SUMMARY

• 9+ years’ Experience as a Unix/Linux, Aix, Solaris, Windows System Administrator.
• Experience in Red Hat Linux, Linux Server builds, which includes Installing, Upgrading, Patching, Configuring and Performance tuning on UNIX/Linux system software and hardware.
• Experience building Hadoop clusters infrastructure OS Builds on Dell, Hp Servers.
• Shadowed Hadoop Admins using cloudera manager, Horton Works Building Hadoop Clusters.
• Experience in designing, managing, and supporting HP Blade Servers, (Microsoft Windows Server, and Active Directory.
• Design, install, and configure VMware vSphere5.5, ESX 5.5, VMM, Hyper - V, and environments with Virtual Center management, Consolidated Backup, DRS, and HA.
• Design, implement, and create LUN’s using EMC Navisphere on EMC CLARiiON hardware.
• Demonstrated ability to work well with a wide variety of people at various levels, faster Cooperation and Collaboration among individuals in the work unit, help team resolve conflicts constructively and ability and Willingness to communicate when help is needed.
• Knowledge of openstack environment.
• Experience in Networking configuration & Security Configuration on ESXi Host.
• Experience in Kick start installations using PXE with NFS, HTTP and FTP protocols to deploy.
• Expert in daily management and configuration of Nagios Monitoring Servers.
• Working Experience in Relational Databases (RDBMS) like MySQL, Oracle and DB2.
• Experienced in various Operating Systems: Windows NT, XP, 2000, 2003, 20082012R2, Red Hat Linux5, 6, Suse Linux, CentOS and Ubuntu.
• Installation and configuration of Symantec Netbackup 7.x Master servers.
• Installation and configuration of Tivoli for various Platforms and Unix flavors like AIX 5.x, 6.x,7.x
• Experience with working in Production, Development and QA environment.
• Experience in RAID configuration and redudancy.
• Expert in setting up SSH, SCP, Sftp connectivity between hosts.
• Trained in RedHat Linux, Suse Linux, VMware, AIX, Solaris, Database Administration.
• Experienced in DHCP, DNS, NIS, NFS, SMTP, IMAP, ODBC, FTP, TCP/IP, LAN, WAN, LDAP, KERBEROS remote access, security management, and system troubleshooting skills.
• Strong in LVM (Storage Methodology), Performance monitoring, Error logging, Diagnostics, Fine-tuning and Backup management
• Team player with excellent communication and inter-personal skills.
• Worked on Nutanix an Enterprise Virtualization and storage.
• Capable of quickly learning and delivering solutions as an individual and as part of a team.
• Build servers using AWS: Importing volumes, launching EC2, RDS, creating security groups, auto-scaling, load balancers (ELBs) in the defined virtual private connection.

TECHNICAL SKILLS

Operating Systems: Linux(Redhat5,6/SUSE11),Centos, AIX, Solaris 10, Windows 20012r2,VMware 5.5

Hardware: IBM Blade Server HS22, Dell Power Edge Series, Cisco UCS blade servers, HP BL460, C7000. ILO, Sunfire T2000, Nutanix.

Application Server’s: Apache, Python, DNS, NIS, NFS, MS Terminal Server, Windows r2,Active Directory, Jboss, Microsoft IIS Server4/5, Symantec Ghost, mail server

Databases/ scripting: Oracle 9 10g, 11 g, bash Shell scripting, Ksh Scripting, Perl Scripting, Html

Storage/ Networking: EMC ISCSI SAN, FC SAN, NAS, EMC Clarrion, Cisco Router, Cisco Catalyst Switch, Nutanix, Arista Switches.

Monitoring: Nagios Monitoring System, Nimsoft.

Backup: Symantic NetBackup,comvault and Linux Backup Resync.

