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Олександр
DevOps engineer
Age:
28 years
City:
Kyiv
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Yatsyshyn Oleksandr DevOps Engineer
[open contact info ](look above in the "contact info" section) [open contact info ](look above in the "contact info" section)
[open contact info ](look above in the "contact info" section)
Kyiv, Ukraine yatsyshyn-489695182/
Profile
DevOps Engineer with 5+ years of experience in IT operations, including 3+ years focused on cloud-native infrastructure.
Specialist in building reliable AWS environments, managing Kubernetes at scale, and implementing GitOps practices. Strong
advocate for automation and observability to ensure system stability and cost-efficiency.
Technical stack
Cloud & Infrastructure: AWS (EKS, ECS, EC2, S3, RDS/Aurora, DynamoDB, Lambda, ElastiCache, VPC, IAM, CloudWatch,
•
Secrets Manager).
Infrastructure as Code: Terraform, Terragrunt (modular, multi-environment setups).
•
Containers & Orchestration: Kubernetes, Amazon EKS, Amazon ECS, Docker, Helm.
•
CI/CD & GitOps: GitHub Actions, Argo CD, Jenkins, TeamCity.
•
Observability & Logging: Prometheus, Grafana, Loki, Tempo, OpenTelemetry, ELK/OpenSearch.
•
Languages & Automation: Python (automation scripts), Bash, SQL.
•
Networking & Security: Service Mesh (Istio), Load Balancing (ALB/NLB), RBAC, IAM Policies.
•
Professional Experience
01/2023 – Present airSlate, DevOps Engineer
Designed and maintained a high-availability AWS infrastructure across 5 regions and multiple
•
accounts, ensuring disaster recovery and compliance.
Managed and operated 10+ Kubernetes clusters (Amazon EKS), migrated 50+ services to
•
Kubernetes.
Designed modular Terraform infrastructure for multi-environment setup.
•
Automated application delivery using ArgoCD and Helm, implementing GitOps best practices.
•
Improved CI/CD workflows (GitHub-based pipelines).
•
Implemented monitoring and observability solutions (Grafana, OpenTelemetry).
•
Ensured system reliability, scalability, and security best practices.
•
Supported high-load production environments and incident response processes.
•
08/2021 – 01/2023 airSlate, Technical Support Engineer (DevOps team)
Provided technical support for a large-scale microservices architecture consisting of 1,000+
•
services across 30+ AWS accounts.
Assisted with CI/CD pipelines and containerized workloads.
•
Diagnosed complex issues in production and staging environments.
•
Worked closely with engineering teams to resolve infrastructure issues.
•
01/2018 – 07/2021 Wnet, Telecommunications Engineer
Managed NAT and DHCP servers.
•
Monitored network health using Zabbix, Nagios, Grafana, and Kibana.
•
Configured L2/L3 hardware (Juniper, Cisco, D-Link, MikroTik).
•
Administered UNIX-based operating systems. Troubleshooted problems with Linux servers.
•
Education
09/2015 – 07/2019 Bachelor’s degree, Telecommunication Systems and Networks,
Kyiv, Ukraine National Technical University of Ukraine 'Kyiv Polytechnic Institute'
09/2019 – 12/2020 Master's degree, Telecommunication Systems and Networks,
Kyiv, Ukraine National Technical University of Ukraine 'Kyiv Polytechnic Institute'
Languages
English Ukrainian
(Intermediate) (Native)
[
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Kyiv, Ukraine yatsyshyn-489695182/
Profile
DevOps Engineer with 5+ years of experience in IT operations, including 3+ years focused on cloud-native infrastructure.
Specialist in building reliable AWS environments, managing Kubernetes at scale, and implementing GitOps practices. Strong
advocate for automation and observability to ensure system stability and cost-efficiency.
Technical stack
Cloud & Infrastructure: AWS (EKS, ECS, EC2, S3, RDS/Aurora, DynamoDB, Lambda, ElastiCache, VPC, IAM, CloudWatch,
•
Secrets Manager).
Infrastructure as Code: Terraform, Terragrunt (modular, multi-environment setups).
•
Containers & Orchestration: Kubernetes, Amazon EKS, Amazon ECS, Docker, Helm.
•
CI/CD & GitOps: GitHub Actions, Argo CD, Jenkins, TeamCity.
•
Observability & Logging: Prometheus, Grafana, Loki, Tempo, OpenTelemetry, ELK/OpenSearch.
•
Languages & Automation: Python (automation scripts), Bash, SQL.
•
Networking & Security: Service Mesh (Istio), Load Balancing (ALB/NLB), RBAC, IAM Policies.
•
Professional Experience
01/2023 – Present airSlate, DevOps Engineer
Designed and maintained a high-availability AWS infrastructure across 5 regions and multiple
•
accounts, ensuring disaster recovery and compliance.
Managed and operated 10+ Kubernetes clusters (Amazon EKS), migrated 50+ services to
•
Kubernetes.
Designed modular Terraform infrastructure for multi-environment setup.
•
Automated application delivery using ArgoCD and Helm, implementing GitOps best practices.
•
Improved CI/CD workflows (GitHub-based pipelines).
•
Implemented monitoring and observability solutions (Grafana, OpenTelemetry).
•
Ensured system reliability, scalability, and security best practices.
•
Supported high-load production environments and incident response processes.
•
08/2021 – 01/2023 airSlate, Technical Support Engineer (DevOps team)
Provided technical support for a large-scale microservices architecture consisting of 1,000+
•
services across 30+ AWS accounts.
Assisted with CI/CD pipelines and containerized workloads.
•
Diagnosed complex issues in production and staging environments.
•
Worked closely with engineering teams to resolve infrastructure issues.
•
01/2018 – 07/2021 Wnet, Telecommunications Engineer
Managed NAT and DHCP servers.
•
Monitored network health using Zabbix, Nagios, Grafana, and Kibana.
•
Configured L2/L3 hardware (Juniper, Cisco, D-Link, MikroTik).
•
Administered UNIX-based operating systems. Troubleshooted problems with Linux servers.
•
Education
09/2015 – 07/2019 Bachelor’s degree, Telecommunication Systems and Networks,
Kyiv, Ukraine National Technical University of Ukraine 'Kyiv Polytechnic Institute'
09/2019 – 12/2020 Master's degree, Telecommunication Systems and Networks,
Kyiv, Ukraine National Technical University of Ukraine 'Kyiv Polytechnic Institute'
Languages
English Ukrainian
(Intermediate) (Native)
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The candidate's resume is posted at https://www.work.ua/resumes/17435853/