03/31/2025 updated

**** ******** ****
100 % available

IT Infrastructure Architect | Specialist in DevOps, DevSecOps, Cybersecurity Integration (GCP, AWS,

Hornchurch, United Kingdom
Worldwide
B.Sc. In Computer Science with Physics
Hornchurch, United Kingdom
Worldwide
B.Sc. In Computer Science with Physics

Profile attachments

Samantha Gunasena V3.0.pdf

Amazon Web ServicesData AnalysisApache HTTP ServerAutomationMicrosoft AzureBash ShellCapacity PlanningCloud ComputingComplianceComputer ProgrammingDatabasesContinuous IntegrationDevOpsElasticsearchGitHubGovernanceGroovyInfrastructure ManagementJSONPython (Programming Language)Microsoft SQL ServersAzure SQLMongoDBMySQLOracle ApplicationsPerformance TuningVisualizationReliability EngineeringPrometheusStatisticsYAMLScriptingGoogle CloudGrafanaMttrReliability of SystemsCloudformationGitlab-ciResource UtilizationCloudwatchInfrastructure DesignSafety PrinciplesTerraformDevSecOpsDatabase AdministrationElk StackJenkinsStatic Application Security TestingProgramming LanguagesDynamic Application Security Testing
Cloud Platforms and Infrastructure Design
Proficiency in Azure, GCP, and AWS cloud platforms. Design of secure and scalable cloud architectures, integration of hybrid environments, and automation of governance using ARM templates and various cloud-native tools.

DevOps and DevSecOps
Implementation of CI/CD pipelines using Jenkins, GitLab CI/CD, Azure DevOps, and GitHub Actions. Expertise in infrastructure as code tools like Terraform and CloudFormation for consistent and automated deployments.

Site Reliability Engineering (SRE) & FinOps
Definition and monitoring of SLIs, SLOs, and SLAs to ensure system reliability and performance. Capacity planning and performance tuning for high-availability systems across multi-cloud and hybrid infrastructures.

Security and Compliance
Enhancement of container security with tools like Aqua Security and Prisma Cloud. Reduction of vulnerabilities through automated scanning (SAST, DAST) and proactive threat mitigation using AWS Inspector and Azure Security Center.

Database Management
Proficiency in various database systems including MySQL, MongoDB, Elasticsearch, Oracle, and MS SQL. Experience in migrating on-premises database systems to cloud platforms like Azure SQL and Google Cloud Platform.

Programming and Scripting
Competence in multiple programming languages and scripting tools including Python, Bash Script, Terraform, Apache groovy, Json and Yaml for automation and infrastructure management.

Monitoring and Analytics
Utilization of monitoring tools such as ELK Stack, CloudWatch, Grafana, and Prometheus for system observability, statistics collection, and visualization to reduce MTTR and optimize resource utilization.
 

Experience

Professional experience10+ years
Freelancer since2024

Languages

EnglishFluent

Project history

Senior Cloud Transformation/Migration Consultant (Contract)

KNSI AVAIATION ENGINEERING, Stansted Airport
Leading a cloud transformation project for hybrid infrastructure spanning Azure, GCP, and on-premises environments. Implementing SRE framework and optimizing cloud operations, resulting in 30% cost reduction.

Architect Infrastructure Operations

Virtusa UK Consulting & Services Limited
Served as SME for client projects, enhancing DevOps/DevSecOps tools and frameworks. Led cybersecurity integration for major clients, designed hybrid infrastructure solutions, and improved CI/CD pipelines, resulting in significant performance improvements and cost savings.

Lead Consultant – IT Infrastructure

Virtusa Pvt Ltd (Sri Lanka)
Led infrastructure design and implementation for major banking clients, ensuring compliance with stringent security standards. Improved system performance and reduced costs through virtualization and resource optimization strategies.

Contact form

Log in to get in touch

You need to be logged in to use the contact form.

Sign upLog in