Кирил

CV [open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section)

Personal Information
Name Kolesnychenko Kyryl
Date and Place of Birth 21.01.2004 in Kharkiv, Ukraine

Address Zh.K. Chaika 50B, Primorski
District, 9005, Varna, Bulgaria

Nationality Ukrainian
Email: [open contact info](look above in the "contact info" section)
Phone: [open contact info](look above in the "contact info" section)
Additional Information eligible to work throughout EU
About me

Junior DevOps Engineer with a background in system administration and strong
interest in cloud infrastructure and automation.
Focused on building reliable infrastructure, automating deployments, and improving
system stability. Recently completed DevOps training and actively looking for an
opportunity to gain practical experience and grow as a DevOps engineer.
Strengths
Learning & Growth
- Fast learner with strong motivation to develop DevOps and cloud engineering
skills
- Continuously improving through labs, personal projects, and documentation
Collaboration
- Good communication skills and experience supporting technical teams
- Comfortable working in team environments and learning through code reviews
Automation & Reliability
- Interested in Infrastructure as Code, CI/CD pipelines, and monitoring systems
- Focused on building reproducible and stable environments
Experience
03/2024 – 09/2025 System Administrator
R3 Group of Companies, Kyiv, Ukraine

- Administered Linux (Ubuntu) and Windows servers, ensuring
stable performance and secure operation of production systems
- Managed and maintained web infrastructure based on the LEMP
stack (Linux, Nginx, MySQL, PHP) used for internal services and
web applications
- Installed, configured, and optimized Nginx web servers, including
reverse proxy configuration
- Monitored infrastructure health and service availability using system
logs and monitoring tools, proactively identifying performance issues
- Automated routine administrative tasks using Bash scripts, reducing
manual operational workload
- Implemented and maintained backup and recovery procedures,
ensuring data integrity and fast restoration of services
 CV [open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section)
- Performed incident troubleshooting related to web services,
networking, and database connectivity

06/2022 – 01/2023 System Administrator
Nexora, Kyiv, Ukraine

- Maintained Linux and Windows servers, performing system updates,
patch management, and basic server configuration
- Managed DNS services and domain configurations to ensure reliable
internal and external connectivity
- Monitored server health and system performance, identifying and
resolving operational issues
- Configured basic network infrastructure, including firewall rules and
internal network services
- Managed user accounts, permissions, and access control policies
- Maintained backup systems and data protection procedures
- Assisted with troubleshooting infrastructure and network-related
issues

Education
09/2021 – 06/2025 Bachelor degree
Specialty: Information Systems and Technologies Kharkiv
National University of Radio Electronics, Ukraine

Languages
- English: B1
- Ukrainian: Native
- Russian: Native

Technical Skills
Cloud & DevOps AWS, Kubernetes, Docker, Terraform, Ansible CI/CD
& GitOps GitHub Actions, GitLab CI, Git,
Monitoring & Security Prometheus, Grafana, CloudWatch, HashiCorp Vault
Operating Systems Linux (Ubuntu, CentOS), Windows, Bash, PowerShell
Networking Nginx, VPN, Memcache, Apache Tomcat, VPC
Programming Python, Bash, C++