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: 2026-06-10
Updated: 2026-06-10

Found email addresses for James Castillo:

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

Found phone for James Castillo:

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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

Frequently Asked Questions

What is James Castillo's email address?

SignalHire found verified email addresses for James Castillo, both business and personal. Their business email is j*******o@netronixint.com, and personal emails include c**************3@gmail.com, and j*************3@gmail.com.

What is James Castillo's phone number?

SignalHire found a verified phone number for James Castillo: +1-***-***-8569.

How do I contact James Castillo at Tech Systems Inc. (TSi)?

You can reach James Castillo through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is James Castillo's professional background?

James Castillo has 10 years of professional experience. They have held roles including Tier 1 Professional Services Engineer, Application Engineer, and Service Specialist II at companies such as Tech Systems Inc. (TSi), Pavion, and Convergint. Their education includes valley view high school.

Is James Castillo's contact information up to date?

Yes. James Castillo's SignalHire profile was last updated on 10 June 2026, reflecting their current position as Tier 1 Professional Services Engineer at Tech Systems Inc. (TSi) in Buford, GA, United States.

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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