OBJECTIVE:

7+ year Professional System Administrator with Experience in Linux, UNIX and Microsoft Windows. Very well versed with virtualization technologies like Confidential and Xen hypervisors along with various storage technologies SAN and NAS.

SUMMARY:

• Over 7+ years of experience specialized in System Administration, and Application Support working on Red Hat Linux, IBM AIX, Oracle Solaris, and Windows environments.
• Experience in installation, configuration, backup, recovery, and maintenance, Support of Red hat Linux, HP, Solaris and IBM AIX.
• Migration Lead, Responsible for coordinating and implementing migration procedures. And technical lead for resolving post Data Center migration issues.
• Expert in Confidential esx hosts (5.5, 6.0, 6.5) on various hardware such as Hp blade servers, Dell rack mounts and cisco UCS.
• Experience in Creation and managing user accounts, security, rights, disk space and process monitoring in Red Hat Linux, IBM AIX and Solaris.
• Experience in writing scripts in Perl and bash to automate the administrative tasks and management using cron.
• Provided recommendations to improve existing systems HW and software to system manager.
• Wrote system design, implementation plans, and updated documentation in share drive
• Team player with good management, analytical, communication and interpersonal skills.

TECHNICAL SKILLS:

Operating Systems: Linux (Red Hat 5, 6 and 7, SUSE 10, Cent OS), IBM AIX 6.1,7,1 5L (5.1, 5), Sun Solaris 9.0, 10.0, Confidential ESX 5.5, 6.0 and 6.5.

Hardware: IBM P Series 630, 650, 670, M80, S80, H70 and H80, HP DL 380s and 580s, Dell EMC, and Hitachi arrays, Backup Devices, Ethernet Hubs, Routers, Printers DELL PowerEdge R610, R630, R710, R720, Cisco UCS B series.

Programming Languages: Perl and Shell programming, C++, PHP

Web/Application Servers: Apache Server, Tomcat 6.x

Applications: HACMP, Nagios, Veritas NetBackup, Veritas Volume Manager, LVM, EMC, RSA Authentication Manager, Relay, Debit Card Authorization Process, Nagios core, Nagios network monitor, nagiosxi, Nagios fusion, Confidential P2V, Platespin P2P and P2V. Centrify, Quest One Identity Manager, Quest Quick Connect

Networking: TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, SMTP, LAN, FTP/TFTP.

RDBMS: Oracle 10g/11g, MS - SQL Server 7.0

PROFESSIONAL EXPERIENCE:

Confidential, Atlanta GA

Sr Systems Administrator

Responsibilities:

• Experience in Designing, Building and supporting IBM and Red Hat 5, 6 and 7 on Systems HP DL380 and DELL Power Edge R720, Cisco UCS Manager 2.2(3d) environment and AIX 5.3, 6.1 & 7.1 on Power 5, Power6, Power7 & Power8.
• Support for Linux/Unix systems administration, operational support and problem resolution for server systems. Created shared NFS file system, mounting and unmounting NFS server, NFS client on remote machine, sharing remote file folder, starting & Stopping the NFS services.
• Migrated Nagios core 3.2 to Nagios xi 5.2.9. Created custom plugins and scripts to monitor server using Nagios. Nagios XI implementation for more than 2000 Servers, all kind of network Devices, Network Traffic Monitoring. Installation and configuration of Nagios XI. Used SNMP ports, also used NRPE for LINUX and UNIX servers and NSC Client customization in order to monitor custom applications, webservers, databases etc.
• Implementation of Quest One Identity Manager Dell IDM for 1 Commercial Client.
• Implementation and Design of Quest Software Identity Management Solutions Quest One Identity Manager, Authentication Services and Enterprise Single Sign-On.
• Configuration and Implementation of QAS Quest Authentication Services.
• Implementation and Configuration of Quest Quick Connect and Quest Quick Connect for Virtual Directory VDS.
• Implementation and Configuration of WebThority.
• Virtual SaaS Implementation for Cloud Identity and Access Provisioning
• Work with application specific kernel parameters, system hardening, implement firewall, allow and disallow port access. Work with latency sensitive workload that includes process scheduling, memory, network and overall performance tuning of RHEL x86 servers and IBM AIX.
• Working in reverse engineering i.e. analyzing and documenting application architecture and Proficiency with distributed computing, Load Balancers fail over, high availability, infrastructures.
• Building RED HAT Linux servers 6.9 using Cisco Hardware. Configured VLANS and HBA’s on Cisco Hardware.
• Worked on development of migration procedure of physical Linux servers and suggesting the best possible way of migrating them by doing P2V, P2P plate spin software.
• Migrated Physical Linux servers (P2P) by creating their custom kernels in plate spin software.
• Performed plat spin on physical Linux servers (P2V) to Cisco UCS blades.
• Perform V2V migrations on Cisco UCS servers from older hardware to newer hardware.
• Rack Cisco UCS servers, configure and install ESX hosts for Confidential and SAN boot ESX host.
• Worked on Confidential Sphere client 6.5 deployed and cloned Red Hat Linux and windows servers.
• Created and managed operational dashboards, widgets, views and reports. managed properties, metric and alert definitions within vRealize Operations Manager
• Integrate new Linux and UNIX servers into Centrify, manage Servers from console.
• Perform patch management on Linux servers using Redhat Satellite server using custom repositories and managing them.
• Design and implementation of Network Management and Security policies in the Campus Network.
• Configuration of Fabric path and connectivity between Nexus 5K and Nexus 7k.
• Supported DR activities on migration issues like connectivity and User login issues. Worked on Lift and Shift Migration Method for Linux and Windows servers.

