Senior DevOps Engineer with Cloud Automation and CI/CD Expertise

Prasanna DevOps Engineer

********.***@*****.*** +1-706-***-**** Linkedin

PROFESSIONAL SUMMARY

DevOps Engineer with 4+ years of experience in cloud infrastructure and automation at companies including Goldman Sachs, Cognizant and HCL Technologies. Automated server provisioning with Ansible, Puppet, and Chef, cutting setup time from hours to minutes. Enhanced AWS security with IAM policies, RBAC, MFA, and automated patching, mitigating 95% of identified vulnerabilities. Migrated on premises workloads to AWS, achieving 25% cost savings through right-sizing and reserved instances. EXPERIENCE

Goldman Sachs – DevOps Engineer, Aug 2023 – Present Texas, US

Automated CI/CD pipelines using Jenkins, GitHub Actions, and ArgoCD, cutting deployment time by 45% and reducing manual errors by 30%. Implemented blue-green and canary strategies to ensure zero-downtime releases.

Deployed and managed Kubernetes clusters (EKS) with Terraform, improving scalability for 50+ microservices across environments. Introduced resource limits and auto-scaling policies that optimized cost by 25%.

Centralized logging and monitoring with Prometheus, Grafana, and ELK, reducing mean time to detect (MTTD) by 40%. Created automated alerts for performance anomalies and service degradations.

Enhanced infrastructure security by integrating AWS IAM, KMS, and Secrets Manager, leading to full SOC2 compliance. Conducted vulnerability assessments and remediations within SLA targets.

Implemented Infrastructure as Code (IaC) using Terraform and Ansible, achieving consistent environment provisioning across dev, staging, and production. Reduced environment drift incidents by 80%.

Partnered with development and SRE teams to optimize build pipelines and container images, shrinking image sizes by 60% and improving build speed by 35%.

Cognizant – DevOps Engineer, Jan 2021 – Dec 2021 Chennai, India

Built and maintained CI/CD workflows using Jenkins, GitLab CI, and Azure DevOps Pipelines, automating testing, packaging, and deployment for 20+ enterprise applications. Reduced release cycles from weekly to daily.

Managed cloud infrastructure across AWS (EC2, S3, RDS, Lambda) and Azure (VMs, App Services, Storage Accounts), achieving 99.98% uptime through proactive monitoring, auto-scaling, and resource optimization.

Integrated SonarQube, Nexus, Azure Artifacts, and OWASP dependency checks into CI pipelines, enforcing code quality baselines and achieving 90%+ security compliance.

Designed and implemented Azure Repos branching strategies, PR workflows, and gated check-ins to improve code review quality and strengthen version control practices.

Automated infrastructure provisioning using Terraform and Azure ARM templates, enabling repeatable environment creation and reducing manual provisioning time by 60%.

Worked with developers to architect fault-tolerant systems using Load Balancers, Auto Scaling Groups, Application Gateway, CloudFront, and Azure Front Door, improving API response times by 20% and enhancing global availability. HCL Technologies – Jr. DevOps Engineer, May 2019 – Dec 2020 Chennai, India

Assisted in creating automated build and deploy pipelines with Jenkins for Java and .NET applications, reducing manual intervention by 70%.

Supported migration of legacy systems to AWS Cloud, improving reliability and performance while cutting hosting costs by 20%.

Co-ordinated version control using Git and Bitbucket, ensuring smooth code integrations and minimizing merge conflicts through branching best practices.

Maintained monitoring dashboards via Nagios and Grafana, providing real-time insights and early detection of system outages.

Participated in security audits and patching processes, achieving 100% compliance with internal vulnerability management guidelines. SKILLS

Cloud Platforms: AWS, EC2, S3, RDS, Lambda, VPC, Route 53, DynamoDB, API Gateway, Auto Scaling, Azure

Infrastructure as Code: Terraform, AWS CloudFormation

CI/CD: Jenkins, GitLab CI, Azure DevOps, Bamboo

Configuration Management: Ansible, Puppet, Chef

Containerization & Orchestration: Docker, Kubernetes, Amazon EKS, Helm

Monitoring & Logging: Prometheus, Grafana, Nagios, AWS CloudWatch, AWS CloudTrail, Logstash, Splunk

Scripting & Automation: Bash, Shell Scripting, Python, Ruby, PowerShell

Version Control & Collaboration: Git, Bitbucket, Jira, Confluence, ServiceNow

Networking & Security: DNS, TCP/IP, SSL, SSH, VPN, IAM, Multi-Factor Authentication

Messaging & Streaming: Apache Kafka, Apache Spark CERTIFICATES

AWS Associate Solution Architect

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