Principal Test Engineer

Position Summary We are seeking a highly experienced Principal Test Engineer with strong expertise in Advantest and Teradyne tester platforms to join our Advanced Electrical Analysis (AEA) Team. The successful candidate will serve as the technical reference for tester-related aspects throughout the probe card design cycle, supporting customer engagement, specification definition, design optimization, and field debugging activities. This role requires strong technical leadership and the ability to interface effectively with customers, FAE teams, Technical Sales and Probe Card Engineer organizations. The ideal candidate combines deep tester knowledge with strong electrical engineering expertise, advanced debugging skills, and the capability to drive root-cause investigations involving complex probe card designs.

Key Responsibilities
Customer and Technical Support
• Support Technical Sales and PCE teams during customer engagements.
• Act as the primary technical interface for tester-related discussions with customers.
• Design Optimization and Validation
• Drive probe card designs to ensure compliance with customer specifications and tester requirements.
• Collaborate with electrical, mechanical, SI/PI, and layout teams throughout the development cycle.
• Review schematics, layout, BOMs, and design documentation to identify potential risks and optimization opportunities.
• Debug and Root Cause Analysis
• Lead debugging activities for field issues and customer escalations.
• Define and coordinate debugging strategies involving customers, FAE teams, and internal engineering groups.
• Perform advanced root-cause analysis of probe card failures, tester-related issues, and performance degradations.
• Support failure investigations from initial issue identification through corrective action implementation.
• Technical Leadership
• Serve as a reference technical interface for Advantest and Teradyne tester platforms.
• Contribute to the development of engineering best practices and design guidelines. Required Qualifications
· Bachelor's or Master's degree in Electrical Engineering, Electronics Engineering, Telecommunications Engineering, Physics, or equivalent.
• Minimum of 5 years of experience as a Test Engineer or equivalent role.
• Proven experience working with Advantest and/or Teradyne tester platforms.
• Strong understanding of probe card technologies and related test architectures.
• Experience managing technical issues directly in customer environments.
• Hands-on experience with field debugging and troubleshooting of probe card solutions.
• Ability to analyze and interpret electrical schematics, PCB layouts, stack-ups, and Bills of Materials (BOMs).
• Strong problem-solving and root-cause analysis capabilities.
• Excellent communication skills in English. Preferred Technical Skills Tester Platforms
• Advanced knowledge of major Advantest and Teradyne platforms.
• Understanding of tester architecture, instrumentation, limitations, and optimization techniques.
• Ability to correlate tester behavior with probe card electrical performance. Electrical Engineering Strong knowledge of:
• Signal Integrity (SI)
• Power Integrity (PI)
• EMI/EMC concepts
• High-speed digital design
• Analog and mixed-signal measurements Debug & Failure Analysis
• Advanced debugging methodologies.
• Experience defining and executing structured debug plans.
• Capability to work with customers and FAEs to identify and resolve complex electrical and system-level issues.
• Familiarity with oscilloscopes, network analyzers, TDR equipment, and laboratory measurement techniques.
• Ability to proactively identify potential signal integrity, power integrity, EMI/EMC, manufacturability, and reliability concerns before production. Soft Skills
• Strong technical leadership.
• Customer-focused mindset.
• Excellent presentation and communication skills.
• Strong analytical thinking and decision-making capabilities.
• Ability to work effectively in high-pressure customer support and escalation scenarios.
• Proactive and solution-oriented attitude Travel Requirements Availability for domestic and international travel.