Languages: C, C++, Java, J2EE

PROFESSIONAL EXPERIENCE

Confidential, Atlanta GA

Sr UNIX System Administrator

Responsibilities:

• Linux, Solaris, AIX, VMware and Microsoft Windows 2012r2 Support Admin for a High Availability Environment.
• Implementation of UNIX- SUSE, Redhat Linux in medium to large enterprise environment.
• Project implementation through the full project life cycle,vendor management,budget meetings and contract negotiations,Interfacting with client and senior managers for large multi-team global projects.
• Responsible for creating Virtual Templates and also Host Profiles and use them for deploying more virtual machines and bringing in more hosts respectively.
• Installed and maintained the C7000 series of HP Blade enclosures, Automated Kickstart Scripts for Server Builds.
• Collaborated with the, Hitachi, NetApp teams for the storage requirements in Blade and Brick Hardware.
• Escalation point of contact for performance related issues on servers and applications for the operations and engineering team.
• Performing day-to-day monitoring tasks and administration implementations while monitoring HP Service Center, and performing RHEL LVM changes, adding Users in Active Directory and Exchange Server.
• System Network configuration PAM,SELinux policies, FTP server setup,OpenSSH configuration, DigitalCertificates, Define Firewall andsecurity requirements and policies, Coordinating with application developersand users.
• Experience of fiber SAN/iSCSI SAN/NAS (EMC (CX30), NetApp, Dell MD30001 Dell MD 1000,) storage technology and work with SANs in RHCE environments and troubleshooting SAN related issues and upgraded firmware of SANs.
• Installation and configuration of Netbackup clients for various Platforms both Windows and Unix flavors like AIX 6.x,RHEL6.x,HP-UX 11.1,Solaris 10.
• Create and Modify file systems, Logical Volume, Physical Volumes, Volume Group. Migration of Logical volumes across PVs in same VG, Copy LV’s between VG’s.
• Installed, configured and updated VMware Update Manager for patching ESXi and keeping the software levels up-to-date.
• Creating, CloningLinuxVirtual Machines, templates usingVMwareVirtual Client 5.5, VMM, and Hyper-V and migrating servers between hosts.
• Configuring File system backups for windows and UNIX servers.
• Configured multi-server virtual environment usingVMware's ESX product, handling many VM's. Uses consist of production servers, utility servers, and application servers interact with the SAN team to get the storage allocated for HP BL series and DL series of servers.
• Builds, installs and tests Windows, Linux, andVMwareservers based on requirements from Design and Architecture or established standards.
• Experience in Monitoring and Administering Operating Systems such as RHEL 5, 6, and Red Hat Linux Cluster Services on HP DL385/380, BL460c and Solaris 10 SPARC Servers.
• Work with partners during change control activities to ensure smooth migrations and implementations, including performing change tasks.
• Build servers using AWS: Importing volumes, launching EC2, RDS, creating security groups, auto-scaling, load balancers (ELBs) in the defined virtual private connection.

Confidential, Columbia SC

Sr UNIX System Administrator

Responsibilities:

• Manage and administer a large number of Red Hat linux servers and open source software packages.
• Manage open source patch management and status monitoring systems.
• Install and configure security sensors comprised of open-source centos linux platform as well as purpose-build redhat flow collector appliances.
• Work with state entities to integrate new log sources into SOC monitoring as well as maintain and monitor existing log sources.
• Perform computer forensics investigations on Linux, OSX and Microsoft clients and servers following processes defined in the state’s established incident response procedure.
• Installation of Linux OS, with software’s Talon, Watchdog censor and Flow Collectors at State Agencies.
• Work with SOC team to identify and document improvements in incident response processes. Disseminate incident response process revisions to stakeholders within the Division of Technology (DT) and state agencies.
• Validate that security and privacy controls and reporting meet established standards.
• Working with incident response, industry standard forensics tools and processes, and SIEM log and flow correlation Of computer and network operating system fundamentals (e.g. operating systems, applications, storage, and networking.
• Work with engineering and application support for complex issues and worked closely with the Firewall and Network vendors.
• Travel to State Agencies, install new Hardware, Upgrades, maintenance, data flow diagrams, Label servers, network cables,Document,Tasks done at client Location .
• Snort update on Staging, production, Development servers.
• Server monitoring using Nagios monitoring System.
• Packages Update through Redhat Spacewalk .
• SEIM Monitoring log Sources.
• QRADAR Confidential Installations.
• Migration on Servers, Rack Mount, Stack, Networking, adding servers, Nagios Monitoring tool.

