Aliia

A LIIA S IRKO
Junior DevOps Engineer · Odesa, Ukraine
[open contact info](look above in the "contact info" section) · [open contact info](look above in the "contact info" section) · t.me/aliia sirko

E DUCATION
ODEKU (Odesa State Environmental University) Odesa, Ukraine
Bachelor’s Degree in Computer Science 2018 – 2021

S KILLS
English: Upper Intermediate
Programming: POSIX Shell, Python, PowerShell, Node.js/JavaScript, Nix
Linux: RHEL, Ubuntu, NixOS, Alpine Linux
Containers: Docker, Podman, systemd-nspawn, cgroups
Virtualization: KVM, VMware, Hyper-V
Orchestration: Terraform, Kubernetes, Ansible, Nix
Networking: iptables/nftables, route, DNS, SSH, SMTP, nginx, Consul, Traefik
CI/CD: GitHub, GitLab, Drone, Jenkins
DB: PostgreSQL, ElasticSearch, MySQL, MongoDB
Monitoring: Grafana, Prometheus, Loki, alertmanager, ELK stack
Providers: AWS, Hetzner, bare metal, on-premises

E XPERIENCE
Freelance Consulting, Python, Node.js/JavaScript, Linux Aug 2023 – now
• Consulted customers on software development and systems architecture issues

• Troubleshooted existing Linux machines and built new infrastructures

• Developed full stack projects using Python and Node.js/JavaScript

SelfPrivacy NixOS, Podman, Python, Flutter, GitHub CI/CD, Grafana Jun 2022 – May 2023
• Project abstract: manage your NixOS server and services with no code nor operations with a Flutter application

• Designed and built an automated NixOS infrastructure, more durable and manageable than traditional ones

• Maintained a centralized NixOS system configuration and own Nix Flake packages

• Created a secure, isolated, and rootless CI/CD pipeline with Podman containers

• Built, packaged, signed, and delivered to all targets: web, desktop, and mobile (Android, iOS)

• Tested using continuous integration for Flutter and NixOS applications on various cloud providers

• Monitored infrastructure stability and metrics via Grafana and Prometheus

• Wrote developer and user-facing documentation

Inner Equinox RHEL, Podman, Kubernetes, Ruby, Elixir, PHP, Python, GitLab CI/CD, Grafana Dec 2020 – Jan 2022
• Project abstract: distributed social messaging systems using standard W3C protocols (ActivityPub, ActivityStreams,

WebFinger), a Matrix service, and a community wiki
• Took the project in its insufficient Docker + docker-compose.yml state

• Migrated to Ansible orchestration of Podman containers, reducing maintenance cost

• Integrated new services on demand and maintained stability of the remaining ones

• Managed huge PostgreSQL and ElasticSearch databases for the messaging systems

• Managed and migrated a legacy MySQL database to PostgreSQL for the wiki

• Built development and deployment infrastructure with GitLab CI/CD/CR

• Migrated heavy-loaded services on Kubernetes cluster, greatly improving resource management

• Monitored infrastructure stability and metrics with Grafana and Prometheus

• Wrote developer and user-facing documentation