Senior AIX & PowerHA Systems Engineer

PRAKASH MATHUR

East Providence, RI *******.********@*****.*** 323-***-****

PROFESSIONAL SUMMARY

Extensive experience in IBM AIX systems administration on VIO based virtual LPAR servers with IBM PowerHA for high availability on IBM P series frames and RedHat Enterprise Linux servers on VMware

-vSphere client servers. Handle activities on data centers running 24/7 production servers and Disaster Recovery site support, project rollouts, installation, full upgradation, testing, performance tuning and extensive troubleshooting.

CERTIFICATIONS

IBM Certified Specialist on AIX 5 for p-series e-server administration PROGRAMS AND TRAININGS

• AIX Systems Administration

• RedHat Enterprise Linux Systems administration

• AIX Advanced Systems administration

• PowerHA System Mirror 7 Planning, Implementation, Customization and Basic Admin

• PowerHA System Mirror 7 Advanced configurations

• IBM Platform Elastic Storage (GPFS) System administration for Linux

• AIX TCP/IP Communication

• Oracle

• Unix & C Programming

SKILLS

• AIX Versions 5, 6 and 7 administrations

• PowerHA versions 6 and 7 administrations

• RedHat Enterprise Linux Verison7 & 8 administrations

• Tivoli Storage Manager (TSM) 5 administration

• Windows administration

• Quality assurance testing

• Virtualization technologies

• Troubleshooting and RCA

• Ticket handling Service now

• Server building & configuration

• Infrastructure Management and working with vendors

• Hardware Configuration and Management

• Software Installations & management on Servers

WORK HOSTORY

Hasbro Inc.

Sr. Systems Engineer Providence, RI From 2013 - 2023

• Worked on IBM P series power7-P795 and power8-P850 servers with Virtual AIX LPARs built and managed through dual VIO servers with npiv disks

• Implement and manage PowerHA clusters for Production applications and databases.

• Manage AIX LPARs running SAP systems including ERP and other SAP applications accessed globally.

• Manage GPFS and Cluster servers for SAP database

• Manage DR servers for severity one applications at a different site with replicated data on storage side through SRDF process to complete Disaster Recovery procedures.

• Maintain and upgrade VMware based servers with RedHat enterprise Linux (RHEL) for EDI, SAP applications.

• Establish process to upgrade/migrate AIX level with clone disk process / nimadm method to save downtime from AIX level 6.X to 7.1 and AIX 7.1 to 7.1.X or AIX 7.1.X to 7.3

• Upgrade RedHat Linux servers monthly to latest level available for that version

• Manage 24X7 day to day alerts and warnings for file system space, CPU, and memory utilization etc. to keep low downtime & maintenance and achieve SLA, (24X7) on call support

• Handing changes in environment and downtime through approved service now software requests.

• Use LPM to avoid downtime of servers in case of hardware failure and replacement of hardware.

• Manages NIM server for AIX and satellite server for RedHat enterprise (RHEL) Linux environment for patching.

• Use HMC to configure and Manage Virtual servers (LPAR’s)

• Use putty sessions to work on multiple LPAR’s together

• Coordinate with other teams to work on servers and manages downtime

• Keep upgraded with the latest hardware and software releases and maintain environment UpToDate to avoid security issues.

• Maintain all hardware and software under service maintenance contract of the vendor

• Doing self-development by attending training courses and online courses

• Working with vendors to resolve hardware and software issues on servers

• Resolution of Rapid7 vulnerability on servers including upgradation of OS and applications like Java etc.

• Working with IT Auditors to collect and provide data needed by them to complete IT Audit every year

• Take weekly OS backups and install and support backup software to take data backups and maintain them

Alina Health

Systems Engineer Minneapolis, MN From 2012 – 2013

• Daily monitoring and resolving alerts and schedule changes on servers

• Create change records to schedule patching AIX on a scheduled down time

• Upgrade systems software and applications as needed

• Resolve system vulnerability from the audit report

• move and migrate servers to a new data center

Enterprise Holdings Inc.

Systems Engineer (Contract) St, Louis, MO From 2011 – 2012

• Monitoring and solving server alerts daily

• Creating changes, attending change control meetings to get them approved and working on changes as scheduled

• Managed performance on servers including CPU, Memory and disk

• Patching of AIX levels regularly to avoid security issues as and when become available by IBM.

IBM Global Services

Systems Administrator (Contract) Bouler, CO 2010 – 2011

• Maintained Linux / AIX servers that primary support in IBM GDF account for many Fortunes 500 clients

• Daily on-call support with problem / change management including pager schedule for server alerts

• Collaborated closely with project management to define projects, scheduling, and implementation for the team, including AIX patching / upgrade using NIM server.

• Regularly attending in daily, weekly and change control meetings United Health Group

AIX Systems Administrator (Contract) Minneapolis, MN From 2009 – 2010

• Verified and tested LPARs and configuration of TCP/IP network pre-migration

• Migrated LPARs using shell scripts to different frames in new data center

• Configured LPARs and services post-migration, collaborated with other teams such as database and applications teams to verify functionality

• Daily on-call support with problem / change management Allianz Of America

AIX / Linux Server administrator (Contract) Minneapolis, MN From 2007- 2009

• Maintained two complexes with 24/7 support: a production site and a DR site, each with two HMC servers for administration and redundancy

• Maintained Production LPARs on AIX 5.3 to 5.9 environments mainly on Power5 P570 servers. All servers are virtual LPARs with two VIO servers for redundancy of each physical server.

• Daily on-call support with problem / change management with HP open view software.

• Updated HMC code and AIX patches

• Activated server resources for capacity on demand on servers IBM Global Services (viewpoint account)

AIX / SP Server Administrator (Contract) Columbus, OH From 2006-2007

• Managed four AIX SP production complexes with 24/7 support: all complexes had ~25 nodes including p680, p650 servers and Linux servers with tape libraries

• Responsible for maximum production uptime as its Banking / financial servers

• Performed schedule changes, installing software patches Southern California Edison

AIX / Linux Server administrator (Contract) Los Angeles, CA 2004 – 2006

• Managed Two major data centers with IBM virtual servers and AIX Enterprise servers

(RS/6000), ESS SHARK Storage with SAN.

• Installed and maintained AIX servers, microcode on fiber adapters, data migration in case of disk failures.

• Performed monitoring, tuning, error analysis, diagnosis, and replacement of adapters, SSA disks, SCSI disks and other parts.

• Handled user requests and maintaining servers with change management Franklin Templeton

AIX / TSM Administrator (Contract) Sacramento, CA From 2003 – 2004

• Monitored and troubleshooted TSM servers, including proactive and reactive problem resolution, monitoring backups and schedules, recoveries for data needs

• Migrated and reclamation of volumes in 3584 libraries, check status of scratch volumes, keep sending copy pool volumes offsite and inserting new volumes IBM Global Services – IBM-TSM Support Center

TSM Administrator (Contract) Fort-Worth, TX From 2001 – 2003

• Installed and troubleshooted TSM server on AIX with Windows clients on TCP/IP network

• Resolved problems with storage pools and storage volumes

• Monitored backups and other schedules, recovery for data needs or server failures.

• Participated in customer calls and resolved TSM issues, including troubleshooting and installing ADSM / TSM server and clients on many platforms

• Solved client server problems such as scheduling errors, client and server options, backup restores, policy sets and management class working with variable TSM server libraries

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