Philomena Arokiamary
Senior Associate - DevOps Cloud Infrastructure
Bangalore
Summary
Senior DevOps Engineer with 15+ years of experience in designing, implementing, and managing scalable, secure, and automated infrastructure across cloud and on-premise environments. Proven expertise in multi-cloud architecture (AWS & GCP), CI/CD pipeline automation, and cloud governance.
Strong track record in building end-to-end DevOps solutions, enabling faster releases, improving system reliability, and optimizing costs. Experienced in working with global enterprises across domains including automotive, hospitality, banking, and retail.
- Multi-Cloud Expertise: Architected AWS and GCP platforms for large-scale modernization initiatives, defining cloud landing zones, network architecture, IAM governance, and multi-account operating models.
- CI/CD Leadership: Designed and implemented fully automated CI/CD pipelines using Jenkins, GitLab, and AWS CodePipeline.
- Cloud Architecture: Built scalable, secure architectures using AWS services like EC2, EKS, S3, RDS, Lambda, and SageMaker.
- Data Engineering & Analytics: Developed event-driven ETL pipelines and data lakes; enabled analytics using QuickSight and BigQuery.
- Containerization & Orchestration: Extensive experience with Docker, Kubernetes (EKS).
- Infrastructure as Code: Terraform(cloud-wide automation, standardization, consistency enforcement)
- Security & Governance: Implemented IAM policies, encryption (KMS/CMEK), audit logging, and compliance frameworks.
- Monitoring & Cost Optimization: Established monitoring, alerting, and cost control strategies across cloud environments.
- Atlassian Tools Expertise: Deep experience in Jira, Confluence, Bitbucket administration, integration, and migration.
Overview
17
17
years of professional experience
2
2
Certifications
Work History
Sr Devops Engineer
Publicis Sapient
05.2018 - Current
- Designed and implemented site-to-site VPN tunneling between Google Cloud Platform and Amazon Web Services using IPSec protocols
Configured secure hybrid cloud connectivity using VPN gateways, route tables, and firewall rules - Established encrypted tunnels ensuring secure data transfer across multi-cloud environments
- Architected and managed a full-scale multi-cloud data platform, including end-to-end AWS account setup, governance, and cross-cloud data integration. Creating fully automated CI build and deployment infrastructure and processes for multiple projects.
- Designed and implemented a secure, end-to-end multi-cloud pipeline integrating GCP and AWS for data ingestion, processing, analytics, and reverse data transfer.
- Provisioned and managed an AWS child account from scratch, including account structure, IAM policies, networking, and service enablement aligned with organizational standards.
- Led cloud architecture design and client presentations, securing approvals in governance forums (PTAB meetings) for solution rollout.
- Established cost management strategy including budgeting, forecasting, and cost optimization using tagging, monitoring, and resource controls.
- Exported data from BigQuery to GCS and orchestrated cross-cloud transfers (GCS ↔ S3) using AWS DataSync and GCP Storage Transfer Service.
- Built event-driven ETL pipelines using S3 triggers, CodePipeline, CodeBuild, and SageMaker for scalable data processing.
- Designed data lake architecture with raw and processed layers in S3, enforcing lifecycle policies and governance controls.
- Enabled business intelligence dashboards using QuickSight with SPICE engine for high-performance analytics.
- Implemented enterprise-grade security controls including least-privilege IAM roles, SSE-KMS/CMEK encryption, and secure credential management across clouds.
- Established governance frameworks covering audit logging (CloudTrail, CloudWatch, GCP Audit Logs), data classification, and compliance policies.
- Configured monitoring and alerting systems using SNS and Pub/Sub for operational visibility and incident response.
- Ensured network security and isolation via VPC configurations, private endpoints, and restricted access policies.
- Managed fully automated CI/CD Pipelines using Jenkins to deploy Microservices in AWS ECS.
DevOps Engineer
Publicis Sapient
02.2024 - 02.2025
- Designed, developed, and managed CI/CD pipelines to automate the build and deployment of microservices across EKS DEV, QA, STAGE, and Production environments.
- Created Jenkins pipelines for containerized applications, incorporating Blue-Green and Canary deployment strategies.
- Designed and implemented multi-branch Jenkins pipelines, enabling automated builds, tests, security scans, and deployments.
- Assisted the Marriott DevOps team in migrating Jenkins pipelines to Harness, enhancing automation efficiency and deployment workflows.
- Managed GitHub repositories, implementing branch protection rules, webhooks, and access controls for users and groups.
