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Subrata Sikdar

DevOps Engineer | AWS & Kubernetes Expert | Automating CI/CD & Cloud Infrastructure | 99.9% Uptime | Cost Optimization Specialist

Greater Kolkata Area

4+ years of work experience

NAVIGATOR SOFTWARE LIMITED
Dec 20232 yrs 9 mosPresent

Kolkata

Designed and implemented end-to-end CI/CD pipelines using Jenkins, ArgoCD, and GitHub Actions, reducing deployment time by 60% and accelerating release cycles. Automated infrastructure provisioning and management using Terraform and Kubernetes, ensuring consistent, repeatable deployments across dev, staging, and production environments. Containerized microservices applications with Docker and orchestrated using Kubernetes, enhancing scalability, resource utilization, and deployment consistency. Implemented GitOps workflows with ArgoCD for automated, declarative Kubernetes application deployments and version control. Created and managed Helm charts for Kubernetes deployments, improving automation and environment standardization. Integrated DevSecOps tools including SonarQube, OWASP ZAP, and Trivy into CI/CD pipelines for automated code quality checks and vulnerability scanning. Set up centralized monitoring, logging, and observability using Grafana, Prometheus, and AWS CloudWatch, improving incident detection and system reliability. Managed and optimized AWS infrastructure (EC2, VPC, IAM, RDS, ALB/ELB, Auto Scaling), enhancing performance while reducing cloud costs. Automated monitoring, alerting, and incident response processes, achieving 99.9% application uptime. Collaborated with development teams to adopt cloud-native microservices architectures, boosting deployment scalability and system resilience.
Cogenerate Technologies
May 20233 mosJul 2023

Kolkata

Designed scalable AWS cloud architectures, improving application performance and reducing infrastructure latency by 30%. Led migration of legacy applications to AWS cloud environments, increasing scalability and cutting operational costs by 40%. Implemented AWS security best practices including IAM policies, VPC network security, and vulnerability scanning with ScoutSuite, reducing security risks by 25%. Automated infrastructure deployment and configuration using Terraform and scripting for consistent resource provisioning. Optimized AWS resource utilization with auto-scaling policies and performance monitoring via CloudWatch.
Unified Infotech
Oct 20211 yr 5 mosFeb 2023

Managed and maintained 50+ Linux servers (Ubuntu, CentOS, RedHat), ensuring high availability, stability, and security compliance. Deployed and configured Linux-based web servers using Nginx and Apache2 to support production web applications. Built CI/CD automation pipelines with Jenkins and Git, streamlining development workflows and release management. Configured and administered AWS services including EC2, S3, RDS, IAM, Route53, Auto Scaling, and Load Balancers. Performed AWS security audits using ScoutSuite and vulnerability assessments with Lynis and Checkrootkit to strengthen infrastructure security. Implemented centralized monitoring and alerting using Zabbix, ELK Stack, CloudWatch, and UptimeRobot for proactive issue detection. Developed automation scripts for database backups, server maintenance, and deployments, reducing manual effort by 40%. Configured SSL/TLS encryption with Let’s Encrypt to enhance web application security and compliance.

Subrata’s AI Stack

antigravity
antigravity
codex
codex

Education

PG Diploma in Cloud and DevOps CCE, DevOps & Cloud Computing

IIT Madras & Intellipaat

20232023
Jetking Noida Learning Center

Diploma in Network Administration

Jetking Noida Learning Center

20212021

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Headline

DevOps Engineer | AWS & Kubernetes Expert | Automating CI/CD & Cloud Infrastructure | 99.9% Uptime | Cost Optimization Specialist

