I am an IT professional with 10 years of experience in the field of Systems Administration, Engineering and Infrastructure design. Having specialized skills in technologies like Virtulization, Database systems, Automation, Application deployments & Servers management .I have a strong communication and interpersonal skills that help me to work in any size of enterprise environment. The following are the key technologies that I have worked on: OPERATING SYSTEM: Red Hat Enterprise Linux 3, 4, 5, CentOS 6, Ubuntu, Debian and Windows Server 2003, 2008, 2012 SERVICES: DNS Bind, SQUID with Caching and DMZ, DHCP, NTP, Sendmail, Postfix, VSFTP, SCP, sFTP, ,NFS, NIS, SSH, NFS4, Auto mount, Windows DC, SAMBA, LDAP, kickstart, Cobbler, PXE, TFTP. WEB & APPLICATION: Apache Webserver, Tomcat, Weblogic and Glass Fish application servers. SECURITY TOOLS: SELinux, Various Intrusion Detection Systems (IDS) AIDS, Snort, Tripwire, IPTables, ACLs, SSL, Security Services, Digital signatures / certificates, Public / Private keys CLOUD COMPUTING/ VIRTULIZATION: VMware ESXi Server 4 & 5, VCenter 4,5, Citrix Xen servers, vcloud director and Amazon AWS. Monitoring Tools & Remote Administration: Spacewalk, Redhat Satellite server, Nagios, Zenoss, SSH, Putty, telnet, vnc Load Balancing : HAProxy, Apache and F5s Networking: Cisco (switches and routers) Databases: Oracle 10g, MySQL 5, MS SQL Server, MS Access, MySQL Replication, MySQL High Availability, MongoDB, replicaset and sharding, Hardware: HP Proliant DL 580, Dell Power Edge 2950, Cisco UCS. Configuration Manager: Chef and Puppet Continuous Integration & Revision Control System: Hudson, Jenkins, Git and Subversion IT Processes and Standards: ITIL

Senior Systems Engineer - DevOps (Contract) @ I have been working in the following areas; - Troubleshoot and resolve Linux issues on production and test environments. - Install Redhat/Centos Enterprise Linux 6 & 7 servers by using Cobbler servers - Install and configure Puppet Enterprise Server and Clients - Create Puppet Modules & provision windows & Linux systems including services configurations - Using Puppet Console applying run time configurations to Linux client machines - Install and configure tomcat instances and administer and deployed WAR on it - Created automatic VM Provisioning system by using Jenkins, Puppet & Svn servers. - Build java code using Maven and deploy on tomcat servers. - Use HA proxy as load balancer for the applications - Administer and configure Linux VMs on Citrix Xen platforms. - Install and Configure Nagios Server and Install Nagios nrpe client on Linux boxes. - Use Git for version control for puppet modules and application source code. - Install certificate for SSL termination on Apache and Haproxy servers. - Generate Openssl certificate request for to Thawte certificate provider. - Configure Yum repo servers of Linux Distros and provisioned updates all Linux client. - Configure Winbind service for Linux to authenticate with Windows Active directory server and use all use sudoers for access restrictions. - Use Iptables for hardening Linux Servers for Inbound access. - Managing Linux VMs on Redhat KVM platforms. - Troubleshooting and Managing servers on glassfish and tomcat environment. - Creating Ruby & Python scripts for Linux provisioning and Integration. - Use HA proxy as load balancer for the applications - Hardening Linux Servers as per company policy requirements - Performing Backups on Oracle server and doing patching quarterly. - Configuring and Monitoring servers on Nagios Environment. From May 2015 to Present (8 months) Infrastructure Systems Engineer - DevOps (Contract) @ I have been working in the following areas: - Troubleshoot and resolve Linux and Windows issues on production and test environments - Managing Infrastructure on Cisco UCS and VMware vSphere Environment. - Monitoring system resources using Foglight Monitoring system. - Performing configuration management using BMC Blade Logic software. - Install Chef Server and deploy agent on all Linux and Windows Server. - Write Chef Cookbooks and do configuration management on Linux & Windows servers. - Created complete automatic VM Provisioning system using Jenkins, Chef, Stash servers - Created Stash (git) Servers for checking in out code and keep