Senior Data Engineer (Big Data Processing)

About the role

CSIT develops products to advance the national security interests of Singapore. We use our products in a wide range of use‑cases, including counter‑terrorism and computer network defence. We are looking for talented senior data engineers to lead and build mission‑critical products that identify, analyse and investigate threats.

Key responsibilities

• Design and build data pipelines that are scalable, robust and maintainable to ingest crucial data using cutting‑edge platforms and technologies.
• Work with product managers, engineering managers and key stakeholders to deliver impactful data products that meet our business needs.
• Optimise performance of large‑scale data pipelines for low‑latency, high‑throughput and reliability.
• Ensure data integrity, quality and governance through robust design and operational monitoring.
• Troubleshoot and resolve complex issues in critical data pipelines.
• Implement best practices in data engineering, including testing, orchestration and monitoring of data pipelines.
• Lead technical discussions with the team and key stakeholders to shape the future of our data products.
• Mentor junior data engineers and contribute to building a strong data engineering culture within the team.

Required profile

• Background in computer science or equivalent.
• 5+ years of experience in data engineering, with a strong focus on building large‑scale data pipelines.
• Proven experience in writing optimised ETL code to handle large datasets.
• Proficient in programming languages such as Scala or Java.
• Strong understanding of modern data architectures and data modelling paradigms.
• Ability to communicate technical details effectively and clearly.
• Good interpersonal, analytical and problem‑solving skills to get things done in a dynamic environment.

Required skills

• Scala or Java programming.
• Apache Spark.
• Apache Kafka.
• Hadoop ecosystem.
• Elastic stack.
• Kudu.

What we offer

• The work is purposeful and meaningful.
• You will get to work with talented and driven people.
• We work with modern technologies and tech stacks.
• We have excellent engineering culture and work‑life balance.
• We aspire for engineering and operational excellence.
• We empower innovation.