Systems Information Technology

Sebastien N. Tiodjang

**** ****** ***** ** ***#**06 Euless TX &6039

Phone: 214-***-****

*****************@*****.***

Professional Summary in Information Technology

A junior level Unix/Aix administrator with over 8 years of experience in IT and over 4 years of experience in Unix/Aix administration

Creating LPARs using HMC and installing operating systems and business applications.

Creating VIO LPARs and its Clients LPARs. Also worked with the SAN team for ANS attached, NPIV, vscsi, etc

Upgrading HMC Software Version by downloading it from the IBM fix central

Work with Aix versions 5.1, 5.3, 6.1, and 7.1

Complete work on logical volume manager (LVM): Created volume groups, created file systems, extend volume groups, reduce volume groups, increase File systems, reduce file systems, mirrored rootvg, exportvg and importvg, and much more

Evaluating existing customer IBM POWER Systems to determine the need for hardware, firmware, and AIX upgrades and updates.

Working with Operating systems Security Patches as part of remediation process. Obtained permission from server owners and also obtained resources from the other teams like Database, Application that will be available for support/validation before and after Patching and rebooting the Servers.

Working with all the performance related tools to tune systems for better performance. Working real commands like topas, nmon, vmstat, svmon, sar, iostat –D, iostat –a. Also worked with perfpmr, nmon and nmon analyzer, filemon

Day to day systems management including complete work on LVM, networking, users account, software installation, Paging Space, etc

Creating users with root’s privileges and also users with limited root’s privileges called the sudo users

Installed software including downloading and transferring from my laptop to the NIM server using WinSCP

Scheduled mksysb to run in crontab file for daily backup

Write out RFC (Request for Change) and created Request in ServiceNow assigning all teams involved with their tasks

Power Systems microcode (Firmware) upgrade

Good knowledge of IBM LPM (Live Partition Mobility)

Good knowledge in Microsoft words, excel, power points,

Good knowledge in pre-press, Graphical design, digital Publishing

Employment History and Professional Experience

Dallas Systems Inc./Hudson Bay Company April 2014 – December 2017

Jackson MS

Unix/Aix Administrator

Designed and Configured IBM Power Systems 6, 7, & 8 including Capacity management, shared processor pools, auditing of the shared processor pools, performance of the shared pools and individual LPARs, and much more

Created VIO LPARs and Client LPARs on the IBM Power Systems 7 and 8 to used vscsi and NPIV disks.

Installed the AIX Operating Systems from NIM, disks media, CDs, removable drives, etc

Recover the root password by booting the system from a media with the same Operating system level, TL, and SP

Upgraded the NIM server and downloaded and installed several software on the NIM to be used on other systems

Worked on Smart tickets for the Unix team on all sort of Unix server problems.

Granted sudo rights to non-Unix administrators to allow them to perform certain activities as sudo users.

Granted sudo access to folders for non-Unix administrators

Installed and upgraded Java

Installed Aix conversion tables on all AIX Middleware systems

Installed WebSphere, Oracle, DBX, and many other software

Created NFS mount

Created users both active directory users and local users

Working with Operating system Security Patches as part of remediation process. Obtained permission from server owners and also obtained resources from the other teams like Database, Application that will be available for support/validation before and after Patching and rebooting the Servers.

Working with all the performance related tools to tune systems for better performance. Working real commands like topas, nmon, vmstat, svmon, sar, iostat –D, iostat –a. Also worked with perfpmr, nmon and nmon analyzer, filemon.

Complete work on Migration using LPM and without LPM.

Setup and configured Power SystemMirror(HACMP) and performed the daily maintenance and troubleshooting

LPARs migration from one Frame onto another and also Operating systems migration.

LVM work – created file systems. Logical volumes, volume groups, export/import, added space to systems after the LUNs are mapped to the system by the storage team. Troubleshoot issues related to LVM

Troubleshoot general issues related to the AIX Operating System

Created backup procedure for mksysb and scheduled daily mksysb backup in crontab file.

Education

Bachelor of Art and Sciences from the University of North Texas, Denton Texas 2015

Associate of Applied Science from Texas State Technical College, Waco Texas 2011

Languages

English – speak and write fluently

French – speak and write fluently

Spanish – speak and write average

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