SUMMARY:

• 9+ years of experience in the field of Information technology as Systems Administrator and managing Applications and Data Bases
• Experience in Installing, configuring, Implementation and maintenance of Windows 2003, 2008 servers and Linux4/5/6, CentOS, Fedora, Ubuntu, SUSE servers HP Unix
• User administration, from managing users and groups and granting privileges and permissions
• Extensively worked on server Upgrades/Patches, configured satellite server 6.3 on RHEL 7.4
• Monitoring scheduling ESX hosts using VMware vSphere client
• Worked on the ESXi components such as VMware High availability, VMware distributed resource scheduler, VMware data recovery, VMware vSphere, vCenter, vMotion…
• Designed and implemented Vertitas Cluster management suite for high availability
• Extensive knowledge on File System Management
• Installed and configured Oracle Enterprise Linux ( Confidential )
• Monitoring and troubleshoot backups and schedule Cron jobs
• Extensive experience in Mail Server, Samba Server, Apache, Jboss, IIS 6, 7 web Server
• Experience in scripting using BASH & PERL
• Worked on configuring NIS, NFS, DNS, DHCP, FTP, FSTP, Telnet, LDAP ……
• Worked with Configuration Mgt tools like Chef, Ansible and Puppet
• Extensive knowledge on trouble shoot and monitoring using manual command line and Tools
• Working knowledge on SAN/NAS for storages, Network Monitoring utilities TCP Dump, Telnet, Trace Route, Wireshark
• Working knowledge of Cloud services Azure and AWS
• Extensive experience in network management TCP/IP, SMTP, UDP, NIS, DNS, NFS, VLAN, HTTPS.
• Worked with Monitoring and Tickets Systems such as Remedy, Graphite, Clear Quest
• Worked on Audit & PCI Compliance
• User Interaction, Team player, Project implementation and Excellent Communication.
• Ability to work in a complex, fast paced and rapidly changing business environment
• Proven experience in incident identification, diagnosis, troubleshooting and implementation or deployment of the solution to include testing and validation.
• Excellent analytical and problem - solving skills
• Ability to work individually and in a team environment
• Provides management of infrastructure and applications changes.
• Maintaining Technical documentation and quality control for the users.

TECHNICAL SKILLS:

Operating Systems: RedHat LINUX v4/5, SUSE v9, HP Ux Windows v 2000/2003/2008

Networking Services: NIS, NFS, AutoFS, DNS, TCP/UDP Protocols.

Applications: NetBackup, TSM, PeopleSoft, WebLogic, Chef, Puppet, Jenkins

Database: DB2, SQL Server 7.0 Oracle v9i/10g/11i (OEM, RMAN)

Programming: Shell Script ksh and Bourne shell

Virtualization Products: Vmware, ESX, ESXi, vSphere, vCenter, vFabric-Hyperic, Xen client

EXPERIENCE:

Confidential, Boston, MA

Systems Administrator

Responsibilities:

• Installed Configured and recovered Linux, Windows, Ubuntu, CentOS Servers on Virtual Env
• Recovered VM’s from TSM Backup repository, troubleshooting issues while performing recoveries
• Configuring DNS, NIS Server, NFS shares, SSH Keys, SFTP, TelNet, LDAP Authentication
• Applied Patches and updates on Linux, Satellite Server 6 and Windows Env
• Configuring logical volumes Mgt, Vol Groups, Physical Vol, performed recoveries from old .vmdk disks
• Assisting Application team in setting up Oracle DB and SQL server
• Automating Tasks using Chef, Ansible config Mgt tool
• Configured EC2 Instances and Managed S3 Storage services on AWS Cloud
• Setting up monitoring tool OEM for proactively monitoring the server utilization and resource consumption and log parsing using Splunk
• Documenting process and procedures followed during the recovery

Confidential, Boston, MA

Linux Administrator

Responsibilities:

• Installed configured and Administered Linux 5.x, 6.x and Windows 2008 R2, Ubuntu Servers
• Performed build and deployment of servers in Virtual environment using vSphere, vCenter and deploying global policies using HPSA
• Performed Data Center Migration and Integration in a critical time crunch scenario
• Worked on Configuring Tivoli Storage Manager to perform backup of the operating system and file system, adding Storages to the existing data source over virtual Env
• Managing Access Administration, restricting and securing unauthorized access to the hosts and granting privileged access to the System Account and Users Accounts
• Configured secured shell login SSH, Public/Private Authentication
• Worked on NFS, DNS, NIS, Telnet, SSH, sFTP, IIS servers
• Configured and Managed EC2 Instances and Cloud services on AWS Env
• Automating and configuring App services using Ansible, Chef, Puppet
• Providing day to day support to the development and Database teams.
• Supporting scheduled periodic patching of the servers and supporting the release deployments, supporting/upgrading Jenkins to support deployment process
• Participating in trouble shooting complex issues with Storage, ESXi hosts, Firewalls and Networking
• Prioritizing the tasks participating in War room calls and triage the high priority issues
• Worked on monitoring tools such as OEM, EM7, New relics, HPOpen View, XMatters Splunk
• Proactively monitoring the systems health check and load on the hosts
• Tools worked on Workbench Workstation, HPSM, HPSA, Jira, F5, Chef/Knife, Puppet, Sub- Version, Jenkins, Jira, Service now, Wireshark TCP Dump.
• Maintaining Documentation and Process/Procedures on Wiki.