- Developed Docker and Kubernetes templates to provision resources, including deployments, services, pods, and ingresses on EKS.
- Led troubleshooting and infrastructure maintenance, ensuring system stability and optimal performance.
- Built Jenkins pipelines for automated builds, static code analysis, security scanning, and functional testing using pipeline-as-code.
- Designed and implemented CI/CD pipelines in Harness, streamlining build, testing, and deployment of microservices on EKS.
- Automated artifact management by integrating JFrog Artifactory with Jenkins pipelines using REST API.
- Analyzed client requirements, proposed and documented tailored solutions, and took ownership of end-to-end solution delivery.
- Project: Marriott Hotels
- Environment: Unix, Linux, Jira, Confluence, Bitbucket, Jenkins, SonarQube, Nexus
Sr DevOps Engineer
Marriott Hotels HVMI
02.2020 - 02.2024
- Managed fully automated CI/CD Pipelines using Jenkins to deploy Microservices in AWS ECS.
- Configure micro services in new non-prod and prod environments.
- Built a new EC2 instance and migrated all the CI/CD tools to it.
- Worked on Implementing ZAP, Pa11y and lighthouse
Sr DevOps Engineer
McDonald’s Corporation
05.2018 - 02.2020
- Working as Sr Devops Engineer providing end to end Source code management, Build, Deployment & Release Management in Agile framework.
- Creating fully automated CI build and deployment infrastructure and processes for multiple projects.
- Implemented CI/CD setup end to end.
- Developing Docker images to support Development and Testing Teams and their pipelines; distributed Jenkins.
- Owned Migration of Version Control Tool SVN to GIT
- STASH – Repository creation, User creation and management. Establishing Branching and merging strategy, performing code merges.
- JENKINS – Worked on creating Upstream/Downstream Jobs, Pipeline as a Code Jobs.
- Worked on Integrating Jira with Jenkins and on auto build concepts.
- Worked on establishing Quality gates in Sonarqube to enable bug free code.
- Implemented and managing web server configurations using Ansible.
- Environment: Jira, Confluence, Bitbucket, Jenkins, SonarQube, Artifactory, Ansible, Docker
DevOps Engineer/Atlassian Tools Administrator
Virtusa Consulting Services
02.2017 - 05.2018
- Working as Devops Engineer and administering all Atlassian tools like Jira, Confluence, Bitbucket.
- Handling build and deployment related day-to-day issues by coordinating with BAU & On-Boarding teams.
- Provide ideas & create JIRA issues to improve ACM to make amendments and ensure easy flow for build & deployments
- JIRA workflow, Schemes & Issue type creations for ITSR to JIRA issues migration.
- Confluence Space Migration from AMEA to Central Instance
- Creating Jira projects, custom fields, Screens, workflow, permission, Issue Security Level scheme as well as Notification
- Responsible integrating Jenkins with Stash for the automated build process.
- Installed and upgraded all Atlassian tools like Jira, Confluence, Fisheye/Crucible, Bitbucket.
- Responsible for JIRA project migration from one instance to another JIRA instance.
- Identified and implemented process improvements
DevOps Engineer/Atlassian Tools Administrator
Capgemini India Pvt Limited
05.2015 - 01.2017
- Working as Devops engineer and administering all Atlassian tools like Jira, Confluence, Fisheye/Crucible, Bitbucket.
- Managing GIT, Jenkins, Sonar, Nexus as a part of Continuous Integration
- JIRA integration with other applications like Confluence, Subversion, Fisheye, Crucible, Bitbucket, Jenkins etc.
- Responsible for GIT installation and managing Repositories in Bitbucket.
- Been engaged in setting up LDAP/LDAPS for all Atlassian tools.
- Migrated all Atlassian tools native database to MYSQL database.
- Responsible integrating Jenkins with Stash for the automated build process.
- Installed and upgraded all Atlassian tools like Jira, Confluence, Fisheye/Crucible, Bitbucket.
- Responsible for JIRA project migration from one instance to another JIRA instance.
- Installed and configured Nexus Artifactory tool and created repositories.
- Configured code quality tool SonarQube.
- User management tasks for groups role creation and maintenance in JIRA & Confluence.
- Creating Jira projects, custom fields, Screens, permission, Issue Security Level scheme as well as Notification
- Configuration of Workflow scheme as per project requirement.
- Configuration of Screen scheme as per project requirement.
- Confluence space creation, user management and space look and feel configuration.
- Configure filters & Dashboard as per user requirement.
- Agile Scrum & Kanban configuration for the project.
