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.
Sample profileFictional example — Alex Chen, Field Service Technician
alex@seattle:~$whoami
# senior_field_service_technician_·_hvac_controls,_networking,_pos_·_epa_608_·_osha_30
Alex Chen
Senior Field Service Technician · HVAC controls, networking, POS · EPA 608 · OSHA 30
Six years keeping commercial sites running — restaurants, clinics, retail.
- open_to:
- Full-time, Contract, Senior / lead tech roles
- location:
- Seattle, WA · Open to relocation
About
alex@seattle:~$cat about.md
Strong diagnostician, clean documentation, and the customer-side communication that turns one-off calls into long-term accounts.
Service Numbers
alex@seattle:~$metrics service_numbers
ValueMetricNote
2,400+Service callsAcross 6 years
98.4%First-visit fix rateIndustry avg. 78%
0Safety incidentsLast 1,500 days
4.96/5Customer ratingVerified post-job
First-Visit Fix Rate
alex@seattle:~$plot first_visit_fix_rate.csv
- '21: 88
- '22: 91
- '23: 93.5
- '24: 96
- '25: 97.6
- '26: 98.4
# First-visit fix rate (%), 2021 → 2026
Performance by Year
alex@seattle:~$plot performance_by_year.csv
# Yearly first-visit fix rate (%)
Calls by Site Type
alex@seattle:~$plot calls_by_site_type.csv
- Restaurants3535%
- Retail3030%
- Clinics2020%
- Light industrial1515%
# 2,400+ calls across commercial site types
How I Work
alex@seattle:~$cat how_i_work.md
Customer-grade comms
Plain-English explanations, photo-documented work orders, and clean follow-up. Average post-job CSAT of 4.96/5 across 2,400+ calls.
Safety & compliance
OSHA 30, EPA 608 Universal, and Low-Voltage certified. Zero recordable incidents in 1,500+ days across rooftop, MDF, and live retail sites.
The Path
alex@seattle:~$git log --graph -- the_path
2023 — PresentSenior Field Service Technician(current, 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 — 2023Field 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 — 2021Junior 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
alex@seattle:~$ls certs_stack/
- EPA 608 Universal
- OSHA 30
- Low-Voltage Certified
- Cisco Meraki
- Ubiquiti UniFi
- ServiceTitan
- Tridium Niagara
- Fluke 87V
Word on the Street
alex@seattle:~$cat 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.
Our BAS was a black box until Alex re-mapped and documented every controller. Trouble tickets dropped 60% in the first quarter.
Highest first-visit fix rate on the team and the cleanest paperwork. Customers ask for callbacks just to thank us.
alex@seattle:~$./contact.sh
Schedule a 15-min interview
Open to full-time, contract, and senior/lead tech roles — Seattle or relocation.
alex@seattle:~$
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