SUMMARY:

• Over 7+ years of experience specialized in System Administration working on Red Hat Linux, Solaris, SUSE Linux, AIX, Cent OS, Fedora, OEL and Windows environments.
• Experience in administering Solaris & Linux. Experience in Installation, Configuration, Backup, Recovery, Maintenance, Support of Sun Solaris & Linux.
• Experience in Installing, upgrading and configuring Red Hat Linux 3.x, 4.x, 5.x, 6.x using Kickstart Servers and Interactive Installation.
• Independent problem solving and a good team player with strong interpersonal and communication skills.
• Experience supporting 24x7 production computing environments. Experience providing on - call and weekend support.
• Experience in Installing, upgrading and configuring SUN Solaris 2.6, 7, 8, 9 and 10 on Sun Servers using Jumpstart Servers, Flash Archives and Interactive Installation.
• Worked with Database administrators to tune kernel for Oracle installations.
• Experience with Veritas Volume Manager (VxVM), Veritas File System (VxFS), Veritas Net Backup, Veritas Clustering with SAN, NAS environment.
• Experience in installing, configuring and implementing the RAID technologies using various tools like VxVM and Solaris volume manager.
• Experience in Creation and managing user accounts, security, rights, disk space and process monitoring in Solaris and Redhat Linux.
• Experience in configuration of NIS, NIS+, DNS, DHCP, NFS, LDAP, SAMBA, SQUID, postfix, sendmail, ftp, remote access, security management and Security trouble shooting skills.
• Experience on Webservers such as iPlanet Webserver 6.0 /Sun one web server 6.3, 6.5, Tomcat 3.x, 4.x, 5.x & Apache Server 1.x, 2.x and integrating them with Weblogic 10.x servers.
• Experience in Sun Solaris 10(Ldoms, Creation of Zones, Service Management Facilities, Virtualization, Container based).
• Experience working in SAN environment like EMC Symmetrix DMX3, DMX4 and Clariion CX3 series arrays.
• Creating Linux Virtual Machines using VMware Virtual Center and AIX LPARs on P550 and P570.
• Installation and configuration of Jboss, Web Sphere 5.1/6.0 Application Server on Solaris and Linux boxes.

PROFESSIONAL EXPERIENCE:

Confidential, South Lyon, MI

Linux/Unix Administrator

Responsibilities:

• Administration of RHEL 4.x, 5.x, 6.x which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts, Xen servers.
• Installing RedHat Linux using kickstart and applying security polices for hardening the server based on the company policies.
• Installed, manually configured Sun machines through jumpstart installation on Sun Fire and Enterprise servers. Installed, configured Zones, LDOMs in Sun Solaris 10.
• Build LPAR system and Installed AIX 5.3 and 6.1 on LPAR using NIM Power 4, Power 5 systems and Upgraded Maintenance level as well.
• Installed and verified that all AIX/Linux patches or updates are applied to the servers.
• Configured HACMP 4.5 to monitor, detect and react to failure events, allowing the system to stay available during random, unexpected software problems and also configured to react to hundreds of system events.
• Installing, administering Redhat using Xen, KVM based hypervisors.
• RPM and YUM package installations, patch and other server management.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Worked and performed data-center operations including rack mounting, cabling.
• Tech and non-tech refresh of Linux servers which includes new hardware, OS upgrade, application installation, testing.
• Worked on installing, configuring puppet, creating profiles, pushing new changes to the servers.
• Installed, configured, and maintained WebLogic 10.x and Oracle 10g on Solaris & Redhat Linux.
• Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage.
• Worked on resolving production issues and documenting Root Cause Analysis and updating the tickets using BMC Remedy.
• Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
• Monitored server and application performance & tuning via various stat commands (vmstat, nfsstat, iostat etc) and tuned I/O, memory, etc.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Installation and configuration of VxVM 5.0 and creating disk groups, volumes, increasing volumes.
• Coordinated with the Storage, Network and Hardware teams on server provisions (HP Proliant DL385/585 G5, G6 servers, and HP BL 465C G5 blade centers).
• Experienced in Troubleshooting critical hardware and software issues and other day-to-day user trouble tickets.
• Worked on Openstack (Havana), which includes installing, configuring VMs, adding security groups, resources to the tenants.
• Adding servers to the domain and monitoring them using spectrum, sitescope, cacti.

Confidential, Miami, FL

Linux/Unix Administrator

Responsibilities:

• Installation and administration of RHEL 4.0/5.0 and SUSE 10.x.
• Configured kickstart server and updating/applying patches to the servers using Redhat Satellite server.
• Remote system administration using tools like SSH, Telnet, and Rlogin.
• Planning and implementing system upgrades including hardware, operating system and periodical patch upgrades.
• Installation, configuration and administration of VMware, Solaris Zones, Containers and Ldoms.
• Automation of jobs through crontab and autosys.
• Installation of packages, patch management, volume managment on Suse servers using YaST.
• Applied appropriate support packages/patches to maintain system integrity.
• Performed capacity analysis, monitored and controlled disk space usage on systems.
• Monitored system activities and fine tuned system parameters and configurations to optimize performance and ensure security of systems.
• Adding servers to domain and managing the groups and user in AD, installing and configuring sendmail.
• Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation Scripts.
• Worked with project manager and auditing teams to implement PCI compliance.
• Build LPAR and DLPAR system and Installed AIX 5.2, 5.3 on LPAR using NIM.
• Installed and configured Virtual I/O Server V1.3.01 with fixpack8.1.
• Configured/Maintained Zones, LDOM, ZFS filesystem Sun Solaris 10 Servers.
• Integrating Weblogic 10.x and Apache 2.x and deploying EAR, WAR files in Weblogic Application servers.
• Management and monitoring of various services using Service Management Facility and

Confidential, Columbus, OH

Systems Administrator

Responsibilities:

• Installation and configuring of SUN Solaris and Linux servers.
• Involved in Building and configuring Solaris 8/9/10 using Jump start server and Red Hat Linux Servers using KickStart server as required for the project. Maintained maximum uptime and maximum performance capacity for Enterprise Production, QA, and UAT/Staging.
• Incident management for Unix Servers (Solaris, Linux).
• Installed and configured Solaris 10 servers with Zones and containers with SUN ZFS.
• Primary responsibility includes building and supporting Solaris/ Redhat Linux 3, 4 servers.
• Monitoring CPU, memory, iSCSI disks, disk controllers, physical disk, HW and SW RAID, multipath, file systems, network using the tools NAGIOS and BMC Tools.
• Experience in installing, integrating, tuning and troubleshooting Apache, Tomcat, WebSphere and Weblogic application server.