What departments does Sierra Circuits have?

Sierra Circuits has employees across 17 departments including Human Resources, Media & Communications, Engineering, Manufacturing, Accounting.

What is the largest department at Sierra Circuits?

The largest department at Sierra Circuits is Engineering with 7 employees.

Where are Sierra Circuits employees located globally?

Sierra Circuits has employees across 4 continents and 6 countries including India, Pakistan, United Kingdom Of Great Britain And Northern Ireland, United States Of America, Canada.

How has Sierra Circuits's team size changed over time?

Sierra Circuits's team has decreased from approximately 529 to 344 employees based on available data.

Sierra Circuits Employee Directory

Computers and Electronics ManufacturingCalifornia, United States201-500 Employees

Sierra Circuits, based in Sunnyvale, California, operates in the computers and electronics manufacturing industry, with a focus on PCB manufacturing and assembly and High-Density Interconnect technology. The company provides end-to-end PCB production services, covering design, layout, assembly, and manufacturing, with a single point of contact for customers. Founded in 1986, Sierra Circuits has served more than 20,000 customers and employs between 201 and 500 people. It holds ISO 9001:2008, ISO 13485:2003, and Mil-Spec MIL-P-55110 certifications. The business is described as family-run and minority and women-owned. Its address is 1108 West Evelyn Avenue, Sunnyvale, CA 94086, United States, and its website is https://protoexpress.com.

Sierra Circuits Global Highlights

North America
277

United States Of America
273
Canada
4

Asia
232

India
230
Pakistan
2

Europe
1

United Kingdom Of Great Britain And Northern Ireland
1

Oceania
1

Australia
1

Sierra Circuits's Leadership

K. B.
Chief Executive Officer
Mobile Phone
Email
K. M.
Head Of Training
Mobile Phone
Email
M. Y.
Editor In Chief
Mobile Phone
Email
J. M.
Vice President
Mobile Phone
Email
G. K.
Global Director Engineering
Mobile Phone
Email
J. S.
Director Of Manufacturing
Mobile Phone
Email
S. M.
Director - Software Development & Infrastructure
Mobile Phone
Email
L. J.
Accounting Director
Mobile Phone
Email

Sierra Circuits Employee Metrics

100%

50%

0%

2026

2025

Engineering
Sales
Customer Success
Program & Project Management
Quality Assurance
Other
Human Resources
Analytics
Administrative
Arts & Design

Contact profiles from Sierra Circuits

Name

Title

Contact

Location

Last Update

D. T.
Purchasing Warehouse Manager
Mobile Phone
Email
Nov 01, 2025
G. M.
Manager -Cam And Planning
Mobile Phone
Email
India, Karnataka
Feb 10, 2026
L. P.
Plating And Surface Finishes Supervisor
Mobile Phone
Email
Oct 17, 2024
N. R.
Manager, Human Resource
Mobile Phone
Email
Australia
Aug 02, 2024
P. N.
Manager, Purchasing & Warehouse
Mobile Phone
Email
Oct 24, 2024
P. S.
Deputy General Manager
Mobile Phone
Email
Oct 21, 2024
R. A.
Manager , Human Resources
Mobile Phone
Email
Oct 22, 2024
R. T.
Maintenance And Facilities Manager
Mobile Phone
Email
Oct 21, 2024
V. T. B.
Cam / Planning Supervisor
Mobile Phone
Email
Canada, British Columbia
Feb 12, 2025
M. P.
Software Engineering Team Lead
Mobile Phone
Email
India, Goa
Dec 13, 2025

Frequently Asked Questions

What is Sierra Circuits known for?

Sierra Circuits was founded in 1986 and operates in the Computers and Electronics Manufacturing industry. You can contact Sierra Circuits's main corporate office by phone at

+1-408-735-****

. Explore Sierra Circuits's company overview page for more information.

What is Sierra Circuits's most common email format?

Sierra Circuits employees' email format typically follows the pattern of FirstL@protoexpress.com. Trying to find reliable and up-to-date employee contact data? Find more Sierra Circuits email formats with LeadIQ.

How many employees does Sierra Circuits have currently?

Sierra Circuits has approximately 490 employees as of October 2026. These team members are located across 4 continents, including North America, Asia and Europe.

Who are Sierra Circuits's key employees and leadership?

As of October 2026, Sierra Circuits's key employees include:

Chief Executive Officer: K. B.
Head Of Training: K. M.
Editor In Chief: M. Y.
Vice President: J. M.
Global Director Engineering: G. K.

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Sierra Circuits Employee Directory

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