Summary
Overview
Work History
Education
Skills
Certification
Training Attended
Timeline
Generic

Muralidhar Kattur Arjunan

Summary

Experienced IT analyst with 19 years of IT industry experience in Architecting,Analyzing, Building, Troubleshooting , Upgrading Various Applications.Have Extensive experience in Leading projects and Teams,doing Production Support and Automation of Manual work. Experienced in Implementing new / upgraded technologies in to the Organization.A quick Learner and Thinker who likes to work as team.

Overview

19
19
years of professional experience
6
6
Certifications

Work History

System Analyst IV

IEEE
, New Jersey
04.2011 - Current

Key Responsibilities

  • Architecting, Sizing, Building and managing Application [Dev to Prod] in Linux and window's platform with Siebel IP20,IP15,8.1,7.8,OHS,TOMCAT,Oracle and Integrating Siebel with external applications Like SOA, OVD, BiPublisher and F5
  • Lead the Upgrading of Siebel 8.1.1.11 to IP2015, IP15 to IP20.8
  • Administrating Talend Remote Engine Server and TIC
  • Infrastructure Designing and Upgrading Informatica from 9.0.1 to 9.6 to 10
  • Infrastructure Designing and Upgrading BI Publisher from 10 G to 11G
  • Administrating OBIEE Server and integrating with Informatica/Siebel Servers
  • Building and Configuring various AWS Services like AWS Servers Lambda, EMR,S3,Elastic ,Service Catalog, and ELB
  • Building Disaster Recovery Environment for Siebel/Informatica/BI Publisher/Talend Servers and preparing Run Books to follow during Disasters
  • Installing and configuring Elastic Search
  • Analyze Performance and issues of various Application and Suggest Implement Solutions in Applications to increase the performance and to resolve issues
  • Creating various Architecture, Installation and Run Book Documents
  • Training Other team members about Siebel/Informatica / Talend building process and day to day activities

Key IT Achievements & Tools Developed:

  • Created workflows to Automatically Start, Stop apps and Apply Linux patches across Applications using Big fix. It saved 144 Manual Hour per year
  • Scripts involved were written in Linux Shell, Selenium, Python, Linux Shell , F5 and SQL
  • Automated Troubleshooting for Siebel Workflows and to apply Solutions based on Troubleshooting without manual Interruption. This helped to reduce downtime and time to resolve was minimized from 1 hour to 20 min
  • Automated Troubleshooting and applying Solution for Elastic Search
  • Automated Data Refresh Script (Shell Script/SQL) which is used to Convert all Production endpoints and Users in to QA/SIT and HFQA environment during Production Cut.This Script and Process Saved 320 Manual Hours Per year. It reduced the Manual work from 5 days to 8 hrs
  • Automated a Process called BPA which involves changing the feed files to Linux Learning format and calling Informatica workflow based on the availability of feed Files.Manual Hours Saved 144 per year
  • Linux Shell Script to Compare Siebel Environment component between Environments. This tool was developed to match a tool which was dropped by Siebel during IP17 Architectural Change. This will be used during new environment build which can save manual error and nearly 2 days work. This compare Script is also used to take snapshot of Siebel Production and use it For DR Recovery
  • Automated Siebel SRF migration using Shell Script and Bamboo. This Saved 200 Manual Hours per year
  • Automating Siebel Linux Server build with Required Linux rpms using Operation Orchestra
  • Designing, Installing, configuring Elastic Search /Logstash/Kibana to create reports from Logs
  • Developing Dashboards in Kibana
  • Designing, Installing, Configuring and Managing Hadoop Environment using Ambari with integration to Hive and Isilon Storage
  • Building Tableau Application Server
  • Moved Siebel from Physical Servers to Virtual Servers
  • Removed the Oracle CRS from Siebel with the help of Virtual Servers and Shell Scripts
  • Proposed SOA – Siebel Connectivity Change
  • Selenium Script to Auto login to Siebel SMC to resolve a bug which requires each time a webserver is restarted to have a Manual Login
  • Wrote Several Linux Script that helps in Day to Day Activities like Archiving, Scrapping Credit card information , Change Dates etc.

Application Administrator

Medtronics
Minneapolis
08.2010 - 03.2011

Key Responsibilities:

  • Managing SCRM application in UNIX and window's platform with Siebel 7.8.2 and configuring it in HPUX Apache web server
  • Applying various patches to Siebel environments based on the requirement
  • Building and managing Siebel Reports Server, OBIEE and integrating them with Siebel
  • Loading Lov, Updating DVM rule, Creating Organization and Divisions, Importing Business Service, Creating users , Assigning responsibilities , Setting RCR, Run Time events, Loading Personalization rules , Loading Business rules, Updating State model changes, Creating users and Running EIM jobs
  • Compiling and Migrating SRF
  • Importing Reports Files in to Siebel Reports Server
  • Integrating Siebel with Site minder, Sun one web server
  • Clearing production data from Environments whenever there is a data base copy from Production

Key Tools Developed:

  • An UNIX,PL/SQL,SQL shell script to do DB Refresh activities which reduced manual work from 4 hours to 1 hour.

