
Sierra Proto Express, founded in 1986, delivers end‑to‑end PCB manufacturing and assembly, including high‑density interconnect, flex and rigid‑flex boards, and controlled‑impedance solutions. Leveraging ISO‑9001, ISO‑13485, and MIL‑P‑55110 certifications, the company guarantees quality, reliability, and single‑point support for over 20,000 designers and engineers worldwide. Its family‑run, minority‑ and women‑owned culture fosters collaboration and innovation, while ITAR compliance and advanced design‑to‑manufacture workflows reduce vendor friction and lead times. Sierra Proto Express is the trusted partner for high‑speed, Class 3, and semiconductor‑level PCB projects that demand precision and regulatory adherence.
The Quality Control Inspector is responsible for verifying that products manufactured by Sierra Circuits, Inc. meet the requirements of our customers using various inspection tools and inspection methods.
Sierra Proto Express, founded in 1986, delivers end‑to‑end PCB manufacturing and assembly, including high‑density interconnect, flex and rigid‑flex boards, and controlled‑impedance solutions. Leveraging ISO‑9001, ISO‑13485, and MIL‑P‑55110 certifications, the company guarantees quality, reliability, and single‑point support for over 20,000 designers and engineers worldwide. Its family‑run, minority‑ and women‑owned culture fosters collaboration and innovation, while ITAR compliance and advanced design‑to‑manufacture workflows reduce vendor friction and lead times. Sierra Proto Express is the trusted partner for high‑speed, Class 3, and semiconductor‑level PCB projects that demand precision and regulatory adherence.