Have 8+ years Technical Experience over Clustered and Cloud Computing, Data Base and Unix/Linux Distros.
Since start working on eCommerce Payment gateways and Merchant Servers securing them as per highest standards of payment card industry and also conducting PFI on already compromised servers.
Manager Systems & Projects
ePlanet Communications Inc. January 2013 - at PresentDesigning and Migration of Application and Database to Distributed Fault tolerance Regional Distributed NoSQL/RDBMS Architecture with Automated Recovery and auto healing scripts.
Looking after Software Development department working on ERP and Soft Switch using Angular, Node.js, Cassandra, Asterisk, Percona XtraDB, LAMP and MEAN stack etc. Creating in House development Architecture, Staging Servers and Release system of Applications . Migrating Realtime Application from Mysql to Oracle and MQ (message broker Server)PCI DSS Compliance of Systems and Applications.Technologies used: Apache, Nginx, Squid, Mysql, MongoDB, Maria DB, Oracle 11G, RAC, PostgreSQL, Weblogic Web server, Tomcat, Glass fish, Bash Scripting, PHP 5.x, Amazon EBS, EC2, S3, Elastic Load Balancer, netfilters, iptables, Subversion, git, HA proxy, Zabbix, Cacti and Postfix etc.
Company Sponsored hands on training by Digium (Asterisk builder) from Malaysia.
Breezecom Telecom September 2012 - December 2012Looking after 120+ Linux/Unix/Solaris/LAMP Servers which include Java App. Server (Tomcat/Glass Fish), Log Server, Reverse Proxy Server (Nginx and squid), Load Balancers and failover System, Petabytes Database servers in cluster (Oracle Cluster ware and Mysql in MM/Daisy Chain Slaves) their performance and optimization with IBM SAN as Storage. Monitoring of overall Systems and network using Nagios and Cacti. Using Bash scripting and Chef to make automated Tasks and failover Jobs done.
Beampay Pvt Ltd UK/UAE (Paypal like Payment gateway company) March 2012 - August 2012Designing Configuring and Full Technical Support to UAE Datacenter, which include Java Application Server (Glass Fish J2EE Webserver, JBoss, Tomcat, Jetty, Apache Solr Search Engine), Nginx Webserver, JIRA, PostreSql database Server, Development and Staging Environment and complete Payment Gateway with PCI Compliance. Moreover looking after RAID-LVM based Storage and High Availability, Fault Tolerance and removing single point of Failure. Sole Responsible for UAE Servers smooth Operations.
Lead System Administrator
eKalsoft Pvt Ltd January 2011 - March 2012Looking after Data centers Systems/ High Traffic Web/Java Application (J2EE) / DB/ Clustered Servers and High Availability of all Systems and Network including Patch Management/Log Book Maintenance/ Maintaining SOPS for different kind of systems/ on demand daily/monthly/yearly PCI Scan for keeping PCI Compliance Valid. Removing Bottle necks and Provide Support to Edge Servers under Our CDN.
Also looking after Inhouse Development Servers including Apple SDK Server for Iphones and Ipad and Android 4.0/2.3 for x86. JIRA for Bug Tracking and SVN for versioning the Softwares. Apache, Nginx, Mysql, Postgre SQL, Mongo DB (NOSQL) as Live Servers including HA Proxy, ELB, Xen Load Balancer, Master-Master Replication and failover for Mysql DB, Mirroring of Postgre Sql . Recommend changes to be done in Application for High Availability Better Performance and security.
Moreover Virtualizing the Amazon Cloud in-house using Citrix Xen Virtual Server.
Senior System Administrator Pakistan ,USA & Canada
ePlanet Communications May 2009 - May 2011Looking after Outsourced Web, JavaApps( J2EE tomcat/glassfish and jetty ) /DB (Mysql/ Postgre SQl, SQL Server 2000-2005) /Mail (Postfix/Exchange 2003) / Telcos and GSM(Sigma Tel) ) Servers hosted on Red hat/Solaris and HP-UX 11i v3 in Pakistan, USA (Datacenter and DR Site) and Canada. Performance Assurance/Tuning and Resolve any problem within minimum time In111cluding HW / SW / Power/Link/Load/PCI DSS Security Compliance Problems. Moreover created HPC cluster of 130 node using Apache hadoop, HDFS, HBASE, map reduce and Nutch for huge Telecom DB Parallel File system with fault tolerance (Oscar Cluster Manager, Open MPI and Ganglia as cluster monitor were also used).
Designing and correcting Infrastructure of different National and Multinational Companies according to PCI & SLA Compliance. Giving 1st Level Support and Leading System Administrators team Unix/Windows (US., CAN. & PAK. )
2014 - 2014
(1 year) Kuala Lumpur
BE Computer System Engineering
Sir Syed University of engineering
2005 - 2009
(4 years) Sindh