Lead Engineer, Embedded System Verification

Primary Duties & Responsibilities

• Discuss and review system requirement documents.
• Collaborate with cross-functional teams to analyze system specifications and technical requirements.
• Create comprehensive test plans covering functional, performance, and boundary scenarios.
• Create traceability matrices aligning test cases with system requirements.
• Establish best verification practices for a new team, consistent with existing practices and tools used by sister team.
• Validate management interface by testing optical provisioning, alarm, telemetry and software upgrade features over CLI and gRPC interfaces.
• Conduct end-to-end testing of optical transmission systems including signal integrity validation, network resilience testing (protection switching, failure recovery), L1 performance benchmarking (BER, Q-factor, latency measurements, etc.) and L0 performance (optical power, spectrum and OSNR).
• Develop/maintain Python-based automation scripts.
• Implement CI/CD pipelines for regression testing using Jenkins/GitLab.
• Create/test summary reports for each release.
• Maintain daily sanity tests and run regression tests in each software load.
• Perform regression testing for software/hardware upgrades.
• Design new test cases based on customer findings or new feature requests.

Education & Experience

• Bachelor's or Master's degree in Engineering or Computer Science required.
• 5+ years of experience in communication systems verification testing.
• Experience in automated northbound interface testing: Netconf/YANG, CLI, SNMP.
• Experience in testing Linux based embedded systems.
• Experience in Python or other scripting languages for automation testing.
• Experience in network protocols such as TCP/IP, Ethernet, OTN.
• Familiarity with DWDM optical systems, including EDFA, WSS, OCM and OTDR.
• Familiarity with Transponder products, especially 100G, 400G, 800G L1 optical modules.
• Knowledge of lab bench debugging tools such as oscilloscopes and optical spectrum analyzers.

Skills

• Programming languages: Python.
• Familiarity with VS Code environment.
• The ability to work independently with guidance from supervisor on specific tasks.
• Able to work and deliver on an aggressive schedule.
• Self-starter, highly motivated, dedicated, and team-oriented.
• Good written and oral communication skills in English.
• Knowledge of Chinese is an asset.

About Us

Coherent is a global leader in lasers, engineered materials, and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity, and growth. Come join us!