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Joseph Barnes Email & Phone Number

Machine Techician at Sierra Circuits, Inc. at Sierra Circuits, Inc.
Location: San Jose, California, United States 2 work roles 2 schools
1 work email found @protoexpress.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email j****@protoexpress.com
LinkedIn Profile matched
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Current company
Sierra Circuits, Inc.
Role
Machine Techician at Sierra Circuits, Inc.
Location
San Jose, California, United States
Company size
284 employees

Who is Joseph Barnes? Overview

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Quick answer

Joseph Barnes is listed as Machine Techician at Sierra Circuits, Inc. at Sierra Circuits, Inc., a with 284 employees, based in San Jose, California, United States. AeroLeads shows a work email signal at protoexpress.com and a matched LinkedIn profile for Joseph Barnes.

Joseph Barnes previously worked as Machine Technician at Sierra Circuits, Inc. and Delivery Driver at Sierra Circuits. Joseph Barnes studied at De Anza College.

Company email context

Email format at Sierra Circuits, Inc.

This section adds company-level context without repeating Joseph Barnes's masked contact details.

*@protoexpress.com
71% confidence

AeroLeads found 1 current-domain work email signal for Joseph Barnes. Compare company email patterns before reaching out.

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Profile bio

About Joseph Barnes

Joseph Barnes is a Machine Techician at Sierra Circuits, Inc. at Sierra Circuits, Inc.. He possess expertise in cnc machine, hitachi, manufacturing, maintenance and repair, equipment maintenance and 2 more skills.

Listed skills include Cnc Machine, Hitachi, Manufacturing, Maintenance And Repair, and 3 others.

Current workplace

Joseph Barnes's current company

Company context helps verify the profile and gives searchers a useful next step.

Sierra Circuits, Inc.
Sierra Circuits, Inc.
Machine Techician at Sierra Circuits, Inc.
sunnyvale, california, united states
Website
protoexpress.com
Employees
284
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Company profile
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2 roles

Joseph Barnes work experience

A career timeline built from the work history available for this profile.

Machine Technician

Current
Sierra Circuits, Inc.

Tests, troubleshoots and repairs PCB Equipment: CNC, Hitachi, Micronics, Plasma, Pluritec, Sieb-Meyer, and IS Deburrer for the Drilling Department.

Aug 2010 - Present

Delivery Driver

Sierra Circuits

Establish and perform delivery and pick up routes for orders to customers and/or vendors.

Feb 2010 - Aug 2010
Team & coworkers

Colleagues at Sierra Circuits, Inc.

Other employees you can reach at protoexpress.com. View company contacts for 284 employees →

RS Rohit Salelkar Rohit Salelkar Colleague at Sierra Circuits, Inc.Goa, India View → MR Manasa Ramisetty Manasa Ramisetty Colleague at Sierra Circuits, Inc.Bengaluru, Karnataka, India View → VP Vikram.Patil Patil Vikram.Patil Patil Colleague at Sierra Circuits, Inc.Bengaluru, Karnataka, India View → BK Bharath Kumar Bharath Kumar Colleague at Sierra Circuits, Inc.Bengaluru, Karnataka, India View → AB Amit Bahl Amit Bahl Colleague at Sierra Circuits, Inc.Sunnyvale, California, United States View → DL David Lees David Lees Colleague at Sierra Circuits, Inc.Sunnyvale, California, United States View → VC Vinay Cs Vinay Cs Colleague at Sierra Circuits, Inc.Bengaluru, Karnataka, India View → VA Vinoth Anbazhagan Vinoth Anbazhagan Colleague at Sierra Circuits, Inc.Bengaluru, Karnataka, India View → MG Murali Gutla Murali Gutla Colleague at Sierra Circuits, Inc.Bengaluru, Karnataka, India View → TN Tracy Nguyen Tracy Nguyen Colleague at Sierra Circuits, Inc.Sunnyvale, California, United States View →
2 education records

Joseph Barnes education

High School Diploma

San Jose Conservation Corps Charter
FAQ

Frequently asked questions about Joseph Barnes

Quick answers generated from the profile data available on this page.

What company does Joseph Barnes work for?

Joseph Barnes works for Sierra Circuits, Inc..

What is Joseph Barnes's role at Sierra Circuits, Inc.?

Joseph Barnes is listed as Machine Techician at Sierra Circuits, Inc. at Sierra Circuits, Inc..

What is Joseph Barnes's email address?

AeroLeads has found 1 work email signal at @protoexpress.com for Joseph Barnes at Sierra Circuits, Inc..

Where is Joseph Barnes based?

Joseph Barnes is based in San Jose, California, United States while working with Sierra Circuits, Inc..

What companies has Joseph Barnes worked for?

Joseph Barnes has worked for Sierra Circuits, Inc. and Sierra Circuits.

Who are Joseph Barnes's colleagues at Sierra Circuits, Inc.?

Joseph Barnes's colleagues at Sierra Circuits, Inc. include Rohit Salelkar, Manasa Ramisetty, Vikram.Patil Patil, Bharath Kumar, and Amit Bahl.

How can I contact Joseph Barnes?

You can use AeroLeads to view verified contact signals for Joseph Barnes at Sierra Circuits, Inc., including work email, phone, and LinkedIn data when available.

What schools did Joseph Barnes attend?

Joseph Barnes studied at De Anza College.

What skills is Joseph Barnes known for?

Joseph Barnes is listed with skills including Cnc Machine, Hitachi, Manufacturing, Maintenance And Repair, Equipment Maintenance, Equipment Repair, and Uni Line.

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