Serhii Slobodian

• Create terraform module – Prefix List, Security Groups, EC2, etc.)
• Integrating a new department (team 1) – Deploying infrastructure and applications – Docker images, Kubernetes manifests), configuring KrakenD gateway, setting up CI/CD for to staging/production. Providing full support for a quarter and training all developers
• Create Solution for AWS Device Farm , creating CI/CD pipelines for its usage, providing training for testers, access to applications, terraform module
• Setting up infrastructure for the externally developed : meeting with the external team to define requirements, creating Docker image pooling with GitLab, CI/CD, analyzing application functionality, deploying components to stage/prod, separate deployments for each application part, ensuring a fully operational in stage/prod
• Integrating a 40-person department (team 2) into our processes : Supporting user/wallet migration (from root to per brand/region account, k8s deployments), conducting workshops, and training on component usage
• Code Review and Release Management

Technology Stack: AWS, GitLab CI, Terraform, Terragrunt, Atlantis, Ansible, K8s, Helm, Argo, Flux, Haproxy, Kafka, Vault, Vector, Grafana&Prometheus, Victoria Metrics, PagerDuty, Rancher, OpenSearch, CloudFlare, RedPanda

• Per brand architecture implementation (cell based architecture): Define conception and architecture, divide Flux-repos, deploy AWS account & SSO, system&application components
• Linters implementation: K8s & Terraform: investigate, POC, rule configuration, implementation, fix all problems (tflint, yamllint)
• Create job, for check and auto-formatting terrafrom
• Splitting the application repository into a repository by account
• Moved 3600+ resource in tfstate
• Optimization Openserach: ISM, new module, index shards, use master nodes
• Code Review and Release Management

Technology Stack: AWS, GitLab CI, Terraform, Terragrunt, Atlantis, Ansible, K8s, Helm, Argo, Flux, Haproxy, Kafka, Vault, Vector, Grafana&Prometheus, Victoria Metrics, PagerDuty, Rancher, OpenSearch, CloudFlare, RedPanda

• Design and implementation of architecture using AWS Organizations, with separate accounts for different regions
• Designing and writing Terraform modules and code for deploying accounts and applications to these accounts, with environment-by-click functionality
• Developing and implementing CI/CD processes for automating the deployment of Terraform code
• Redesigning CI/CD for developers
• Migrating manually created resources from the root account to regional accounts, ensuring efficient management and organization

Technology Stack: AWS, GitHub Actions, Terraform, Terraform Cloud, NewRelic, Docker

• Integrating and managing TFLint across 4 repositories, addressing and fixing over 100 issues identified in the codebase
• Setting up EC2 Auto Scaling groups for Spacelift to ensure efficient scaling and resource management
• Integrating Datadog for project and create a module for user access, permission management, leveraging data from our global user management module
• Deploy new Environments with Terraform, user support assistance
• Code Review and Release Management

Technology Stack: AWS, GitLab CI, Jenkins, CloudFormation, Terraform, DataDog, SpaceLift, K8s, Docker

• Transfer all CI/CD from AWS Pipeline/CodeBuild to GitHub Actions
• Set up new environments – Stage & UAT using CloudFormation
• Knowledge sharing and mentoring new team members
• Implementing separate release pipelines for Production, Staging, and UAT environments
• Automating semantic versioning of Docker images in AWS ECR via GitHub Actions
• Migrating infrastructure code from CloudFormation to Terraform

Technology Stack: AWS, GitHub Actions, SalesForce, CloudFormation, Terraform, CloudWatch, Docker

• Project Integration with 3 APIs: Breathe HR Integration – Atlassian Jira – Tempo
• PHP development
• CI/CD Pipeline Development: GitLab CI
• Testing Procedures, Postman API
• Support, Maintenance, Release

Technology Stack: AWS, GitLab CI, PHP, API, Postman, Docker

• Maintaining firewalls update, customization – FortiOS, Dlink, Tp-Link)
• Optimized WiFi setup and VPN configurations, ensuring stable and secure remote access
• Managed local AWS infrastructure
• Working with Active Directory (AD) and LDAP for centralized user management
• Deployed and maintained Zabbix, enabling proactive network and system monitoring
• Providing support to coworkers with network issues and laptop troubleshooting – Linux, Windows, MacOS
• Ensuring cost-effective and strategic allocation of resources, planning the budget

Technology Stack: FortiOS, D'Link, TP'Link, Windows Server, Active Directory, LDAP, AWS, Google Workspace, Azure, WiFi, VPN, TCP/IP, Firewalls, DNS, Zabbix, Linux, Windows, macOS

• Migrated the enterprise to a domain-based network structure, enhancing security and management
• Implemented VMware ESXi 6 for server virtualization, optimizing resource utilization
• Configured a remote Windows Server 2012 R2 with Active Directory (AD), DNS, FTP, and integrated PfSense for enhanced security
• Reorganized network access by implementing resource access filtration, improving security and compliance

Technology Stack: HikVision, Windows Server 2008/2012, ZkTeco, TCP/IP, LPR, RTSP, DNS, Hetzner VDS, VMware ESXi