Coherent

Principal Engineer, System Verification

Coherent β€’ $110K β€” $130K *
Telecommunications & Hardware
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Electrical Engineering, Computer Science or related field.
  • 8+ years of embedded software verification experience.
  • 5+ years in the optical networking industry, focusing on Layer 0 and/or Layer 1.
  • Proficient in automating northbound interface testing using NETCONF/YANG, RESTCONF, CLI or SNMP.
  • Strong skills in Python scripting and Linux-based embedded system testing.
  • Knowledge of network protocols like TCP/IP, OSPF, and BGP.
  • Experience with DWDM systems and high-speed transponder technologies.

Responsibilities

  • Develop test strategies and comprehensive test plans based on system requirements.
  • Create traceability matrices linking test cases to requirements.
  • Establish verification standards and best practices for the team.
  • Validate optical provisioning and software upgrades across various interfaces.
  • Perform end-to-end black-box testing from SDN controllers to network elements.
  • Develop and maintain Python-based test automation.
  • Run daily testing and maintain test repositories.

Benefits

  • Mentorship opportunities for career development.
  • Collaborative work environment fostering innovation.
  • A chance to contribute to cutting-edge optical networking technology.
  • Engagement in Agile development processes and CI/CD practices.
Full Job Description
Job Description

Based on-site in Horsham, Pennsylvania or Ottowa, Canada, you will develop test strategies and automation for new and existing products, establish verification best practices, and work with customers to validate system features against their requirements.

What You'll Do

Test Strategy, Verification and Automation - 80%
  • Review system requirements and develop comprehensive test plans covering functional, performance and boundary scenarios.
  • Create traceability matrices linking test cases to system requirements.
  • Establish verification standards, tools and best practices for the team.
  • Validate optical provisioning, alarms, telemetry and software upgrades across NETCONF, CLI and gRPC interfaces.
  • Perform end-to-end black-box testing from SDN network controllers to network elements.
  • Verify:
    • Network protocols, including OSPF, BGP and LLDP.
    • Optical systems, including EDFA/Raman amplifiers, OSC, WSS, OCM and OTDR.
    • OTN and high-speed transponder functionality.
  • Develop and maintain Python-based test automation.
  • Build CI/CD regression pipelines using Jenkins or GitLab.
  • Run daily sanity, regression and software/hardware upgrade testing.
  • Maintain test repositories and produce release test-summary reports.
  • Create tests for new customer requirements and retest bug fixes for legacy products.
  • Support customer validation of new system features.


Technical Leadership and Collaboration - 20%
  • Mentor junior verification engineers.
  • Lead automation-script reviews and promote consistent engineering practices.
  • Collaborate with hardware, software and system architecture teams to improve product performance and development processes.


About You
  • Degree in Electrical Engineering, Computer Science or a related discipline.
  • Eight or more years of embedded software verification experience.
  • At least five years of experience in the optical networking industry, covering Layer 0 and/or Layer 1 equipment.
  • Experience automating northbound interface testing using NETCONF/YANG, RESTCONF, CLI or SNMP.
  • Strong Python scripting and Linux-based embedded system testing experience.
  • Knowledge of network protocols, including TCP/IP, Ethernet, OSPF, BGP, LLDP and RSTP.
  • Experience with DWDM systems and technologies such as EDFA, Raman amplifiers, WSS, OSC, OCM and OTDR.
  • Familiarity with OTN and 100G, 400G and 800G transponder products.
  • Experience with Agile development, CI/CD and DevOps practices.
  • Familiarity with third-party test equipment and system-level automation.
  • Knowledge of networking data models, including OpenConfig and YANG, and relevant security protocols.
  • Strong English communication skills and experience working with global teams.
  • Ability to work independently, manage competing priorities and deliver against demanding schedules.


Our ICARE Values

Everything we do is guided by our ICARE values:
  • 🀝 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.
  • πŸš€ Enthusiasm - Find a sense of purpose in work.


About Coherent

Coherent, Inc. is a global leader in providing laser-based solutions to a broad range of commercial and scientific research customers. The company designs, manufactures, and markets lasers, laser-based systems, precision optics, and related accessories for a diverse group of customers. Coherent's markets include scientific research, OEM components and instrumentation, microelectronics, materials processing, and life sciences. The company's products are used in a wide range of applications. Coherent was founded in 1966 and is headquartered in Santa Clara, California.
Learn more about Coherent
Size
5,085 employees
Market Cap
$4.6 billion
Industry
Net Income
-$419.7 million
Founded
1966
5 Year Trend
+27.8%
Revenue
$1.2 billion
NASDAQ

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