Summary
Overview
Work History
Education
Skills
Affiliations
AI/ML Learning & Projects (Professional Certification Program – Ongoing)
Certification
Hobbies and interests
Timeline
Generic

ROSHAN RAJ M.P

chennai

Summary

Experienced Platform and DevOps Tools Support Engineer with over 11 years of hands-on experience in providing operational support, onboarding applications, and troubleshooting enterprise-grade infrastructure services. Skilled at resolving complex technical challenges and enabling seamless integration with APIs, IAM systems, and Kubernetes-based platforms. Extensive experience working with Azure PaaS services and exposure to AWS at the L1 support level. Recognized as a dependable team player, with a strong focus on service excellence and cross-functional collaboration.

Currently enhancing my knowledge in Artificial Intelligence and Machine Learning through a professional certification course, driven by a strong passion for emerging technologies and their real-world applications.

Overview

11
11
years of professional experience
1
1
Certification

Work History

Senior Technology Services Engineer

WALMART Global Tech India
chennai
09.2020 - Current
  • API-Proxy Gateway Support & Onboarding
    Administered onboarding and operational support for API-Proxy, an internal tool facilitating secure external access to in-house application APIs. Implemented and validated security policies such as HMAC signature authentication, OAuth 2.0 token validation, and JWT token handling. Supported users by configuring whitelisting rules, routing definitions, and API endpoint access controls. Actively involved in production incident management, including log analysis, error tracing, hosting problem bridges, and participating in on-call rotations for 24/7 support.
  • Service Discovery using Service Registry
    Provided platform-level support for Service Registry, a YAML-based application registration and service discovery tool. Guided development teams in writing and validating correct registration manifests (YAML), resolving schema validation errors, addressing incorrect service metadata entries, and diagnosing issues in downstream integration with other discovery-dependent tools.
  • Identity and Access Management (IAM)
    Worked extensively with in-house IAM platforms to support user onboarding, role-based access control (RBAC), and policy-driven API access provisioning. Handled CRUD operations on access entities, resolved API authentication failures (e.g., token expiration, invalid scopes), and conducted root-cause analysis for issues involving IAM.
  • Single Sign-On (SSO) Support – OAuth2 & SAML
    Supported enterprise-grade SSO integration by helping applications onboard to an OAuth2/SAML-based authentication system. Responsibilities included client registration in Auth Server, setting redirect URIs, audience scopes, and configuring client secrets and claims. Assisted teams in resolving token generation issues, incorrect assertion mappings in SAML responses, and ensuring proper SSO login flow across internal and external platforms.
  • Istio Service Mesh Support (Kubernetes Networking)
    Provided support for Istio service mesh in Kubernetes clusters, assisting with onboarding, policy configuration, and resolving traffic routing and service communication issues.
  • Cloud Configuration Management (CCM) for Kubernetes:
    Supported a dynamic Cloud Configuration Management (CCM) tool that allowed live application configuration updates without requiring pod restarts. Assisted in creating hierarchical configuration structures, managing versioned configurations, and implementing rollback strategies. Participated in configuration migration initiatives and version upgrades.
  • CI/CD & Deployment Automation using Concord:
    Collaborated with development and operations teams to troubleshoot pipeline failures, optimize build processes, and enhance deployment reliability.
    Monitored and supported Concord pipeline executions.
  • Dependency Management (Moderne + BOM Recipes):
    Spearheaded onboarding and support for dependency lifecycle management using Moderne and BOM (Bill of Materials) recipes. Helped application teams manage transitive dependencies, identify and remediate outdated or vulnerable libraries, and automate version upgrades using Moderne transformation scripts and GitHub PR automation tools.
    Handled deployment exception requests by reviewing dependency justifications and providing approvals or guidance for remediation.
  • Project Management & Operational Excellence:
    Actively contributed to project and team management, creating real-time dashboards in tools like Power BI and Jira, generating weekly/monthly status reports, and tracking KPIs such as onboarding metrics, incident resolution SLAs, and change success rates. Coordinated change management meetings, tracked JIRA tickets, and maintained detailed documentation for knowledge sharing and audit readiness.
  • Service now Exposure:
    Built and maintained ServiceNow catalog items and workflows for deployment exception approvals

Cloud Admin

Cognizant Technology Solutions
chennai
05.2016 - 09.2020
  • Managed and supported Azure PaaS services, including Web Apps, SQL DB, Data Factory, Traffic Manager and VMs
  • Configured and modified near-time alerts for Web Apps and SQL DBs
  • Created and updated Function Apps
  • Performed SQL DB restorations, and managed geo-replication and snapshots
  • Configured custom domains, SSL bindings, and app registrations for Azure Web Apps
  • Managed backup configurations and troubleshooting for Azure Web Apps and VMs
  • Monitored and troubleshooted performance (response time, CPU, memory, HTTP errors) for Azure Web Apps
  • Managed traffic redirection using Traffic Manager for improved availability
  • Implemented IP restrictions via web.config for enhanced security

