PROFILE SUMMARY:

• More than 6 years of industry experience in leading Unix infrastructure team of System Engineers / Administrators on Solaris, Linux, Vmware.
• Extensive hands on Implementation, Administration and Troubleshooting experience on Sun Solaris, Linux and SAN EMC environments.
• Experience in production support, Data Center migration, application re - platforming
• Extensively experienced with RHEL implementation through satellite server patching, yum repositories, kickstart
• Experienced in studying the kernel performance issues using various utilities like top, prstat, vmstat, sar, etc
• Proficient with configuring and maintaining NFS, DNS, NIS/NIS+, DHCP, SMTP, and Networking with TCP/IP.
• Worked extensively in Data Center migration and re-platforming projects for migrating servers, data and users.
• Experience is security remediation and server hardening for security audits
• Well versed in production support, working with multi-terabyte storage using LVM, SVM, ZFS, Veritas Volume Manager and high-availability VCS and Sun cluster
• Experienced in performance troubleshooting and tuning on network, kernel and OS level
• Well versed with Change Control Board under ITIL premises

PROFESSIONAL EXPERIENCE:

Confidential, Twinsburg, OH

Unix Administrator

Responsibilities:

• Installed, configured and managed Solaris 10, 11 on Sun Enterprise systems,
• Administered, maintained Red Hat Linux Release 5 and 6 (and some 7).
• Patching RHEL and Solaris servers with latest patch clusters.
• Data-center migration of more than 100 servers on Solaris + RHEL platforms
• Firmware upgrades for Linux and Solaris Physical machines.
• Troubleshooting Hardware, Operating System Application & Network problems and performance issues.
• Configured and Administering Solaris and Linux Servers.
• Server Virtualization using VMWare ESX 5.x.
• Installation, configuration, troubleshooting, start, stop, upgrade and code deployments on all the production and testing servers.
• Mirrored volumes and used different RAID levels on Solaris and RHEL servers
• Installing and configuration and maintenance of Veritas Netback up 4.5/5.1 and TSM
• 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).
• Written Shell Scripts to collect the System performance Information, account information on a daily basis.
• Implemented NIS and NFS for administrative and project requirements.
• Tuning the kernel parameters based on the application/database requirement.
• Configuring SUDO and granting root permission to users for performing certain activities.
• Monitoring System Performance - Virtual memory, System events, Swapping, Disk utilization, CPU utilization.
• Performing the automation using Chef Configuration management.
• Involved in chef infra maintenance including backup/monitoring/security fix.
• Installed and configured Veritas Cluster .
• Handling hardware failures with coordination of vendors.
• Implemented authentication tool Centrify AD in Current Environment and responsible to support the tool and coordinate with the Vendor..
• Experienced in build automation using Jenkins, Maven
• Installed, configured multiple operating systems onsite and provisioned similar instances on AWS cloud.
• Performed all necessary day-to-day GIT support for different projects
• Installed and configured Jenkins for Automating Deployments and providing an automation solution.

Confidential, Charlotte, NC

Unix Adminstrator

Responsibilities:

• Worked on server builds in multiple environments such as DEV, UAT.
• Creating Templates of Linux machines on VMWare.
• Worked on BMC remedy ticketing tool, involved in solving certain tickets.
• Installation and configuration of Red Hat Enterprise Linux (RHEL) 5x, 6x Servers on Dell Hardware and VMware virtual environment.
• Worked on system administration tools, Networking (LAN and WAN,) UNIX, Load balancers, DNS, TCP/IP and Storage technologies.
• Performed Cloning of virtual machines in vmware .
• Resposible to take snapshots of linux virtual machines in case of a kernel panic can revert back the server to older version using snapshots.
• User addition, password management (expiration, ssh keys, etc) for Security Audits
• Participated in DR exercises
• Involved in major migrations from Solaris to RHEL.
• Worked with backup team to backup Linux servers using Netbackup
• Configured and maintained NFS, NIS and DNS for sharing the file systems and the name resolutions.
• Management of Red Hat Linux user accounts, groups, directories, file permissions and sudo rules
• Experience in providing day-to-day user administration like adding/deleting users and managing user’s queries and maintained Server.
• Worked with Redhat Package Manager (RPM) and YUM
• Creating File system and configure to available on network through NFS.
• Configured Linux servers as clients to satellite server to use it as repository server and used it for quarterly patching.
• Extensively worked on Configuration management tools like Chef and Ansible.

Confidential

Systems admin

Responsibilities:

• Maintaining Solaris 8.0, 9.0, RedHat Linux Servers.
• User management and maintenance using in-house developed Perl and Shell scripts
• Building new servers using DVD and ISO methods
• Providing Online Support for the Custom built Transcription Software in all the Offices to ensure productivity.
• Installed and Configured SUS 1.0 in Windows 2000 server/Clients for Automatic windows update.
• Day to day administration of Unix environment using ticketing systems
• Filesystem creation and maintenance using Veritas Volume Manager and SVM.