Confidential, SFO, CA.

Systems Administrator

Responsibilities:

• Installed, upgraded and configured Redhat Linux / 6 /7 and IBM AIX 6.x. This included Kick start Installation, NIM Installation and CD media.
• 24x7 rotational on-call support, driving Root Cause Analysis (RCA), Preventative action follow-though, and participation in weekly operations reviews.
• Including managing the trouble ticket queue, responding to proactive monitoring alerts, executing change controls, routine maintenance, shell scripting, performance monitoring, tuning, and system diagnostics
• Participation in all on-going infrastructure initiatives including: Software Currency, Hardware Technology Refreshes, Security hardening / Patch currency, and Enterprise Monitoring process improvements.
• Nagios Migration from Nagios core to Nagios XI enterprise version with Nagios fusion integration on top. Created Custom Plugins and scripts for monitoring. Trouble shoot Nagios XI, Taking Ticket system integration with Nagios xi. Custom Modifications in order to do required groupings. Integrated 4 Nagios XI in different Environments along 1 Amazon AWS server into Nagios fusion. Integrated Nagios XI to Nagios Ticketing manager to make auto ticketing.
• Editing PHP scripts on Web servers and updating new information
• Developed utilities in perl, including templates and configurations for Nagios, PRTG, and basic system configurations. Wrote custom plugins for Nagios.
• Created users, Manage user permissions, maintain User & File System quota on Red Hat Linux and AIX.
• UNIX Administration on Solaris 9 & 10, VERITAS Cluster Server, VERITAS Volume Manager, bash scripting, EMC Power Path Administration
• Experience on Confidential ESX & vCenter system, Deploy Virtual Machines and use Clones, Snapshots, and templates.
• Installing, patching, upgrading guest OS on Confidential and Vsphere client systems.
• Analyzes, logs, tracks and resolves complex software/hardware matters of significance pertaining to virtual infrastructure.
• Planned and executed packages and updates installations necessary for optimal system performance on linux servers.
• Patch management for linux and unix servers and removing vulnerabilities.
• Knowledge on Has sound knowledge of troubleshooting performance issues with application, Storage and network team to Identify, Isolate and resolve Virtual environment performance issues.
• Setup network printers and installed client/server applications. Defined/setup network protocols, Network file services (NFS), and Network Information Services (NIS) in Linux and AIX systems.
• Configured and administrated POWER VMs’s.
• Configuration and Maintenance of AutoFs in AIX and Linux.
• Built high-end servers, creating and loading images on Solaris, HP-UX and Linux servers using System manager tool.
• Installed, configured and managed Oracle Real Application Cluster (RAC) in Solaris, HP-UX and Linux servers.
• Proficient in configuring KickStart and jumpstart servers to initiate installation of Red Hat Linux and UNIX (SOLARIS/ AIX) respectively on several machines.
• Patches and Package administration for installation of patches as per company policy and installation of packaged application.
• Installed, configured and managed Redhat Cluster Suite in Linux servers.
• Worked on live upgrades in Solaris and HP-UX servers. Configured and managed Zeta byte File System (ZFS) in Solaris, HP-UX and Linux Servers
• Linux kernel, memory upgrades and swaps area and performed Red hat Linux Kickstart installations.
• Work with developers to architect and enhance applications Monitor system performance and plan for future capacity and scaling Participate in an on-call rotation.
• Administrate the document management system: users, roles, access control lists, business models, data models, and license management in team center
• Analyzed and maintained PLM system performance.
• Level 2 application support for Teamcenter Admin support, User creation, Role assignment, Workflow issue, license assignment.
• Level 3 support for TCM users - Configure and maintain Teamcenter workflows, responsible for assisting users in Trouble Shooting of Workflow related.

