PROFESSIONAL SUMMARY:

• 8 years of work experience in Linux / Unix System Administration under environment of Redhat Enterprise Linux 3.x/4.x/5.x/5.6/6.x/7.x,OEL 5.X/6, Sun Solaris (8/9/10) Windows NT/2000/2003, AIX 5.1/5.3
• Hands on Experience in Redhat Enterprise Linux and Kickstart - PXE installation
• Experience in writing Shell scripts (Bash, Ksh, and PERL) to automate routine tasks like Selective file removal, disk space utilization & Process management and Knowledge in C/C++, Java programming language.
• Experienced in Installation and configuration of Samba, Squirrelmail, Sendmail & Procmail, Apache web server, Tomcat web server.
• Hands on Experience in Configuring DHCP, DNS (BIND), FTP, NTP, NIS, Mysql, LDAP and NFS.
• Creating, maintaining user profiles, security, rights, Backup of data and Disaster Recovery.
• Experience with the installation and configuration of web servers like Apache 2.x/1.3.x and iPlanet 4.0.
• Experience in Creating, Mounting and Unmounting new File Systems.
• Experienced with XEN virtual environment and managed with redhat tools.
• Solid understanding of RPM, building, maintaining, and installing packages.
• Familiar with writing extensions for RPM, building virtual packages, and fixing dependency loops.
• Extensively worked on storage provisioning tools like OnCommand System Manager, Filer View, Navisphere, ECC (EMC Control Center), SMC (Symmetric Management console), DFM
• Install and manage software and hardware RAID disks to improve fault tolerance and performance.
• Expertise in Installation, configuring and Administration of Veritas Volume Manager 3.5, 4.1, 5 and working knowledge of VeritasCluster Server 5.0 and Veritas Netback up 6.0 and Tivoli Storage Manager 6.2
• Custom built enterprise servers for High-Availability, load-balancing and failover in a clustered environment.
• Worked on Performance Monitoring, resolving network issues & Tuning the system using tools such as top, iostat, vmstat, netstat, nfsstat, truss, sar, ndd, ithtool, Dtrace, Strace.
• Expertise in HP software solutions portfolio products used for network, systems and application monitoring such as OMW/OMU, NNMi, HP BSM Omi, DDMI, UCMD, Reporter, Performance Manager, Sitescope.
• Performed hardware and software installs & upgrades.
• Good in provisioning and deployment tools like Puppet.
• Experience using configuration management software like Chef, Puppet, or Ansible
• Design and set up a three node Oracle 10g, 11g Real Application Cluster (RAC).
• Supported installation of Oracle database (RAC) on Linux servers associated with DBAs
• Experience with configuring firewalls using Linux. Familiar with configuring advanced features such as NAT, port redirection, and logging.
• Content Management Systems Knowledge with e-commerce integration into CMS Experience with Linux/Apache/ MySQL (Database Management).
• Experience in diagnose and resolve modem and TCP/IP connection problems
• Hands on Experience on VMWARE Environment (ESXServer and vSphere).
• Experience in manage and scale a service-oriented application stack running on the Amazon EC2 server infrastructure.
• Experience on Openstack integration and development, Python, Docker, Django, AWS, shell scripting, bash.
• Experience with NetApp Data Protection backup including snap copy and snap mirror for local and remote secondary copies
• Strong Knowledge in implementation of enterprise storage solutions SAN (created VGs and LVs on san disks), NAS (mounted and shared NAS devices for mlnti servers), logical volume management (LVM).
• Hardware support for high-end servers, high-end desktops and laptops built by IBM, SUN, Dell and Hewlett-Packard (HP).
• Also have worked on most of the Storage products like HP MSA, EVA, XP Storage works, EMC Celerra, Clariion& Symmetrix, NetApp filers FASxetc and know the basic management functions such as configuring Storage Array from scratch, carving a LUN Group, RAID Level, creating a vDisk and presenting to Hosts.
• Good Working knowledge on the Snapshot technology in taking the backup snapshot copies of the different volumes. Scheduled backup and retention policies.
• Experience in Installing, configuring and maintaining apache/tomcat, samba, sendmail, Web Sphere Application Servers and configuring splunk agent on UNIX platforms.
• Troubleshoot, patch and automate systems in a large distributed environment.
• Used netstat and other tools on specific hosts to determine increased connections to specific processes, customer specific, for attack traffic.
• Worked on documentation - Chef Basics, Initial setup of Chef, Database implementation, Coding standards, Cookbook document, testing docs.
• Experience with switches and routers. From various vendors like Cisco, Dell, and HP.
• Experience in working with HDLM, SAN, NAS, storage systems, Cisco SAN gear and SAN volume controller.
• Extensive experience with Virtualization. Expertise in VMware Virtualization solutions, VM Migration & Cloning. Experienced in Enterprise Backup solutions - MSL, ESL, EML, Virtual Library System.
• Experience IaaS managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Chef, Ansible, Puppet, boto, or custom-built .designing cloud-hosted solutions, specific AWS product suite experience. Proficient in using all Amazon Web Services including EC2, EBS, EIP, ENI, ELB.
• Used BMC Atrium Orchestrator, integrated with BMC Remedy ARS and BMC ProactiveNet Performance Manager BPPM.
• Experience in implementing BMC Atrium Orchestrator across various industries.
• Ability to quickly adjust priorities and take on projects with limit specifications.
• Maintain 24x7 uptime in production server’s environment.
• Effective team player with excellent logical and analytical abilities.
• Excellent written and verbal communication skills, inter-personal skills and self learning attitude

