-User administration (setup and maintaining account), Password and identity management -Maintaining IT Infrastructure -Installation and Up gradation of Servers -Installation and Maintaining Cloud Servers(AWS, Azure, Google, etc) -Installation and maintaining firewalls and intrusion detection systems. -Implementing the security policies. -Automation software such as Ansible, puppet, chef, etc. -Network services in cloud such as Content delivery networks (CloudFlare, CloudFront etc) and DNS servers -WEB and Database Administration -Network Administration -Mail Server Administration -Source control(GIT) -Designing best practices for backups, and whole infrastructure -Ticket Management -Monitoring Servers