Lead Engineer, Software

Coherent Corp.•Horsham, PA

4d•$88,550 - $151,580•Onsite

About The Position

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!

Requirements

BA or BS in Engineering or Computer Science required.
5+ years of experience in communication systems verification test.
Experience in automated northbound interface testing: Netconf/YANG, CLI, SNMP.
Experience in testing Linux based embedded systems.
Experience in Python or other script language for automation test.
Experience in network protocols such as TCP/IP, Ethernet, OTN.
Experience with DWDM optical systems, familiar with EDFA, WSS, OCM and OTDR.
Familiarity with Transponder product, familiar with 100G, 400G, 800G L1 optical module desired.
Familiarity in lab bench debugging tools oscilloscopes, optical spectrum analyzers.
Programming languages: Python. Familiar 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 teamwork oriented.
Good written and oral communication skills in English. Knowledge of Chinese is an asset.

Nice To Haves

Familiarity with Transponder product, familiar with 100G, 400G, 800G L1 optical module desired.
Knowledge of Chinese is an asset.

Responsibilities

Discuss and review system requirement documents. Collaborate with cross-functional teams to analyze system specifications and technical requirements.
Design and develop 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 script. Implement CI/CD pipelines for regression testing using Jenkins/Gitlab.
Create test summary report 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.