Confidential, Richmond, VA

Linux administrator

Responsibilities:

• Administered, maintained Red Hat 5.x, 6.x troubleshooting hardware, operating system, applications & network problems and performance issues
• Deployed latest patches for, Linux and Application servers, performed Red Hat Linux Kernel Tuning
• Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on Solaris and Linux servers
• Operating system, Application server & web (Apache) server installation and configuration, Advanced scripting and automation
• Experience on Dell C6100 series servers including firmware patching and Kickstart(Cobbler) creation and usage
• Patch management including security related patching and Monitor servers and applications
• KVM command line interface including Guest Creation, Management and Familiar with Spacewalk and using it to manage server configuration
• As built documentation of completed work products (e.g., server layout, Kickstart packages, routing, etc.)
• Experience on KVM Virtualization in RHEL 6, creating, cloning and Managing VMs
• Implemented virtualization using Confidential in Linux on HP-DL585 and IBM-z/VM series.
• Implemented day-to-day tasks in Red Hat Linux that include upgrading rpms, kernel, HBA driver, configuring SAN Disks, multipathing and LVM file system
• Installed, configured and administered AIX 4.3.3, 5.1, 6.1 & HACMP 4.4.
• Performed successful installations, configuration and maintenance of Highly Available Cluster Multi Processing (HACMP)
• Experience in Migration of HACMP 4.3.1,4.5 to HACMP 5.1 using Node-by-Node migration without changing the cluster setup
• Worked on Webservers; JBoss, Tomcat 6.x/5.x/4.x/3.x & Apache Server 2.x/1.x
• Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production
• Developed Korn and Bash shell-scripts to automate routine activities
• Data Warehousing and System Backup using tar, cpio for local systems and Veritas Netbackup for enterprise wide backup and recovery
• Manage systems using remote consoles like ILO for HP Hardware and HMC for IBM P-Series
• Network trouble shooting using 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc
• Monitored trouble ticket queue to attend user and system calls, attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.
• Updated data in inventory management package for Software and Hardware products.
• Capacity Planning, Infrastructure design and ordering systems.

Confidential, Boca Raton, Florida

Linux/UNIX Administrator

Responsibilities:

• Installed, upgraded and configured Redhat linux 5.x/6.x and IBM AIX 5.x/4.x. This included Kickstart Installation, NIM Installation and CD media.
• Installed/Configured Websphere and other Application Servers.
• Installed, configured and administration of Application Server 6.x, Network Deployment, MQ 5.x, 6.0, Jboss 4.x on Linux, AIX.
• Made custom profiles for the AIX POWER VMS on the frames by using Virtual Fiber channel adapters, Virtual Networks on P770.
• Installed Fix packs on Application Server and added patches using Update installer.
• Installation and configuration of LVM & HACMP on various AIX Servers..
• Worked with Oracle Database Administrators and reviewed the required maintenance tasks.
• Installed RPM packages on Linux Servers.
• Generated HTTP plug-in config and configured with web servers by doing manual edits.
• Used SMIT and LVM commands for administration and Disk Management for IBM AIX based Servers.
• Configured and administrated POWER VMs.
• Configuration of DHCP Server on Linux to get the IP Addresses Dynamically.
• Configuration and administration of DNS, LDAP, NFS, NIS, NIS+ and Sendmail in Red Hat Linux, IBM AIX and Solaris.
• Configured SAMBA to get access of Linux shared resources from Windows.
• Day to day Linux and AIX hardware support, problem and change ticket implementations, composing scripts, OS builds & upgrades along with day-to-day Storage & UNIX Administration.
• Tested and implemented Root disk mirroring.
• Taking Backup and restoring the data using mksysb.
• Solaris Performance Monitoring and Tuning using iostat, vmstat and netstat.
• Configuration of Secured Shell (SSH) in both AIX and Linux servers.
• Configuration and Administration of Apache Web Server and SSL.
• Creating and managing VM’s through Virtual Centre and VI client.
• Test Centrify logon on a STIG Linux system.Install and configure.
• Centrify server suite/ Centrify Audit for User Authentication and AD integration to Linux systems and security Audit.
• Adding newly built servers to Centrify.
• Install and configure Centrify middleware to integrate the DirectControl agent with open-source Samba
• Scripting for automating changes during move to speed up process.
• Reviewed Web Server, Application Server Performance Monitoring data using Tivoli Performance Viewer and reviewed historical Tivoli logs for root cause analysis, recurring events and involved in troubleshooting the recurring problems.
• Installed Configured EMC disk devices in AIX servers.
• System Backup using tar, cpio for local systems and Veritas Netbackup for enterprise wide backup and recovery.
• Hand on experience on IP Addressing, Sub netting.
• Experience in designing, implementation and operations of enterprise data networks as networking engineer.
• Enterprise Switching with VLANs, Trunks, Spanning Tree, Port Spanning etc.
• Installation and configuration of Citrix NetScaler MPX 8200.
• Designed, implemented and maintained WAN technologies like DWDM, MPLS, VPLS and tunneling technologies.
• Documenting each step and testing procedures before the migration.
• Take full gathering of data and ensure everything planned and documented so other team members can use it during their support hours.