Chockalingam M
Bangalore
Overview
21
21
years of professional experience
1
1
Certification
Work History
Technical Architect / Site Reliability Engineer
Infosys. Ltd
04.2019 - Current
Technical Manager (EPM) / Site Reliability Engineer
Infosys. Ltd
09.2016 - 04.2019
Technical Lead
Infosys. Ltd
11.2012 - 08.2016
Technical Lead Consultant
ITC InfoTech India Pvt. Ltd
08.2010 - 10.2012
Senior Software Engineer
ATOS Origin India Pvt. Ltd
01.2006 - 07.2010
Software Engineer
IRIS- Interactive- ACRIS Technology
11.2004 - 12.2005
Education
Master's Degree - Computer Applications
MKU: Raja College of Engineering & Technology
Skills
- Infrastructure and DevOps expertise
- DBMS: Oracle DB, Mongo DB
- Automation & DevOps: GitHub, Helm, CI/CD, Process Automation, Airtable
- Programming & Scripting: Bash, Knowledge on Python
- Java/J2EE Technologies: Java/J2EE, Servlets, JSP (EL, JSTL, Custom Tags), JSF, Apache Struts, Junit, Hibernate 3x, WebLogic, JDBC, SAML 20 Integration, JNDI, Knowledge on Spring Boot apps
- Web Technologies: XML, CSS, Java Script, HTML, AJAX, Jquery, Angular JS, Moment JS, Web services (SOAP, WSDL, Axis) Apache POI, iText
- Cloud: Client Private Cloud (IAAS, cloud computing) and their services Knowledge on AWS services (VPC, EC2, IAM, S3, CloudFront, Elastic Load Balancer, Cloud Watch, RDS, Lambda)
- Application Servers: Oracle WebLogic Server, Tomcat Server, Oracle SOA suite 1031, IBM WebSphere
- Monitoring & Observability: Proficient with tools like Mosaic, Prometheus, Grafana, Splunk
- Having exposure on Informatica 9 Integration with ETL- (SFDC) Salesforcecom and Oracle
Certification
- CKA - Certified Kubernetes Administrator
- Oracle WebCenter Portal 11g Certified Implementation Specialist.
- Completed Sun Certified Java Programmer 1.5 certification.
Timeline
Technical Architect / Site Reliability Engineer
Infosys. Ltd
04.2019 - Current
Technical Manager (EPM) / Site Reliability Engineer
Infosys. Ltd
09.2016 - 04.2019
Technical Lead
Infosys. Ltd
11.2012 - 08.2016
Technical Lead Consultant
ITC InfoTech India Pvt. Ltd
08.2010 - 10.2012
Senior Software Engineer
ATOS Origin India Pvt. Ltd
01.2006 - 07.2010
Software Engineer
IRIS- Interactive- ACRIS Technology
11.2004 - 12.2005
Master's Degree - Computer Applications
MKU: Raja College of Engineering & Technology
PROJECTS
Infosys LTD | Technical Architect | SRE | Technical EPM Dec 2017 – Present, Project: EBIZ B2B Web Portals| B2B Custom Integration | IT Infrastructure Management, Technical EPM Manager: Led a team of deployment and service assurance engineers, overseeing Client Private Cloud, Public Cloud (AWS few services) and on-prem infrastructure for 300+ developers., Collaborated with DEV ENGG teams, engineering managers for strategic planning and execution of initiatives., Mentored and guided the team on emerging technologies and new feature integration., Prioritized and mitigated issues reported by development teams, ensuring swift resolution., Managed Client Specific Cloud environment, AWS and on-premises deployments, ensuring seamless infrastructure operations., Worked on migrating the B2B Portal Applications from on-premises to client specific cloud as well as AWS cloud., Worked on migrating the Applications from WebLogic to Tomcat., Infrastructure setup for Application migration from JDK8 to JDK11, JDK 15 and client specific latest JDK Versions., Worked on setting up Disaster Recovery environment for Client’s end for Tomcat/WebLogic platform., Worked on setup of Oracle LDAP servers for centralizing the access mechanism providing centralized access control., Application code deployment D2U and D2P using Jenkins., Suggested and implemented index partition approach for DB operations performing and reducing manual intervention for DB maintenance., Having good knowledge on generating and installing SSL Certificate., Having experience in handling infrastructure in on-prem and cloud., Ensure environment stability and reliability., Supported developers by reproducing and debugging service-level issues, facilitating efficient troubleshooting., Coordinated scheduled upgrades of cloud-based services and bespoke deployments based on development team needs., Optimized cloud infrastructure, implementing cost-reduction strategies and enhancing operational efficiency., Engaged stakeholders through impactful demos and presentations, aligning project objectives with business goals., CI/CD Setup: Setup Jenkins and JFrog for handling automated code release., Automate the regular weekend maintenance activities., Certificate Change: Generating the new certificate using OpenSSL and Key tool. Interacted with all partners for upgrading the new certificate. Installing the