track changing. - Creating PowerShell script/cookbooks for Windows provision VMS - Creating Ruby & Python scripts for Linux provisioning and Integration. - Creating Python scripts for Infoblox integration with Provisioning build system - Install and configure Zabbix Monitoring system - Migrating clients from Foglight monitoring systems to Zabbix Monitoring systems. - Create checks on Zabbix to monitor client VMs and Physical servers - Automating VM Decommission process using Jenkins Server - Automating Provisioning VM build test process (Smoke test) - Performing daily check on IBM Trevoli Storage Manager, Cisco UCSM. - Provisioning Trend antivirus installation and configurations on Windows And Linux systems. - Installing and configuring MySQL& Postgres databases on Enterprise Linux servers. - Setting up backup jobs for MySQL& Postgres DBMS. - Joining Linux machines to windows domain using Likewise PBIS utility. - Install and configure VMware VSphere 5.5 environments on top of Cisco UCS platform. - Create vCenter server SSL certificate and deploy on all vCenter services in the environment. - Patching Redhat/CentOS Linux by using Redhat and Spacewalk Network Portal - Created Redhat Satellite Proxy Server for decreasing latency between US & UK sites. From May 2014 to April 2015 (1 year) London, United KingdomSenior Cloud Systems Engineer @ I have been working in the following areas; - Troubleshoot and resolve Linux issues on production and test environments. - Install and configure Vmware Vsphere 5.5 environments on top of Cisco UCS platform. - Managing vAPPs on Vmware vCloud director 5.1. - Managing vCloud Infrastructure with VCenter environment. - Managing Linux and windows Servers and Applications running on it. - Use Jenkins to run jobs and provision Linux and windows servers - Install and configure Chef Enterprise Server and Clients - Create Chef Recipes and provisioned Linux & windows Systems including services installations and configurations. - Create vCenter server SSL certificate and deploy on all vCenter services in the environment. - Creating Windows and Linux template for provisioning new servers using chef recipes - Using Chef Console applying run time configurations to Linux client machines - Install and configure tomcat instances and administer and deployed WAR files on it. - Build java code using Maven and deploy on tomcat servers - Install and configure Apache webserver. - Managing Cisco UCSM system components including chassis, blades & Fabric Interconnects. - Configuring Splunk servers and monitoring logs by using Splunk web portal and troubleshoot issues accordingly. - Using commVault to take data backup of complete environment. - Setup CommVault clients on Linux and windows system to prepare them for backup - Working on Mongo Databases and Cluster. - Use HA proxy as load balancer for the applications - Installing and configuring Microsoft SQL Cluster for RMS (One) Applications. - Administer and configure Linux and Windows VMs on Vsphere platforms. - Using Git version control for source code. - Administering Zenoss for monitoring Linux servers in production environment. - Hardening Linux Servers as per company policy requirements From May 2013 to May 2014 (1 year 1 month) London, United KingdomSenior Linux Systems Engineer (Contract) @ I have been working in the following areas; - Troubleshoot and resolve Linux issues on production and test environment. - Install Redhat/Centos Enterprise Linux 5 & 6 servers by using Cobbler servers - Install and configure Puppet Enterprise Server and Clients - Create Puppet Modules and provisioned Linux Systems including server Hardening, and services configurations. - Using Puppet Console applying run time configurations to Linux client machines - Install and configure tomcat instances and administer and deployed games WAR application on it. - Build java code using Maven and deploy on tomcat servers. - Use HA proxy as load balancer for the applications - Administer and configure Linux VMs on Citrix Xen platforms. - Install and Configure Nagios Server and Install Nagios nrpe client on Linux boxes. - Install Nagios QL with Mysql database to create Nagios Active and Passive checks. - Administrate MYSQL NDB Cluster as backend database of java applications. - Use Git