SUMMARY

• IT Professional with 10 + years’ experience and recognized for exceptional technical proficiency and astute understanding of business operations. Outstanding problem - solving, analytical and decision-making skills with proven ability to conceptualize solutions to challenging situations and implement practical, cost-effective project plans.
• A talented strategist, communicator, Team player, project leader and customer relationship manager. Trusted advisor to Senior Management. Areas of expertise include:
• Problem Identification & resolution
• Technical documentation and Implementation
• Support and maintain HP Proliant DL Series, C7000,C6000 enclosures,HP BL20,BL40 generation 2,3,4 HP PA-RISC, IBM X Series, HS Blade Centers & Sun Ultra enterprise servers (E3500, E4500, E450, E420R, E250), Sun Fire (6800/4800/3800/v880/280R) and Sun workstations (Ultra 5, 10, 20, Blade 100,150, 2000)
• Experience with day to day System Administration tasks like new Builds, Installs, Upgrades, Patches, Migration, Trouble shooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX (SUN Solaris, Red Hat Linux and HPUX) Systems.
• Experience working in Large and small scale Data Center Environments supporting Servers, Storage and Tape Libraries and Implementing Virtualization using VMware ESX 3.5 & 4.x Versions for Red hat Linux 5.x (5.3 &5.4) & 6.x and Windows and Solaris Zones & LDoms in Solaris 10 on Physical servers and Zlinux servers (S390X) running on Mainframe LPAR’s.
• Experience with fully automated server management, monitoring and deployment solutions spanning multiple platforms, tools and technologies including Jenkins Nodes/Agent, Chef, Puppet, Amazon EC2 and IBM Cloud Orchestrator (ICO).
• Worked on chef script to install Cassandra from source on servers and deploying the Cassandra cluster.
• Familiar with Splunk in creating Dashboards for generating the reports as required by Business and installing and configuring 3.x and 4.x versions on Linux /Solaris.
• Familiar working with VBlock and CISCO UCS blade servers.
• Familiar working with Linux on system Z and discovering the DASD and attended several training with IBM for zVM and IBM Wave for automating the zLinux server builds.
• Experience working on High availability (HA) servers configured in Cluster environment. (Redhat cluster, Sun Cluster,HP cluster)
• Configured and worked on HP ILO for HP servers, Idrac for Dell services, SUN console for Sun hardware (XSCF, SC, FUJITSU Prime Power)
• Extensive experience in Online and Offline Migrations using LVM, EMC Open Migrator & VERITAS Volume Manager, and Experience working with EMC SAN Storage devices like Clariion, Celerra, DMX and VMAX, VNX and worked with EMC Software’s like Open Migrator & Power Path and worked with EMC Clarion CX3 Series SAN storage and troubleshooting CX4 devices using Navi Analyser also worked with Hitachi’s USP, USPV and VSP storages.
• Experience on Red hat Linux Server & Desktop Environment using through Virtual Machine under VMware and Involved in Design, Planning and Implementing Migration activities to move application from Solaris 9, 10 & 11 to Redhat Linux Environment.
• Experience in Designing & Creating Zones on M3000, M5000 servers created LDoms on T2000, T5220 and T5440 servers and in Security Hardening in UNIX, Linux and Windows servers.
• Installed, configured and implemented the RAID 0/1/5 volume management using VERITAS Volume manager (3.5/4.x/5.0) and Solstice Disk Suite (SVM) on Solaris. Also Experienced in VERITAS file system (3.x, 4.x, 5.0), VERITAS Net Backup (4.x, 5.x, 6.x) for disk management and mirroring tasks.
• Experience in installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like NIS, NIS+, LDAP, DNS, NFS, DHCP, NAS, FTP, SSH and SAMBA and also worked on monitoring tools like Cacti and Nagios.
• Worked on installing software’s packages like NIS, NFS, sendmail, open ssh & compliers using Redhat Package Manager (RPM) on Redhat Linux, Packages on Solaris and Deports on HPUX and configured them efficiently.
• Proficient in System Backup and Recovery from tapes using ufsdump, ufsrestore, tar and cpio and well versed in configuring Volume Groups and Logical Volumes, extended logical volumes for the system growth needs using Logical Volume Manager (LVM).
• Experience supporting 24x7 production computing environments providing on-call and weekend support and have an ability to work independently as well as a team member with ability to meet deadlines on or ahead of schedule. Extremely customer focused.