Confidential, Atlanta,GA

Senior LINUX Administrator

Responsibilities:

• Linux, Solaris, AIX, VMware and Microsoft Windows 2012r2 Support Admin for a High Availability Environment.
• Implementation of UNIX-based (Solaris, SUSE, Redhat Linuxand AIX) servers in medium to large enterprise environment.
• Worked on CA Layer 7 API installation and Configuration on Suse Linux 11 SP3.
• Worked on Building Infrastructure for Hadoop clusters on HP, Dell Servers and provided Support.
• Worked on Nutanix an Enterprise Virtualization and storage, Created Cloud environment and build Hadoop Clusters on Virtual Servers.
• Troubleshooting, diagnosing tuning and solving Hadoop related cases, Managing and reviewing the Hadoop log files.
• Hadoop cluster planning and maintenance.
• Monitoring and managing Hadoop cluster using Cloudera manager.
• Delivery Management of infrastructure projects, worked on business needs, costs, solutions on reengineering and automation of business processes.
• Worked on Microsoft Cloud, TeraBytes of storage did Linux customization on VMM, Hyper-V VMs building RAID configurations and providing Storage to Clients.
• Shadowed Hadoop Admins using cloudera manager, Horton Works Building Hadoop Clusters.
• Maintained the HP Blade server Hardware virtualization, Installed and maintained the C7000 series of HP Blade enclosures.
• Worked in coordination with administrators, engineers and team leads for designing and implementing VMware High Availability (HA) cluster across several virtual machines and ESXi hosts.
• Ensured high efficiency and performance of virtual machines by implementing VMware Distributed Resource Allocation (DRS) in a cluster environment.
• Installation and configuration of Tivoli for various Platforms and Unix flavors like AIX 5.x, 6.x,7.x
• Managing day-to-day operation by monitoring Enterprise Data Centers and applications.
• Shell scripting, job automationand performance monitoring andmaintenance.
• Bash scripting for regularsystem automation tasks, resourcemonitoring and system performancemonitoring.
• Experience on End to End process including ordering hardware, installation, configuration and decommissioning of the servers.
• Configured NTP, YUM Server, Net Console, Syslog Server, Clustering.
• Write the scripts for taking server H/W information
• Experience of working on high priority incident ticket (P2, P3) with high critical deadline, interacting directly with the client, continuously involved in meetings.
• Prepared Run books for OS builds,SAN,Hadoop Installations.

Environment: Red Hat Linux 5/ 6, Solaris 10, AIX 6,7, Windows 2012r2, HP ProLiant DL580 and DL380, Cisco UCS Blade servers, IBM P-Series, Weblogic, IBM Web Sphere, JBoss 5.0, python, VMware virtualization, VMware ESXi, SAN, Virtualization,Nutanix,Layer 7 API, Microsoft Cloud.

Confidential, Fairfield, CA

Senior UNIX Administrator

Responsibilities:

