Customer Interface Specialist
Company: Sierra Proto Express
Location: San Jose
Posted on: April 2, 2026
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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, Napa , Customer Interface Specialist, IT / Software / Systems , San Jose, California
