Job Description

ESSENTIAL DUTIES:

• Develop and execute comprehensive test plans and test cases to validate embedded firmware functionality on ONU (Optical Network Unit) and OLT devices.
• Conduct both manual and automated testing on fiber-based hardware platforms to ensure performance, stability, and compliance with design specifications under various conditions.
• Identify, document, and report firmware defects, providing clear reproduction steps, logs, and diagnostic data to support developer troubleshooting.
• Collaborate closely with firmware and hardware engineering teams to debug and resolve issues, verify fixes, and ensure end-to-end product stability.
• Perform regression testing to validate that firmware updates maintain system integrity and do not introduce new issues.
• Contribute to the development and maintenance of automated test scripts and frameworks to improve test coverage and reduce test cycle time.
• Maintain and track test hardware inventory, ensuring all optical devices and supporting equipment are properly managed and available for ongoing engineering work.

TOOLS & TECHNOLOGIES USED:

• Test Equipment: Optical power meters, signal generators, network analyzers, oscilloscopes, spectrum analyzers.
• Networking Technologies: GPON, XGS-PON, Ethernet, WiFi, Optical Fiber.
• Protocols & Standards: Layer 2/3 networking (TCP/IP, UDP, DHCP), VLANs, STP, SNMP.
• Network Devices: ONU, OLT
• Software & Tools: Wireshark, iPerf, automation tools (Python/Bash preferred).

NICE TO HAVE:

• Hands-on experience testing fiber access devices in a lab or field environment.
• Strong understanding of GPON, XGS-PON, optical networking concepts, and embedded firmware testing.
• Familiarity with embedded system behavior in telecom access networks, especially fiber deployments in residential and enterprise settings.
• Experience automating test cases for embedded or optical networking products.

Job Tags

Similar Jobs