Muse Group (Ultimate Guitar, MuseScore, Audacity) is looking for a DevOps Engineer to join the infrastructure team to build and maintain the infrastructure that powers reliable product delivery at scale. Based in Cyprus or fully remote.

You will help ensure that engineering teams can ship faster, systems stay stable, and customers receive a seamless experience. In this role, you will own and improve the platforms, automation, and processes behind our development lifecycle — from deployment pipelines and infrastructure reliability to monitoring and operational excellence. You will work closely with the client team and impact how quickly we deliver new features and how confidently we can run our products in production.

We are actively integrating AI and automation into all areas of the business and are looking for candidates with a mindset focused on improving efficiency, automating repetitive processes, and delivering a better user experience.

Key responsibilities

Own and operate CI/CD pipelines (Jenkins, GitHub Actions) and the self-hosted runner fleet (Linux/macOS/Windows); keep deploys and rollbacks reliable and fast.
Operate Kubernetes (Hetzner) and Helm-managed services; containerize and ship services with Docker.
Operate and recover the data layer: MySQL/Percona XtraDB (multi-region replication), ClickHouse, Redis/Memcached, Kafka.
Own the network/edge layer: nginx load balancing, Cloudflare/CDN, DNS, TLS certificates.
Maintain the observability stack (self-hosted Sentry, Prometheus/Grafana, Graylog) and run its migrations.
Maintain build infrastructure for mobile/desktop apps
Serve as infrastructure on-call: incident response, coordination, and root-cause analysis.
Use AI tooling to accelerate configuration, automation, diagnostics, and documentation.

Requirements

Production CI/CD: Jenkins + GitHub Actions.
Kubernetes + Helm; Docker.
Strong Linux administration; nginx; operating PHP/php-fpm applications.
MySQL/Percona XtraDB: replication, recovery, troubleshooting.
Configuration management with Ansible.
Scripting: Bash + (Python or PHP).
CDN/Cloudflare or other S3-compatible storage experience.
MacOS/iOS builds (fastlane, certificates, provisioning, DSYM), Android builds.
Nexus or other private registries.
On-call / incident-management experience.
Practical, daily use of AI coding/ops assistants.

Nice to have

ClickHouse, Redis/Memcached, Kafka, ZooKeeper.
Self-hosted Sentry, Prometheus/Grafana, DataDog
Multi-region infrastructure; Go (for tooling/exporters)