for version control for puppet modules and application source code. - Install certificate for SSL termination on Apache and Haproxy servers. - Generate Openssl certificate request for to Thawte certificate provider. - Configure Yum repo servers of Linux Distros and provisioned updates all Linux client. - Configure Winbind service for Linux to authenticate with Windows Active directory server and use all use sudoers for access restrictions. - Use Iptables for hardening Linux Servers for Inbound access. - Administer NoSQL databases including Cassandra and Mongo. From March 2013 to May 2013 (3 months) London, United KingdomLinux Systems/Devops Engineer (Contract) @ I have been working in the following areas; - Troubleshoot and resolve Linux issues on phone & email by following PCI-DSS rules - Install Redhat/Centos Enterprise Linux 5 & 6 servers by using Kickstart/satellite & Cobbler servers - Install and configure Debian 5 & 6 servers by using Kickstart & cobbler servers - Configure Space walk and satellite servers package repositories for Linux boxes. - Administering F5 load balancer and the pools connected to it. - Administering MYSQL databases running behind monitoring tools - Create pools in F5s and assign web servers in it and connect it with virtual server. - Installing/configuring Tomcat Servers on all WorldPay payment and central servers - Installing/configuring Apache Servers on all WorldPay payment and central servers - Installing/configuring Squid, Postfix and injector servers on all management servers - Use Ant to Build code and deploy Java based web application on Tomcat boxes. - Building Application Code and deploy on Apache cluster with the help of F5. - Install SSL certificate on Apache and F5 Apache load balancer - Patching Redhat/Centos Linux OS by using Redhat and Spacewalk Network Portal - Creating Linux based shell scripts for managing system specially cronjobs Activities - Implementing OS security/hardening and designing system architectures - Install and manage Quova Geopoint Servers for Geographic IP screening. - Install and Manage Hardware Security Module (HSM) for managing digital keys - Using Git version control for source code. for payment, central and management servers. - Administering Nagios for monitoring Linux servers in production environment - Administering Linux VMs on VMware Vsphere 5 Virtualization environment. - Creating RPMS for Devops team. - Hardening Linux Servers as per company policy requirements From September 2012 to March 2013 (7 months) London, United KingdomLinux Systems Administrator @ I have been working in the following areas; - Troubleshoot and resolve Linux issues on phone & email by following PCI-DSS rules - Install Redhat/Centos Enterprise Linux 4 & 5 servers by using Kickstart/satellite & Cobbler servers - Install and configure Debian 5 & 6 servers by using Kickstart & cobbler servers - Install and configure Ubuntu 8 and 10 servers by using Kickstart servers - Configure Space walk and satellite servers package repositories for linux boxes. - Providing Oncall support to customer on weekly basis when required - Administering F5 load balancer and the pools connected to it. - Create pools in F5s and assign web servers in it and connect it with virtual server. - Installing/configuring Tomcat Servers on all our Gala bingo games boxes - Use Ant to Build code and deploy Java based web application on Tomcat boxes. - Building Application Code and deploy on Apache cluster with the help of F5 - Working on Amazon web services (AWS) for Gala Playtech cloud migration environment. - Administering and monitoring outages by using Nagios Monitoring tool - Configuring Splunk servers and connecting Linux Apache web servers clients to it. - Monitoring Apache logs by using Splunk web portal and troubleshooting issues By having servers in the cluster. - Administering Fedora LDAP directory server - Administering Nagios for monitoring Linux servers in production environment - Administering Linux on VMware Virtualization environment - Running SQL scripts on MySQL and Oracle DB environment - Administering MYSQL databases running behind monitoring tools - Performing MySQL Replication and performance tuning - Providing automated configuration and maintenance of servers using Puppet policy