Elk Performance Analyst

Elk Performance Analyst
Viseu
Viseu, Viseu District, Portugal

Main tasks:

• Operate, monitor, and support Cloudera/Hadoop-based infrastructure in production environments.
• Provide L3 incident response, deep troubleshooting, and performance tuning for big data components.
• Automate operational tasks using Python and Ansible (monitoring, alerting, deployment, configuration management).
• Ensure data integrity, replication, and capacity management within HDFS clusters.
• Develop, maintain, and automate monitoring and alerting for key services and node health.
• Work closely with platform and data teams to onboard new workloads, ensuring proper resource allocation and performance.
• Apply patches, upgrades, and configuration changes to maintain security and stability of the big data environment.
• Manage Kerberos-based authentication, Ranger/Sentry policies, and TLS encryption.
• Collaborate with storage, network, and security teams to optimize throughput, access controls, and backup strategies.
• Maintain cluster documentation and provide knowledge sharing.

Technical Skills:

- Linux System Engineering & Operations

- Automation (Python, Ansible)

- JVM & Middleware Troubleshooting

- Supervision and diagnostics of Linux servers (CPU, RAM, disks)

- Storage management for distributed systems (SAN/NAS, RAID, HDFS capacity)

- Cloudera/Hadoop Ecosystem (can be acquired via training*)

Language Skills:

- Fluent in English