TECHNICAL SKILLS:

Operating Systems: IBM AIX 4.3, 5L, 5.2, 5.3, 6.1, 7.1, Cent OS, RHEL 7.x,6.x/5.x/4.x/3.x, Fedora, SUSE Ubuntu, Windows family, Sun Solaris 7/8/9/10/11,MS Dos,Mac OSX, NetappDATA ONTAP(7.3, 8.1),DATA ONTAP 7.3 and 8.1versions,VMWARE ESX/ESXi.

Hardware: Netapp filers FAS series, IBM N-SERIES, EMC clarion cx series, Tape Libraries - Sun StorEdge L20/L40/L60, L180 and Storagetek’s 9840 A/B/C Fibrechannel, Sun Fire Servers - E25k, E15k, 12k, E280R, E480R, Sun Enterprise 450/420R/250 server, Arrays - Sun StorEdge 3130, A1000/D1000, EMC DMX (800 and 1000), IBM DS4K, DS5K and DS8K, SVC and Storwize V7000

Languages: Shell scripting, PERL, Bash, Python, HTML

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

Fabric Switches: Brocade and cisco Switches

Tools: SunCluster 3.2,Netapp CLI, Netapp GUI (filer view & system manager),VERITASNetbackup 6.0,VERITAS Storage Foundation Suite, Solaris Volume Manager.

Backup: IBM Tivoli Storage Manager, VERITAS Netbackup 6.5, Replication manager, Recover point and VM ware

PROFESSIONAL EXPERIENCE:

Confidential, Phoenix, AZ

Linux System Administrator/DevOps Engineer

Responsibilities:

