Principal Engineer, 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 team.
• Validate management interface by testing optical provisioning, alarm, telemetry and software upgrade features over Netconf, CLI and gRPC interfaces.
• Familiar with SNMP and Rest 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.

Teamwork and Support

• Mentor/coach 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.

Education & Experience

• 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 third-party test devices and automation to support complete system testing.

Skills

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

Working Conditions

• This position is onsite at Horsham, PA location.
• May require occasional off-site meetings or travel.
• Regular use of a computer and other office equipment is necessary.
• Interaction with team members and external contacts is a regular part of the job.
• Occasional lifting of objects or materials up to 20 pounds for administrative tasks.
• Ability to communicate verbally and in writing.
• Mobility within the office environment to attend meetings or interact with colleagues.
• Safety Requirements: All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.

Quality and Environmental Responsibilities

• Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.

Culture Commitment

• Ensure adherence to company’s values (ICARE): Integrity – Create an Environment of Trust, Collaboration – Innovate Through the Sharing of Ideas, Accountability – Own the Process and the Outcome, Respect – Recognize the Value in Everyone, Enthusiasm – Find a Sense of Purpose in Work.

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!