Network Software Engineer (L2/L3, Routing Protocols) jobs in United States
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Zhone Technologies · 5 months ago

Network Software Engineer (L2/L3, Routing Protocols)

positionHanoi,Cau Giay District,US
timeFull-time
remoteOnsite
seniorityMid Level
date3+ years exp

Zhone Technologies Inc. is an innovation-driven startup offering an exciting opportunity to be part of a dynamic network software engineering team. As a Network Software Engineer, you will contribute to the development of next-generation network products, focusing on designing, porting, and validating L2/L3 features in embedded environments.

Communications InfrastructureHardware

Responsibilities

Contribute to high-level system architecture discussions
Develop and maintain embedded network software applications
Collaborate with cross-functional teams and technical stakeholders
Break down tasks and provide development estimates
Review and document technical requirements and designs
Write and execute unit tests and assist with system-level validation
Provide ongoing support for existing products
Analyze L2/L3 features in ZebOS and map to equivalent FRR/SONiC implementations
Port, redesign, and implement routing protocols such as BGP, OSPF, IS-IS, RIP
Develop and integrate new or missing protocol features
Debug and resolve protocol interoperability and system-level issues

Qualification

L2/L3 routing protocolsC/C++ programmingEmbedded LinuxMulti-threaded systemsNetwork virtualizationNETCONFSNMPCommunication skillsSelf-driven attitude

Required

Bachelor's degree in Computer Science, Electrical Engineering, or a related field
3+ years of experience in network software development
Solid understanding of L2/L3 routing protocols and their role in modern networks
Experience with multi-threaded, real-time embedded systems
Strong programming skills in C/C++
Familiarity with embedded Linux or other real-time operating systems
Ability to troubleshoot complex issues in embedded environments
Good communication skills and a collaborative mindset
A self-driven attitude and strong desire to learn

Preferred

Experience developing or maintaining L2/L3 protocols (BGP, OSPF, IS-IS, RIP, VRRP)
Familiarity with protocol internals such as state machines, timers, and convergence logic
Understanding of Linux networking internals, including Netlink, VRF, routing tables, bridge/VLAN
Experience working with ZebOS or FRR (ZAPI, vtysh, protocol daemons)
Exposure to advanced technologies like EVPN or SRv6 is a plus
Embedded Linux user-space development experience
Familiarity with kernel modules, drivers, or HALs
Understanding of SDKs such as Broadcom SDK or SAI
Knowledge of VRF, VxLAN, tunneling, and overlay architectures
Experience configuring virtual routing or sandbox test environments
Working knowledge of NETCONF, SNMP, TL1, Telnet, SSH
Exposure to YANG models and integration with EMS/NMS
Ability to expose or extend telemetry or RPC-based management endpoints
Skilled in using tools such as tcpdump, Wireshark, gdb, valgrind
Experience writing automation scripts using Python, Bash, or TCL/Expect is beneficial

Company

Zhone Technologies

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Zhone is a global leader in Network Edge, Connected Home/Enterprise, and AI Cloud Software solutions that power gigabit broadband.
dateFounded in 1999
location
Oakland, California, USA
people-size201-500 employees
web-link
http://www.zhone.com

Funding

Current Stage
Public Company
Total Funding
$500M
2016-09-12Acquired
2009-06-19IPO
1999-10-21Series A· $500M
Company data provided by crunchbase