Principal Engineer, Software Integration

Location: Horsham, PA, United States

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.
• 🚀 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!

Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.


Job Summary: Design and develop test plans for DWDM Optical Networking systems and SDN based network controller integration. This Role includes test case development and execution for new products as well as legacy products. This role also includes customer interactions to validate new system features against customer requirement and support customer validation.