Justin N. Njila
Warrensville center
Shaker Hts,
Ohio 44122
justinnk16@y
ahoo.com
Summary:
• An experienced Unix/Aix administrator/engineer with over many years of IT experience and over 3
years of Unix/Aix administration/Architecture/engineer
• Performance and Capacity management, Management roles
• Migration from one Aix version to another and also migration of large data center
• Created LPARs using HMC and installing operating systems and business applications.
• Created VIO LPARs and its Clients LPARs. Also worked with the SAN team for A NS attached, NPIV,
vscsi, etc
• Upgrading HMC Sotware Version by downloading it from the IBM fix central
• Work with Aix versions 5.1, 5.2, 5.3, 6.1, and 7.1
• Setup PowerHA and also configured and maintained it.
• Network configuration and setting up redundancy for networks. DNS, NIS
• Work with IBM Pseries such as Power5, Power6, Power7, and Power8 IBM, 8286-42A in a partition
environment, VIO, and stand-alone.
• TSM (Tivoli Storage Manager) as the backup software.
• Create NFS mount for patching Aix servers.
• Strong NIS background. Creating client servers and binding them
• DS8300, DS8300, Shark, SSA, RAID
• Work with Network File Systems and troubling shooting it when necessary.
• Creating users accounts and setting up privileges in those accounts
• Aix Operating Systems security Patching as part of a remediation process.
• Servers decommission. Write decommission plan. That’s write up a complete RFC (Request for
Change)
• Server’s migration from one Frame onto another and also Operating systems migration.
• Complete upgrade of the Managed Systems Microcode (firmware) level and its LPARs
• Disaster recovery specialist. Prepared servers for DR and also contributed to DR Plan write up
• Complete Systems Performance and Capacity management
• System Performance and Capacity Planning
• Worked on Servicenow tickets and old remedy tickets
• Worked with Nagios monitoring software
• Worked with nmon and nmon analyser
• Remediation of all Aix Servers
EDUCATION:
• Certified in AIX 7
• Associates of Art/science
Professional Experience:
Walter Systems Inc./ Home Depot, Marietta, GA June 2013 June 2016
Field Nation/ Essintial/ NCR July 2016 April 2017
Hyosung America
Unix AiX/Linux Administrator July 2017 Present
Responsibilities:
• Worked with Operating systems Security Patches as part of remediation process. Obtained
permission from server’s 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.
• Build VIO servers using HMC with primary and secondary VIOs. Load the operating systems from the
CD for the VIOs and use self-defined mksysb for the client’s servers. Also, install from NIM Server
• Creating numerous LPARs on Pseries using HMC (550, 570, 670, 690, 720, 770)
• Performance tuning on all the Unix servers. Analyze the issues related to CPU, Memory, File
systems, and disk space utilization. Generates graphs for performance reports and also executive
reports charts.
• Complete work on logical volume manager: 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
• Servers decommission; write decommission plan.
• Server’s migration from one Frame onto another and also Operating systems migration.
• Complete upgrade of the HMC Software version and also microcode (firmware) upgrade of the frame
and its LPARs
• 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
• Patching of Aix and Linux Servers: Obtaining authorization from business applications owners,
created contacts with the support persons for bringing down applications before reboot and validating
them after reboot.
• Firmware/Microcode upgrade from frame and then pushed out to LPARs.
• Work on PowerHA (HACMP) setup configuration and maintenance. Added storage and made
changes
• Complete remediation processes on the Servers
• Write out RFC (Request for Change) and created Request in ServiceNow assigning all teams
involved with their tasks
• Configured Nagios Monitoring software for all the AIX Systems
• Created local accounts for all the AIX servers to be used in ServiceNow
• Complete Systems Performance and Capacity management
• System Performance and Capacity Planning
• Worked with Nagios monitoring software
• Worked with nmon and nmon analyser
• Remediation of all Aix Servers
• Hardware and software upgrade and installation on PC and NCR/ ATM in the Cleveland area