System Administrator – Mid to Senior Level

About the role

You will tackle complex challenges and maintain a high‑scale infrastructure handling over 60 PB of monthly data traffic. Join the Oxy DC team, a small, close‑knit group working with cloud, ClickHouse, Golang, Kafka and more.

Key responsibilities

• Configure, automate and test private‑cloud and remotely hosted infrastructure.
• Scale infrastructure to meet growing data‑traffic demands.
• Implement monitoring, auditing and alerting for all systems.
• Maintain security, compliance and apply latest patches and protocols.
• Troubleshoot infrastructure incidents and outages.
• Stay up‑to‑date with emerging infrastructure tools and technologies.

Required profile

• Strong understanding of Linux‑based systems and servers.
• Hands‑on experience with automation/configuration tools such as Ansible or SaltStack.
• Proficiency with container platforms like Docker and Kubernetes.
• Familiarity with databases, especially MySQL and Redis‑style key‑value stores.
• Ability to prioritize high‑impact work and deliver results.

Required skills

• Linux
• Ansible
• SaltStack
• Docker
• Kubernetes
• MySQL
• Redis
• Python
• Bash
• Go
• Kafka / Redpanda
• RabbitMQ
• HAProxy
• ClickHouse
• Ceph
• Elastic / Grafana

What we offer

• Gross salary ranging from €3,000 to €6,300 per month, negotiable based on experience.
• 40+ internal learning options, external conferences, mentorship and knowledge‑sharing.
• Private health insurance, psychotherapy support, on‑site well‑being consultants, 24/7 gym access and a wellness app.
• Team events, overseas workations, quarterly team‑building budgets and additional vacation days.