# Jeewan Rana > Staff Engineer at Illumio Location: Cupertino, California, United States Profile: https://flows.cv/jeewan A highly reliable, results-driven professional with over 20+ years of experience of enterprise software development in security and networking space. Skilled in applying process, problem-solving and technical skills to improve individual, team and organizational performance. Proven ability to manage dynamic and complex projects with both familiar and new technologies. Cloud software development experiences. Strong understanding and working experience of cloud distributed software development Strong understanding and working experience of containerized micro services distributed software development. RESTful API software development using GO and Ruby/Rails. Strong understanding of container orchestration software like K8s(Kubernetes). Implement distributed network policy for K8s using CNI netplugin Container networking with BGP to avoid data path communication without host nating/port mapping, tunneling etc. L7 load balancer in public cloud infrastructure i.e AWS ,OCI Contributions:  https://github.com/contiv/netmaster https://github.com/contiv/netplugin https://github.com/contiv/ofnet Understanding of Docker-swarm/K8s cluster orchestration. Working experience of distributed system , K8s / Docker Specialties: Docker Container , K8s/Docker-Swarm Orchestration, Contiv (Cisco Policy based Container networking) Distributed system, Golang/Ruby&Rails/Python/C Postgres,MongoDB,Redis,Memcached Etcd,Consul, gRPC,Git,github,Pytest Load balancer L4/L7 : Ipvs , Nginx,HAproxy , Linux Networking Stack ,OVS(Open Virtual Switch) Linux Namespace,Linux Netlink Inrface, Namespace,IPtables. L2-L3 Data Path Forwarding IP multicast forwarding(Layer2/Layer3) (PIM SM/Bidir ,IGMPv2/v3) Network Virtualization Overlay technology (NVO) (OTV , VxLAN) TCP/IP, VRRP(Router Redundancy) Linux kernel programming In-Service Software Upgrade (ISSU) High Availability (HA) Nexus switches (Nexus7k/9k). ## Work Experience ### Staff Engineer @ Illumio Jan 2019 – Present | Sunnyvale , USA ### Principal Member Technical Staff(Oracle Cloud Infrastructure) @ Oracle Jan 2018 – Jan 2019 | San Clara , USA Oracle Cloud Infrastructure (OCI) : Part of LBaas (Load balancer as service) team in OCI. Working on making Lbaas OCI service highly operational efficient to manage more than 3000+ Lbs across OCI region. Optimized LBaas dataplane to avoid security vulnerability in region fleet. ### Senior Technical Team Lead @ Cisco Jan 2014 – Jan 2018 | San Francisco Bay Area -Worked on policy based container infrastructure solution (Distrubuted system architecture). - Implement K8s network policy support in Contiv(Cisco Policy based networkPlugin) -Service load balancer for legacy docker swarm cluster. -Software plugins for Kubernetes cluster . -Worked in open Cisco NX-OS project(means switch as a Linux Device ). Cisco Open NX-OS leverages the native Linux networking stack, instead of a custom-built userspace stack (NetStack) that was used in prior versions of NX-OS. Nexus switch interfaces, including physical, port-channel, vPC, VLAN and other logical interfaces, are mapped to the kernel as standard Linux netdevs. VRFs on the switch map to standard Linux namespace. - Build tools (in Go) to improve software debugging capability . - Strong understanding Linux container (Namespace ) - Understanding of Docker engine and Kubernetes Orchestration and Clustering tools ### Tech Lead Engineer @ Cisco Jan 2010 – Jan 2014 | San jose USA Currently working with the Nexus7K (Data center switching group ) - Designed/implement Software Features in Layer 3 FIB (Forwarding Information Base module. -Designed and Delivered the IP Multicast forwarding functionality on F Series based line cards from scratch. - Designed and Delivered the Overlay functionality on F(SOC) series based line cards. - Responsible for Hardware Validation for Nexus 7000's next generation Hardware - F2/F3 SOC - for IP Multicast ,OTV . Project gave deep expertise of end to end packet path for IP Multicast and OTV, VxLAN. - Good understanding of L2 and L3 Forwarding and Overlay technology (OTV,VxLAN,VPLS) ### Sr Software engineer @ Ericsson Jan 2009 – Jan 2010 | San Jose Played an instrumental role in the design and delivery of VRRP software and XC (Cross-Connect) feature for next generation router ### Staff Engineer @ Juniper Networks Jan 2006 – Jan 2009 | Sunnyvale , CA Oversaw the implementation and delivery of the WCCPv2 protocol into the WX/WXC product line Responsible with creating the TCP acceleration/optimization feature in the WX/WXC product line ### Senior Software System @ VMWARE India Jan 2005 – Jan 2006 Sr.Software Engineer ### Sr software engineer @ Nortel Networks Jan 2006 – Jan 2006 Sr.Software Engineer ### Tech Lead @ Aricent Jan 2006 – Jan 2006 ### Team Leader @ Flextronics Software Systems Jan 2000 – Jan 2005 | Gurgaon, India • Designed and delivered the slow/fast Path forwarding module on edge router, which was implemented over micro-engine of IXP2400 • Formulated the MD5 Authentication algorithm on Intel IXP2850 network processor • Developed and oversaw the delivery of the PCI bridge driver that was used as an out-of-band communication channel between control processor (X86) and network processor (IXP2400) router ## Education ### Bachelor of Engineering (B.E.) in Computer Science & engineering Kumaun University ## Contact & Social - LinkedIn: https://linkedin.com/in/jeewan-rana-24ab923 --- Source: https://flows.cv/jeewan JSON Resume: https://flows.cv/jeewan/resume.json Last updated: 2026-04-12