• Installed, Configured and Maintained RedHat Linux (IBM AIX 4.3, 5L, RedHat Enterprise Linux 4.x, 5.x, 6.x &7.x) on SPARC, x86 and Blade Centers.
• Experience in Linux Internals like boot sector and setup, LILO, Processing kernel and Task Structure.
• Expertise in Clustering and Load balancing of Web/application servers.
• Expertise in regular backup and restore operations for AIX, Linux and Solaris Systems using Tivoli Storage Manager.
• Interacting with multiple internal application teams to create customized Load Balancing solutions.
• Experience of understanding of modern cloud (compute, storage, networking), with an emphasis on OpenStack.
• Expertise with Root File System in Creating, Populating, Analyzing and Wrapping.
• Working with Cobbler and Puppet for configuration and deployment in large scale environment.
• Expertise in console Linux debugger and a console Linux disassemble through IDA and offer local debugging of Linux executables.
• Used Agile/scrum Environment and used Jenkins, GitHub for Continuous Integration and Deployment.
• Configured Zones on the Solaris 10 servers created Resource pools and Fair share Scheduler for Containers and created Virtual Machines on VMware ESX 3.5.
• Developed enterprise software applications in Perl.
• Created and Maintained Wholeroot and Sparse root Zones/Containers.
• Worked on projects like PCI, SR to ensure all goes well and provided support till servers go in to production environment
• Implemented Nagios tool to monitoring and splunk to generate data metrics.
• Installed and Configured RedHat Linux Kickstart and booting from SAN.
• Implemented EC cloud technology in setting the new Linux and Solaris environment.
• Configuration and administration of Fiber card Adapter’s and handling of SAN (SAN arrays, HITACHI, EMC).
• Performed SAN Migration on RHEL and solaris servers.
• Installed and configured openLDAP to create user accounts and to assign access permissions to the users.
• Installation and configuration of backup clients like Avamar and Veritas Net Backup on Linux servers.
• Experience working with HP Openview client and server configuration.
• Experience in writing scripts to automate jobs and debugging scripts.
• Experience in using protocols like NIS, NFS, SSH, SFTP & DNS.
• Installation of Solaris 9, 10 using Jumpstart, Redhat EL 4.x, 5 using Kickstart/PXE and SuSe Professional desktop 10x.
• Creating volumes using storage for VMAX Array on Redhat & Solaris servers.
• Data migration Confidential Host level using Red Hat LVM, Veritas Volume Manager and Solaris LVM.
• Administered Volume groups and volumes using HPUX and Linux volume manager.
• Building of Oracle RAC (Oracle Real Application Clusters) environment.
• Installation and support of various applications like WebLogic server 10, WebSphere 6.1 JBoss 4.x, Apache 2.x, Oracle 9i, 10g, Mysql, Informatica Power center 8 on Solaris 10.
• Administration of WebSphere Application Server 6.x with Network Deployment, and Extension Deployment, on RedHat Linux.
• Mirroring of root disks using Hardware Raid Controller on HP & Dell HW.
• Managed 100 + UNIX servers running RHEL, HPUX & Solaris on Oracle HP and Dell server including blade centers.

Environment: Solaris 8, 9, 10, Redhat EL 4.x, SuSe 10, IBM x3650,IBM HS22 Blade Center, IBM x232, IBM x236,T2000, T5120, E220, E420, 450, V240, V880/890, E3500, BL460c,, EMC-Avamar Netbackup, IBM Storage Manager, HP, Cisco Works, Korn shell, VMware ESX3.5, VMware Vsphere ESX4.0.

Confidential, Alpharetta, GA

Linux System Administrator/DevOps Engineer

Responsibilities:

