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Coherent

Global laser technologies and systems supplier

Lead Engineer - Embedded System Verification

Test Automation EngineeringConfirmed live in the last 24 hours
Full-timeNo salary listed

About the Job

Requirements

  • A BA or BS in Engineering or Computer Science is required.
  • At least 5 years of experience in communication systems verification testing.
  • Experience in automated northbound interface testing using Netconf/YANG, CLI, or SNMP.
  • Experience testing Linux-based embedded systems.
  • Experience using Python or another scripting language for test automation.
  • Experience with network protocols such as TCP/IP, Ethernet, and OTN.
  • Experience with DWDM optical systems and familiarity with EDFA, WSS, OCM, and OTDR.
  • Familiarity with the VS Code environment.
  • Ability to work independently with guidance from a supervisor on specific tasks.
  • Ability to work and deliver on an aggressive schedule.
  • Good written and oral communication skills in English.
  • Ability to communicate verbally and in writing.
  • Ability to sit for extended periods and use hands and fingers for typing, writing, and handling documents.
  • Ability to occasionally lift objects or materials up to 20 pounds.
  • Ability to move within the office environment to attend meetings.
  • Ability to follow site EHS procedures and Coherent Corp. Corporate EHS standards.
  • Depending on location, responsibility for executing and maintaining applicable ISO 9000, 9001, 14001, or other standards within the Quality Management System and Environmental Management System.

Responsibilities

  • Discuss and review system requirement documents, collaborating with cross-functional teams to analyze system specifications and technical requirements.
  • Design and develop comprehensive test plans covering functional, performance, and boundary scenarios, and 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 a sister team.
  • Validate the 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 such as protection switching and failure recovery, L1 performance benchmarking including BER, Q-factor, and latency measurements, and L0 performance including optical power, spectrum, and OSNR.
  • Develop and maintain Python-based automation scripts and implement CI/CD pipelines for regression testing using Jenkins and GitLab.
  • Create a test summary report for each release.
  • Maintain daily sanity tests and run regression tests in each software load; perform regression testing for software and hardware upgrades.
  • Design new test cases based on customer findings or new feature requests.
  • Attend occasional off-site meetings or travel as required.
  • Regularly use a computer and other office equipment and interact with team members and external contacts.
  • Accommodate occasional overtime and flexibility in work hours as needed.

Desired Qualifications

  • Familiarity with transponder products and 100G, 400G, or 800G L1 optical modules.
  • Familiarity with lab bench debugging tools, including oscilloscopes and optical spectrum analyzers.
  • Knowledge of Chinese is an asset.

About the Company

Coherent

Global laser technologies and systems supplier

Coherent provides lasers, laser-based technologies, and system solutions across Commercial Lasers and Components, Industrial Lasers and Systems, and Aerospace and Defense. Its products include laser sources, components, and complete laser systems used in microelectronics, materials processing, medical diagnostics, and research, sold with after-sales services and recurring software and consumables revenue. The company differentiates itself by offering a broad, integrated portfolio of hardware, services, and software across many industries and regions, serving OEMs, end-users, and government customers. Its goal is to grow by expanding product lines and software-enabled services so customers can deploy and scale laser technology in manufacturing, research, and defense applications.

Company size
5,001-10,000
Company stage
IPO
Headquarters
Santa Clara, CA
Founded
1966

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