●      Configuration Management through ansible for 200+ servers in inventory.
●      Managing Site to Site VPNs on EC2 Cisco Router to have secure connectivity between Telcos
●      Managing infrastructure using terraform using git repository.
●      Setting & Maintaining FreeIPA for centralized users management.
●      Managing Hybrid infrastructure AWS + Equinix in Singapore using DirectConnect.
●      Vulnerability scanning through Tenable for all EC2 instances and apply suggested fix.
●      Enabled AWS Backup services to backup RDS and EC2
●      Setting up and manage ECS clusters through ansible & Terraform.
●      Managing ELK and Grafana for monitoring AWS and application resources.

●      AWS invoices, cost optimization and billing justification to upper management.
●      Manage AWS EC2 resources for Magento StoreFront
●      Setting up and troubleshoot Java based application server on Linux
●      Managing RDS, S3, EFS, ELB, Redshift, CodeDeploy, SNS, CloudWatch & Autoscaling, on AWS
●      Proxypass http/https request to java/tomcat applications.
●      Queue-it and AWS SQS for queue mechanism
●      AWS SES and Sendgrid 3rd party integration with Exim4 STMP server.
●      Disaster Recovery planning and management.
●      Maintain and secure AWS environment for public our interfacing applications.
●      Prepare infrastructure for high traffic for the Magento storefront
●      CI/CD setup for release management using Jenkins and Bitbucket Pipeline
●      Dockers management for development environment.
●   Basic automation task using Ansible using Adhoc and Play-books.

• Maintain the hosted dedicated servers on different DCs like UnitedLyer, Hetzner, Coreix and Peer1.
• Resolve Spam/Abuse issues requested by DCs.
• Maintain the cloud instances on AWS.
• Monitoring the servers performances on NAGIOS , CACTI and Zabbix (Open source NMS)
• Prevention from open resolver, open relay and netbots.
• Installation of LAMP, FTP and SMTP servers.
• Drupal and Wordpress support given to developers.
• Check syslog, maillog, kernellog and apache logs for troubleshooting.
• Administration of Linux based OS like FreeBSD, Ubuntu, Debian and CentOS.
• Maintain the Freeswitch Performance.
• Mysql Administration and bash scripting.
• Email Correspondence with the foreign clients.
• Monthly infrastructure meeting.
• Installations of tomcat, nodejs, rabbitmq and media converters like (ffmpeg and avconv).
• Maintain the firewall rules and KPI.
• GitLab and WHMCS servers’ installation

• Maintain the Microsoft 2003 and 2008 servers like Exchange, Domain, DHCP, Active Directory and TMG 2010.
• Maintain and configure the Cisco Switches 35XX and 29XX.
• Configure and maintain the coverage of Wi-Fi using Routers and Access Points.
• Arrange Audio & Video Conferences based event with CIR Bandwidth.
• Daily and weekly Symantec backup using tape drive.
• Maintain the Ving Card Door locks and encoders.
• Outlook configuration and mail merge.
• Maintain indoor and outdoor CATV system.
• Supervise overall CCTV system with 4 Samsung DVRs and above 100 cameras.
• Maintain Opera Hotel Edition database and Micros POS.
• Hardware and Software Support for Guest and Back office.
• Maintain the servers of Dell Power Edge series, hp Proliant series and IBM Rack mount