Production Support Engineer

Vodafone Global Services Private Limited
06.2015 - 05.2016
  • Worked on jenkins for application job monitoring
  • Performing sanity checks for Client applications on daily basis
  • Application job monitoring through Control M and jenkins monitoring tool
  • Incident management responsibilities for application, DB, and Server issues
  • Worked with BMC workload manager for jobs creation
  • Participated in application migration to Control M
  • Working with Oracle DB and SQL servers for application related tasks
  • Working with Application Disaster Recovery Plan
  • Participated in daily weekly and bi-monthly status meetings with Client
  • Preparing reports and communicating to the client and internal management team
  • Worked with T24 application, a Temenos product
  • Performing Jboss restart to ensure T24 application connectivity

IT Support Engineer

Mindtree Ltd
03.2014 - 06.2015
  • Providing Level 1 support for Desktop and Laptop Issues and Helpdesk IT Support to Mindtree Employees globally in 24/7 Environment
  • Responsible for diagnosing & resolving software & end user’s problems
  • Printer Outlook configuration and trouble shooting
  • Software installation and Antivirus installation
  • Account Creation, Renewal, and Password Unlock and reset using AD Tool
  • Responsible for scheduled change and unscheduled Outage communication
  • Raising high priority tickets for unscheduled incidents & Outages
  • Validating outage request and coordinating with stake owners for Outage approval
  • Responsible for opening bridge calls to investigate high priority incidents with stake owners and resolving team

Education

Bachelor of Engineering - Electronics and Communication

John Bosco Engineering College
Tiruvallur
03-2013

Higher Secondary - Computer Science

ICF silver Jubilee Matric higher secondary school
Chennai

SSLC (CBSE) -

Bharatiya Vidya Bhavan
Thirunavaya, Kerala

Skills

  • IAM configuration
  • SSO integration
  • API management
  • Service mesh support
  • Cloud Configuration Manager
  • CI/CD automation
  • Dependency management
  • Service registry management
  • Production support
  • Kubernetes administration
  • Data analysis
  • Technical documentation
  • Analytical problem solving
  • Cloud computing
  • Machine learning

Affiliations

  • Containerization and orchestration - Kubernetes, service mesh (Istio)
  • API management and access control - API proxy, IAM (Identity and Access Management), SSO (Single Sign-On), Postman
  • CI/CD and automation - Jenkins, Control M, Concord, Chef, Eyeshare
  • Monitoring, logging and observability - Splunk, Kibana, Power BI
  • Database and SQL tools - DBeaver, PGadmin 4
  • IT service management (ITSM) - ServiceNow, Jira, Remedy
  • ML tools: scikit-learn, TensorFlow, Keras, Pandas, NumPy, Matplotlib, Seaborn

AI/ML Learning & Projects (Professional Certification Program – Ongoing)

  • One-year AI/ML Certification Program – [Great Lakes]

Course Topics Covered :

  • Exploratory Data Analysis
  • Supervised Learning: Linear Regression, Decision Trees
  • Unsupervised Learning: K-Means Clustering Deep Learning: Neural Networks (ANN, CNN basics)
  • Natural Language Processing: Retrieval-Augmented Generation (RAG) based models Model Evaluation, Feature Engineering, Hyperparameter Tuning
  • Computer Vision.

Projects Completed

  • Food Hub data analysis project for Python and data analysis (EDA exposure)
  • Personal loan campaign, easy visa classification projects with decision trees, bagging, and boosting – implemented and visualized tree-based classifiers with model explainability
  • Airbnb project using linear regression – built a regression model using Scikit-learn, performed feature selection, and tuned the model for performance;
  • ReneWind project – built a basic neural network using TensorFlow;
  • RAG-based QA bot – created a proof-of-concept NLP model for a medical journal, combining vector databases and pre-trained models to answer domain-specific queries

Certification

· Ongoing Post Graduate Program in Artificial Intelligence and Machine Learning in Great Lakes.

· Amazon web services course and completed Certification on AWS solution architect Level.

· Google cloud professional cloud architect certification.

Hobbies and interests

  • Photography, Travelling, Music and movies.

Timeline

Senior Technology Services Engineer

WALMART Global Tech India
09.2020 - Current

Cloud Admin

Cognizant Technology Solutions
05.2016 - 09.2020

Production Support Engineer

Vodafone Global Services Private Limited
06.2015 - 05.2016

IT Support Engineer

Mindtree Ltd
03.2014 - 06.2015

Bachelor of Engineering - Electronics and Communication

John Bosco Engineering College

Higher Secondary - Computer Science

ICF silver Jubilee Matric higher secondary school

SSLC (CBSE) -

Bharatiya Vidya Bhavan
ROSHAN RAJ M.P