• Installation and configuring of RedHat Linux servers.
• Installing, upgrading and configuring RedHat Linux5/x and 6.x on Sun Servers using Jumpstart and Linux using kickstart installation, also SUSE Linux Servers manually and using SystemImager and updated using YUM and worked on upgrading and configuring SGI Servers.
• Created Virtual server on VMWare ESX/ESXi based host and installed operating system on Guest Servers.
• Configuring NFS, NIS, NIS+, DNS and LDAP.
• Setting up cron schedules for backups and monitoring process.
• Updating YUM Repository and Redhat Package Manager (RPM)
• Created RPM packages using RPMBUILD, verifying the new build packages and distributing the package.
• Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
• Installation, configuration and maintenance DNS servers, Mail servers, FTP servers, NFS, NIS, NIS+, RPM and Samba Web servers on Linux platformsfor Load Balancing.
• Experience in installation, configuration and administration of Web Logic and Web sphere Servers.
• Configured SAMBA to get access of Linux shared resources from Windows.
• Worked in ZFS and QFS and fixed the problems occurred, set the quota and reservations for such file systems.
• Applying new patches and packages of RedHat Linux.
• Using ANT, Puppet/ Chef Scripts with Ivy to build the application and deploy.
• Used configuration management tools Chef, Puppet, and CF Engine.
• Deployed Puppet, Puppet Dashboard, and PuppetDB for configuration management to existing infrastructure.
• Installation and monitoring of Veritas Volume Manager, Veritas Net Backup and Sun Cluster Server in SAN Environment.
• Installing client/server Software, like Oracle, BMC-Patrol/Bladelogic/ProactiveNet, Autosys,TM Art, Veritas etc
• Automated software delivery process using BMC Atrium Orchestrator, BMC BladeLogic, BMC BCAC, HP Service Desk, and customer developed applications
• Extensive use of Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in HP-UX, AIX and Linux.
• Implementation of RAID techniques and the creation of Disk groups and volumes, plex using Veritas Volume manager.
• Trouble shooted various problems when working with VxVM in initializing, replacing, mirroring, encapsulating and removing disk devices.
• Created and maintained large file systems with DMX storage devices using VxVM.
• Experience in implementing High Availability Clusters using Veritas Clustering, HP Service Guard, Redhat Cluster Server.
• Install and maintain network services, equipment, and related devices through HP Openview.
• Prioritize and maintain assigned tasks/issues through HP Openview Trouble-Ticket System.
• Experienced in enterprise backup software: VERITAS Net Backup 6.5 and its integration with HP Openview.
• Installation and configuration of HP Service Health Reporter for server performance monitoring
• Administered file system and volumes using Solaris Volume Manager on Solaris 10/11
• Worked on firewall implementation & Load blancer between various Linux Servers.
• Experience managing multipathing using Linux and also EMC Powerpath on SAN devices.
• Worked on registering different client servers to master Redhat Satellite Server.
• Worked with and assisted customers with setting proper Priority/Severity of problems, work problems to resolution, recorded/documented actions in databases as well as utilized tools and resources.
• Plan and implement assigned projects, change management, on-call support, and hotline bridge participation.
• Creating Database users, roles, profiles, alert logs/ trace logs on Oracle Database application boxes and worked on RAC.
• Implementing HP OpenView Network Node Manager 7.5 on a Window 2003 server and HP OpenView Operations for Windows as part of overall project.
• Troubleshooting and analysis of hardware and software failures for various Linuxservers (core dump and log file analysis)

Environment: RedhatLinux 4.x, 5.x, SUN E6800, E25K, E4800, V240, V440, V480, V880, E450, E4500, E6500, E6800,E15K), Blade Servers, Oracle 10g, Veritas Volume Manager, Apache, Chef, Puppet, VMware, VeritasNetbackup, Sun Cluster in SAN Environment.

Confidential

Unix/Linux System Administrator

Responsibilities:

