ResponsibilitiesPlatform Operations Operate and administer Cloudera CDP/Hadoop (HDFS, Hive, Spark, Kafka, Airflow) and Cloudera Manager in production. Perform daily health checks, patching, upgrades, capacity & performance tuning; verify backups and DR procedures. Monitoring & Security Build and maintain dashboards/alerts for cluster, jobs, and services (e.g., Cloudera Manager, Prometheus/Grafana). Manage Kerberos, Ranger, and certificate/TLS; enforce IAM, auditing, and compliance with customer security policies. Conduct log analysis and root cause investigations; reduce incident noise through better thresholds and correlations. Infrastructure as Code (IaC) & Automation Codify routine operations with Ansible and scripting (Python/Bash); contribute to reliable runbooks. Automate provisioning, configuration, and recurring operational tasks; support API based interactions with Cloudera. Operational Support Handle incidents, service requests, and changes via defined ITIL workflows; contribute to reports and service reviews (ITMR). Collaborate with BI/Application and Monitoring teams (e.g., SAP BO/TM1/Data Services) to ensure end to end service quality. Benefits Motivizer Benefits Platform to choose and manage all your benefits in one place. You receive a budget (550 PLN monthly). You can choose medical care package, meal tickets, sports cards (we have Multisport and on preferential terms, we have membership cards to one of the most popular Gyms), cinema tickets, shop vouchers, discounts and many more. Language Courses – you'll have access to a multi-language learning platform enabling you to practice you language skills and learn new ones! Regular and systematic further training opportunities - both internally and from external providers. We support your ongoing learning and development. Cooperation within  an internal community is our everyday reality. We have networking events, coding challenges, and company parties for different occasions. Qualifications University degree in Computer Science, IT, or a related field. Strong, practical experience operating Cloudera CDP/Hadoop platforms (HDFS, Hive, Spark, Kafka, Airflow) and Cloudera Manager. Solid Linux administration (Shell/Bash), fundamentals of networking/storage/resource management. Security know‑how: Kerberos, Apache Ranger, TLS/SSL certificates, IAM and audit. Automation skills with Ansible and scripting (Python/Bash); exposure to containers (Docker/Podman) is a plus. Experience with monitoring/alerting (e.g., Cloudera Manager, Prometheus, Grafana). Familiarity with ITIL and SLA‑based operations; clear documentation and troubleshooting skills. Nice to have: Cloudera Administrator, Linux (RHCSA/RHCE), ITIL v3/v4 Foundation. Very good communication skills in English and Polish complete your profile. German or Czech: a plus. Additional languages are welcome. You are open to work in a hybrid mode, with 2-3 days at our office in Katowice About Red ReplyRed Reply specializes in Oracle Cloud Infrastructure technology with a focus on IaaS and PaaS solutions and offers Cloud Strategy and Migration, Cloud Application Development, Cloud Service Management, as well as Application Service Management and Operations. Red Reply is one of the first Oracle Cloud Managed Service Providers (MSP) in Europe.