Senior UNIX System Administrator


I am an SC Cleared Senior UNIX System Administrator and an Oracle DBA with expertise in Client-Server Architecture and management of large-scale database applications. Currently I am working at CGI SYSTEMS UK LIMITED as Senior Linux Engineer in a DevOps role providing Linux Systems Administration and configuration management using ansible. I also have commercial experience on Financial Services working for Commonwealth Bank of Australia(CBA), EquiLend Holdings LLC(group of 10 global financial institutions) supporting their hosting infrastructure and banking applications. Primary responsibilities include Unix Systems Administration, Application Management, VMware/Virtualisation, EMC Clariion SAN Storage Provisioning and Management, System Testing and IBM MQ Series support. Core Skills: UNIX Systems Administration (Redhat Linux, Solaris, AIX), VCS, Veritas Netbackup, Veritas Storage Foundation/Veritas Volume Manager, ZFS, Puppet, Enterprise Application Management (e-commerce – JAVA Applications), Middleware (MQ), Apache/Tomcat, VMWare, Hyper-V(KVM, Xen) Splunk, DNS, Configuration Management Automation (Using Ansible), Jenkins, SVN, GIT, Shell Scripting, LDAP Skills summary OS Windows 95/98/2000/NT,UNIX (Solaris 9/10, Redhat Linux Server 4/5, HP-UX 11i, AIX 5.3/6.1, VIO, LPAR’s, IBM HMC SCO, Tru64), Open VMS/VAX, Novell Netware 4.11 Languages Developer 2000(Forms 4.5, Reports 2.5), Designer 2000, SQL, PL/SQL, pro *C, UNIX Scripting Database Oracle7.3/8.0.x/8i/10.2 Sybase, Ingress, OEM, MS SQL Server, LDAP, DB2, MySQL, Vertica DB, VoltDB HA(Cluster) Technologies VCS 5.1, Sun Clusters, Oracle ClusterWare(CRS), Redhat(Linux) Cluster, AIX HACMP, PowerHA, Tru64 Clusters Web Technologies ATG Dynamo v5.5/6.2/7.2, WebSphere v6.1, WAS admin, Weblogic v8.1, Jboss 5/6, Apache-Tomcat, JDBC, JVM 1.3/1.4, JDK, SunOne Web Server 3G Mobile Technologies GSM, SMSC, GPRS, SS7 and UMTS, PSA 3.1, SMPP 3.3/3.4 Protocols Hardware PCs, Alpha 4000 Server, RAID Controller, Network hardware (Switches, Routers, Fibre Optics), IBM HMC SAN Storage 3PAR 400T’s and 200T’s, Sun E200/400/Netra/E2500/E4500, EMC Clariion CX4 Series Virtualisation VMware vSphere 4.1(Install, Configure and Manage), ESX/ESXi 4.1, vCenter Server 4.1, VMotion, Cloning, VDI, DRS, HA, Hyper-V(KVM, Xen) Others MQ Middleware(MQSeries and MQSI), Veritas NetBackup, Veritas Volume Manager, TSM, Tivoli, Netcool, Autosys, Splunk, DNS, HPOV Configuration Management Automation Ansible, SVN, GIT, Jenkins, Nexus IT Experience: 19+ Years

Key Skills
  • UNIX Systems Administration
  • VCS
  • Veritas Netbackup
  • Veritas Storage Foundation
  • ZFS
  • Puppet

Work Experience

Senior Linux Administrator

CGI SYSTEMS 12 months

Provide support for the client suite of JBoss applications. Support the data centre infrastructure including Linux servers, storage and networking for Dev and QA environments. Maintain and create virtual machines. Configuration management automation using Ansible/GIT/SVN. Ansible-Automation experience include deployment of : Jboss Applications(Build, install, configure and administer) Apache/Tomcat Installation/Configuration management Jboss Log Rotation Disk Space Checks Removing Old backups VoltDB instances Monitoring Application Administer Jenkins with build deployments and releases Perform Software Upgrades Oracle and MySQL User/Schema Management Oracle and MySQL Backup management Network Troubleshooting and raise firewall changes Write Shell Scripts for user creation, System reporting Operating System Redhat Linux 5/6, Debian Linux, VMware/vSphere 5.5, ESX/ESXi 5.5, vCenter Server 5.5 Technologies Advanced working knowledge of Linux, Automation(Ansible), SVN, GIT, Jenkins, JBoss, Apache/Tomcat, HP ALM, network tools (TCP/IP tools such as ssh, ping, sftp, netstat, traceroute), VDI, PKI, SAML, DNS, Shell Scripting

Senior Linux Administrator

Nice Systems UK 12 months

Provide support for the client suite of JAVA applications. Support the data centre infrastructure including servers, storage and networking. Maintain and create virtual machines. Configuration management automation using Puppet/Kickstart or similar tools. Technologies Advanced working knowledge of Linux, Virtualization Hypervisors, storage, including SAN/ISCSI, RAID configurations, Ansible, JIRA, JBoss, Zabbix, Nagios, hardware load balancers, layer 4/7 load balancing, HAProxy, tcpdump Operating System Redhat Linux 4/5, Debian Linux, VMware/vSphere 5.5, ESX/ESXi 5.5, vCenter Server 5.5, RHEV, Hyper-V(KVM, Xen)

