Big Data Administrator

We are seeking an experienced Big Data Administrator to support, maintain, and enhance enterprise Big Data platforms. The successful candidate will be responsible for ensuring the availability, performance, security, and scalability of critical data infrastructure supporting analytics, reporting, and real-time data processing. Key Responsibilities Administer and support Big Data platforms including Hadoop, Kafka, MongoDB, Redis, OpenSearch/Elasticsearch, Apache NiFi, and AWS EMR. Monitor, maintain, and optimize platform performance, availability, and reliability. Troubleshoot production issues, perform root cause analysis, and support incident resolution. Manage platform lifecycle activities including provisioning, upgrades, patching, scaling, and decommissioning. Implement and maintain security controls, access governance, and authentication mechanisms such as Kerberos. Collaborate with infrastructure, development, architecture, and project teams to support new initiatives and platform improvements. Develop operational documentation, runbooks, and technical best practices. Support high-availability environments and contribute to continuous service improvement initiatives. Requirements Bachelor's degree in computer science, Information Technology, Engineering, or a related discipline. Minimum 6 - 8 years of experience in Big Data Administration or Data Platform Engineering within enterprise environments. Strong hands-on experience with: Hadoop Ecosystem (HDFS, YARN, MapReduce, HDP) Apache Kafka MongoDB and Redis Administration OpenSearch / Elasticsearch Apache NiFi AWS EMR and AWS Cloud Services Strong Linux administration and scripting skills (Shell/Python). Experience with data security, access governance, and Kerberos authentication. Experience supporting high-volume, low-latency production environments. Strong analytical, troubleshooting, communication, and teamwork skills. Interested applicants please send your resume in MS Words format to prasant.sirohi@ambition.com.sg and attention to Prasant Sirohi (R22106307) Shortlisted candidates will be notified www.ambition.com.sg EA Registration Number: R22106307 Datap rovided is for recruitment purposes only Business Registration Number: 200611680D. License Number: 10C5117