NIRMALKUMAR RAJENDRAN
Sydney,Australia
Summary
Seasoned Senior Technical Analyst with a proven track record at TransUnion LLP, specializing in AWS Cloud Infrastructure and DevOps. Demonstrated leadership in optimizing large-scale data workflows and enhancing operational support. Skilled in AWS EMR and team mentoring, significantly improving data processing efficiency and operational excellence.
Overview
8
8
years of professional experience
Work History
Senior Technical Analyst, Application and Operational Support
TransUnion LLP
Chennai, TamilNadu
06.2018 - 07.2024
- Delivered a professional second and third level technical support for Enterprise Application Management customers with various technologies Including Abi-Initio and AWS Cloud
- Built/Developed/Deployed applications on AWS cloud platform and continued the support with CICD pipeline method of releasing patches/updates on a regular basis
- Proven experience in designing and optimizing distributed data processing workflows using Apache Spark on AWS EMR to handle large-scale data workloads.
- Profound knowledge on Release Management and Deploy/Patching support using the DevOps tools such as Jenkins, Build Forge, Rundeck and Ansible Tower
- Extensive hands-on experience with key AWS services including S3 for storage, Glue for ETL processes, and Lake Formation for data lake management and governance.
- Proficient in Hadoop Distributed File System (HDFS), Hive, and implementing efficient data migration strategies for large-scale data transfers and integrations across platforms.
- In-depth understanding of data processing techniques, including performance tuning and optimization of queries, workflows, and storage for faster, cost-effective results.
- Specialized in data migration strategies, ensuring seamless and efficient transfer of large datasets between on-premises, cloud, and hybrid environments while maintaining data integrity and performance.
- Supported Credit Fulfillment operations for our top customers such as Barclays, Goldman Sachs, Capital one, Synchrony GE, Bank of America, CitiBank and Discover etc
- Supported Healthcare and Beta operations by creating and Enterprise Splunk Dashboards and Alerts using various metrics
- Identifying and Logging the RCA, Problem/Defect Solutions, Knowledge Base Articles
- Well-versed in containerization with Kubernetes, Docker, and Linux for performance tuning
- Expertise on GitHub and Bitbucket
Senior Software Engineer
Capgemini India Pvt Ltd
Mahindra World City, TamilNadu
08.2016 - 06.2018
- Acquired handful experience of using Splunk and monitoring customer transactions and traffic
- Handled the deployment, monitoring, maintenance, development, upgrade and support of all IT systems
- Worked on Unix/Linux systems and servers along with autosys platform to monitor and schedule autosys jobs to perform the customer fulfillments
- Monitored and Prioritized Autosys jobs and events and having successful rate of not breaching the SLA/SLE
- Created/Supported file transfer applications for customer/user Interface and expertise on file transfer tool FileZilla
- Expertise on SQL/Database queries to fetch analytical report through various tools such as Oracle SQL Developer, Squirrel DB
- Actively performed Data center swings whenever required and scheduled manner
- Privileged to work user Creation/Deletion/Modification directly on the production database
- Implemented the Master Data Update provided from the bank customers using the Microsoft SQL management studio
- A monthly highlight report, fault report, Scorecard is made for the management and other reports are Generated as and when required
Education
Bachelor of Engineering - Electronics and Communication Engineering
Anna University
Chennai04.2016
HSCC -
Dhanalakshmi Srinivasan Higher Secondary School
Perambalur03.2012
Skills
- Amazon Web Services
- CICD Integration
- AWS EMR
- Hadoop Clusters
- AWS Glue
- Team mentoring
- Leadership and management
- Unix
- Linux
- Autosys
- Shell scripting
- Enterprise Splunk
- Metrics Monitoring
- Critical Alerting
- Incident Management
- BMC Remedy
- Service Now
- Ab-Initio
- AWS Cloud Infrastructure
- DevOps
- Jenkins
- Build Forge
- Rundeck
- Ansible Tower
- Oracle 11g
- Oracle SQL Developer
- Oracle SQL Server Management Studio
- IT Infrastructure
- Operational Support
- Release Management
- Deployment Skills
- Effective Presentation
- ISQL
- Squirrel SQL
- Zenoss
- Truesight
- Putty
- Splunk Enterprise
- FileZilla
- CA APM
- Web Service
- AWS Services
Professional Achievements
• Well Recognized on leading the team to achieve great performance and deliver excellent result workforce.
• Splunk User Level Certified with Effective knowledge on Splunk Enterprise Dashboards for metrics monitoring and alerting.
• Worked as the Head of the Employee Engagement Workgroup in my Organization.
• Effective Presenter on Professional Meetings in our Organization.
Timeline
Senior Technical Analyst, Application and Operational Support
TransUnion LLP
06.2018 - 07.2024
Senior Software Engineer
Capgemini India Pvt Ltd
08.2016 - 06.2018
Bachelor of Engineering - Electronics and Communication Engineering
Anna University
HSCC -
Dhanalakshmi Srinivasan Higher Secondary School
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