Senior/Lead Unix Systems Administrator

Verizon Business9 Years

Be the Lead Engineer(Leading 4-6 Unix engineers on shift schedules) for all Business/Machine Critical Issues and escalation point for EMEA, Dallas(Texas) and Cary-NC(US) Provide Systems Administration on various Unix platforms(including AIX, Solaris, Redhat Linux) Provide High Availability Cluster Management(HACMP, VCS, Redhat Clusters, Oracle CRS) AIX Infrastructure Management via IBM HMC Configuring LPAR’s and build VIO servers Backup Management using NetBackup and TSM Provide support for High Availability with IBM PowerHA, VCS and Redhat Clusters Provide Enterprise Application support with WebSphere, Weblogic, JBoss and ATG Dynamo Regular DNS Updates/Deployments Provide 3rd line Support Liaising with vendors/3rd party for Hardware and Software requirements IP Application Management including Services designs, implements, and managing e-commerce and corporate systems to achieve maximum availability, scalability, and fault tolerance Technical delivery of customer systems including proactive maintenance, patching, deployments, system upgrades, performance tuning, Splunk Deployments, EMC/SAN Storage management, problem solving, and remediation. Assist Senior Lead to ensure all alerts and tickets are processed according to Service-Level Agreements (SLAs). Implement changes as scheduled. Ensure proper documentation and processes are followed for incident, problem, and change management. Perform problem source identification and attempt to remediate problems. Process alarms, tickets, e-mails, and calls according to the Product Guides. Be an escalation point for the resolution of issues from Level 3 Engineers. Provide recommendation for process improvement. Perform Level 1 and 2 duties as required. Technologies ATG dynamo v5.5/6.2/7.2, WebSphere v6.1 with WAS Admin, Weblogic, Jboss 5/6, JVM 1.3/1.4, JDK, Sun One Web Server, Apache –Tomcat,Perl, MQ Middleware , Veritas Volume Manager, Veritas NetBackup, Veritas Cluster Servers, Redhat Cluster, Tivoli Storage Management, Tivoli, Netcool, HPOV, Autosys, SAN, Splunk, DNS, Remedy Management System, ETMS, VMware, Cloud Computing(Computing As A Service), EMC Clariion and 3PAR Storage Management Operating System Solaris9/10, HP-UX 11i, AIX 5.3/6.1, VIO, LPAR’s, IBM HMC, IBM PowerHA, Redhat Linux 4/5, Windows NT, VMware/vSphere 4.1, ESX/ESXi 4.1, vCenter Server 4.1

Senior Unix Systems Administrator

LogicaCMG Plc2 Years

Role involves technical support for all the Unix Systems, implementing change requests and upgrades. Responsibilities include general system administration, DNS changes, Oracle and Sybase database administration, back-up administration, SAN administration, installing patches, configuration of new servers, system hardening, capacity planning, performance analysis and tuning Technologies JVM 1.3/1.4, JDK, Sun One Web Server, Apache –Tomcat, Veritas Volume Manager, Veritas NetBackup, Veritas Cluster Servers, SAN, Remedy Management System Operating System Solaris, HP-UX 11i, AIX, Linux, Windows NT

Senior Systems Testing Engineer

Logica Plc2 Years

The role included End-to-end testing of Wireless Networks’ OMG short/multi-media messaging gateway application, Testing new releases of the OMG as a black-box product and also in a bespoke customer solution context, producing test specifications and test cases from user requirements. Technologies JVM 1.3/1.4, JDK, Apache-Tomcat, Perl, SMSC(Telepath), PSA 3.1, SMPP Protocols, Remedy System, Lodestar, SS Tool, Automated Test Tool, CMC Operating System HP-UX 11i, Linux, Windows NT

Oracle DBA and Testing Engineer

Logica Plc12 months

In this role I was managing the day-to-day activities of the NETA development environments, maintaining system availability, archive redo log files, standby databases, performing backups and ad-hoc recovery, assessing and installing necessary Oracle software, controlling assets and system resources, controlling user access, providing support to developers, deploying new builds to agreed schedules and configuration, writing shell scripts, database tuning, creating new database instances and maintaining database security. Also responsible for monitoring the NETA Central System’s production environments and database growth. Technologies Developer 2000(Forms 6.0.2, Reports 6.0.2), SQL, PL/SQL, Java Script, Apache Web Server, HTML, JDBC, Shell Scripts, Perl Operating System Tru64 UNIX 5.0/5.1A with clusters, Linux, Windows NT, RAID Controllers

MQ and MQSI Analyst

Logica Plc6 months

Responsible for configuring MQSeries Client/Server, fault identification, analysing MQ related issues and provide cost effective resolutions whilst liaising with third party service providers. Technologies IBM MQSeries and MQSI, MQ Client, MQ Server, Shell Scripts Operating System Sun Solaris UNIX System

Oracle DBA

Logica Plc12 months

Responsibilities included installation and configuration of Sun Solaris servers and Oracle 8i, creating databases, network configuration, developing scripts for backup/ recovery and managing day-to-day database requirements which also included troubleshooting, customer liaison, data migration, database tuning, generating web performance statistics. Technologies SQL, PL/SQL, Java Servlets, Tomcat, JSP, HTML, WML, Apache Web Server, WAP, XML, JDBC, Shell Scripts Operating System Sun Solaris UNIX system

Oracle DBA and UNIX Systems Administrator


Responsible for database creation, system configuration, creating database objects and customisation of the application requirements, table partitioning, installing and performing upgrades to the Oracle Server and application tools, system security, performing database and application tuning, query optimisation and troubleshooting. Technologies Developer 2000(Forms 4.5 Reports 2.5), Designer 2000, SQL, PL/SQL, OEM, Shell Scripts, perl Operating System Digital UNIX 4.0D , Open VMS/VMX, Linux, Windows NT