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Staff Site Reliability Engineer - (Hadoop)
  • Warsaw
Staff Site Reliability Engineer - (Hadoop)
Warszawa, Warsaw, Masovian Voivodeship, Polska
Visa Technology Europe sp. z o.o.
8. 12. 2025
Informacje o stanowisku

technologies-expected :


  • Kubernetes
  • AWS

responsibilities :


  • Hadoop/Big-Data:
  • Sound knowledge on managing large scale Hadoop platforms including monitoring the platform, debugging issues, and tuning the performance of the cluster.
  • In-depth knowledge of the Hadoop ecosystem, including Zookeeper, HDFS, Yarn, HIVE, SPARK, Trino and Kafka.
  • Proven experience in debugging issues on both Hadoop platform and applications.
  • Familiarity with security tools such as Kerberos, Ranger, and active directory integrations.
  • Experience on Cloud technologies preferably AWS EMR.
  • Knowledge on Kubernetes, AI, MLOPS will be advantageous.
  • Collaboration and Teamwork:
  • Collaborate closely with L-3 teams to review new use cases and implement cluster hardening techniques, ensuring the development of robust and reliable platforms.
  • Foster cross-team collaboration, building and maintaining strong relationships with customer teams, user communities, architects, and engineering teams.
  • Work jointly on key deliverables to ensure production scalability and stability.
  • Automation: Hands-on Experience with automations using Ansible, Shell, python, or any programming languages. The ability to automate the manual tasks is key in this role.
  • Observability: knowledge on observability tools like Grafana, opera, Prometheus and Splunk.
  • Linux: understanding of Linux, networking, CPU, memory, and storage.
  • Programming Languages: Knowledge of and ability to code or program in one of python, Java or a widely used coding language.
  • Communication: Excellent interpersonal skills, along with superior verbal and written communication abilities.
  • This position is not ideal for a Hadoop developer.
  • This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager.

requirements-expected :


  • Basic Qualifications:
  • - As a Staff Site Reliability Engineer, you will play a key role in maintaining and supporting Visa’s Data Platform, ensuring the reliability and performance of critical Big Data systems.
  • - You will drive innovation for our partners and clients globally by working on open-source Big Data clusters, optimizing their availability, efficiency, and scalability.
  • Education & Experience:
  • - Master’s degree in Math, Science, Engineering, Computer Science, Information Systems, or a related field; OR
  • - Bachelor’s degree in Math, Science, Engineering, Computer Science, Information Systems, or a related field, AND a minimum of five years of relevant experience; OR
  • - A minimum of five years of experience working with Hadoop systems.
  • Preferred Qualifications:
  • - Experience in Big Data SRE and Engineering across open-source platforms such as Hadoop, Kafka, HBase, and Spark, with strong troubleshooting and debugging skills.
  • - Proven ability to conduct effective root cause analysis of major production incidents, document findings, and implement high-availability solutions for critical services.
  • - Expertise in capacity planning, system expansions, and timely upgrades to mitigate scaling challenges, while automating repetitive tasks to reduce manual effort and prevent errors.
  • - Ability to fine-tune alerting and set up observability tools to proactively identify and resolve performance issues, collaborating with Level-3 teams on use case reviews and cluster hardening.
  • - Strong documentation skills to create standard operating procedures and platform utilization guidelines, ensuring consistency and efficiency in operations.
  • - Proficiency in leveraging DevOps tools and industry best practices, including incident, problem, and change management disciplines.
  • - Commitment to ensuring Hadoop platform performance meets service-level agreements, with experience in security remediation, automation, and self-healing implementations.
  • - Experience in developing automation tools and reports to streamline processes, using technologies such as Shell scripting, Ansible, Python, or other programming languages.

  • Praca Warszawa
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