James Castillo

James Castillo: Email & Phone Number

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Tier 1 Professional Services Engineer at Tech Systems Inc. (TSi)|Round Rock, Texas, United States

Position:

Tier 1 Professional Services Engineer at Tech Systems Inc. (TSi)

Location:

Round Rock, Texas, United States

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Last updated: 2026-07-21
Updated: 2026-07-21

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Business emails:
Personal emails:
j*************3@gmail.com

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Work Experience 10 years

Tier 1 Professional Services Engineer at Tech Systems Inc. (TSi)

Feb 2026 - Current

Tier 1 Professional Services Engineer at Tech Systems Inc. (TSi)

Feb 2026 - Current

Application Engineer at Pavion

Nov 2023 - Feb 2026

Service Specialist II at Convergint

Mar 2021 - Nov 2023

Service Technician II at TRL Systems, Inc.

Apr 2019 - Mar 2021

Service Technician at IE Alarm Systems

Aug 2016 - Apr 2019

James Castillo started working in 2016, then the employee has changed 4 companies and 4 jobs. On average, James Castillo works for one company for 1 year 8 months.

Their professional focus is Access Control, Burglar Alarm, and Customer Service across 3 core areas.

Education

valley view high school

James Castillo Namesakes

Name
Company
Position
James Castillo
Customer service planner
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James Castillo
Physical Therapist
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James Castillo
Treasury Specialist
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