Virtualisation, Linux Os, Routers, VPN firewall appliances, Hypervisors, Nutanix platform, Windows server OS, network switches

containerization , Java, Golang, Kubernetes, Performance Tuning, Ceph, lustre, Relational database architecture, Storage engines, infiniband, RoCE, High-performance programming, RDMA, HDFS, distributed file systems, Transaction logic, GlusterFS