Nuwan Gayantha

Cloud Operation Engineer London Stock Exchange Group

2022 Dec- present

Demonstrated expertise in AWS networking, including VPC design, Transit Gateway setup, and connectivity with on-premises services. Managed multiple AWS accounts at the organization level, ensuring security and compliance(within the AWS Cloud Landing Zone).
Administered AWS Organizations, Service Control Policies (SCPs), and AIM policies to secure and manage a large number of AWS accounts.
Implemented and maintained automation pipelines using Jenkins, Ansible, and Terraform, enhancing infrastructure provisioning and orchestration.
Proficiently managed AWS resources and ensured compliance and security practices across the organization.
Collaborated in the management of Squid Proxy servers, and Vault tools strengthening the security of private workspaces.
building connectivity between Azure AD, STS authentication, and AWS Directory Service ensuring identity and access management in a multi-cloud environment.

Associate DevOps Engineer Keeneye Solutions

2021 Sep - 2022 Nou

Played a key role in DevOps practices, utilizing AWS services, including EC2, ELB, ECS, S3, CodePipeline, ASG, VPC, SES, CodeBuild, API Gateway, Route 53, and CloudWatch.
Collaborated closely with web and mobile application development teams to streamline the deployment and release processes.
Worked closely with development teams to design and implement CI/CD pipelines using tools like AWS CodePipeline, Bitbucket Pipeline, Jenkins, and others.
Managed databases including MySQL and MongoDB, and web servers like Apache and Nginx.
Successfully implemented Docker containers, enhancing application scalability and reliability.
Integrated monitoring and security tools, such as SonarQube, and Snyk with CI/CD pipelines, to ensure code quality and security.
Expertly integrated application performance monitoring tools, including New Relic this integration enabled real-time visibility into application health and performance.
Established PagerDuty integrations for 247/ application availability monitoring and incident response.
Building a cost-optimized deployment solution using AWS Spot Instances for microservices and containerized applications ni Amazon Elastic Container Service (ECS)

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