Confidential, Boston, MA

Linux Application Support

Responsibilities:

• Installed, Configured Administered Monster’s E-Marketing Application Confidential Marketing Application, running on Red Hat Linux 5
• Worked on Windows 2003 and 2008 R2, managing and administering windows services, .Net Apps for Reporting tools and IIS-6,7 Administration
• Installed and Configured Web Logic 10, 12c Web Server
• Administered Confidential Application Component and Process which involves Flowcharts, Mailing Tabs, eMessage, running Campaigns
• Installed and Configured Secure Socket Layer on Web Logic, Apache, IIS Servers.
• Installed, Configured Administered Oracle Content Management Server(OCM)
• Performed Disaster Recovery Test(TARP) on the DR- Application Servers, to Make Sure Fail Over and Fail Back is smoothly carried out
• Configured b (HTTPS) on Apache, IIS 6 & 7, Web Logic
• Managed Load Balancing on F5 Load Balancer across Data Centers
• Prioritizing the Tasks and resolving Tickets
• Tracking the Application Work flow in the Back end which are running on Oracle DB
• Trouble shooting Issues with the Live Linux and Application servers
• Built Linux servers for creating new Dev/Test Environments for application servers
• Worked on Apache, DNS, SSH, Telnet, FTP TCP Dump, Trace Route
• Managed Linux based Application File system management across the data centers
• Monitored the Linux servers regularly and performed troubleshooting steps
• Maintained necessary backups of important files and documented scripts for future reference
• Documenting the Application Process and Procedures
• Provided on call support on a weekly rotation basis

Confidential, CA

VMware Admin

Responsibilities:

• Installed and Maintained Linux, Unix, Ubuntu, CentOS, Fedora, SUSE, Windows 2003, 2008 Servers & MYSQL, Oracle DB’s
• Worked on ESXi 5, vSphere, vCenter, vShield, vFabric Hyperic Monitoring, Graphite
• Worked on Software Configuration System
• Worked on Continuous Automated System Testing for VMware’s products
• Performed Initial level PERL, Python & Ruby Code Triage/update and code review
• Worked on Test Deployment scripts using PERL, Python, BASH
• Worked on Perforce(P4) repo to review and update source code
• Monitoring system performance and trouble shooting
• Installed Configured VM’s for verifying the product release
• Configured DRS& High Availability
• Worked on Linux server configuring DNS, SSH, NFS, HTTP, LDAP, File system Management,
• Worked on VM networking vNic, vLAN, vSwitch
• Monitored and Triaged Bugs
• Worked with deploying test builds and validating test releases
• Proactively monitoring the automated release deployment
• Deployed VC & multiple ESX servers under Virtual Center Director
• Documenting Work flow and maintaining Run book

Confidential, NY

UNIX/LINUX System Engineer

Responsibilities:

• Performing daily System Administration on Red Hat Enterprise Server 4.x, 5.x, 6.x, Windows Server 2003
• Installing and Configuring server and application software
• Monitoring and administering production servers remotely and at data center
• Worked on MYSQL, SQL Server and Oracle Databases
• Providing 24/7 on call support
• Managing user and group administration
• Work on NFS, FTP, SSH, SCP, Apache Servers
• Performing kernel upgrade and tuning
• Configuring Logical volumes for the extended partitions
• Configuring and managing DNS, Apache Servers
• Worked with BASH, PERL scripts for automating Tasks
• Installed configured ESX servers and it components at the client side
• Administering ESX server, monitoring user’s activity and system performance
• Testing and upgrading production, development and test LINUX and Solaris.10 servers
• Configured Open LDAP Server with Authentication
• Installed and managed LDAP server for the Database Users
• Worked on logical volumes using the Cluster Volume Manage CVM
• Managing and monitoring the Databases and applications running on the server
• Configured IIS server on Windows 2003
• Performed network monitoring using Nagios
• Designing and implementing Backup and Restore strategies
• Monitoring the system and tuning the system to improve performance
• Monitoring the hardware utilization such as memory, disks, and CPU utilization
• Scheduling jobs using CRON scheduler
• Worked in high availability and load balancing for better utilization of the resources
• Experience in building servers using Kick start

Confidential, NY

UNIX System Administration

Responsibilities:

• Experience in Linux servers includes new system planning, customer support, system related problem determination and resolutions.
• Managing LVM, VG Partitions profiles and hardware resources assigned to Partitions.
• Coordinated with system architect regarding the Build-sheet discrepancies.
• Backup, restoring and performance tuning Server/clients.
• Managing System Resources like File System, Disk space, Volume Groups, Logical Volumes and Physical Volumes.
• Worked on GFS(Global file system) for scheduling tasks
• Worked with LDAP Server
• Managed and maintained local Windows Domain and Active Directory
• Experience on Adding/ Changing/Removing hdisks
• Systems Backup and Restore using various tools.
• Experience on install, upgrade and Troubleshooting client applications
• System Tuning and Performance Monitoring (HP Open View)
• NFS Administration and Troubleshooting.
• Provide 24x7 on call support on weekly rotation basis.
• Shell/Perl Scripting to automate some regular Admin tasks