Principal Engineer, System Verification

** Primary

Duties & Responsibilities *
* ** Test Strategy/Verification/Automation - 80%*
* + 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. 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 - 20%*
* + 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.

** 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 Dev Ops practices.

+ Familiarity with 3 rd  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

+ May require occasional overtime and flexibility in work hours to accommodate the executive's needs

** Physical Requirements*
* + Sitting for extended periods while working on a computer or conducting meetings.

+ Use of hands and fingers for typing, writing, and handling documents.

+ 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…