Customer Interface Specialist

Company: Sierra Proto Express
Location: San Jose
Posted on: February 16, 2026

Job Description:

Job Description Job Description Key Responsibilities Serve as the primary technical point of contact for customer-reported issues related to PCB assembly, including SMT, THT, mixed-technology builds, and prototype rework. Review customer documentation such as BOMs, pick-and-place files, assembly drawings, and test requirements to identify potential DFA and manufacturability issues. Identify and escalate BOM discrepancies, recommend common discrete alternative or replacement components, and communicate CAD or data file defects to customers with clear technical documentation and logs. Communicate effectively with customers by providing timely updates and clear explanations of issues, root causes, and resolutions. Collaborate closely with engineering, product, quality, and operations teams to drive timely and effective issue resolution. Track recurring issues and recommend corrective and preventive actions to improve overall product quality and process efficiency. Participate in customer and internal operations calls, including on-call or escalation meetings, as required. Ensure adherence to SLAs, quality standards, and customer support best practices. Ensure compliance with IPC standards, internal quality procedures, and customer-specific requirements. Support fast-paced prototype and quick-turn production schedules while maintaining high quality standards. Qualifications – Knowledge, Skills & Experience Bachelor’s degree in Electrical Engineering, Electronics Engineering Technology, Manufacturing Engineering, or a related field. Excellent written and verbal communication skills, with the ability to clearly explain technical issues to both technical and non-technical stakeholders. Strong ability to interpret assembly drawings, BOMs, pick-and-place data, and test documentation, and to identify and suggest common discrete alternative or replacement components. Proven problem-solving skills with the ability to manage multiple priorities and make sound decisions in a fast-paced environment. Solid understanding of PCB assembly processes, including SMT, THT, selective soldering, reflow profiling, and manual rework. Highly organized, detail-oriented, and capable of working independently with minimal supervision. Proficient in Microsoft Office applications (Word, Excel, Outlook, PowerPoint).

Keywords: Sierra Proto Express, Concord , Customer Interface Specialist, IT / Software / Systems , San Jose, California