Develop and evolve infrastructure architecture to ensure stability, scalability, and high availability
Build and automate CI/CD pipelines using GitLab, Ansible, and Terraform
Maintain and optimize Linux systems for high‑load environments, including kernel tuning and network performance adjustments
Configure and improve monitoring systems (Zabbix, Grafana), including custom templates, auto‑discovery, and alerting logic
Manage and optimize VPN technologies such as StrongSwan, OpenVPN, and Xray
Analyze complex incidents, identify root causes, and implement long‑term fixes
Ensure infrastructure security through access control, firewall management, updates, and 2FA
Collaborate with development and QA teams in a distributed environment
Participate in architectural decisions and guide the team through best practices
Core Skills and Expertise
Scripting: Bash, sed, awk; Go or Python for tooling and automation
Virtualization: Proxmox, Docker, Portainer
Networking: firewalls (nftables/iptables), routing, PBR, VLANs, GRE/IPIP tunnels, tun/tap, veth, bridges
Databases: PostgreSQL or MySQL (schema design, optimization, replication basics)
Automation: Ansible, Terraform
Cloud: AWS, Cloudflare, Hetzner
Logging: Elastic Stack, OpenSearch, Vector, Promtail, Loki
Kubernetes on bare metal: deployment, CNI, storage, operations
Secrets management: Infisical