Linux Admin/Devops which include managing Stack - Tomcat, LAMP, MEAN, Data Lake using Hartonworks HDP Platform WebServer - Nginx, Apache Monitoring - Nagios, Netdata Cloud -AWS, Azure, Oracle OCM Database - Mysql, Oracle, Postgre Docker Management Language- PHP, Python, C , Nodejs,Angularjs, BashScript Performance Testing - jMeter, ab, Database (mysql,postgre,oracle,mongodb) query optimisation, linux perf tool, LAMP stack optimisation,Lighthouse/yslow for web page, Nginx /Apache web server optimisation Security Tools - sqlmap,nmap, kali linux,Metasploit, WAF configuration Big Data - Sparak Streaming with Python, Kafka, ELS stack, Apache Amabari /Hadoop Cluster. CI/CD - Jenkins (Git,SVN,Maven,Nodejs,PHP, Sonarqube,Pipeline,Ansible,API Testing)