• Installation, configuration and Operating System upgrade on, Red Hat Linux 4.0, 5.0, and 6.0 and Sun Solaris 8,9,10
• Administrated server consolidation program through use of VMware ESX server and VMware Virtual Center
• SWAP box configuration, Implementation of disaster backup and recovery.
• Performance Management & Tuning of RHEL.
• Veritas File system and Veritas Volume Manager 2.5 are used to configure the RAID 1 and RAID 5 Storage Systems
• Installed and configured SAMBA server for windows and Linux connectivity.
• Installed and Configured Sun availability Suite 3.5 to implement Point-in-time snap shots and remote mirroring.
• Configuration & troubleshooting of applications including nginx, kafka, HAproxy, etc
• Perform DB profiling and optimization; analyze and propose schema changes to PostgreSQL databases as needed
• Implemented and configured Backup policies and Storage Units.
• Managing disk storage with Veritas Volume Manager 3.5/4.1 and Solaris Volume Manager with Veritas File System (VxFS).
• Installed Web Logic 8.1 with SP5 Server and configured Domains, Admin and managed servers for Applications to be deployed.
• Implemented NIS and NFS for administrative and project requirements.
• Installed and Configured Web and investigate the configuration changes in the production environment.
• Responsible for multicasting of various components as a system administrator.
• Worked closely with database administration staff to ensure optimal performance of databases, and maintain development applications and databases
• Tuning the kernel parameters based on the application/database requirement.
• Monitoring system resources, logs, disk usage, scheduling backups and restore
• Set up Quotas for the user accounts & limiting the disk space usage.
• Configuring SUDO and granting root permission to users for performing certain activities.
• Maintain servers with puppet for user accounts, packages and other configuration management services.
• Nginx web server configuration & troubleshooting.
• Upgrading RHEL 5.0 to RHEL 5.5 using live upgrade and manual upgrade.
• File system tuning, growing, and shrinking with Veritas File system 3.5/4.x
• Worked on network connectivity, SAN storage, creating LVM and taking TSM backup.
• Created BASH shell scripts to automate cron jobs and system maintenance. Scheduled cron jobs for job automation.
• Integrating different SNMP Agents and different tools like HP System Insight Manager, OpenManage System Management, HP OpenView Storage Area Manager, HP OpenView Reporter, and Crystal Report, etc.ssssss
• Expert regarding HP OpenView Operations and HP Network Node Manager deployment as the day to day operations for systems management.
• Successfully integrated HP OpenView applications in an HP-UX MC Service Guarded environment.
• Modifying user’s password policies, group policy, UID and GID assignment policies.
• Monitored the performance of the system using top, sar, ps, prstat, vmstat, netstat, iostat, and cpuinfo to check the CPU utilization, bottlenecks of I/O devices,, memory usage and network traffic.
• Troubleshoot network connectivity used ping, netstat, ifconfig, and trace route commands. Login to the remote system using sudo, putty, and telnet. Transfer files across the systems on the network used ftp, scp, and rsync commands.
• Linux technical support and prepared technical documentation for check in verification.
• Regular backing up of critical data and restoring backed up data. Worked in solving tickets issued on day to day activities and problems related to development and test servers.
• Working knowledge on ITSM remedy and Maximo ticketing systems.

Environment : Red Hat Linux 3,4.x,5, Ubuntu 13 VMware ESX 3.5.4.5 and 5.1, Veritas Volume Manager, Sun Solaris, 9,10, Redhat Cluster Server, Oracle Rac Cluster, PostgreSQL database, Weblogic 8.1,Puppet, Samba, Oracle 9i/10g,DELL Power edge 1650,2850,2950,6400, IBM Blades

Confidential

Unix/Linux Administrator

Responsibilities:

• Installation, configuration and maintenance of Weblogic with JDBC, JMS, JNDI, and J2EE applications.
• Deployed Applications (WAR, JAR, and EAR) in Domain and Clustered environment.
• Installed and Configured iPlanet LDAP Server and integrated with Weblogic Application Server
• Installation and configuring of WMQ, WMB on AIX and Windows.
• Involved in creating of WMQ objects like Queue Managers, Queues, and Channels.
• Involved in detailed project plan, analysis and design of Architecture specification for MQ Series environment.
• Worked on Installation and configuration of WMQ on Distributed Systems.
• Administered remote queues, channels and queue managers on Distributed systems.
• Worked on Point - Point messaging and clustering.
• Monitored the performance & behavior of WMQ applications. Shell scripting for MQ Series.
• Wrote scripts to handle everyday System Administration tasks such as backup procedure, system cleanup, everyday system tasks, etc. Responsible for Installing, configuring, administering and documenting WebSphere MQ
• Installed & Configured Cluster in Weblogic 6.1 environment.
• Troubleshoot and fixed of problems on Weblogic Application Server.
• Configured of JDBC connections and data sources with Oracle database server 8i troubleshooting and fixing up problems.
• Monitored the error logs, fixing the problems and tuning parameters on Weblogic environment.
• Involved in configuration management, software deployment, change management, performance monitoring, and application maintenance.
• Responsible for installation, configuration and management of a network environment.
• Maintained and upgraded essential hardware, system patches and software.

Environment: SUN Solaris, Weblogic Application Server, MQ series, iPlanet, IIS, Windows (95, 98, NT, 2000, XP), Linux, Shell Scripting, Oracle.