Ankan Sen
Kolkata
Summary
DevOps Engineer with 4.5 years of experience in designing, automating, and optimizing Azure-based deployments. Skilled in building CI/CD pipelines (YAML & Classic), managing infrastructure with Terraform, and orchestrating containers using Kubernetes and Docker. Delivered 4 end-to-end projects and 1 POC, reducing deployment time by 60% through automation and performance improvements. Strong collaborator with a focus on scalable, secure, and cost-efficient cloud solutions. Detail-oriented DevOps Engineer with a strong foundation in container orchestration and cloud migrations. Achievements include designing fault-tolerant systems and automating deployment processes, driving continuous improvements in infrastructure management and application delivery.
Overview
4
4
years of professional experience
1
1
Certification
Work History
DevOps Engineer
Tata Consultancy Services
Kolkata
12.2021 - Current
- Implemented state management and remote locking in Terraform using Azure Storage backends to ensure safe, concurrent deployments.
- Designed high-availability and fault-tolerant architectures using Azure Load Balancers and Availability Sets / Zones.
- Applied Infrastructure Security Best Practices, including NSGs, least-privilege access, and secure networking patterns.
- Performed infrastructure refactoring and version upgrades with minimal service disruption.
- Integrated Terraform validation, formatting, and planning stages into CI/CD pipelines to enforce infrastructure quality.
- .
- Implemented approval gates and environment-specific deployments (Dev / QA / Prod) in YAML pipelines.
- Automated blue-green / rolling deployments to minimize downtime during application releases.
- Managed pipeline secrets and credentials securely using Azure Key Vault and service connections.
- Implemented container lifecycle management, including image versioning and rollback strategies.
- Optimized Docker images using multi-stage builds, reducing image size and deployment time.
- Configured container logging and monitoring for faster troubleshooting and observability.
- Worked with containerized microservices architectures in cloud environments.
- Configured firewall rules, NSGs, and routing tables to secure application traffic.
- Implemented TLS/SSL termination on load balancers for secure communication.
- Collaborated with security teams to support compliance and vulnerability remediation.
- Set up application and infrastructure monitoring using Azure Monitor and Log Analytics.
- Implemented alerting and health checks to proactively identify and resolve issues.
- Performed root cause analysis (RCA) for production incidents and implemented preventive measures.
- Followed Git-based workflows (PR reviews, branching strategies) for infrastructure and application code.
- Created reusable Terraform modules and internal documentation to improve team productivity.
- Worked closely with developers and QA teams to enable DevOps best practices across the SDLC.
Education
Bachelor of Technology - Electronics And Communications Engineering
Future Institute of Engineering And Management
West Bengal 06-2021
Higher Sceondary - Science
Habra High School
West Bengal04-2016
Skills
- Git,Azure DevOps
- High availability and disaster recovery (HA/DR)
- Cloud computing concepts
- Serverless computing
- Configuration management
- Microsoft Azure
- Multi-cloud fundamentals
- GitOps (Argo CD,Helm)
- CI/CD pipeline design & automation
- Dockerfile creation and image optimization
- Kubernetes
- Container orchestration
- Helm (chart development and templating)
- Microservices deployment
- Zero-downtime deployments
- Active Directory
- Load balancers, firewalls, routing
- Network configuration and security
- Azure Active Directory
- Container orchestration
- Cloud migrations
- Application deployment
- Log and metrics analysis
- Grafana,Prometheus
- Incident troubleshooting and RCA
- PowerShell, Python (basic)
- Linux administration
- Git-based workflows
Affiliations
- Actively participated in company-wide sports events and consistently ranked in cricket, football, chess, and table tennis tournaments
- Participated in blood donation camps and corporate marathons organized by the company
Accomplishments
- TCS Service and Commitment Award
- TCS Star of the Quarter Award
Certification
- Microsoft Certified: Azure Fundamentals (AZ-900)
Languages
Bengali
First Language
Hindi
Upper Intermediate (B2)
B2
English
Advanced (C1)
C1
Timeline
DevOps Engineer
Tata Consultancy Services
12.2021 - Current
Bachelor of Technology - Electronics And Communications Engineering
Future Institute of Engineering And Management
Higher Sceondary - Science
Habra High School