Yuriy

Yuriy Mishchuk
DevOps Engineer | AWS & Linux Infrastructure
[open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | github.com/Xandane | Telegram

SUMMARY
DevOps Engineer with commercial experience in AWS cloud infrastructure, Linux administration and CI/CD automation.
Hands-on with core AWS services (EC2, VPC, ELB, S3, IAM, Route 53, CloudWatch, RDS), network access control
through Security Groups, containerization with Docker, infrastructure as code with Terraform and monitoring with
Prometheus and Grafana. Solid grounding in networking (TCP/IP, DNS, HTTP/HTTPS) and Linux (systemd, services,
processes, logs, permissions). Structured approach to troubleshooting and full ownership of tasks from investigation to
resolution. Focused on continuous growth in cloud infrastructure and automation.

TECHNICAL SKILLS
Networking TCP/IP, DNS, HTTP/HTTPS, SSH, Nginx (web server, reverse proxy)
Linux Ubuntu, CentOS; systemd/systemctl, journalctl, processes and services, users and permissions
AWS EC2, VPC (subnets, Security Groups, route tables), Elastic Load Balancing, S3, IAM (users, groups,
roles, policies), Route 53, CloudWatch, RDS
Other clouds Azure (basic), GCP (basic)
Containers Docker, Docker Hub; Kubernetes and Helm (basic)
IaC / Config Terraform, Ansible (basic)
CI/CD GitHub Actions, Jenkins
Monitoring Prometheus, Grafana
Scripting Bash, Python (basic)
Databases PostgreSQL, MySQL, MongoDB (basic)
Version control Git, GitHub
Process Agile / Scrum

EXPERIENCE
CloudForge
DevOps Engineer 2025 – Present
• Configured AWS Security Groups: created and updated inbound and outbound rules for ports, protocols and source
IP ranges (CIDR) to control access to EC2 instances and services.
• Reviewed and cleaned up Security Group rules to restrict unnecessary open ports and follow the least-privilege
principle.
• Supported Linux servers (Ubuntu, CentOS): managed services with systemd, checked logs with journalctl, handled
processes, users and permissions.
• Configured Nginx as a web server and reverse proxy.
• Troubleshot network and access issues using TCP/IP, DNS and HTTP/HTTPS diagnostics.
• Built and ran Docker containers for applications; assisted with deployments to Kubernetes using Helm.
• Wrote and maintained Terraform configurations for provisioning AWS infrastructure.
• Supported and improved CI/CD pipelines in GitHub Actions and Jenkins that run tests, build and tag Docker images
and push them to a container registry.
• Maintained technical documentation (deployment procedures, infrastructure and access information); applied
infrastructure changes through code review.
• Set up Prometheus and Grafana dashboards and alerts, used CloudWatch metrics and logs; investigated incidents
and identified root causes.
• Wrote Bash and Python scripts to automate routine operational tasks.
• Assisted with basic configuration and troubleshooting of PostgreSQL and MongoDB databases.

EDUCATION
Zhytomyr Polytechnic State University 2022 – 2025
Bachelor's Degree in Applied Linguistics

LANGUAGES
English — B2 (Upper-Intermediate)