• REDHAT Enterprise Linux 5 Installationon HP Proliant servers using kickstart and configuration & support for various applications run on Linux environment.
• Installation of Quest software on 4000+ Aix, Linux, Solaris Servers, Tripwire Install on SOX Servers.
• Involved In Operating System upgrades of Aix,Solaris, Linux Servers.
• Worked on VMware Virtual Center Server for centralizing ESX and ESXi servers.
• Day to day duties for Unix/Linux server maintenance and support to developer's team for their issueswith application, tuning, troubleshooting, software running on Unix/Linux Servers.
• Support and troubleshooting of LinuxApache, MySQL, Have knowledge on MySQL, Oracle Database Administration.
• Involved in 24x7 supports for both production and development databases with on-call pager.
• Support of multi flavor UNIX environment Linuxand Windows with various responsibilities.
• Setup and configured network TCP/IPat all levelsonLinuxservers
• Implement the Windows Active Directory for the Domain Administer of Win 2003 Domains.
• Deployments, Drive Application Release Task Plans, Handle Application Outage if any Invite all team to bring the application up and running.
• Experience working with Akamai to load balance traffic and fail over traffic across different data centers and content caching for all web applications hosted through Akamai.
• Troubleshoot complex application and system performance problems across multiple tiers.
• Receive escalated support tickets from tier 1, operations and tier 2 to resolve these tickets and look for root cause.
• Lead technical conference calls in outage situations, drive the overall call, and resources to resolution.
• Deploy applications to production and confirm proper operations.
• Work with development teams to document and automate deployment procedures for handoff to tier 1 team.
• Applying operating system updates, patches, and configuration changes.
• Install and configure new java software such as Resin, Tomcat, WebLogic, and WebSphere.
• Work with Development teams to onboard new applications, configure monitoring, update and approve documentation and adhere to standards.
• Performed WebLogic Server and Portal administration tasks such as installing, configuring, monitoring and performance tuning in both the UNIX and Windows based platforms.
• Worked extensively on Solaris, Linux, and AIX and Windows platforms for different applications.
• Performed J2EE application deployment and administration including WAR, and EAR files.
• Developed and maintained Shell scripts that facilitate the Administration of BEA WebLogic Server 6.0/7.x/8.1/9.x/10.x and WebLogic Portal 10.3.0.
• Created Crontab scripts for timely running jobs.

Environment: AIX 5,6,7, Windows 2008,Red Hat Linux4,5,6 WebLogic, JBoss 5.0, bash, SOX Servers,Tripwire,Quest software 10g/9i, VMware virtualization, VMware ESXi.

Confidential, Denver, CO

UNIX System Administrator

Responsibilities:

• REDHAT Enterprise Linux 5 Installationon HP Proliant servers using kickstart and configuration & support for various applications run on Linux environment.
• Installation windows AD server, Installed Weblogic.
• Supporting Solaris, Linux servers inproduction/stage/development environment.
• Unix/Linux user's creation, file/dir level permissions, Sudo permissions etc.
• Installation and creation of 9i and 10g databases for Testing, Development and Production.
• Installation of Oracle version 10g on Solaris 10 and HP-UX11.
• Installation of Clearcase Version Control system, Testing.
• Os Migration from Redhat 4,5 To Suse Linux 11 Sp2,Sp3 according to client requirements.
• Experience in Identifying performance bottlenecks on high volume transaction systems. Analyze SQL statements, reorganize database objects and design indexes to improve response of queries.
• Perform system trouble-shooting, performance tuning and capacity planning.
• Use VSphere vCenter Server to monitor virtual machine resource usage.
• Applying operating system updates, patches, and configuration changes.
• Install and configure new java software such as Resin, Tomcat, Weblogic, and Websphere.
• Perform tuning of java applications and JVM health.
• Work with Development teams to onboard new applications, configure monitoring, update and approve documentation and adhere to standards.
• Shadowed OCFS Cluster Build on oracle Linux, Installation of Zabbix, Splunk.
• Performed WebLogic Server and Portal administration tasks such as installing, configuring, monitoring and performance tuning in both the UNIX and Windows based platforms.
• Worked extensively on Solaris, Linux and Windows platforms for different applications.
• Worked closely with database administration staff to ensure optimal performance of databases, and maintain development applications and databases.
• Involved in management of 100 Server and 200 Virtual Machines.
• Shell (ksh, bash) scripting for various admin related jobs.
• EMC (LUN creation, assigning and mapping)
• Design and implement Backup Policies.
• Support to any issues coming onLinux servers and for applications, which run on them.
• MySQL and Oracle Database installation and Monitoring on Linux using Nagios.
• Troubleshooting all kind of apache, Tomcat and PHP issues.
• Managing volumes in Linux by LVM.
• Experience in setting Linux RedHat Cluster Suite (4 node cluster).
• Configuring and managing Cluster instances for MYSQL and Oracle database.
• Experience in configuring LUN on EMC storage, assigning them to proper storage group and making them visible to operating system.
• High Performance Cluster using the platform computing software using Red Hat operating system.
• Played role as a Vmware, Solaris, and Linux Admin to provide L2 support in a complex Environment.
• Performed connection diagnostics in order to access route specifics and diagnostics from the switching infrastructure.
• Also concerned with every day growth and Inspections to make sure quality and goals were being met.
• Provided operational Documents to make the Environment more convenient.

