Kyiv, Ukraine. AWS, EKS, EC2, IAM, Route53, RDS, MSK, S3, VPC, CloudFront, Terraform, Helm, Argo, GitHub Actions, Jenkins, Prometheus.

• Develop and maintain AWS infrastructure with Terraform Cloud, including EKS, MSK, RDS, S3, IAM, ALB, and Kong.
• Upgrade EKS and Terraform modules, including breaking changes.
• Maintain Helm-based Kubernetes deployments and write internal Helm charts.
• Handle production incidents and on-call for infrastructure and Kubernetes.
• Support application deployment and runtime issues in Kubernetes, GitHub, Jenkins, and AWS.
• Run monitoring and logging with Prometheus, Grafana, and Elasticsearch.
• Track cloud cost and investigate spend spikes.
• Maintain legacy infrastructure and Chef recipes.
• Write post-mortems after production incidents.
• Cut infrastructure cost with Reserved Instances, Graviton, removal of unused EBS, RDS, EC2, and ELB, CastAI for EKS spot capacity, and tighter Kubernetes requests, limits, replicas, and autoscaling.
• Moved resources to Terraform Cloud and off Chef, and added Karpenter as a fallback scaler.

Kyiv, Ukraine. AWS, EKS, EC2, RDS, IAM, S3, Terraform, Ansible, Chef, Jenkins, Docker.

• Deploy services to AWS with Terraform.
• Improve CI/CD with developers, including new and existing Jenkins jobs.
• Build and update Docker images and Jenkins pod templates.
• Take part in DevOps escalations and on-call.
• Added EC2 Instance Connect so hosts can be reached without a long-lived SSH key, with IAM policies for admin, dev, and QA.
• Upgraded the Jenkins controller and moved agents to EKS, which cleared the job queue.
• Converted Jenkins freestyle jobs to pipelines with shared libraries, including a Java deploy pipeline.
• Upgraded self-hosted Confluence to the latest LTS.

Kyiv. GCP, CentOS, Ansible, Terraform, Packer, ELK, Zabbix, Prometheus, Grafana, Jenkins.

• Run production and stage deploys with Ansible and Jenkins.
• Deploy VMs on Google Cloud with Terraform.
• Keep Ansible and Terraform in GitHub.
• Add Zabbix and Prometheus monitoring, plus Datadog integrations.
• Tune the ELK stack under load, including during elections.
• Debug production issues with Zabbix, Prometheus, Pingdom, ELK, and Datadog, and run smoke tests after releases and hotfixes.
• Deployed an ELK hot-warm stack with RabbitMQ buffering millions of log messages per day.
• Deployed Prometheus and Grafana for datacenter and GCP metrics.
• Added Datadog integrations for RabbitMQ, PHP, PHP-FPM, Kubernetes, PagerDuty, and Logstash, and New Relic for Java.

Kyiv. GCP, CentOS, Zabbix, Ansible, Asterisk, PagerDuty, ELK.

• Monitor stability with Zabbix and ELK, debug production issues, write downtime reports, and contact vendors during emergencies.
• Deploy Zabbix checks with Ansible and keep documentation current.
• On-call rotation.
• As team lead: train NOC engineers, send weekly reports, and work with other teams on monitoring and process changes.

Kyiv. Windows Server 2012 Active Directory, Windows 7, Cisco, HP, Aruba, Asterisk, Office 365, Zabbix.

• Support more than 150 users in the head office and branch, and keep infrastructure available around the clock.
• Select, install, and configure hardware and software, and repair workstations.
• Run Windows Server, CentOS, Asterisk, Atlassian, Office 365, Hyper-V, the corporate website, 1C, and backups.
• Set up Hyper-V for production VMs, a second domain controller, Windows Deployment Services for unattended Windows 7 and 8 installs, FortiGate SSL-VPN with Active Directory LDAP, and Zabbix.

Kyiv.

• Technical support through the issue tracker.
• Install and monitor workstations, and connect printers, scanners, routers, and IP phones.
• Install and configure Windows Server 2003, Active Directory, and Group Policy.
• Configure the access control system.

Kyiv. First job.

• Help desk for operating systems and software.
• Repair laptops, PCs, and peripherals.
• Help build structured cabling.