SUMMARY

• Linux Administrator with over eight years of experience in installing, configuring and maintaining RHEL/SLES Linux servers in virtual enterprise environment.
• Focused on process improvement, information systems, analytical trouble shooting skills and systems automation.
• Performed major revision upgrades from SuSE 10 to SuSE11 systems.
• Administered RHEL 5/6 servers using VMware Virtualization ESXi 4.1 and ESX 4.0.
• Defined and configured the TSM client schedules and administrative schedules.
• Installed, configured and upgraded RedHat Linux 5/6
• Experience in IT Infrastructure/Architecture focused on application and business unit. Project management with end user support.
• Design & Configured virtualization on p670, p720, p770, p770+, E850 & E870 hardware.
• System Administration of AIX 5.3, 6.1 7.1 & 7.2, SUSE 11, RedHat 5.5, 6.0 & 7.0 Patching & Upgrading AIX using NIMADM, RedHat with RedHat Satellite & SUSE with SUSE Manager.
• Worked on LVM as well as on OVM administration. Used PERL scripting to automate day to day tasks.
• Experience with HP ILO remote management interface as well as IVM. Patching Linux systems/Kernel Patching/Library upgrade or downgrade.
• Designing & Deployment of PowerHA System Mirror 6.1 to 7.1.3.0 and deployed 7.2.0.1, Implemented Oracle RAC, Veritas Clusters, Configured Fault Tolerance for Linux production servers.
• Experienced in Software licensing and release management.
• Experienced in implementing Unix Security, performing Audit, SOX & Cyber Compliance.
• Implementation & operation of Confidential Tivoli TSM, Puppet, Chef, SRDF, PPM & PPMS, Power Draw, ADDM, CMDB & various Applications.
• Expertise in Architecting, installing, configuring, maintaining, designing, development, implementation and support on Linux RedHat 6/7, Confidential AIX 6.x/7.x ( p780, s824, p850 and p880), Solaris 9/10/11, in the environment.
• Responsible for Planned, designed, installed, deployed and managed servers running Red Hat Enterprise Linux 5/6/7.
• Responsible for building Servers using Kickstart for Linux.
• Expertise in creating image of Linux system with System Imager that automates Linux installs.

TECHNICAL SKILLS

Linux: RHEL/CentOS/OEL 5/6/7, SUSE 10/11/12

UNIX: AIX 5.3/6.1/7.1/7.2 , Solaris 9, Ansible Unix

Storage: EMC VPLEX/VNX/VMAX, Net App 6240

Hardware: Confidential Blade Servers, Confidential p series Power 5 - 570, Power6-570, Power 7-770 (MMB, MMD) and Power 8-870 MES, SUN Enterprise … Sun Fire (280R, V480, 3800, 4800, 6800)

Web/Application Servers: Apache Server, Tomcat, iPlanet, JBoss, Web Sphere Application Server, Confidential HTTP Server, Web Logic Server, HTML, DHTML, XML, Ansible.

Applications: Remedy, Tivoli (TSM), Tripwire, Symone (monitoring), Nessus, Sophos (security), ILMT

Scripting Language: Shell Scripting

Ticketing Tools: Mange Now ( Confidential ), Remedy (BMC) and Service Now (HP)

RDBMS: Confidential UDB2, Oracle 8i/9i/10g, MS-SQL Server 7.0/6.5 and MS-Access 97/95

PROFESSIONAL EXPERIENCE

Confidential, San Antonio, TX

Linux Administrator

Responsibilities:

• In control for capacity planning, design, install and configuration of newly Provisioned servers.
• Installed and configured 1000+ Red Hat Enterprise Linux and servers in both Physical Blade and VMware ESXI Virtual Environment running on CISCO UCS.
• Installation of Red Hat Enterprise Linux 5.x/6.x/7.x ESXI 5.0/5.1/5.6/6.0 Hosts.
• Perform multiplatform volume management using Logical volume manager on RHEL 5.x/ 6.x
• Creating and maintaining user, groups account on LINUX server.
• Setup and Configured Red Hat Satellite and kick start Servers for Red Hat Enterprise Linux/CentOS 5/6/7 installs and RPM Push updates.
• Document and categorize all SOP (standard operating system) to ensure the onshore/offshore model has maximum reliability
• Perform break-fixes and work maintenance windows as well monitor alerts and logs to ensure maximum uptime.
• Linux installations, configuration management and patch administration as member of a production support team.
• Strong knowledge of Linux kernel configuration, performance monitoring, and tuning.

Confidential, Savannah, GA

Linux Administrator

Responsibilities:

