Senior Database Administrator

BTSETaipei, TaiwanOn-siteFull-timeMid level, 2–5 yearsListed 3 weeks ago

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About this role

We are looking for an experienced Database Administrator with deep PostgreSQL expertise and hands-on experience automating database deployment, monitoring, and performance tuning on Data Center  and AWS. You will be part of the core infrastructure team responsible for scaling and maintaining BTSE’s mission-critical database systems that power our trading and analytics platforms. This role offers the opportunity to design, automate, and optimize high-availability PostgreSQL clusters while ensuring reliability, minimal downtime, and strong observability across production environments operating 24/7.

Responsibilities

- Design, deploy, and maintain PostgreSQL clusters in AWS environments using Infrastructure as Code (IaC) tools.

- Develop automation for provisioning, configuration management, and monitoring of PostgreSQL databases.

- Perform regular database maintenance including vacuuming, reindexing, and analyzing statistics to ensure peak performance.

- Identify, analyze, and optimize slow SQL queries and workloads to improve efficiency and throughput.

- Build resilient, high-availability database architectures that minimize downtime during upgrades, maintenance, and failovers.

- Implement robust backup, recovery, and disaster recovery strategies to guarantee data integrity and uptime.

- Support and monitor 24/7 production systems, participating in incident response and root cause analysis when needed.

- Collaborate with SRE, DevOps, and engineering teams to improve scalability, performance, and CI/CD integration for database operations.

Requirement

- 4+ years of experience managing PostgreSQL databases in production environments.

- Strong knowledge of SQL query optimization, indexing strategies, and PostgreSQL performance tuning.

- Proven ability to design and maintain highly available, fault-tolerant systems with minimal or zero downtime.

- Experience supporting mission-critical 24/7 systems in production, with on-call or incident response participation.

- Hands-on experience with AWS services such as EC2, RDS, EBS, S3, and IAM.

- Solid understanding of PostgreSQL replication, PITR (Point-in-Time Recovery), and HA solutions (Repmgr,Patroni, ProxySQL, or similar).

- Experience automating infrastructure using Terraform, Ansible, or similar tools.

- Proficiency in Linux systems administration and scripting (Bash, Python, or Go).

Nice to Haves

- Familiarity with observability and alerting stacks (Prometheus, Loki, Grafana, CloudWatch).

- Exposure to additional database systems such as ClickHouse or TimeScale Postgres.

- Experience building internal automation or self-healing tools for query analysis and database management.

Perks & Benefits

- Competitive total compensation package

- Various team-building programs and company events

- And many more! Apply and let us tell you more!

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