heavy industrial and commercial A/C systems, including compressor motor replacements, fan motor repairs, refrigerant leak detection, and electrical control issues.
  • Performed preventive maintenance such as water treatment for closed loops and cooling towers, greasing bearings, aligning and replacing belts on air handlers, changing filters, and cleaning evaporator and condenser coils.
  • Delivered building engineering services for commercial buildings and hospitals across Ventura, Los Angeles, and Riverside counties.
  • Completed a wide range of HVAC, electrical, and plumbing tasks, including ballast and light bulb replacement as well as thermostat and sensor calibration.

Education

HVAC-R Program

Cypress College
Cypress, CA
01-2005

Universal EPA Recovery License
Costa Mesa, CA
01-2005

HVAC-R

North ROP Vocation HVAC-R
Anaheim, CA
01-2001

Water Treatment Certificate
Anaheim, CA
01-2001

Skills

  • HVAC service
  • Service requests
  • Team oversight
  • Service scheduling
  • Facilities oversight
  • Maintenance scheduling
  • Incident response
  • Preventative maintenance
  • Project planning
  • System troubleshooting
  • Electrical systems

Key Projects

  • Fire & Smoke Control Panel Installation – Oversaw the installation and commissioning of life-safety fire and smoke control panels, ensuring compliance with NFPA codes and enhancing occupant safety across multiple properties.
  • 50-Ton AC Boxcar Unit Installation – Directed the replacement and installation of several 50-ton boxcar air conditioning units, coordinating contractors, crane lifts, and mechanical tie-ins to minimize tenant disruption.
  • 800-Ton Baltimore AirCoil Cooling Tower Refurbishment – Led the full refurbishment of an 800-ton cooling tower, including structural repairs, basin coating, fan replacement, and water treatment optimization to extend equipment life cycle.
  • High-Rise & Low-Rise Roof Replacements – Managed large-scale roof replacement projects across high-rise and low-rise buildings, coordinating with vendors and ensuring projects were delivered on time, within budget, and with minimal operational impact.
  • Spectrum Emergency Generator Radiator Refurbishment – Directed the refurbishment of a critical generator radiator system for facilities, ensuring uninterrupted backup power availability and compliance with reliability standards.
  • Main SES Panel Refurbishment Due to Arc Flash Damage – Spearheaded emergency refurbishment of a building’s main switchgear (SES Panel) following arc flash damage, restoring electrical distribution safely while implementing enhanced safety protocols.

Timeline

Lead Engineer

Mainstreet Capital
05.2019 - Current

Building Engineer

RiverRock Real Estate Group
05.2008 - 05.2019

Building Engineer

ABM Engineering Services
01.2005 - 05.2008

HVAC Technician

Ascentia Engineering
01.2002 - 01.2005

HVAC-R Program

Cypress College

Universal EPA Recovery License

HVAC-R

North ROP Vocation HVAC-R

Water Treatment Certificate

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