TECHNICAL SKILLS

Operating Systems: Sun Solaris 11/10/9/8/7/2.x, VMware ESX 3.5 & 4.x, Linux (RedHat Enterprise, SUSE),RHEL 4.X, 5.X & 6.1, HPUX11.0,11i V1, SuSe 10.1,11.1,11.3 WindowsNT4,Windows98/2000/2003/2008/XP.

Hardware: IBM Blade Centers, HP Proliant DL G3, G4 & G5,C7000,C6000,HP BL20,BL 40, Sun Fire Servers: E25k, E15k, 12k, E280R, E480R, V240, 420R, V440, V480, V490, V880, V890 4800, E6900 and E2900, Dell Power Edge servers. Data Centre Servers: E250, E450, E3000 and E3500, M4000, T2000, T5120, T5240, T5440, HP rp3410, 3440, rp4440 & rp8400.

Languages: PERL, C, C++, PHP, JAVA, PL/SQL, HTML, JavaScript, J2EE, JSP, Servlets.

Databases: Oracle 10g/9/8, Sybase 11.5.1, POSTGRESSQL, MYSQL, MSACESS

Networking: TCP/IP, DNS, NFS, NIS, SSH, DHCP, Cisco Routers / Switches and LAN

Tools: Veritas Cluster 3.x, 4.x & 5.x, HP MC Service Guard, Redhat Cluster, Sun Cluster 3.2, VMware, VERITAS Netbackup 6.0, VERITAS Storage Foundation Suite, Solaris Volume Manager, Sun Java Studio, sendmail, Splunk, Urchin, ddm, AM5, cobbler, Webmin, PGP encryption and decryption, Puppet,Chef, Bladelogic 8.x

Certifications: Sun Certified Solaris 9 Systems Administrator

PROFESSIONAL EXPERIENCE

Confidential, TX

Sr. UNIX Systems Administrator / Dev - Ops Engineer

Responsibilities:

• Worked in a team responsible for installing and configuring the IBM cloud orchestrator and was POC for implementing Z Cloud and using IBM BPM in SmartCloud Orchestrator and deploy vSys Pattern to customize self-service interface.
• Part of team responsible for implementing IBM Wave for server automation on zLinux servers running on system z being hosted on LPAR’s.
• Deployed Puppet, Puppet Dashboard, and PuppetDB for configuration management to existing infrastructure
• Responsible for maintain the Linux on System Z and managed closed to 200+ zLinux servers running mix of SuSe OS 10.1,11.1 and 11.3.
• Installed, configured and maintained Solaris/RedHat Linux and HP-UX (Solaris 8, 9 & 10, 11 RedHat Enterprise Linux 4.x & 5.x, HP-UX 11i v1) on SPARC, x86 and Itanium server’s and Blade Centers.
• Successfully upgraded 300+ servers from SuSE 10.1 to SuSe 11.3.
• Familiar using the zypper utility for package administration for local and remote repository and patch administration every quarter.
• Configured and supported Splunk Forwarders 64-bit 4.3.3 to run on Linux, AIX and Solaris client servers.
• Virtualized Redhat servers using vSphere 4.1 and managed ESX servers using vCeneter and also worked with ESX Cluster and vMotion.
• Virtualized servers using Solaris Zones/Containers on Solaris10, Created and maintained Wholeroot and Sparse root Zones/Containers.
• Configured Splunk search heads on different machines for searching the data from Indexers and worked with SAP Basis team to collect different logs that are required from SAP instances and fed to Splunk.
• Created scripts to automate jobs and debugging scripts for use of team.
• Have experience in using protocols like NIS, NFS, SSH, SFTP & DNS and good understanding of their configuration files.
• Administration of Websphere Application Server 6.x with Network Deployment, and Extension Deployment, on RedHat Linux. Mirroring of root disks using hw Raid Controller on HP & Dell hardware.
• Generated PGP keys on the servers and shared with vendors for data encryption and added security when transferring files or financial data using ftp or sftp.
• Configuring consoles of the old hardware servers in Avocent to efficiently manage the servers remotely.
• Managed and supported 2 node and 4 node VERITAS cluster and Sun cluster for critical SAP and JDEdwards applications.
• Have the Disaster recovery servers in sync with the production servers in case of a system crash or Hardware failure to reduce the downtime and work with Hardware support vendor for replacing the failed parts on the server.
• Support and co-ordinate storage team on microcode updates for array components and make sure all the servers are working as expected after the change.
• Configure, add new Printers as required in Solaris and HP-UX and manage, monitor print queues.
• Test and perform changes on the test servers and work with change management to implement on development and production servers.
• Managed 400 + UNIX servers running RHEL, HPUX & Solaris on Oracle, HP and Dell servers including blade centers.
• Involved in Cluster patching and Cluster failover testing and regular maintenance of the servers, taking flar images on Solaris and ignite backups on HP-UX servers every second weekend of a month.
• Used Cobbler for installing Redhat servers and used Webmin for server administration.
• Worked on Oracle 11g by writing few basic queries for extracting data from tables that Splunk required.
• Installed and configured Vblock 300 series for a customer and supported UCS blade servers.
• Fine tune kernel parameters in the Operating system to overcome the Database performance issues.
• Use Dban (v1.3, 2.0) to wipeout the data on the disks for the servers that are being decommissioned and also co-ordinate with network team to remove IP’s from DNS server and storage team to reclaim the LUN’s that are assigned.
• Involved in Designing and Implementing host level migrations and Virtualization using P2P and P2V. Also supported storage migrations from USP to USPV on host level without any downtime to customer (Online Migration).
• Data migration at Host level using Red Hat LVM, AIX LVM, VERITAS Volume Manager and Co-ordinate with Network, Storage, Application and Database teams for the scheduled tasks.
• Configured NAS devices in the environment for data transfer to the customers on LINUX and Solaris servers.
• Configure and maintain consoles for HP (ILO 1, 2, 3) and Dell (idrac 5.0, 6.0, 7.0) servers and responsible for the licensing and updating the firmware for remote administration of the servers.
• Managed L1 and L2 off-shore teams and coordinate the tasks with the team whenever needed and adhere to meeting SLA’s on the tickets and changes.

