Subhabrata Gayen
Auckland,Mount Wellington
Summary
Dedicated and results-driven Cloud Engineer and DevOps Professional with 14 years of IT experience, including 10 years specializing in PeopleSoft Administration and Oracle Cloud, complemented by 4+ years of experience in AWS Cloud Engineering, DevOps, and Architecture. Certified as an AWS Solution Architect and DevOps Professional, proficient in a wide range of AWS services and tools. Skilled in setting up AWS services optimizing operations through automation, ensuring AWS Security compliance, and implementing cost optimization strategies. Experienced in Agile and Scrum methodologies, CI/CD/DevOps concepts, and successful delivery of multiple AWS and PeopleSoft projects across diverse domains and geographies. Seeking a challenging role in the IT industry to leverage skills, drive innovation, and contribute to organizational growth.
Overview
15
15
years of professional experience
1
1
Certification
Work History
AWS Cloud Engineer and DevOps
Sky Network Television Ltd
04.2023 - Current
- Designed and configured pipelines using GitLab CI for streamlined development processes.
- Implemented deployment strategies with Flux and Kustomization, ensuring efficient and reliable deployments.
- Expertise in Akamai CDN, including configuration of redirection rules, CDN security, WAF, Bot Manager, Endpoint protection, Rate Control, Phased released cloudlet, Akamai Certificate and DNS management, Akamai CLI pipeline configuration, IP whitelisting, and geo-blocking.
- Configured CI for deploying Spring Boot microservices and Node.js applications on Kubernetes.
- Managed MongoDB patching and MSK Kafka topic partitioning and replica configurations.
- Deployed SAAS products using robust pipelines and automation.
- Configured and managed CI/CD pipelines for Middleware and Web teams using GitLab, GitHub, Azure DevOps, and JFrog.
- Automated manual tasks through scripting languages such as Python or Shell, boosting team productivity levels.
- Provided troubleshooting support for AWS services, on-prem servers, and CI/CD-related issues.
- Managed CDN configurations such as Akamai and CloudFront.
- Handled Auth0 user and app configurations for middleware team, including SSO, HRD, and Brakglass Account MFA with YubiKey devices.
- Managed lifecycles of Liferay products, including cloning, backup, and stack upgrades for Web team.
- Troubleshot AWS API Gateway configurations and resolved related issues effectively.
- Provided development teams with necessary support in setting up local codebases and configurations.
- Conducted assessments for repository and CI migration to GitLab.
- Managed configuration and ensured service health for various middleware services running on EKS clusters.
- Managed, renewed, and configured SSL certificates to maintain secure connections.
- Provided 24/7 on-call support for critical systems, ensuring high availability and rapid issue resolution.
AWS Cloud Engineer
Tata Consultancy Services Limited
07.2020 - 03.2023
- Designed, built, deployed, scaled, and maintained AWS Cloud Infrastructure solutions, ensuring high availability and scalability.
- Participated in architectural discussions to build confidence and promote customer success when developing new and migrating existing applications, software and services on AWS platform.
- Implemented best practices for system availability, operational maintenance, reliability, and scalability, providing specialist knowledge in operating systems, storage subsystems, networking, and serverless technologies.
- Configured cloud-native features such as Auto Healing, Auto Scaling, and AWS Backup to enhance cloud server resilience and data protection.
- Provisioned Infrastructure as Code (IaaC) using CloudFormation and Terraform, ensuring consistent and efficient infrastructure management.
- Developed and implemented solutions for Single AZ Auto Healing for IP-dependent application servers, ensuring high availability.
- Managed S3 buckets and policies, utilizing S3 and Glacier for cost-effective storage and backup solutions on AWS.
- Enabled and managed Amazon IAM services to grant permissions and resources to users, managing roles and permissions efficiently.
- Evaluated and implemented automated optimization opportunities to reduce manual operations and enhance operational ease.
- Focused on cost optimization and right-sizing of infrastructure resources to ensure efficient use of cloud services and reduced operational costs.
- Conducted AWS security remediation based on security compliance reports, ensuring cloud infrastructure security.
- Worked within Agile and Scrum frameworks to manage projects and tasks effectively.
- Trained junior engineers on best practices for working within an AWS environment, promoting skill development across the team.
PeopleSoft Upgrade Specialist & Cloud Admin
Tata Consultancy Services Limited
08.2016 - 06.2020
- PeopleTools and PUM Upgrades: Led PeopleTools 8.56 and PUM upgrades (HCM PUM 29, ELM PUM 18), performing impact analysis, customization retrofits, change package generation, team engagement, go-live planning, and promotion activities.
