Denys Sirchenko

Background

About Denys Sirchenko

Skills and technologies:• Cloud providers: AWS (VPC, EC2, S3, EFS, CloudWatch, CloudTrail, IAM, OpenSearch, ElastiCache, Lambda, Route53, RDS, SNS, SQS, API Gateway, EventBridge, ECS)• Containerization: Docker, Docker Compose, Docker Swarm• Container Orchestration: EKS, ECS• OS: Linux (Ubuntu, Red Hat)• Configuration management tools: Ansible• Provisioning tools: Terraform, Terragrunt• Scripting: Bash, Python• Version Control System: Git/GitHub• CI/CD: Jenkins, GitHub Actions, Buddy CI, TeamCity• Monitoring: Grafana, Prometheus• Message Brokers: RabbitMQ• Issue tracking: Jira, ServiceNow• Schedulers: Control-M, Autosys• ITSM | ITIL Managed ServicesAchievements:• Migrated cloud infrastructure codebase from Terraform to Terragrunt, enhancing modularity, reusability, and operational efficiency. This transition streamlined environment provisioning and reduced code duplication• Architected an automated cost-saving strategy that delivered up to 40% reduction in operational costs for internal environments• Established continuous security scanning for credentials exposure across infrastructure repositories, enabling early detection of vulnerabilities and significantly minimizing the risk of sensitive data leaks• Automated environment provisioning workflows, reducing deployment time by up to 70% and improving operational velocity for development and testing teams• Developed a comprehensive architectural solution for automated IAM key pair rotation, facilitating identification and renewal of outdated credentials in line with industry security standards and compliance requirements