- Identifies and implement process improvements
- Provides installation test backup by working with Performance Engineering and documentation to ensure a good installation experience for the customer
- Coordinate with Dev team to understand new releases and their basic components
- Project: Scope International
- Environment: Unix, Linux, Jira, Confluence, Fisheye/Crucible, Bitbucket, SVN, Jenkins, SonarQube, Nexus
DevOps Engineer/ Atlassian Tools Administrator
Cognizant Technology Solutions
05.2012 - 04.2015
- Creating Jira projects, custom fields, Screens, permission, Issue Security Level scheme as well as Notification
- Configuration of Workflow scheme as per project requirement.
- Configuration of Screen scheme as per project requirement.
- Confluence space creation, user management and space look and feel configuration.
- Configure filters & Dashboard as per user requirement.
- Agile Scrum & Kanban configuration for the project.
- Identifies and implement process improvements
- Installing, configuring and upgrading custom plugins in JIRA and Confluence.
- Guiding teams in creating spaces and pages in confluence for better traceability.
- Trained users in JIRA, Agile and Confluence.
- Worked on Jira, Confluence integration.
- Worked on Jira, Confluence, Crowd integration with the corporate LDAP/Active Directory.
- Involved in Jira installation and Upgradation.
- Created customized Versions/ Components for all projects
- Troubleshooting and resolving issues in JIRA and Confluence as users.
Build/Release Engineer
Cognizant Technology Solutions
11.2011 - 05.2012
- Taking up the defects from QC (defect tracking tool) and check for any dependencies for the corresponding defects and providing the same to development community.
- Environment Management and maintenance for system testing and hot fix.
- Defining project directory structure, configurable items, naming conventions and checking the version of programs in UNIX.
- Process for Pre Build Activities, Build Activities and Post Build Activities were defined and implemented for UAT and Production environment.
- Process for requesting the build and rebuild were established, process for interaction with different team like the Development Team and the Testing Team, when the release faced any issues.
- Involved in Software Release Notes Preparation.
- Project: Wal-Mart
- Environment: Subversion, Quality Center, Team forge and Anthillpro
Content Quality Analyst
Amazon Development Centre
05.2009 - 10.2011
- Have undergone training in ITIL v3. To effectively follow the ITIL principles for any incidents and record first time fixes whenever applicable.
- Proficient in using vtiger CRM 5, SharePoint Server 2007, FileZilla 3.3.2.1, WinSCP 4.1.9, Mobipocket Reader 6.2 Build 608, Mobipocket Creater v4.2 Build 41
- Extensive experience in handling the Remedy Ticketing Tool (CRT), JIRA and creating the Wiki pages
- Experience in troubleshooting and implementing the fix for internally developed code using Putty and GFT and resolving remedy tickets
- Closely work with partners on technical integrations
- Experience in digital media integration, retailing or services a plus and Vendor Account Management
- To conduct detailed analyses of data gathered via the Service Management process in order to identify underlying issues and to develop effective responses aimed at improving or eliminating such issues.
- Highly organized and analytical; able to manage multiple projects, support issues and personnel.
- Project: Amazon.com
- Environment: Unix, Linux, Windows
Education
Masters - Computer Application
Ethiraj College for Women
01-2009
Skills
Cloud & Infrastructure: AWS, GCP, Terraform, Kubernetes (EKS), Docker, Helm
CI/CD & Automation: Jenkins, GitHub/GitLab, Groovy,Python
Monitoring & Security: Dynatrace,Datadog,Splunk,AquaScan,
Certification
Certified Terraform Associate
Timeline
AWS Certified Solution Architect Associate
03-2029
Certified Terraform Associate
03-2027
DevOps Engineer
Publicis Sapient
02.2024 - 02.2025
Sr DevOps Engineer
Marriott Hotels HVMI
02.2020 - 02.2024
Sr Devops Engineer
Publicis Sapient
05.2018 - Current
Sr DevOps Engineer
McDonald’s Corporation
05.2018 - 02.2020
DevOps Engineer/Atlassian Tools Administrator
Virtusa Consulting Services
02.2017 - 05.2018
DevOps Engineer/Atlassian Tools Administrator
Capgemini India Pvt Limited
05.2015 - 01.2017
DevOps Engineer/ Atlassian Tools Administrator
Cognizant Technology Solutions
05.2012 - 04.2015
Build/Release Engineer
Cognizant Technology Solutions
11.2011 - 05.2012
Content Quality Analyst
Amazon Development Centre
05.2009 - 10.2011
Masters - Computer Application
Ethiraj College for Women