- Server and Security Management: Managed server provisioning, application installation, and security setup, ensuring optimal performance and compliance. Configured Oracle HTTP servers, load balancing, FTP servers for secure payslip generation, and whitelisting/blacklisting for internet exposure.
- SSO and Security Integration: Implemented and supported SSO and Active Directory integration (Kerberos), maintained security, conducted penetration testing, and resolved vulnerabilities like XSS.
- PeopleSoft Implementation and Support: Provided comprehensive support for PeopleSoft Core HR and GP France implementation, environment provisioning via DPK scripts, third-party application integrations, and technical troubleshooting.
- Oracle Cloud Infrastructure (OCI) , AWS Deployment: Deployed and configured PeopleSoft Cloud Manager on OCI, lifted and shifted on-premises environments to OCI cloud. Created VPCs with public and private subnets, booted EC2 instances, and configured security groups and Network ACLs.
- Cloud Automation and Storage Management: Configured file systems and mount targets, deployed environments through Terraform, and managed states via OCI Resource Manager. Configured S3 object storage buckets, managed policies, versioning, and cross-region replication.
PeopleSoft and OBIEE Administrator
Tata Consultancy Services Limited
04.2014 - 07.2016
- Led ELM 9.2 and PeopleTools upgrades, ensuring seamless integration and system performance.
- Provided maintenance and support for PeopleSoft and OBIEE applications, including user management and role assignments.
- Managed patching, bundle applications, and updates, as well as performing environment refreshes to meet operational needs.
- Supported third-party software telemetry, STAT migration, and production implementations, ensuring smooth transitions and system stability.
- Configured multihome environments, compiled COBOL, performed system performance tuning, and created shell scripts for automation to enhance efficiency and resolve user-reported issues.
Peoplesoft and Oracle Fusion Apps Administrator
Cognizant Technology Solutions, CTS
08.2009 - 04.2014
- PeopleSoft Administration: Built, configured, debugged, and supported PeopleSoft applications (HCM and FSCM versions 8.50-9.2), including installation of Tuxedo, application server domains, process schedulers, and COBOL compilation on Linux and Windows. Conducted tax updates, patches, STAT project migrations, OBIEE, and STI migrations, along with routine post-refresh tasks and day-to-day admin activities.
- System and Server Management: Analyzed and resolved issues with process schedulers, application servers, and web servers. Managed Maestro Job Scheduler (IBM Tivoli) and utilized BMC Remedy for alerts, change management, and SLAs. Collaborated with network, NT, and Unix administrators to deliver stable and secure multi-instance hosting services.
- Oracle Fusion Administration: Managed Oracle Fusion applications (11.1.4) across DEV, GOLD, and TEST environments. Reviewed and recommended patches, coordinated outages, applied patches, and progressed them through environments. Handled WebLogic Server installation, troubleshooting, maintenance, and Fusion Applications, OID, OIM, and BI services troubleshooting.
- Job Scheduling and Incident Management: Managed Oracle Enterprise Scheduler Service, tracked incidents through ServiceNow and other ticketing tools, and ensured efficient and reliable job execution and service delivery across systems.
Education
Bachelor of Technology - Electronics and Communication Engineering
West Bengal University of Technology
06.2009
Skills
- AWS Architecture Design
- API Gateway Configuration
- Cloud Migration Strategies
- CI/CD
- DevOps Methodologies
- AWS Security Management
- Scripting Languages
- Systems configuration
- Microservices Implementation
- Cost Management
- Virtualization Technologies
Aws Certifications
- AWS Certified DevOps Engineer – Professional
- AWS Certified Solutions Architect – Professional
Certification
· Edureka Certified – Kubernetes Administrator (2023)
· HashiCorp Certified: Terraform Associate
· AWS Certified Solutions Architect – Associate
· Oracle Cloud Infrastructure 2019 Certified Architect Professional
· Microsoft Azure Fundamentals (AZ-900) Certification
Languages
English
Full Professional
Bengali
Native or Bilingual
Hindi
Professional Working
Timeline
AWS Cloud Engineer and DevOps
Sky Network Television Ltd
04.2023 - Current
AWS Cloud Engineer
Tata Consultancy Services Limited
07.2020 - 03.2023
PeopleSoft Upgrade Specialist & Cloud Admin
Tata Consultancy Services Limited
08.2016 - 06.2020
PeopleSoft and OBIEE Administrator
Tata Consultancy Services Limited
04.2014 - 07.2016
Peoplesoft and Oracle Fusion Apps Administrator
Cognizant Technology Solutions, CTS
08.2009 - 04.2014
Bachelor of Technology - Electronics and Communication Engineering
West Bengal University of Technology
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