Editorial summary

The company is seeking a Big Data Administrator to serve as a technical Level 3 resource supporting all Big Data services and production activities in Singapore. The role involves managing technical tasks, delegating issues within the team, and promoting collaboration and best practices. Candidates should have strong technical expertise in Big Data environments and experience supporting production systems. The position offers a salary of 14,000.

This summary is AI-generated and may contain inaccuracies. Please refer to the full job description below.

Job description

[This job id 21198 first appeared in Job-Q.com on 23 Jul 2026]

Summary of Position

 He/She will be a technical L3 resource for all Big Data services and will provide support for all production support activities within the Big Data team in Singapore. He/She will work with L3/Service Manager to gain control over the scope of technical activities, develop best practices and gain knowledge overall aspects of support.

Responsibilities:

As a L3 resource of his /her team, he /she:

• Takes up technical tasks and also manages delegation for technical issues within the team, animates the team to encourage collaboration and sharing of best practices,
• supports new technologies and leverages them to provide consistency of service across streams,
• proposes service improvements for all Big Data services supported throughout the organization,
• documents, reviews, maintains and shares relevant technical information within the team
• provides technical knowledge, supports services both proactively and reactively to maintain the availability and reliability of system infrastructure in accordance to the SLA,
• Actively engages during any high severity issue and drives for issue resolution
• reviews technology changes to identify potential risks,

As an experienced professional in Big Data Services, he/she:

• supports his/her team during diagnosis when technical issues rise in his/her scope of expertise,
• is aware of the global IT structure so that he/she anticipates interrelationships within the organization,
• engages with technical peer, Development team, Service managers, Architect and project teams on technology roadmap and projects,

• facilitates transformation projects and suggest future directions for new areas of improvement and change,
• guarantees the production readiness and license to operate of new projects and solutions

• is available and able to drive technically, any complex or high severity incidents that occur within the scope of their role.

Candidate profile

Mandatory track record

• Excellent working knowledge of Hadoop ecosystem (Hadoop, Hive, Pig, Oozie, Hbase, Flume, sqoop) using both automated tool sets as well as manual processes.
• Support and maintain Hadoop (HDP) clusters for batch processing, analytics, and regulatory reporting.
• Perform Hadoop cluster lifecycle management: provisioning, scaling, patching, and decommissioning nodes.
• Ensure 24x7 availability and resilience of production systems supporting payment flows.
• Manage and optimize Apache Kafka for high-throughput, real-time payment event streaming.
• Ensure data consistency and fault tolerance across streaming pipelines.
• Support Apache NiFi for ingestion pipelines from upstream payment systems and external partners.
• Work with AWS EMR for scalable processing of transaction data and reconciliation workloads.
• Administer HDFS, ensuring optimal replication, storage utilization, and fault tolerance.
• Monitor and tune MapReduce and YARN workloads to handle large-scale transaction data efficiently.
• Ensure proper configuration and validation of jobs handling payment clearing, settlement, and reporting.
• Manage OpenSearch / Elasticsearch clusters for transaction search, audit trails, and operational dashboards.
• Excellent working knowledge of Elastic Kibana and making pipelines to capture and search relevant data.
• Optimize indexing and query performance for near real-time analytics and monitoring.
• Implement Kerberos-based authentication and secure access controls across the Hadoop ecosystem.
• Manage user provisioning (Linux + Hadoop stack) ensuring least-privilege access.
• Ensure compliance with banking regulations, audit requirements, and data governance policies.
• Monitor cluster security, encryption, and network connectivity.
• Conduct capacity planning aligned with transaction growth and peak payment volumes.
• Optimize systems for low latency and high throughput, critical for digital payments.
• Identify bottlenecks and implement performance tuning strategies across platforms.
• Ensure high availability through failover mechanisms, DR strategies, and proactive monitoring.
• Develop and maintain runbooks, SOPs, and architecture documentation.
• Define and enforce best practices for cluster operations, deployments, and data pipelines.
• Contribute to continuous improvement initiatives and knowledge sharing.

Required Skills & Experience

•           8+ years of experience in Big Data / Data Platform Engineering in enterprise environments.

•           Strong hands-on experience with:

•           Hadoop ecosystem (HDFS, YARN, SPARK, MapReduce, HBase etc)

•           Apache Kafka (high-throughput environments)

•           OpenSearch/ Elasticsearch

•           Apache NiFi

•           AWS EMR +good knowledge of AWS Cloud.

•           Strong expertise in Linux system administration and scripting (Shell/Python)

•           Experience with Kerberos, data security, and access governance

•           Proven experience in handling high-volume, low-latency systems (preferably payments/trading) 

Work Schedule

• Work schedule is mainly focused to support Asia and EMEA (Paris) time zone; however, may have to support during non-office hours/weekends/public holidays for critical incidents or escalation as per the assigned on-call support requirements.

If interested, you can click on “Apply here” or write an e-mail to with your updated resume.

NOTE: - Only shortlisted candidates will be contacted back.

Thanks & Regards

Deeksha Agarwal

EA Licence No.91C2918

Personnel Registration No.  R26161520

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