tunnels , Firewall, C, Linux, Portal, Tls, Soc Architecture, Qos, Iptables, User space development, Operating System Internals, Wireless LAN access points, Radsec, Identity and role management, Flow Classification, Compilers, AAA, Network Device Drivers, Controllers, HostAPD, DTLS, Kernels, RADIUS

Rabbitmq, Nginx, PostgreSQL, Node.js, Saltstack, Bash Scripting, Gcp, Docker, MySQL, MongoDB, Puppet, Azure, AWS, Linux-based infrastructure, Linux Unix system administration, NoSQL databases, Chef, Container orchestration tools, Digital Ocean