new certificate on servers for setting up HTTPS port., Create/Update Certs Metrics and Dashboard Via Grafana/Mosaic Dashboard., Worked on Grafana dashboards creation/modification with simple health checks for ports up and running, CPU, Memory utilization, Load Average, Volume Usage, Network Traffic, Filesystem path details., Datacenter migration:, Analyzed the impact for the moving Applications components., Coordinated with business for minimum impact to business processes., Developed and executed steps to replace IP addresses with DNS names to minimize impact., Suggested network level changes to avoid dns-ip caching to avoid issues., Infosys LTD | Technical Engineering Program Manager (EPM): Aug 2016 – Nov 2017, Project: nGDV – Global Demand Visibility, Technical Engineering Program Manager (EPM): Spearheaded end-to-end delivery of Evolution, Prepared Technical Specification, Requirement Document, design/deployment document, Deployment Architecture diagrams using Omni Graffle, and updating Status report via Omni Plan report., Interact with ACL’s Operations team, IdMS Operations team for the requirements on nGDV Project, SME: Served as the primary point of contact for customer issues, conducting initial investigations and performing root cause analysis, Triage the IT, iQA, UAT radars, and addressing the escalations raised by iQA Team, Biz team and have regular updates to Client managers on daily based on each track of Microservices apps., Integrator: Collaborated with the development team to resolve issues, test fixes, and approve bug closures., Engineered middleware and applications, defined CI/CD strategies, and enhanced bug detection and investigation efficiency and act as a bridge between the technology teams and business units., Project: Retail & Non-Retail Business – Integrate SAML 2.0, The goal of this project is to Integrate SAML 2.0 with different business team of their external/Internal Application. Apple provides Single Sign On functionality between Apple and external systems such as Mobile Carriers (Such as T-Mobile, AT&T, Sprint and so on) for Retail business team and others (non-retail business team) Security Assertion Markup Language (SAML 2.0) standard will be used., At Apple, SAML is an XML-based, open-standard data format for exchanging authentication and authorisation data between parties between an identity provider and a service provider., Technical EPM: Interact with the Business team to analyse the requirements for integrating SAML 2.0 to their external application and come up with the implementation Plan for releases., Based on the business requirement includes customisation, Interact with DS, DAW development, Engineering team to include the customisation as pluggable configurable parameters, code Deployment, testing and provide the configuration details to IdMS Operation (UAT), APS-IdMS support (Production) team., Project: Localization Project –(Apple Id, Apple Auth, DAW, iForgot), The Apple ID is your account for everything @ clients’ account i.e. single Apple ID and password give you access to all client’s services. Clients Supported: - Web & Mobile (https://appleid.apple.com). Devices (iOS & OS X) under iCloud Settings. Deployment, testing, and production support for Apple Id application (UAT, APS-IdMS support (Production) team., The goal is to spend time triaging on each radar (Bug tracking tool) listed in the radar under different Apple Id projects to reproduce the problem as per the instructions in the radar and subsequently update the comments column in the Radar with findings. Reduced localisation defect backlog by over 50% in 3 sprints., Interact and work extensively with various localisation team members, technical development, QA Team., Effectively triaged UI defects and coordinated with EPM, localisation and development teams to prioritise and fix frontend issues related to the Identity Management System’s Apple ID application (Apple Id, Apple Auth, DAW, iForgot) in monthly agile sprints. Planned and executed the cleanup of Apple ID notification emails, to localize email footer links and update content for supported languages via Rover Templates., Infosys LTD | Technical Manager | Technical Lead: May 2015 – Aug 2016, Project: Partner Connect, Partner Connect is the tool for onboarding and exchanging B2B transactions with the client team. This provides a self-service mechanism for Apple partners to get onboarded to do business electronically with client teams., Full-stack development with JAVA/J2EE/Spring/Oracle Web Centre Portal-based, WebLogic, Oracle/Mongo DB tech stack and manage end-to-end Management and Coordination of all phases (Requirements to release to production).
