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

• 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

• Transitioned to Confidential in 2016 onsite at Gulfstream ensuring aggressive KT (knowledge transfer) goals are met while still providing all deliverables to customer. 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

• 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

• 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

• 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.
• Communicated with the user community and co-workers to assess needs, resolve problems, and provide technical assistance where necessary relating to UNIX administration functions, and software running on UNIX platforms such as Apache, WebSphere and Oracle9iAS and COTS third party software.
• 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

• 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.