Confidential, TX

Systems Engineer III

Responsibilities:

• Involved in installing, configuring and administration of Redhat Linux 4.x, 5.x, HPUX 11i V1, Solaris 8, 9, 10 servers by using Kickstart, Jump Start & Ignite servers and supported various applications running on them.
• Migrated applications running on Solaris 8, 9, 10, HPUX to Redhat Linux environment. Worked on Patch and Package administration, installed various third party tools on servers and Mirrored root disks on all the servers by using Redhat LVM, Solaris volume manager & HPUX LVM. Installed and configured HBA cards on the servers for Fiber channel connectivity to storage.
• Responsible for trouble-tickets, 3rd-party software installation, and user support, in a homogeneous HPUX, RHEL & Solaris environments. Involved in preparing Pre Migration and Post migration documents.
• Worked with Open Migrator and Power Path and Data migration using Redhat LVM & VERITAS Enterprise Administration and Created LVM for Linux servers and performing actions like extending Volume group, Logical Volume and create file systems.
• Worked on installing yum and configuring repository and Redhat satellite server on Linux servers, managing Multipathing softwares like EMC Power path, Redhat Linux Native multipathing, VERITAS Multipathing (vxdmp) and HPUX Alternative Links.
• Worked on C7000, C6000 Blade enclosures with x86 blades and HP BL20, BL 40 generation 2, 3, 4 Blades and have good experience in rack mounting and commissioning.
• Configuring SUDO and granting root permission to users for performing various activities. Worked on Solaris 10 - Zones, Containers, and SMF etc.
• Installation of SSH and configuration of key based authentication, File system tuning, growing, and shrinking with VERITAS File system 3.5/4.x.
• Installation of Web Sphere, installed related patches, configured and creating new admin & managed servers, start & stop Web sphere server.
• Provided 24X7 support for various Production, Development and Test servers, Data Center support consisting of more than 1000 + servers.
• Worked on HP Service Manager for Incident, Change Management and participated in Root Cause analysis of recurring issues, documented all the activities.

