About

Sivakarthikeyan Gurusamy is a skilled Senior Software Engineer 2 with 7.78 years of relevant experience in the networking and security domain. He is currently working at Zscaler, where he has been involved in the development of various TCP/IP, UDP, SSL/TLS client-server applications for networking and security products. He has also developed DNS security product features in a multi-core Unix environment on top of the DPDK stack (fastpath). Sivakarthikeyan is an expert in socket programming, client-server architecture, and sockets I/O methods such as select, poll, and epoll. He has a deep understanding of TLS, PKI, symmetric and asymmetric encryption, key exchange algorithms, SSL certificate management, and HMAC validations. He is also proficient in developing DNS over TLS and DNS over HTTPS servers. Prior to Zscaler, Sivakarthikeyan worked as a Software Engineer at Infoblox, where he implemented DNS over TLS server over the DPDK stack and developed a Subscriber Parental Control Service. He utilized programming languages such as C and Python, and gained skills in TCP/IP, UDP, SSL, DNS, DPDK, IXIA, XML parser, domain categorization, Linux, shell scripting, and unit testing. As a Senior Software Engineer at Kalkitech, he implemented the SWAM proprietary protocol stack for PowerGrid automation and developed a security library. He utilized programming languages such as C, C++, and Lua scripting, and gained skills in cyber security, cryptography, secure coding, Windows and Linux programming, OpenSSL, TCP/IP, TLS, socket programming, GDB, Visual Studio, shell scripting, and XML parsing. Sivakarthikeyan holds a Bachelor's degree in Electrical, Electronics, and Communications Engineering from Jansons Institute of Technology/Anna University. He also has a Secondary degree in Biology, General, and an SSLC degree from State Board and Ayira Vaisiya Hr.Sec. School, respectively. His technical expertise includes software engineering, senior software engineering, Python, and testing. Sivakarthikeyan is a strong C programmer with a passion for developing networking and security products.