Senior Big Data Engineer - Hadoop & Data Lake Ops

Capgemini; Almada; On-site; EUR 60,000 - 90,000; Full time

Job summary

Inetum is seeking a seasoned Big Data Engineer to join our team and support Hadoop-based data lake environments. This role focuses on ensuring performance, reliability, and security of our large-scale data infrastructure.

You will operate, monitor, and optimize Hadoop platforms, implement incident response, and develop monitoring and automation. Collaboration with data and platform teams will onboard new workloads with efficient resource allocation while maintaining strong access control and

Qualifications

• Bachelor’s degree in Computer Science or equivalent.
• Minimum 5 years of experience in a similar role.
• Strong expertise in Hadoop Ecosystem & Data Lake Operations, Big Data Services & Query Engines, Security & Access Control in Distributed Environments, Monitoring, Automation & Platform Lifecycle Management.

Responsibilities

• Operate, monitor, and support Hadoop-based data lake platforms.
• Provide L3 incident response, deep troubleshooting, and performance tuning for big data components.
• Ensure data integrity, replication, and capacity management within HDFS clusters.
• Develop and automate monitoring and alerting for service health and node performance.
• Collaborate with platform and data teams to onboard new workloads with optimal resource allocation.
• Apply patches, upgrades, and configuration changes to maintain platform security and stability.
• Manage Kerberos authentication, Ranger/Sentry policies, and TLS encryption.
• Work with storage, network, and security teams to optimize throughput and access controls.
• Maintain cluster documentation and share knowledge across teams.

Skills

Hadoop ecosystem & data lake ops

Big data services & query engines

Security & access control in dist envs

Monitoring & automation

Education

Bachelor’s degree in Computer Science or equivalent

Tools

Kafka

NiFi

Flume

ITIL

Job description

Inetum is seeking a seasoned Big Data Engineer to join our team and support Hadoop-based data lake environments. This role focuses on ensuring performance, reliability, and security of our large-scale data infrastructure.

You will operate, monitor, and optimize Hadoop platforms, implement incident response, and develop monitoring and automation. Collaboration with data and platform teams will onboard new workloads with efficient resource allocation while maintaining strong access control and