Environment: Red Hat Enterprise Server (RHEL 3, 4 and RHEL 5), HPUX-11i, 11.x, 10.x, Solaris 8, 9 and 10, EMC Powerpath, Oracle, Perl scripting, VMware ESX Server, Qlogic, Emulex, Weblogic,Jboss, HP Blade servers, EMC and Clariion Storage

Confidential, Atlanta, GA

Unix System Administrator

Responsibilities:

• RedHat Enterprise Linux 3/4/5, SUSE Linux, Installation on HPProliant servers using kickstart and configuration & support for various applications run on Linux environment, configuration, performance tuning, patching and maintenance.
• Supporting 300+ Linux servers in production/stage/development environment
• Creating VMware Lab setup as per Internal QA team’s requirement using VMware ESXi servers.
• Start Stop Web logic managed servers, admin servers, Hardware Upgrades, Find Root cause Of Outage of application and upload it in Knowledge base. Maintain a log book for hardware and software problems.
• Implement Root, Forest and Child Domain System with Additional Domain Server in the different sites.
• Implement Domain Name Server by Using Primary and Secondary DNS Servers.
• Worked on Ecommerce best practices and online marketing methodologies.
• Configure LINUX Server as a Data Storage Server.
• Configure the Users, Global and Local Groups in the Enterprise Server Environment with types of Permissions.
• DNS, DHCP, NFS, NIS configuration.
• Worked with object oriented software development methodologies and practices across all phases of the Software Development Lifecycle.
• Unix/Linux user's creation, file/dir level permissions, Sudo permissions etc.
• Using VM converter converting Physical machines in VMware VMs.
• Updating/patching Linux, Windows Virtual Machine in VMware clusters
• User management, security planning and implementation.
• Setup and configured network TCP/IP at all levels on LINUX servers.
• Administered and maintained Solaris server and OS for production, Internet and intranet services.
• Interacted with the global Solaris Engineering team regularly to understand and design solutions.
• Involved in the installation, monitoring and support of Unix based servers, firewalls, Cisco networks, perimeter security technologies, Internet technologies and remote office WAN/ LAN connectivity.

Environment: Red Hat Enterprise Server (RHEL 3, 4, 5), Solaris 8, 9 and 10, windows 2003, EMC PowerPath Perl scripting, VMware, WAN/ LAN

Confidential

Systems Administrator

Responsibilities:

• Worked with File System includes UNIX file System, and Network file system.
• Planning, scheduling and implementing OS patches on both Solaris & Linux boxes as a part of proactive maintenance.
• Installation and configuration of Oracle database 8i on various OS platforms like HP-UX, Linux, and Windows NT, 2000.
• IR management oversight(look for trends,ways to fix re-occurring issues)
• Application Standardization activities (Apps to IT standards as needed and as possible.Any unspecified BAU activities (COPS) as required.
• Train T1 on application level changes, as required (i.e. if architecture changes).
• Sharing Technical skills (as appropriate, ie weblogic overview), Support T1 as needed in crisis.
• Responsible for configuring NFS & Autosys, Applied patches both Server side and Client.
• Worked on setting up new environments (Development, Production etc).
• Performed and maintained the corrupted file system, Supported with Sybase Application.
• Responsible for scheduling jobs using crontab and at, Administering Disks and File systems using LVM.
• Developed various Korn, Perl, bash and shell scripts to automate tasks.
• Worked with Net stat, Prstat, Iostat monitoring commands
• Control System behavior through Boot PROM, Installed and configured Solaris and Linux Servers.
• Worked with Logical volume Manager (LVM), Worked with Configuring and troubleshooting NIS.
• Help and troubleshoot user accessibility problems.
• Responsible for Monitoring network statistics of various network related data structures.
• Involved in Documentation of UNIX environment and configuration details.

Environment: Red Hat Enterprise Server (RHEL 3, 4), Solaris 8, 9, windows 2000, Shell Scripting, WAN/ LAN