Lead Engineer, Embedded System Verification

Coherent Corp.; Horsham (PA); On-site; USD 95,000 - 140,000; Full time

Job summary

Coherent Corp. seeks a senior verification tester to review system requirements and design comprehensive test plans for optical transmission systems.

You will validate management interfaces via CLI and gRPC, perform end-to-end and L1/L0 testing, and develop Python automation scripts with Jenkins/GitLab pipelines. The role requires 5+ years in communications verification, experience with Netconf/YANG, SNMP, Linux embedded systems, and proficiency in Python.

Qualifications

• 5+ years of experience in verification testing for communications systems.
• 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 tests.
• Experience with TCP/IP, Ethernet, OTN networks.
• Familiarity with DWDM optical systems and 100G/400G/800G L1 optics.
• Familiarity with lab bench debugging tools such as oscilloscopes and optical spectrum analyzers.

Responsibilities

• Discuss and review system requirement documents with cross-functional teams.
• Design and develop test plans covering functional, performance, and boundary scenarios.
• Establish verification practices in line with existing teams’ tooling.
• Validate management interfaces via CLI and gRPC.
• Perform end-to-end testing of optical transmission systems and L1/L0 metrics.
• Develop Python automation scripts and CI/CD pipelines for regression testing.

Skills

Python

Test planning

Automation scripting

CI/CD

Education

BA/BS in Engineering or Computer Science

Tools

Jenkins

GitLab

Linux

Job description

Job Description

• 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

Primary Duties & 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

Education & Experience

• 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

Skills

• 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

Working Conditions

• 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

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

• 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

Equality and Diversity

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.

If you need assistance or an accommodation due to a disability, you may contact us at [e-mail].

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!