Field Service Technician
Current
Jul 2021 - Present
AeroLeads people directory · profile
John Castanon Email & Phone Number
Low Voltage Technician
at
Granite Telecommunications
LinkedIn matched
✓ Verified July 2026
3 data sources
Profile completeness 86%
Current company
Role
Low Voltage Technician
Location
Riverside, California, United States
Company size
Who is John Castanon? Overview
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Quick answer
John Castanon is listed as Low Voltage Technician at Granite Telecommunications, a with 2062 employees, based in Riverside, California, United States. AeroLeads shows a matched LinkedIn profile for John Castanon.
John Castanon previously worked as Field Service Technician at Granite Telecommunications and Field Service Technician at Asd Systems. John Castanon studied at Riverside City College.
Company email context
Email format at Granite Telecommunications
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Granite Telecommunications
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Profile bio
About John Castanon
John Castanon is a Low Voltage Technician at Granite Telecommunications.
Current workplace
John Castanon's current company
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Granite Telecommunications
6 roles
John Castanon work experience
A career timeline built from the work history available for this profile.
Field Service Technician
Current
Sep 2020 - Present
Low Voltage Technician
Current
Mar 2020 - Present
Field Technician
Current
Mar 2020 - Present
Brown Communications
Current
Freelance
Sep 2017 - Present
Field Technician
May 2017 - Oct 2020
Team & coworkers
Colleagues at Granite Telecommunications
Other employees you can reach at granitenet.com. View company contacts for 2062 employees →
WE
William Ensign
Colleague at Granite TelecommunicationsSouth Easton, Massachusetts, United States
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BR
Boyan Roussinov
Colleague at Granite TelecommunicationsGreater Boston, United States
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KE
Karine Ernest
Colleague at Granite TelecommunicationsMilton, Massachusetts, United States
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JM
Jodi Manni
Colleague at Granite TelecommunicationsProvidence County, Rhode Island, United States
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DS
Deb Spillane
Colleague at Granite TelecommunicationsGreater Boston, United States
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AD
Adil Dhouhi
Colleague at Granite TelecommunicationsSomerville, Massachusetts, United States
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MT
Melano Theork
Colleague at Granite TelecommunicationsGreater Boston, United States
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DM
Don Macarthur
Colleague at Granite TelecommunicationsBillerica, Massachusetts, United States
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JB
Joseph Bellamy
Colleague at Granite TelecommunicationsMurfreesboro, Tennessee, United States
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SM
Stephanie Macdonald
Colleague at Granite TelecommunicationsQuincy, Massachusetts, United States
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William Ensign
Colleague at Granite TelecommunicationsSouth Easton, Massachusetts, United States
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BR
Boyan Roussinov
Colleague at Granite TelecommunicationsGreater Boston, United States
View →
KE
Karine Ernest
Colleague at Granite TelecommunicationsMilton, Massachusetts, United States
View →
JM
Jodi Manni
Colleague at Granite TelecommunicationsProvidence County, Rhode Island, United States
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DS
Deb Spillane
Colleague at Granite TelecommunicationsGreater Boston, United States
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AD
Adil Dhouhi
Colleague at Granite TelecommunicationsSomerville, Massachusetts, United States
View →
MT
Melano Theork
Colleague at Granite TelecommunicationsGreater Boston, United States
View →
DM
Don Macarthur
Colleague at Granite TelecommunicationsBillerica, Massachusetts, United States
View →
JB
Joseph Bellamy
Colleague at Granite TelecommunicationsMurfreesboro, Tennessee, United States
View →
SM
Stephanie Macdonald
Colleague at Granite TelecommunicationsQuincy, Massachusetts, United States
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1 education record
John Castanon education
FAQ
Frequently asked questions about John Castanon
Quick answers generated from the profile data available on this page.
What company does John Castanon work for?
John Castanon works for Granite Telecommunications.
What is John Castanon's role at Granite Telecommunications?
John Castanon is listed as Low Voltage Technician at Granite Telecommunications.
Where is John Castanon based?
John Castanon is based in Riverside, California, United States while working with Granite Telecommunications.
What companies has John Castanon worked for?
John Castanon has worked for Granite Telecommunications, Asd Systems, Sg Network Services, Core Technology Solutions, and Freelance.
Who are John Castanon's colleagues at Granite Telecommunications?
John Castanon's colleagues at Granite Telecommunications include William Ensign, Boyan Roussinov, Karine Ernest, Jodi Manni, and Deb Spillane.
How can I contact John Castanon?
You can use AeroLeads to view verified contact signals for John Castanon at Granite Telecommunications, including work email, phone, and LinkedIn data when available.
What schools did John Castanon attend?
John Castanon studied at Riverside City College.
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