SUMANTHU SUNDARESAN
Chennai
Summary
Results-driven Lead Application Engineer with over 13.5 years of experience in optimizing the performance, reliability, and scalability of complex applications. Adept at bridging the gap between development and operations, leading cross-functional teams, and driving innovative solutions to enhance service delivery and operational efficiency. Passionate about problem-solving, and continuous improvement. Hardworking professional experienced in field and ready for challenging assignments. Reliable in completing quality work and exceeding expectations.
Overview
13
13
years of professional experience
1
1
Certification
Work History
Lead Application Engineer
PagoNxt Merchant Solutions India Pvt Ltd
Chennai
2020.04 - Current
- Lead a team of SREs to ensure high availability and reliability of critical applications
- Design and implement robust monitoring, logging, and alerting solutions using ELK stack and Datadog
- Collaborate with development and operations teams to streamline CI/CD pipelines using Jenkins and GitLab CI
- Drive automation initiatives, reducing manual interventions and improving operational efficiency
- Worked closely with developers to optimize application performance and troubleshoot issues
- Utilize Terraform and Ansible for infrastructure as code, managing cloud resources and configuration management
- Conduct root cause analysis and post-mortem reviews to prevent future incidents and improve system resilience
- Reduced incident response times by 40% through proactive monitoring and automated alerting systems.
Team Lead
Virtusa Consulting Services Pvt Ltd
Chennai
2018.05 - 2020.03
- Drives daily production activities with effective communication and leadership
- Creates incident related performance analysis and reporting for review by IT management
- Scheduling a job using Autosys, Jill Validation and modification, Show Notes deployment as per the requirement
- Triggering a daily Batches in mainframe Z/OS
- Performing Promotion and Demotion activity as per the requirement
- Performing Table creation and modification in SQL Database
- Ensure that the incident management process is followed and that incident and problem records accurately reflect actions taken to restore service and that changes to Configuration Items are recorded
- Minimize disruption to our business by efficiently identifying incident causes and determining the right course of actions leading to incident closure
- Having weekly status call with the global clients
- Take the lead role in service restoration, communication and root cause identification
- Define key performance indicators and report appropriate incident metrics.
Senior Engineer
Plintron Global Technology Solutions Pvt Ltd
Chennai
2011.01 - 2018.04
- Implementing windows applications, IOT Application and web services in Production Environment for 20+ countries
- Migrating .NET applications from IIS 6.0 to 7.5
- Code analyzing and troubleshooting of .Net application
- Continuous Deployment using Ansible tool
- Executing database scripts and stored procedures in production
- Analyzing the stored procedures and functions for the entire application in case of any technical discrepancies during development
- Involving in database creation, indexing, views, SQL job creation and management in production environment
- Building complex queries using SQL and writing stored procedures
- Preparing test environment for pre-production testing
- Performing scope testing
- Integration and testing applications with third party APIs
- Handling new business requirement to serve configuration related changes in Billing & Front-End interface
- Managing the team to complete the task within the given SLA
- Handling server switchovers during windows patches or hardware upgrades
- Performing Root Cause analysis and submitted Known errors
- Proactive approach for clearance of alarm/issues with RCA updating and closures
- The clean-up process in servers on time basis
- Ensure activity completion within maintenance window with minimum downtime
- Proper escalation during the activity and get fall back done if required
- Work on daily incident requests and escalate to next level teams if there are any bugs identified
- Coordinated with internal departments for timely solutions on critical incidents
- Monitoring the infra related things using Ops Manager, SNMPC and N2000
- Network performance monitoring using Solar Winds.
Education
BE-ECE -
Jaya Engineering College
01.2010
HSC - Computer Science -
Ebenezer Matric Hr. Sec School
01.2006
SSLC -
Bapuji Matric Hr. Sec School
01.2004
Skills
- DevOps
- Jenkins
- Gitlab
- Terraform
- Docker
- Kubernetes
- Ansible
- Puppet
- Autosys
- Control M
- Kibana
- Datadog
- SOAP
- Power BI
- Incident Management
Certification
- ITIL V3 Foundation, 93, EXIN
- UNIX, Besant Technologies
- Azure DevOps, Intellipaat
Native
Kerala
Projectsachievements
- Payment Gateway Integration, This project is related to integration of secondary payment gateway for all the Lycamobile operating countries (20+ countries). I had played a key role in coordinating with the vendor, Projects team and Development team. I have done end to end support for this project till it was live. I have also received appreciation from my management for completing the project with in short duration.
- ICG MHS, ICG MHS was a project which was acquired by Virtusa from HCL. I was one of the Transition Lead where I have to get the knowledge transfer from HCL and deliver it to Virtusa. We have successfully completed this transition in a short duration. I have received 2 awards from the client for best performance and service improvement plan which was suggested by me.
Personal Information
- Father's Name: N.Sundaresan
- Date of Birth: 11/14/1988
- Gender: Male
- Nationality: Indian
- Marital Status: Married
Languages
- English: Fluent
- Hindi: Beginner
- Malayalam: Intermediate
- Tamil: Intermediate
Timeline
Lead Application Engineer
PagoNxt Merchant Solutions India Pvt Ltd
2020.04 - Current
Team Lead
Virtusa Consulting Services Pvt Ltd
2018.05 - 2020.03
Senior Engineer
Plintron Global Technology Solutions Pvt Ltd
2011.01 - 2018.04
BE-ECE -
Jaya Engineering College
HSC - Computer Science -
Ebenezer Matric Hr. Sec School
SSLC -
Bapuji Matric Hr. Sec School
- ITIL V3 Foundation, 93, EXIN
- UNIX, Besant Technologies
- Azure DevOps, Intellipaat
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