based configuration management - Configuring Puppet Master and connecting Linux client agent to it - Creating Puppet modules for Apache web servers and other Linux configurations - Integrating and administer memcache with Apache. From September 2010 to August 2012 (2 years) London, United KingdomSystem Operations Administrator @ I have been working in the following areas; - Troubleshoot and resolve Oracle & Linux issues by telephone and e-mail - Install Redhat/CentOS Enterprise Linux 4 & 5 servers by using Kickstart mode - Providing Oncall support to customer on weekly basis when required - Building Java Code with ANT and deploy on BEA Weblogic Clusters - Migrating current Weblogic8 environments to new Weblogic10 environments. - Monitoring and Administering Weblogic8/Weblogic10 Cluster environment - Generating self-signed Open SSL Certs and assigned it to staging web environments. - Retrieving SSL certs from Thwate and deploy on production web environments - Taking Backup of Oracle 10g by Import and Export - Running SQL scripts for performing DDL and DML operations - Created SSL Monitoring tool by using Perl/bash scripting languages - Doing Language translation by updating CONFIG_FREEFORM_TEXT and CUSTOM_FREEFORM_TEXT schemas - Using CVS/SVN to manage all Java J2EE based projects in an ITIL environment. - Administering and Monitoring of Apache Server that provides load balancing to Weblogic instances in customer domain - Creating Linux based shell scripts for managing system specially cronjobs activities - Administering and deploying Foglight montoring tool with Oracle DB Weblogic Instances - Administering Fedora LDAP directory server. - Joining Linux boxes to Windows 2003 AD domain by using Samba/Winbind services with the help of PAM (Pluggable Authentication Modules) - Providing Disk management support through RAID, LVM & Disk Quota Utilities - Administering of Sendmail servers - Administering Jira Ticketing software and its Mysql database. From August 2008 to September 2010 (2 years 2 months) Oracle & Linux Support Analyst @ I have been providing support in following areas; - Troubleshoot and resolve Oracle & Linux issues by telephone or e-mail - Visit client premises to resolve critical Oracle & Linux problems. - Install and Configure Oracle Enterprise Linux 4 & 5 on enterprise servers - Integrate Windows and Linux environment with Samba server - Install and Configure Apache/ Tomcat Server on RHEL4 - Install and Implement NIS NFS SAMBA over clients and troubleshoot the problems - Install Oracle database version 8i, 9i & 10g on Windows, UNIX & Linux platforms - Implement and Troubleshoot Oracle Enterprise Servers on HP-UX, AIX & Solaris OS - Developing and Implementing Linux Servers Strategy - Configure Linux based Routing on small clients - Implemented Redhat Clustering on few open source clients - Monitoring Open Source Systems by using Simple Network Management Protocol - Providing Disk management support through RAID, LVM & Disk Quota Utilities - Performance monitoring on Linux and Oracle systems - Implemented Open source Sendmail, Squid server, IPTables with SSL Configuration - Implemented Syslog Server with Cron Jobs to most clients - Implemented Automated System Startup Script for Linux and Oracle to most clients - Patched and Install kernel and load modules - Install Oracle database version 8i, 9i & 10g on Windows, UNIX & Linux platforms - Analyze & develop PL/SQL stored procedure and triggers - Tune database using Oracle Enterprise Manager (OEM) - Use Oracle Enterprise Manager to manage applications - Responsible for maintenance and support for company 24/7 production database - Coordinate multiple Oracle projects by the following project plans and assume the Responsibility for them in the area of Oracle database expertise. - Perform backup and Recovery using RMAN - Implementing Oracle Data Guard Technology From July 2004 to June 2008 (4 years) Pakistan

Bachelor of Science (B.S.), Computer Engineering, 1st Division @ Sir Syed University of Engineering and Technology From 2001 to 2004 National high school Muhammad Usmani is skilled in: Solaris, Unix, Apache, Shell Scripting, Linux, VMware, High Availability, Servers, Nagios, Virtualization, RedHat, Cluster, VMware ESX, Ubuntu, CentOS, Red Hat Linux, DNS