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Alex ChenFull-time · Seattle, WA · Open to relocation
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.
Service Numbers
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
First-Visit Fix Rate
First-visit fix rate (%), 2021 → 2026
Performance by Year
Yearly first-visit fix rate (%)
Calls by Site Type
Restaurants — 35
Retail — 30
Clinics — 20
Light industrial — 15
2,400+ calls across commercial site types
How I Work
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.
The Path
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
Certs & Stack
EPA 608 UniversalOSHA 30Low-Voltage CertifiedCisco MerakiUbiquiti UniFiServiceTitanTridium NiagaraFluke 87V
Word on the Street
★★★★★
"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
Schedule a 15-min interview
Open to full-time, contract, and senior/lead tech roles — Seattle or relocation.
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