• Selected as a Linux Administrator to support onsite Linux servers in a virtualized enterprise environment.
• Design & Configured virtualization on p670, p720, p770, p770+, E850 & E870 hardware.
• System Administration of AIX 5.3, 6.1 7.1 & 7.2, SUSE 11, RedHat 5.5, 6.0 & 7.0 Patching & Upgrading AIX using NIMADM, RedHat with RedHat Satellite & SUSE with SUSE Manager.
• Worked on LVM as well as on OVM administration. Used PERL scripting to automate day to day tasks.
• Designing & Deployment of PowerHA System Mirror 6.1 to 7.1.3.0 and deployed 7.2.0.1, Implemented Oracle RAC, Veritas Clusters, Configured Fault Tolerance for Linux production servers.
• Experienced in Software licensing and release management.
• Experienced in implementing Unix Security, performing Audit, SOX & Cyber Compliance.
• Coordination with On-Site Engineers to ensure the service delivery & availability.
• Proactive measurements, Raising risks & issues and escalate to senior management in timely manner.
• Designed the Virtualization Architecture of E850, E870 frames and monitored the deployment and LPM of the lpars from power7 to power8, provided the configuration & design of the dual VIO Servers.
• Planning & Configuration of Centrify deployment for Centralized Authentication.
• Designing & Deployment of PowerHA / HACMP, created test plans for HA failover & fallback. Configured Fault Tolerance for Linux production servers.
• Designed & Configured NIM to take the Mksysb’s and to install the new Operating System on the Servers.
• Administrated Red Hat and SuSE servers using VMware Virtualization.
• Provided patch management for Red Hat and SuSE systems utilizing Red Hate Satellite and Suse Manger Servers.
• Knowledge of Cloud Computing (Openstack,Helion) SDN (Openflow/Opendaylight), NFV, Cloud Foundry, Docker, Ansible, Chef, Jenkins.
• Taking responsible for troubleshooting diagnosing and fixing production issue developing monitoring solutions and using tools which will automate daily operational activities.
• Installed and configured critical applications that were used through the environment that included backup, ips/ids sensors, virus scanners and other software required by the business needs.
• Provided ACL management for user and group administration.
• Provided support and configuration for oracle Database systems utilizing ASM disks.
• Provided ongoing Tier 3 support for ongoing and maintenance for Linux and AIX systems.
• Assisted with user account creation and maintenance for systems that did not use a central authentication system like LDAP and Active Directory.
• Provided on-call support working with a team that was based on a rotation that would result in any issues classified as critical service outage.
• Created VMware templates that were deployed enterprise wide.
• Utilize VMware native tools like cloning, managing snapshots and editing vm’s settings.
• Performed Vmotion using the VCenter 5.5 on the ESX machines for migration to the VMs online.
• Wrote documentation how to build, support and maintain current operating systems which also included how to documentation for one off case scenarios.

Confidential - Okemos, MI

Linux Administrator

Responsibilities:

• Administered RHEL 5/6 servers using VMware Virtualization ESXi 4.1 and ESX 4.0.
• Performed major revision upgrades from SuSE 10 to SuSE11 systems.
• Monitored and analyzed systems and processes throughout the enterprise for security vulnerabilities.
• Created User accounts on the mail server and also on the different Linux based servers.
• Configured & supported various applications run on Linux environment, performance tuning, patching and maintenance.
• Setup and configured network TCP/IP at all levels on Linux servers
• Unix/Linux user's creation, file/directory level permissions, Sudo permissions etc.
• Installing, patching, management and troubleshooting of RHEL /CentOS servers.
• Configured and installed VMware tools on the built VM’s.
• Worked on a Project of Data Centers Migration, Client has 5000+ Server, migrated them using various tools/methods e.g.SRDF, TSM & Mksysb.Build & Tested the Disaster Recovery Servers using Recovery Point.
• Experience in UNIX/LINUX Systems and Network administration for Linux RedHat (RHEL 4, 5, 6), CentOS, SUSE, Debian and AIX
• Installation and Configuration of (VAS) Vintela Authentication Services.
• Installed a PHP based Linux Kickstart solution that allows for the building of profiles based on IP address which allows for installation of new Linux systems.
• HACMP/PowerHA implementation and testing for redundancy on AIX 7.1 servers.

Confidential, Columbia, MO

Linux/TSM Administrator

Responsibilities:

• Installed, configured and upgraded Redhat Linux 5/6
• Administered and built TSM servers, keep their healthy operation and optimize their performance
• Defined and configured the TSM client schedules and administrative schedules.
• Registered and configured new TSM clients (nodes).
• Monitored backups checked all the scheduled jobs and performed restores.
• Participated in disaster recovery exercises and events.
• Configured and troubleshooted client issues including Cluster backups and API.
• Worked with various support groups on issues with backup/recovery infrastructure.
• Tracked and assisted with UNIX security tasks
• Performed UNIX System Administration. Fine tuning, Kernel debugging, process scheduling, disk and file system I/O, kernel internals, TCP/IP communications.
• Supported servers with Oracle 10g/11g and MySQL Databases, co-coordinating with DBA's for Kernel Tuning and performance monitoring.
• Administrated TSM servers, kept their healthy operation and optimize their performance
• Prepared, reviewed and revised department operation procedures, guides, regulations or other related documents.
• Participated in disaster recovery exercises and events.

Confidential, Jacksonville, FL

Linux Administrator

Responsibilities:

• Installed, Configured and maintained Red Hat Linux/CentOS, and AIX servers.
• Defined and maintained disaster recovery plans.
• Installed and set up Oracle9i and WebSphere on Linux for the development team.
• Installed and configured OpenSSH and TCP Wrappers.
• Configured and installed VMware tools on the built VM’s.
• Monitored and analyzed systems and processes throughout the enterprise for security vulnerabilities.
• Installed, patched, managed and troubleshooted of RHEL /CentOS servers.

Confidential, Boulder, CO

System Administrator

Responsibilities:

• Designed and deployed Centrify (AD authentication tool) in Unix/Linux environment.
• RHEL/SLES server provisioning, upgrades, patching, configuration and performance tuning in Physical and VMware environments.
• Wrote documentation how to build, support and maintain current operating systems which also included how to documentation for one off case scenarios.
• Administered and built TSM servers, keep their healthy operation and optimize their performance
• Defined and configured the TSM client schedules and administrative schedules.
• Registered and configured new TSM clients (nodes).
• Monitored backups checked all the scheduled jobs and performed restores.
• Participated in disaster recovery exercises and events.
• Configured and troubleshooted client issues including Cluster backups and API.
• Worked with various support groups on issues with backup/recovery infrastructure.