CAREER HIGHLIGHTS
- Program Management: Successfully led the end-to-end program management for the client’s specific accounts IST (IdMS, E-BIZ Portal, CORP) Projects portfolio initiative, ensuring timely and high-quality delivery through cross-functional teams across India, Singapore, Canada, the US, and China.
- SRE Strategy, Management & Leadership: Develop and implement a comprehensive SRE strategy aligned with the Client’s goals and objectives. Resolved critical issues in the Apple EBIZ portfolio in Development/Infrastructure project, stabilizing the system within the given frame of time and earning recognition from both the company and customers.
- Collaboration & Coordination: Act as a bridge between development, Operations, QA and Business teams. Facilitate communication of release plans, changes, and issues, as well as support for 80+ Portal Java/J2EE applications. Ensure all stakeholders are informed and aligned in all major release activities.
- Quality Assurance: Ensure all releases meet quality standards before deployment, coordinate testing efforts and validate release readiness for the CR review meeting.
- Cost Optimization: Spearheaded from Oracle WebCenter to JAVA/J2EE-based Portal Apps and moving out from WebLogic to Open-Source Tomcat server, achieving huge savings as well as On-prem apps migration to client-specific ISC Cloud through hybrid cloud deployment mechanisms and infrastructure automation.
- Release Planning & Scheduling: Owns, builds, releases, and continuous integration processes for large and complex releases of a product, sometimes expanding the scope across multiple concurrent releases. Defines the release calendar and overseas of the release lifecycle. Coordinate the release schedules across multiple teams and projects.
- Driving Innovation Culture: Established a structured problem-solving framework, fostering a SRE team culture focused on continuous innovation and impactful solutions. Architect and lead end-to-end observability strategies (logs, metrics, traces) across on-premises, private, and public cloud environments.
- Automation and Tooling: Promote and implement CI/CD Pipelines. Use DevOps tools (Experience in building CI/CD automated pipelines using GitHub Actions/Jenkins/GitLab or equivalent platform, Docker, JFrog, Artifactory, Secrets Management, Kubernetes, Helm). Understanding of Shell scripting along with knowledge of Autosys.
- Incident Management & Response: Lead incident response coordination during major outages and drive post-incident analysis and systemic fixes. Establish and improve incident management processes and on-call rotations.
CORE COMPETENCIES
Cross-functional Team Management | Delivery Excellence | Process Optimisation | Waterfall | Agile Methodologies: Backlog Grooming, Epic Creation, Story Creation and Sizing, Documentation, and Brainstorming, Jira, | Stakeholder Engagement Technical Designs | Risk Management | Program Management | Technology & Process Automation | Incident Resolutions | Client Specific Cloud Computing | DevOps | SRE | Observability | Open Telemetry |
OVERSEAS EXPERIENCE
- Customers: Apple (USA, India, Singapore, China), Bank of America (USA), iMortgage Solutions (POC for Australian Bank Client), ITC Infotech PVT LTD (Motorola Solutions, Honeywell), ATOS Origin, The Good Guys (Australia), FCI (Paris)
- Countries: USA, Australia
- H1B – US VISA (Out Of CAP)