Linux Administrator

International fintech holding Quadcode is looking for an experienced Linux Administrator for the Operations team. Remote or hybrid in locations with an office (St. Petersburg/Cyprus). Salary: 200,000 - 450,000 RUB.

You will work with a large-scale private cloud infrastructure based on OpenStack and Kubernetes. Responsibilities: • Administer and maintain Linux infrastructure: 2,000+ virtual machines and 500+ physical servers • Work with PostgreSQL and Greenplum, including performance and reliability troubleshooting • Support KeyDB, ClickHouse, and Kafka • Configure and maintain Nginx, Jenkins, GitLab CI, DataHub, Allure, and Airflow • Automate infrastructure tasks using Ansible, Python, and Bash • Work with Docker and Kubernetes, including deploying applications via Helm

• 3+ years of Linux Ubuntu administration • Good understanding of Linux internals, networks, system services, and troubleshooting • Experience administering PostgreSQL and/or Greenplum • Docker, Kubernetes, infrastructure automation with Ansible • Python and/or Bash scripts • Experience with AWS and OpenStack • Experience with CI/CD, especially GitLab CI and/or Jenkins • Experience with Prometheus, Grafana • English B1+ for technical documentation and written communication Nice to have: • Experience with AWS SageMaker • Experience with high-load distributed systems • Experience with PCI DSS

Remote or hybrid in locations with an office (St. Petersburg/Cyprus). Salary: 200,000 - 450,000 RUB on hand.