Senior DevOps Engineer

Responsibilities

Purchases and management of infrastructure hardware / services (Hetzner, Amazon, Google Cloud, LeaderGPU).

Research and testing of new big solutions (TiDB or Hazelcast).

Launch, maintenance, and monitoring of:

• Front, load balancing and mirrors (NGINX, HAProxy, ...).
• Application servers (PHP).
• Docker orchestration (Docker Swarm and Kubernetes).
• MariaDB Galera cluster.
• File storage clusters (Gluster and possibly Ceph).
• MongoDB cluster.
• Worker servers (rendering, AI, ...) — using Ansible + Docker.
• Monitoring and alerting.
• Cloud services (BigQuery, SES, ...).
• DNS and CDN.
• Caching and queue servers (Redis, Hazelcast, RabbitMQ, ...).
• Multiple datacenters and providers handling.
• Other internal services / servers (VPN, analytics, mailing, ...).
• Infrastructure as code (Ansible, Docker, Docker Swarm, Kubernetes, Gitlab CI/CD, ...).

Required knowledge of

• Linux (Ubuntu, CentOS, Debian).
• Docker (build system, Docker Swarm).
• Kubernetes.
• On-premise — how servers and their clusters work, how to set them up (database, cache, front, ...).
• Databases (SQL — MySQL / MariaDB flavor, NoSQL — MongoDB, Redis, ...).
• Networks, network protocols, settings of network elements.
• Infrastructure and configuration as code (Gitlab CI/CD, Ansible, ...).
• Scripting languages: Python, Bash.
• Best practices in security, performance, memory management, maintainability.

Welcome knowledge:

• Database administration — SQL (MySQL, PostgreSQL), NoSQL DB (MongoDB, Redis).
• Load balancing and server clusters and how to setup / manage them (HAProxy, SQL-Proxy, Envoy, Galera cluster, LVS).
• Message broker (RabbitMQ, Kafka, ...).
• Monitoring / logging — Grafana, Prometheus, Loki.
• Backup and restore (disaster plan and practice).
• VPN — WireGuard, OpenVPN.

Nice to have:

• Experience with one of the cloud systems (AWS, Google, Azure, AliCloud).
• Some knowledge of C / C++, Java, PHP, Kotlin, Swift.
• Understanding of Russian or Lithuanian languages.

What we offer

• Competitive salary — we want our team members to be comfortable and are open to any discussions.
• Freedom and responsibility in the role — we won't stand behind you pushing to work. We trust our team enough to allow people to work on their own.
• Budget for education and training — we encourage our team members to study and are ready to cover training expenses.
• An opportunity to work from Vilnius office or remotely from any place in the world.

We hope that your application will be the beginning of a long-term and mutually beneficial relationship that goes beyond a job. Fill in the form and we’ll get back to you within a working day!