Zhenghui Cai
Principal Engineer at Juniper Networks
Ashburn, Virginia, United States
Summary
🤩
Rockstar🎓
Top SchoolZhenghui Cai is a Principal Engineer with over two decades of telecom and networking experience and seven years framed as a software engineer contributor on GitHub. Based in Ashburn, VA, he designs and implements core router and gateway software—leading efforts on CTPOS for circuit-to-packet products, LN series secure routers, broadband access on MX series, and virtual MX bring-up. He has served as technical lead for SONiC and for a BNG CUPS virtual UP project, blending low-level firmware work with cloud-native virtual network functions. With MS degrees from Shanghai Jiao Tong University and Johns Hopkins, he pairs strong academic grounding in telecommunications and computer science with hands-on systems delivery at Juniper and earlier roles at Tellabs and Lucent. A quietly prolific engineer, he bridges legacy carrier-grade systems and modern virtualized network stacks, often driving platform-level integrations behind the scenes.
7 years of coding experience
22 years of employment as a software developer
Johns Hopkins UniversityMSC, Telecommunication, MSC, Telecommunication at Shanghai Jiao Tong University
Github Skills (13)
armv610
virtual-network10
sonic10
networking10
switch10
sdn10
binary-image9
cli9
platform-specific9
abstraction9
state-management6
hardware6
python5
Programming languages (4)
Github contributions (5)
caizhenghui-juniper/sonic-swss
Apr 2021 - Aug 2021
SONiC Switch State Service (SwSS)
Contributions:2 PRs, 9 pushes, 5 branches in 3 months
sonicswitch
caizhenghui-juniper/SONiC
Jan 2021 - Jul 2022
Landing page for Software for Open Networking in the Cloud (SONiC) - http://azure.github.io/SONiC/
Contributions:2 pushes in 1 year 6 months
ospfnetworkingbgpjuniperazure
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