Денис

DENIS GRIGORYEV
DEVOPS ENGINEER
[open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | Ukraine

PROFESSIONAL SUMMARY
DevOps Engineer with experience in AWS cloud infrastructure, Kubernetes platforms, CI/CD automation, infrastructure as code,
monitoring and logging. Worked with fully AWS-based systems, on-premises Kubernetes clusters, and AWS EKS environments.

CORE SKILLS
Cloud AWS EKS, ECS (Fargate and EC2), Lambda, RDS, CloudFront, API Gateway, Cognito, IAM, Route 53,
CloudWatch
Kubernetes Kubernetes, AWS EKS, Argo CD, Helm, Rancher
CI/CD GitHub Actions, Jenkins, GitLab CI
Infrastructure as Code Terraform, Ansible, Packer
Monitoring and Logging Prometheus, Grafana, Zabbix, ELK/EFK, LGTM
Databases PostgreSQL, MySQL, Microsoft SQL Server, MongoDB (basic)
Other Docker, Docker Compose, Bash, Python, Linux, Cloudflare

PROFESSIONAL EXPERIENCE
K&C — DevOps Engineer 2020 – 2026
Project 1 — AWS cloud platform
• Supported a platform hosted entirely in AWS.
• Worked with AWS Lambda, RDS, CloudFront, ECS using Fargate and EC2 launch types, and Cloudflare.
• Maintained CI/CD processes using Jenkins.
Project 2 — Kubernetes platforms
• Deployed and maintained on-premises Kubernetes clusters using Kubespray.
• Worked with AWS EKS environments.
• Maintained deployment workflows using GitHub Actions and Argo CD.
Additional technologies used at K&C
• Terraform, Ansible, Packer, Helm, Prometheus, Grafana, Zabbix, ELK, PostgreSQL, MySQL, Microsoft SQL Server and MongoDB.
EFSOL — DevOps Engineer 2019 – 2020
• Worked with Docker and Docker Compose, on-premises and hosted GitLab, and GitLab CI/CD.
• Implemented and maintained Kubernetes environments on premises and in OVH hosting.
• Used Kubespray, Ansible, Traefik, cert-manager, OpenEBS, Prometheus Operator, EFK stack and Helm charts.
• Installed and implemented SonarQube; worked with containerized 1C and Vanessa Automation.
EFSOL — Head of IP Telephony Implementation and
2011 – 2019
Maintenance Department
• Managed a team of six employees.
• Administered Linux, Asterisk, Avaya IP Office, Windows Server services, network equipment, Hyper-V and VMware.
• Worked with Microsoft SQL Server and MySQL and participated in sales and marketing processes.
• Applied ITIL principles when building IT support processes.

EDUCATION
Ukrainian Academy of Banking 2006 – 2011
Master’s degree in Economic Cybernetics, Faculty of Banking. Diploma with honours.
Sumy State University 2023 – present time
PhD program

TRAINING AND CERTIFICATES
• DevOps for System Administrator — 2019
• Installation and Maintenance of Avaya IP Office — 2018
• First Certificate in English (FCE) — 2012

LANGUAGES
Ukrainian and Russian — fluent; English — intermediate.
Denis Grigoryev | DevOps Engineer