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Field Service · Commercial Systems

Alex Chen

Senior Field Service Technician · HVAC controls, networking, POS · EPA 608 · OSHA 30

Six years keeping commercial sites running — restaurants, clinics, retail. Strong diagnostician, clean documentation, and the customer-side communication that turns one-off calls into long-term accounts.

Schedule an interview Email me
Seattle, WA · Open to relocation linkedin.com/in/alex-chen-tech

Field-ready since 2019

Currently

Open to full-time or contract

2,400+

Service calls

Across 6 years

98.4%

First-visit fix rate

Industry avg. 78%

0

Safety incidents

Last 1,500 days

4.96/5

Customer rating

Verified post-job

Why hire me

Reliable in the field. Clear off it.

Diagnose fast, fix once

Strong root-cause habits — meter, scope, log, then act. 98.4% first-visit fix rate on networking, HVAC controls, and POS hardware.

Customer-grade comms

Plain-English explanations, photo-documented work orders, and clean follow-up. Average post-job CSAT of 4.96/5 across 2,400+ calls.

Safety & compliance

OSHA 30, EPA 608 Universal, and Low-Voltage certified. Zero recordable incidents in 1,500+ days across rooftop, MDF, and live retail sites.

Results

First-visit fix rate over time.

Tracked across every ticket I close. Driver: standardized truck stock, pre-call diagnostics, and a personal playbook of the 50 most common failures by site type.

MTTR
2.6h

Down from 4.2h

SLA hit
99.1%

Priority-1 tickets

First-visit fix rate

98.4%

2021 → 2026

'21'22'23'24'25'26

Experience

Roles & impact.

2023 — Present

Senior Field Service Technician

NorthPeak Technical Services

  • Lead tech on 40+ commercial accounts — restaurants, retail, light industrial
  • Cut average mean-time-to-repair from 4.2h to 2.6h via standardized truck stock and pre-call diag
  • Mentor 3 junior techs; built internal troubleshooting playbook used company-wide

2021 — 2023

Field Service Technician II

Brightline Systems

  • Serviced HVAC controls, network gear, and POS hardware across 120+ sites in the metro
  • Maintained 99% SLA compliance on priority-1 tickets over 24 months
  • Selected for after-hours on-call rotation handling P0 outages

2019 — 2021

Junior Technician

MetroTech Repair

  • Apprenticed under master tech on commercial refrigeration and low-voltage cabling
  • Completed 600+ break/fix tickets with 96% first-visit resolution
  • Earned EPA 608 Universal and OSHA 30 certifications during first year

Tools

What I run jobs with.

Fluke 87VCisco MerakiUbiquiti UniFiServiceTitanSalesforce Field ServiceTridium NiagaraHoneywell WEBsWireshark

Core competencies

What I'm fluent in.

  • Network troubleshooting
  • HVAC controls & BAS
  • Low-voltage cabling
  • POS hardware & peripherals
  • Commercial refrigeration
  • Preventive maintenance
  • Root-cause analysis
  • Customer communication

Recommendations

What customers & coworkers say.

"Alex is the tech we ask for by name. He shows up, fixes it the first time, and explains what happened in a way our store managers actually understand."

Priya Raman

Ops Director, Coastline Grocers (32 stores)

"Our BAS was a black box until Alex re-mapped and documented every controller. Trouble tickets dropped 60% in the first quarter."

Derek Holloway

Facilities Manager, Cedar Health Clinics

"Highest first-visit fix rate on the team and the cleanest paperwork. Customers ask for callbacks just to thank us."

Sara Nguyen

Dispatch Lead, NorthPeak Technical Services

Need a tech who fixes it the first time?

I'm open to senior field service, lead tech, or service supervisor roles.

Schedule a 15-min interview alex.chen.tech@example.com