Application upgrade and System Administrator

The Home Depot
Austin, TX
02.2010 - 08.2010

Key Responsibilities:

  • Building SF&I environment in UNIX platform with Siebel 8.1.1 and configuring it in HPUX Apache web server
  • Upgrading Siebel 7.5.3 environments to Siebel 8.1.1
  • Upgrading Development Repository from 7.5.3 to 8.1.1 and preparing documentation for the same
  • Doing Pre Upgrade tasks such as confirming workflows in Development are as in Production, removing custom build triggers, indexes
  • Running upgrade script for DB2 /ZOS DB
  • Running repository merge
  • Running seed data repository in Dec, Performance and QA environment
  • Creating and Managing Different Front end for different users like Call center, Store and Partners
  • Configuring MQ Queues to connect with external systems
  • Enabling Single sign on for the application
  • Configuring LDAP validation for OM
  • Encrypting Specified fields in tables and making siebel environment to be encrypted
  • Tuning Parameters for OM and various components for Performance and Memory utilization

Key Achievements & Tools Developed :

  • An UNIX shell script to take automatic backup of Siebel Repository everyday from DB and keeping it in UNIX file system
  • Script to create and configure custom builds OM, Workflows and MQ components
  • Monitoring file system and moving files to various machines file system
  • UNIX Shell script to Compare components from various environments and creates commands for server manger

Application System Administrator

AT&T
Bothell, WA
11.2005 - 12.2009

Key Responsibilities:

  • Building Siebel 7.7/7.8 , Web logic 9.2/10.1 environment in UNIX platform and upgrading them to higher versions
  • Collecting requirements for the environments from Application Architect and building DE, DSL, P2P Applications
  • Preparing resource requirement document and impact analysis document for the requirements collected
  • Building non-production and production eBPP environment with Web logic 8.1/9.2, informatica, web focus in UNIX platform with Sun one web servers
  • Deploying the code in non-production and production eBPP environment
  • Monitoring eBPP using Introscope for memory leak
  • Trouble shooting the application during testing and providing the root cause of issues
  • Monitoring the environments to be proactive and communicate all issues with customer and impacted teams

Key Achievements & Tools Developed :

  • UNIX Shell Script which makes use of Java to state the status of Web logic Environments and Servers
  • Daily morning it sends report about 10 web logic environments in 10 different UNIX Boxes, This tool saved 1 hr 50 minutes of manual work per day at an average
  • Unix Shell Script to deploy the Kit in DSL web logic environment With out manual intervention .This saved 1 hr manual work for each new kit
  • UNIX Shell Script to change EAI value for a particular test scenario which saved around 250 manual hours per year
  • Various UNIX Shell scripts to monitor the file system and alert if it size grows above the threshold value
  • UNIX Shell Script for setting up the alias automatically
  • Shell Script for Installation of kits in BIZCOMP which saved around 2hrs per installation
  • SQL Script to reset password for numerous users at a time in Oracle database
  • WLST Script (.py) to create the domain in Web logic
  • WLST Script to monitor Web Logic Servers for memory Size and Sessions


Application System Administrator

AT&T
, India
11.2003 - 11.2005

Key Responsibilities:

  • Building NBO, MDE environment under CORBA in UNIX platform based on the Design team's requirement
  • Building Kits for NBO, AXYS, MDE using Version Control tool
  • Building Tools and Reports for NBO using Netscape web server and Perl scripts
  • Configuring MQ Series between NBO and External vendors
  • Performing data check up and modification on Sybase database using scripts on request from testing team
  • Collecting Requirements from Testing team for on demand Jobs and running the same
  • Committing to process improvements based on repeated root cause issues
  • Monitoring the environments to be proactive and communicate all issues with customer and impacted teams
  • Managing the team of 9 as a Backup Project Leader
  • This role includes Assigning the work, getting the status, rotating them in Shift and Evaluating them for Performance
  • Doing Unit testing to the tools that were created

Key Achievements & Tools Developed:

  • Perl Script for Kit installation into NBO environments. This got Six Sigma approval. This script saved 2hrs of manual work per installation. There will be roughly 50 Kit installation each year
  • Unix Shell script to Bounce the Environment on different physical box by entering in to single server
  • Shell / Perl Script to Monitor the Critical File Systems
  • This will inform the changes that takes place in the important file systems to the team
  • Automated Shell Script for DNS change to take place in all the required places simultaneously. This saved around 5 hrs of work in each host we have to change the name. There were around 50 servers


Education

Cloud Master Certification Course in NJIT -

Master Of Computer Applications - undefined

B.Sc - Computer Science

Skills

    Siebel IP20/IP15/77/78/811/81111, BI Publisher, WebLogic , Informatica , OBIEE , Tableau, Talend, Jetty, SOA, Apache/OHS web server, Tomcat

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Certification

Oracle Cloud Infrastructure Certified Architect Associate (2021).

Training Attended

  • Ping Identity
  • Project Management
  • Hadoop Administration
  • Google Cloud

Timeline

Oracle Cloud Infrastructure Certified Architect Associate (2021).
02-2022
Microsoft Professional Program Certification in Data Science (2017).
12-2017
The open Group TOGAF 9 Certified. (2016)
08-2016

System Analyst IV

IEEE
04.2011 - Current

Application Administrator

Medtronics
08.2010 - 03.2011

Application upgrade and System Administrator

The Home Depot
02.2010 - 08.2010

Application System Administrator

AT&T
11.2005 - 12.2009

Application System Administrator

AT&T
11.2003 - 11.2005

Cloud Master Certification Course in NJIT -

Master Of Computer Applications - undefined

B.Sc - Computer Science

Muralidhar Kattur Arjunan