Oleh

Oleh Kalashnyk
DevOps Engineer

CONTACT: PROFILE
[відкрити контакти](див. вище в блоці «контактна інформація») Passionate about infrastructure, automation, and modern cloud
[відкрити контакти](див. вище в блоці «контактна інформація») technologies. I enjoy turning complex infrastructure challenges into

Warsaw reliable, automated solutions while continuously exploring new tools

okalashnyk.com and approaches.

MY PROJECTS
SKILLS:
PRITUNL VPN INFRASTRUCTURE
AWS
AWS · Terraform · Pritunl · Linux · Networking
Terraform
Deployed a secure Pritunl VPN infrastructure on AWS using
GitHub
K8s Terraform, configuring networking, security groups, routing and
CI/CD access policies
Jenkins HIGH-AVAILABILITY WEB APPLICATION ON AWS EKS
Networking / TCP/IP
AWS · EKS · Kubernetes · Terraform · Docker · Helm · GitHub
DNS Actions · ALB · Route 53 · HPA · CloudWatch
Karpenter
Built a highly available EKS infrastructure with nodes across

EDUCATION: multiple Availability Zones and automated infrastructure
provisioning and application deployment using Terraform and
NATIONAL AEROSPACE UNIVERSITY
GitHub Actions.
«KHARKIV AVIATION INSTITUTE»
2023 - 2027
EXPERIENCE
Bachelor of Engeneering
MASTER BURGER — SYSTEM ADMINISTRATOR
Dec 2024 – Feb 2026
CERTIFICATIONS Managed and maintained POS systems and terminals across

AWS Certified AI Practitioner company locations.
AWS Certified Solutions Architect – Configured and maintained local network infrastructure at
Associate individual locations.
AWS Certified Advanced Networking – Created and managed employee user accounts and access
Specialty permissions.
Installed, configured, and maintained workstations, terminals, and
LANGUAGE:
related IT equipment.
English (B1) Troubleshot hardware, software, network, and POS-related issues.
Polish (B1) Provided technical support to employees and ensured reliable day-
Ukranian (C1) to-day IT operations.