Confidential, Irving, Texas

Sr. Infrastructure Engineer

Responsibilities:

• Installation ofSolaris 8, 9 servers withJumpstart and redhat Linux EL 5.x based servers using Kickstart and HPUX servers with Ignite servers indevelopment, test and production environments.
• Performed project coordination function forevaluation, installation, monitoring, and maintenance of server software on variety of hardware platforms also responsible for user administration and management usingSUDOandRBAC
• Installed/ upgradedpatches, firmware(OBP), and security (Kernel) patches for all applications in installed infrastructure.
• Data migration using Redhat LVM HPUX LVM & Veritas Enterprise Administration.
• Performedsystems monitoring, upgrades,performancetuning and backup and recovery, Troubleshooting and fixing the problems related to systems, software and day to day regular maintenance tasks of the system.
• Responsible forqualityreviewsandstandards and provided24x7on-call /RemoteSupportfor UNIX Production Problems on weekly rotation basis.
• Applying software maintenance, program fixes and keeping the system software releases current by attending the weekly status calls with the Engineering team and offshore team.

Confidential - Texas

Sr.Systems Administrator

Responsibilities:

• Performed system administration of UNIX servers by using Operating Systems of Solaris, HPUX and Red hat Linux Installed, configured, and maintained WebLogic and Oracle DB Servers on OS Solaris, HPUX and Red hat Linux.
• Performed Decommissioning on Solaris & HP-UX Servers after the servers are being migrated to new hardware.
• Very good knowledge on Advanced Virtualization on Sun Servers using Zones & LDoms.
• Working with engineering team to build New Linux Servers and maintained various versions of Linux Servers (RHEL 4.6, 5.3, 5.6) and HPUX11i v1.
• Set up Virtualization that includes Installation and configuration of VMWare ESX3.5 & 4.0 Server’s.
• Worked on clustering softwares like VERITAS & HP MC Service Guard running on HPUX 11i v1.
• Plan, design, Implementing, Installation and configuration Operating System upgrade on Red Hat Linux 4.0 on & HP-Dl585 G3& G4 servers.
• Actively participated Disaster Recovery (DR) tests.
• Configuring storage using Logical Volume Management (LVM), Installed Veritas Volume Manager 4.1 and created file systems, mirrored and striped volumes
• Performed IBM Total product Storage Installation on different Operating Systems.
• Coordination with off-shore team to implement any changes in production environment and also Involved in post-production support for solving complex issues which has high visibility.
• Day-Day application support on production and technical documentation for critical prod issues, On call pager support 24/7 environment.

Confidential

Linux System Administrator

Responsibilities:

• Worked as Unix Administrator in Infrastructure team providing server administration, application administration and automation solutions to support business objectives for various clients.
• Responsible for Installation, Configuration, Support and Troubleshooting existing systems in Solaris 8,9 / 4.5/5.1L, Red Hat Enterprise Linux operating environment
• Worked with one of the largest VMware and RHES V3 installations.
• Instituted centrally managed Linux configurations for application deployments, disaster recovery and responsible for customer and advisor facing web services with a volume of 4 million hits per day.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Maintained availability, increased capacity & performance of production machines by upgrading their hardware (disks, CPU, memory, Io board, power cooling unit, mother board etc) & firmware.
• Successfully tested and documented the alternate disk install procedure to clone OS. Maintained system security protecting the data on the system by modifying the file and directory permission. Analyzed system performance, Reallocated of kernel resources and Performed process automation, scheduling of processes using CRON jobs.
• Worked in the project of configuring NIS Servers (Master and Slave) and NIS clients and maintained system and custom configuration files in NIS maps.
• Maintained intranet DNS environment by configuring Primary and Secondary Domain Name Servers and DNS clients.

Confidential

System Administrator/Network Admin

Responsibilities:

• Responsible for day-to-day system administration task on SUN SOLARIS 8, RHEL 4/5 and Windows 2X Servers.
• Build the SUN Servers i.e. Sun E 4500, Fire V210, Fire V120, Blade 2000, Netra T1 for Solaris operating system and configured the A1000 and D1000 Storage.
• Worked on system performance and tuning: mpstat-for multiprocessor usage, vmstat- for system activity and hardware analysis information.
• Configured IIS on Windows 2000 and 2003 Server for Intranet and internet hosting.
• Monitoring connectivity off all LAN attached to the divisional named server, including all TCP/IP, Switches, NIS/NIS+, Telnet, FTP connection to over 200 plus workstation throughout the DIVISION using various gateways and Routers.