Application Engineer, Senior

Keysight is a mission-critical design enablement partner for organizations solving the world’s most complex engineering challenges. With deep engineering expertise and leading design, emulation, and test solutions, our ~16,800 employees help customers in over 100 countries accelerate innovation across communications, automotive, energy, quantum, aerospace and defense, semiconductor, and artificial intelligence markets. Learn more about what we do.

At Keysight, people come together to explore new ideas, challenge what's possible, and advance the technologies defining the future. Here, you'll find opportunities to do your best work, take your career further, and thrive in an award-winning culture. Learn more about our benefits.

• Provide on-site installation, setup, calibration support, maintenance, troubleshooting, and repair services for network test systems and related equipment.
• Perform high-speed interface and network testing, including PRBS testing, bit error rate (BER) measurements, signal integrity verification, and link-performance validation.
• Use test instruments such as Keysight BERTs and Network Analyzers to conduct measurements, collect diagnostic data, and analyze test results.
• Troubleshoot hardware, cable, connector, PCBA, subsystem, and system-level issues to ensure stable equipment operation.
• Support basic PCBA-level debugging, including visual inspection, power-rail checks, connectivity checks, and interface verification.
• Configure, operate, and troubleshoot Linux-based test environments and systems.
• Conduct system verification, acceptance testing, and performance checks in accordance with established procedures and quality standards.
• Perform root cause analysis and coordinate with engineering teams to resolve technical issues.
• Manage technical escalations by documenting symptoms, test conditions, logs, measurement results, and corrective actions.
• Maintain accurate service records, technical reports, and customer support documentation.
• Ensure compliance with applicable safety, quality, and operational requirements.
• Contribute to continuous improvements in test efficiency, equipment reliability, and customer satisfaction.

• 8+ years relevant technical support / network test engineering experience.
• Understand Layer1~Layer3 network protocols and hardware related knowledge
• Bachelor’s degree or above in electrical engineering, Electronics Engineering, Computer Engineering, Communications Engineering, or a related technical field.
• Experience in field service, hardware validation, network testing, high-speed digital testing, or technical customer support.
• Familiarity with network testing concepts and methodologies, including PRBS testing, BER measurement, link validation, and signal integrity testing.
• Experience using Keysight test equipment, especially Bit Error Rate Testers (BERTs) and Network Analyzers, is preferred.
• Basic understanding of PCBA hardware, including power, clocks, interfaces, connectors, and common hardware-debugging methods.
• Familiarity with Linux systems, including basic command-line operation, log collection, network configuration, and troubleshooting.
• Ability to troubleshoot hardware and system issues independently and perform structured root cause analysis.
• Strong communication skills in English and Chinese, with the ability to support customers professionally.
• Willingness and ability to travel and work at customer sites as required.

Careers Privacy Statement***Keysight is an Equal Opportunity Employer.***