Summary
Overview
Work History
Education
Skills
Skills
Certification
Timeline
Generic

Kumar Sakthivel

Sydney,NSW

Summary

Results-driven IT professional with 13 years of extensive experience as an Environment Manager at TPG Telecom Limited, with strong skills in incident management and risk mitigation. Track record of optimizing application performance and successfully leading technical support teams. Skilled in ETL development and project coordination, enhancing operational efficiency and user satisfaction. Seeking a challenging role where I can leverage my technical expertise and leadership skills to drive innovative solutions and deliver exceptional results.

Overview

14
14
years of professional experience
1
1
Certification

Work History

Environment Manager

TPG Telecom Limited
Sydney, NSW
10.2022 - Current
  • Lead and manage the environment support team.
  • Defect and incident management.
  • Provided technical support for applications and systems across TPG Telecom operations.
  • Manage the environment booking for various projects.
  • Risk identification and mitigation strategies.
  • Accountable for day-to-day operations of resourcing, scheduling, prioritization, and task coordination, and meeting project milestones, objectives, and deliverables within agreed time frames and budgets.
  • Adhere to client standards and processes.
  • Diagnosed and resolved application issues to minimize downtime for users.
  • Assisted in the integration of new applications into existing systems seamlessly.
  • Analyzed and monitored system performance metrics such as CPU utilization, memory usage and disk space.
  • Resolved escalated tickets related to application support within agreed upon SLAs.
  • Performed troubleshooting and resolution for company-wide technical issues.
  • Performed root cause analysis for complex production incidents and implemented preventive measures accordingly.
  • Updated and maintained knowledge base information for documentation and future reference.
  • Created detailed documentation for new or existing applications in order to facilitate user understanding and adoption.
  • Developed environmental policies to align with company sustainability goals.
  • Planned and coordinated environmental audits to ensure regulatory requirements were met.

Application Support Engineer

TPG Telecom Limited
Chennai, INDIA
10.2020 - 09.2022
  • Tallyman is a billing component which primarily handles revenue management and collection activities of AU postpaid customers. It includes credit to consumers, including the financial sector, utilities, retailers, communications businesses, and government.
  • Performance improvement via automation scripts.
  • Coordinating with upstream and downstream systems, analyzing, and recommending changes at the script level accordingly.
  • Impact analysis of high-priority incidents and applying data fixes.
  • Addressing business queries with respect to customer billing and payments.
  • Daily Status meetings and ensure all the requests SLA is in-limit.
  • Periodical capacity report monitoring and purging activities.
  • Solely responsible for DR activity twice a year.

Database Administrator

TPG Telecom Limited
Sydney, NSW
02.2018 - 09.2020
  • Administered database systems to ensure data integrity and availability.
  • Golden Gate setup and maintenance between two Oracle databases.
  • Monitored database performance and optimized queries for efficiency.
  • Managed user access controls and permissions for data security.
  • Configured user accounts, privileges, roles, profiles. in the database server.
  • Resolved customer queries related to database issues promptly and accurately.
  • Developed scripts for automating routine maintenance tasks such as index rebuilds and statistics updates.

ETL Developer

Vodafone Hutchison Australia Pty Ltd
Chennai, INDIA
06.2014 - 01.2018
  • Developed ETL processes to extract, transform, and load data efficiently.
  • Developed a job for data migration from Fusion 11g to 12c.
  • Developed an ETL job for data reconciliation between the Fusion, Siebel, and BRM systems.
  • Developed an ETL job to apply a discount for a Vodafone customer to the subscription of secondary devices.
  • Developed an ETL job for purging credit card information from the Vault database if the credit card is not linked to any active VHA accounts.
  • Developed consumer jobs to deliver daily and monthly financial reports.
  • Developed DataStage jobs for data archival.

Developer

Vodafone Hutchison Australia Pty Ltd
Chennai, INDIA
02.2014 - 05.2014
  • Developed and tested end-to-end various streams, such as SMSC Stream, MMSC Stream, PGW, SGW Common Processing, and TID to BRM Change stream in mediation using the Mediation Comptel Event Link tool.

Developer

Companhia de Telecomunicacoes de Macau
Chennai, INDIA
04.2013 - 03.2014
  • Developed code for migrating mediation CDR processing streams, like MSC 2G, MSC 3G, SMSC, MMSC, SGSN, GGSN, ISC, TELEX, and Content stream from ComptelEventLink to MediationZone.
  • Prepared the test case and test execution document for all the streams in the solution environment.

Support Engineer

Vodafone Hutchison Australia Pty Ltd
Chennai, INDIA
12.2011 - 02.2014
  • Understanding the systems and the existing functionality, understanding the system requirements of the various departments, and providing an end-to-end system solution for the billing application and DWH.
  • Analyzing and troubleshooting live problems and production issues as they occur.

Education

Bachelor of Engineering - Computer Science

National Engineering College
KOVILPATTI, TAMILNADU, INDIA
04-2011

Skills

  • Incident management
  • Application support
  • Risk mitigation
  • Project coordination
  • Technical troubleshooting
  • Problem solving
  • Environmental risk assessment
  • ETL development
  • Application troubleshooting
  • Performance analysis
  • Performance optimization
  • Database administration
  • Automation, Unix, shell scripting
  • Technical experience in Golden Gate setup

Skills

  • Languages and scripts: Linux shell script, SQL, PL/SQL
  • Web technologies: XML, HTML, REST, SOAP
  • Servers: Apache Tomcat, WebLogic
  • Development Methodologies : Waterfall
  • Tools: JIRA, Confluence, Remedy, BMC Helix ITSM, Quality Center, Tallyman, Pronto, Comptel Event Link, Mediation Zone, Power Curve, Atomic, MFT, Data Stage

Certification

  • Oracle Database SQL expert
  • Unix shell scripting

Timeline

Environment Manager

TPG Telecom Limited
10.2022 - Current

Application Support Engineer

TPG Telecom Limited
10.2020 - 09.2022

Database Administrator

TPG Telecom Limited
02.2018 - 09.2020

ETL Developer

Vodafone Hutchison Australia Pty Ltd
06.2014 - 01.2018

Developer

Vodafone Hutchison Australia Pty Ltd
02.2014 - 05.2014

Developer

Companhia de Telecomunicacoes de Macau
04.2013 - 03.2014

Support Engineer

Vodafone Hutchison Australia Pty Ltd
12.2011 - 02.2014

Bachelor of Engineering - Computer Science

National Engineering College

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