Principal Engineer, System Verification

Coherent • Horsham, PA

5d • Onsite

About The Position

This role focuses on system verification and automation within a team environment. The engineer will be responsible for designing and developing test plans, creating automation scripts, and mentoring junior engineers. The position involves testing various system features, networking functionalities, and optical system components, with a strong emphasis on Python-based automation and CI/CD pipelines.

Requirements

• University degree in Electrical Engineering or Computer Science
• 8+ years of experience in embedded systems software verification
• 5+ years of experience in Optical Networking industry (L0 and/or L1 equipment)
• Experience in automation of northbound interface testing: Netconf/YANG, Restconf, 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, OSPF, BGP, LLDP, RSTP
• Experience with DWDM optical systems, familiar with EDFA, WSS, OSC, OCM and OTDR
• Familiarity with Transponder product, familiar with OTN, 100G, 400G, 800G
• Practical experience across the entire Agile development lifecycle, including continuous integration, continuous deployment (CI/CD), and collaboration through DevOps practices.
• Familiarity with 3rd party test devices and automation to support complete system testing
• Good written and oral communication skills in English.
• Experience in cross-site development with global teams.
• Programming languages: Python.
• Familiar with VS code environment.
• The ability to work independently with guidance from supervisor on specific tasks.
• Able to work and execute on an aggressive schedule.
• Self-starter, highly motivated, dedicated and teamwork oriented.

Nice To Haves

• Familiar with networking data modeling (Open Config, Yang models etc.) and security protocols
• Experience in optical networking (ROADM, ILA, OTN) system level features

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 team.
• Validate management interface by testing optical provisioning, alarm, telemetry and software upgrade features over Netconf, CLI and gRPC interfaces.
• Conduct black box testing vertically from SDN based network controller or network element to validate system features, networking functionalities including OSPF, BGP and LLDP, optical system features including EDFA/RAMAN amplifiers, OSC, WSS, OCM and OTDR and OTN features.
• Develop/maintain Python-based automation scripts.
• Implement CI/CD pipelines for regression testing using Jenkins/Gitlab.
• Improve test automation coverage using industry’s best standard methods.
• Create test summary report for each release and maintain test case repository.
• 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.
• Retest bug fixes and other sustaining issues from legacy products.
• Mentoring/Coaching junior verification engineers.
• Drive automation script reviews and practices across team.
• Collaborate with HW/SW development and system architecture teams to continuously improve product performance, execution efficiency, and development processes.

Benefits

• Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

What This Job Offers

• Job Type: Full-time
• Career Level: Principal