Banking Sector | Big Data Platform Administrator
This role requires hands-on expertise in maintaining and optimizing large-scale Hadoop-based data lakes for a financial institution, with a focus on troubleshooting, security, and automation. The ideal candidate will balance operational stability with proactive improvements to ensure seamless data integrity and platform reliability.
Skills required
About this role
We are looking for a Big Data Platform Administrator to operate and maintain large-scale Hadoop-based data lake environments for a leading financial services organization.
Responsibilities:
- Operate, monitor, and support Hadoop-based data lake platforms;
- Provide incident response, deep troubleshooting, and performance tuning across big data components;
- Ensure data integrity, replication, capacity management, and resource allocation within HDFS clusters;
- Develop, maintain, and automate monitoring and alerting for platform services and node health;
- Support onboarding of new workloads in collaboration with platform and data teams;
- Apply patches, upgrades, and configuration changes to maintain cluster stability and security;
- Manage authentication, authorization, and encryption: Kerberos, Ranger/Sentry, TLS;
- Work closely with storage, network, and security teams to optimize throughput, access controls, and backup strategies;
- Maintain platform documentation and contribute to knowledge sharing.
Qualifications
- Minimum 5 years of experience in Big Data / Hadoop platform administration;
- Bachelor’s degree in Computer Science or equivalent;
- Strong knowledge of Hadoop, Cloudera, YARN, Kafka;
- Solid expertise in Linux, JVM tuning, system-level troubleshooting, and distributed environments;
- Experience with PostgreSQL / SQL databases;
- Automation skills using Ansible, Python, Java;
- Strong background in Kerberos, cryptography, and access control policies;
- Understanding of microservices architectures and on-premise deployments;
- Fluency in English (mandatory);
- Experience in banking or regulated environments is a plus.
Additional Information
Devoteam Group works for equal opportunities, promoting its employees based on merit and actively fights against all forms of discrimination. We are convinced that diversity contributes to the creativity, dynamism and excellence of our organization. All of our vacancies are open to people with disabilities.
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