About

Who I Am Building resilient cloud infrastructure and automating complex deployments is what I enjoy most. I'm an AWS Certified DevOps Engineer and Cloud Infrastructure Specialist with 4+ years of experience designing, automating, and managing scalable AWS environments and Kubernetes-based platforms that improve reliability, efficiency, and business outcomes. My Journey Over the past four years, I've helped organizations modernize their infrastructure by adopting cloud-native technologies, Infrastructure as Code, and DevOps best practices. From implementing CI/CD pipelines to leading cloud migrations, I've focused on reducing operational complexity while enabling faster, more reliable software delivery. What I Do I design and automate cloud infrastructure using Terraform, build robust CI/CD pipelines with Jenkins, GitHub Actions, and ArgoCD, and deploy containerized applications with Docker and Kubernetes. My work has reduced deployment time by 60%, maintained 99.9% uptime through proactive monitoring and observability, optimized AWS cloud costs, and improved scalability by migrating applications to cloud-native architectures. I also implement DevSecOps practices by integrating security automation and vulnerability scanning throughout the software delivery lifecycle. Key Skills AWS, Kubernetes, Docker, Terraform, Jenkins, GitHub Actions, ArgoCD, CI/CD, GitOps, EC2, S3, RDS, IAM, VPC, Auto Scaling, CloudWatch, Prometheus, Grafana, DevSecOps, Cloud Security, Infrastructure as Code, Monitoring & Observability What's Next I'm looking to contribute to organizations that value automation, scalability, and innovation in cloud engineering. My goal is to build secure, highly available platforms that accelerate software delivery while optimizing performance, reliability, and cost. Let's Connect If you're looking to discuss DevOps, Kubernetes, AWS, cloud automation, or potential collaboration opportunities, I'd be happy to connect. Let's build reliable, scalable cloud solutions together. 🔹 Certifications: • AWS Certified Solutions Architect – Associate • Certified Kubernetes Administrator (CKA) 🔹 Core Skills: DevOps | AWS | Kubernetes | Docker | Terraform | CI/CD | GitOps | Cloud Security | Monitoring & Observability #DevOpsEngineer #AWS #Kubernetes #Terraform #CloudEngineer #DevSecOps #GitOps #Docker #CICD #CloudNative #PlatformEngineering #SRE #InfrastructureAsCode #Microservices #Observability #Linux #Automation #CloudSecurity #AWSCommunity #OpenToWork

Location

Greater Kolkata Area

AI stack

antigravity

codex

Work experience

DevOps Engineer at NAVIGATOR SOFTWARE LIMITED, Dec 2023 - Present · 2 yrs 9 mos, Kolkata, Designed and implemented end-to-end CI/CD pipelines using Jenkins, ArgoCD, and GitHub Actions, reducing deployment time by 60% and accelerating release cycles. Automated infrastructure provisioning and management using Terraform and Kubernetes, ensuring consistent, repeatable deployments across dev, staging, and production environments. Containerized microservices applications with Docker and orchestrated using Kubernetes, enhancing scalability, resource utilization, and deployment consistency. Implemented GitOps workflows with ArgoCD for automated, declarative Kubernetes application deployments and version control. Created and managed Helm charts for Kubernetes deployments, improving automation and environment standardization. Integrated DevSecOps tools including SonarQube, OWASP ZAP, and Trivy into CI/CD pipelines for automated code quality checks and vulnerability scanning. Set up centralized monitoring, logging, and observability using Grafana, Prometheus, and AWS CloudWatch, improving incident detection and system reliability. Managed and optimized AWS infrastructure (EC2, VPC, IAM, RDS, ALB/ELB, Auto Scaling), enhancing performance while reducing cloud costs. Automated monitoring, alerting, and incident response processes, achieving 99.9% application uptime. Collaborated with development teams to adopt cloud-native microservices architectures, boosting deployment scalability and system resilience.

Cloud Engineer at Cogenerate Technologies, May 2023 - Jul 2023 · 3 mos, Kolkata, Designed scalable AWS cloud architectures, improving application performance and reducing infrastructure latency by 30%. Led migration of legacy applications to AWS cloud environments, increasing scalability and cutting operational costs by 40%. Implemented AWS security best practices including IAM policies, VPC network security, and vulnerability scanning with ScoutSuite, reducing security risks by 25%. Automated infrastructure deployment and configuration using Terraform and scripting for consistent resource provisioning. Optimized AWS resource utilization with auto-scaling policies and performance monitoring via CloudWatch.

Junior System Administrator at Unified Infotech, Oct 2021 - Feb 2023 · 1 yr 5 mos, Managed and maintained 50+ Linux servers (Ubuntu, CentOS, RedHat), ensuring high availability, stability, and security compliance. Deployed and configured Linux-based web servers using Nginx and Apache2 to support production web applications. Built CI/CD automation pipelines with Jenkins and Git, streamlining development workflows and release management. Configured and administered AWS services including EC2, S3, RDS, IAM, Route53, Auto Scaling, and Load Balancers. Performed AWS security audits using ScoutSuite and vulnerability assessments with Lynis and Checkrootkit to strengthen infrastructure security. Implemented centralized monitoring and alerting using Zabbix, ELK Stack, CloudWatch, and UptimeRobot for proactive issue detection. Developed automation scripts for database backups, server maintenance, and deployments, reducing manual effort by 40%. Configured SSL/TLS encryption with Let’s Encrypt to enhance web application security and compliance.

Education

PG Diploma in Cloud and DevOps CCE, DevOps & Cloud Computing, IIT Madras & Intellipaat

Diploma in Network Administration, Jetking Noida Learning Center