Remote Senior Database Administrator; PostgreSQL/AWS
Singapore
Listed on 2026-05-30
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IT/Tech
Database Administrator, Data Engineer, Cloud Computing
Through proprietary software and AI, along with a focus on customer delight, Sleek makes the back-office easy for micro SMEs.
We give Entrepreneurs time back to focus on what they love doing - growing their business and being with customers. With a surging number of Entrepreneurs globally, we are innovating in a highly lucrative space.
We operate 3 business segments:
Automating the company incorporation, secretarial, filing, Nominee Director, mailroom and immigration processes via custom online robots and Sleek Sign. We are the market leaders in Singapore with ~5% market share of all new business in corporations
Redefining what it means to do Accounting, Bookkeeping, Tax and Payroll thanks to our proprietary Sleek Books ledger, AI tools and exceptional customer service
Overcoming a key challenge for Entrepreneurs by offering digital banking services to new businesses
Sleek launched in 2017 and now has around 15,000 customers across our offices in Singapore, Hong Kong, Australia and the UK. We have around 500 staff with an intact startup mindset.
We have recently raised Series B financing off the back of >70% compound annual growth in Revenue over the last 5 years. Sleek has been recognised by The Financial Times, The Straits Times, Forbes and Linked In as one of the fastest growing companies in Asia.
Backed by world-class investors, we are on track to be one of the few cash flow positive, tech-enabled unicorns based out of Asia Pacific.
We are looking for an experienced and hands-on Database Administrator (DBA) to join our growing Platform Engineering team.
Mission:
You will own the design, deployment, performance, availability, security, and reliability of our database fleet across Postgre
SQL, AWS RDS, Aurora, Mongo
DB, and Maria
DB. You will work closely with engineering, data, and Dev Ops teams to ensure our databases are highly performant, scalable, and resilient to support business-critical workloads.
Key responsibilities:
- Administer, monitor, and maintain production database environments across Postgre
SQL, AWS RDS, Aurora, Mongo
DB, and Maria
DB. - Design, provision, and manage highly available and fault-tolerant database architectures on AWS (RDS, Aurora clusters, Multi-AZ, read replicas).
- Perform installation, configuration, upgrades, patching, and version migrations of database engines.
- Plan and execute database migrations (on-prem to cloud, cross-engine, version upgrades) with minimal downtime.
- Implement and manage backup, restore, point-in-time recovery (PITR), and disaster recovery (DR) strategies; regularly validate recovery drills.
- Tune database performance — query optimization, indexing strategies, execution plan analysis, vacuum/auto-vacuum tuning, and connection pooling.
- Capacity planning, sizing, and cost optimization for AWS RDS / Aurora workloads.
- Set up replication (logical/physical, streaming, Mongo
DB replica sets, Maria
DB Galera/primary-replica) and manage failover. - Define and enforce database security best practices — user access, IAM authentication, encryption at rest and in transit, KMS, secrets management, audit logging.
- Build robust monitoring, alerting, and observability for databases using Cloud Watch, Performance Insights, Prometheus/Grafana, or similar tooling.
- Troubleshoot production incidents — slow queries, locks, replication lag, storage saturation — and drive RCA and permanent fixes.
- Automate routine DBA operations using scripts (Bash, Python) and Infrastructure as Code (Terraform/Cloud Formation).
- Partner with developers on schema design, data modeling, query reviews, and database best practices.
- Maintain documentation, runbooks, and standard operating procedures for the database platform.
- Support compliance requirements (SOC 2, ISO 27001, GDPR) for database systems.
Required Skills & Experience:
Core DBA:
- 5+ years of hands-on experience as a Database Administrator in production environments
- Strong understanding of database internals — storage engines, transactions, isolation levels, locking, MVCC, query planners.
- Proven experience supporting mission-critical OLTP workloads with high availability requirements.
- Solid scripting…
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