Senior Hardware Reliability Test Engineer – Electrical Systems & Power Electronics (AI)

Location: Sunnyvale, CA, United States; onsite

Base salary: $190,000–$230,000 annually, with potential bonus and equity.

Company

hirify.global builds large-scale AI computing hardware and software, including an AI chip and high-speed inference systems for model labs, enterprises, and AI startups.

What you will do

• Design, assemble, troubleshoot, and maintain electrical test jigs, fixtures, interface boards, load circuits, and wiring harnesses.
• Define representative system workloads, power sequencing, interfaces, operating limits, monitoring requirements, and reliability test plans.
• Build automated test setups with programmable power supplies, electronic loads, switching hardware, sensors, and data acquisition equipment.
• Develop Python or equivalent automation for instrument control, test sequencing, monitoring, fault capture, and analysis.
• Execute accelerated life, burn-in, powered temperature cycling, power/load cycling, and biased temperature/humidity testing while tracking electrical and thermal performance.
• Investigate and reproduce electrical failures, correlate test results with physical failure analysis, and validate corrective actions with cross-functional engineering and manufacturing partners.

Requirements

• 5+ years of experience in electrical testing, hardware validation, reliability engineering, or electrical failure analysis.
• Ability to convert electrical test requirements into laboratory setups with custom fixtures, interface circuitry, wiring, and instrumentation.
• Strong knowledge of PCB assemblies, power conversion, voltage regulation, power distribution, and electronic circuit behavior.
• Practical experience with oscilloscopes, differential and current probes, programmable power supplies, electronic loads, multimeters, power analyzers, source measurement units, and data acquisition systems.
• Proficiency in Python, LabVIEW, or equivalent tools for test automation and data analysis.
• Strong circuit-debugging skills, including interpretation of schematics, PCB layouts, component specifications, and bench measurements.
• Understanding of accelerated testing, electronics failure mechanisms, reliability statistics, and measurement uncertainty.
• Familiarity with relevant JEDEC and IPC test methods and qualification practices.
• Ability to collaborate with Systems engineers, communicate technical findings clearly, and manage multiple laboratory investigations.
• BS in Electrical Engineering, Computer Engineering, or a related technical discipline.

Nice to have

• Master’s degree or PhD in Electrical Engineering, Computer Science, or a related field.
• Experience integrating electrical fixtures with environmental chambers and automated monitoring systems.
• Hands-on experience with high-current power modules, converters, and power delivery assemblies.
• Experience with board bring-up, system integration, embedded firmware, Linux-based test environments, and hardware communication interfaces.
• Knowledge of reliability concerns involving power semiconductors, capacitors, magnetic components, connectors, and solder joints.
• Ability to interpret microscopy, thermal imaging, X-ray, and cross-sectional findings in electrical failure investigations.

Culture & Benefits

• Onsite work in Sunnyvale, California.
• Full-time employment with base salary, bonus potential, and equity.
• Opportunity to build AI hardware beyond GPU constraints and work with high-speed AI computing systems.
• Access to cutting-edge AI research, publishing, and open-source opportunities.
• Startup vitality, job stability, and a simple, non-corporate culture emphasizing inclusion and continuous learning.