ONT Embedded Software Engineer (Junior / Mid-Level)

Zhone Technologies is hiring for multiple Embedded Software Engineer openings across two career levels: Junior and Mid-Level. During the application process, candidates will answer a screening question to indicate which level they intend to apply for. Candidates will be considered for the level that best matches their experience and qualifications.

In this role, you will contribute to the design, development, and maintenance of embedded software for access network equipment, including GPON/XGS-PON ONTs, Wi-Fi Access Points, and residential gateways.

Responsibilities and scope will scale based on experience level.

Key Responsibilities (All Levels):

Software Development & Protocols

• Design and implement embedded software features in C/C++, covering userspace and kernel space.
• Develop and debug packet processing, middleware, and BSP components; support third-party SDK integration.
• Ensure product alignment with global telecom standards: ITU-T (GPON/XGS-PON), BBF (TR-069/369), IEEE 802.3/802.11, MEF, and ETSI; implement IETF RFCs for IPv4/IPv6, DHCP, DNS, and security.
• Implement and optimize Wi-Fi 5/6/7, EasyMesh, VoIP (SIP/MGCP/H.248), IPTV/Multicast (IGMP/MLD), and QoS features for residential gateway applications.

Testing & CI/CD

• Develop and maintain automated test scripts in Python for product verification and regression testing.
• Support and enhance CI/CD pipelines to ensure continuous integration, testing, and delivery.
• Collaborate with QA and hardware teams to validate software in real-world scenarios.

Collaboration & Agile

• Participate in Agile/Scrum ceremonies and collaborate with cross-functional teams (hardware, QA, product management).
• Document software changes, design decisions, and troubleshooting procedures.