I am Master of Technology in ITIMS. I am certified in MCSA in Server 2012, CCNP R&S, dCAA (Digium Certified Asterisk Administrator). I am having having experience in VMware VCP Datacenter (), Linux (LAMP, Nginx, IPTables),Asterisk/FreePBX, Zimbra Mail Server, Network Monitoring Tools, Nextcloud, Amazon AWS (EC2, S3, ELB, VPC, EFS, SNS, Appstream), Rackspace, Twilio SIP, Cisco ASA, Cisco Meraki and UTM Firewalls. I am working as a Sr. Network Administrator in MNC and having 4+ years of experience in above mentioned technologies. Blog: ravikumarcisco.blogspot.com