Database Administrator

OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa.

Who We Are

At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.

About The Opportunity

We are looking for a Database Administrator who will contribute to the design, deployment, optimisation, and full lifecycle management of enterprise-level cloud database platforms. You will implement multi-cloud architectures for Alibaba Cloud and AWS databases, ensuring high availability, high performance, and cost optimization.

What You’ll Be Doing

• Execute end‑to‑end database operations, including backup and recovery, monitoring and alerting, health checks, capacity planning, release support, lifecycle management, and operational documentation, ensuring database platforms meet business requirements for stability, performance, and availability.
• Drive database reliability and performance optimisation, including SQL tuning, index optimisation, schema review, workload analysis, slow‑query analysis, and root‑cause investigation for production incidents.
• Implement database security and governance controls, including access management, privilege review, audit logging, encryption, data masking, vulnerability remediation, and security baseline enforcement.
• Maintain, and regularly validate database backup, recovery, and disaster recovery solutions, including RPO/RTO planning, restore testing, cross‑region/cross‑zone replication, failover drills, and emergency recovery procedures.
• Deliver database migration, scaling, sharding, read/write splitting, high availability, and data distribution solutions for business‑critical systems.

What We Look For In You

• Bachelor’s degree or above in Computer Science or a related field, with 4+ years of database management experience and 2+ years of cloud platform (Alibaba Cloud / AWS) experience.
• Proficiency in relational, NoSQL, and distributed database architectures; familiar with high‑availability designs and proven experience delivering them in production.
• Deep understanding of mainstream database engine internals; strong hands‑on database design, capacity planning, and architecture governance capabilities.
• Proficient in database performance tuning and optimisation; experienced operating databases at high concurrency and large‑scale data volumes. Hands‑on experience with MySQL, PostgreSQL, Redis, MongoDB, Elasticsearch, HBase, and Kafka.
• Strong Linux/Unix system administration skills, with proficiency in Python and Shell scripting; familiarity with Perl or PHP is a plus.

Perks & Benefits

• Competitive total compensation package
• L&D programmes and Education subsidy for employees' growth and development
• Various team building programmes and company events
• Wellness and meal allowances
• Comprehensive healthcare schemes for employees and dependants
• More that we love to tell you along the process!