Senior DBA

风向标人才咨询（杭州）有限公司深圳分公司

Singapore

On-site

SGD 120,000 - 180,000

Full time

5 days ago

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Benefits offered by this job

Global exposure

Competitive compensation

Flexible working policy

Career growth opportunities

Job summary

Momcozy (ROOT Global) is seeking a Senior DBA to own database reliability across global regions. You will ensure high availability and performance for production databases supporting e-commerce, IoT, mobile, and internal systems on AWS.

You will collaborate with SRE, DevOps, developers, and security to build secure, scalable database infrastructure and drive standards across regions.

Qualifications

7+ years of professional database administration or engineering.
Strong production experience with MySQL and/or PostgreSQL in production.
Deep knowledge of replication, high availability, backup/recovery, and tuning.
Extensive AWS database experience, esp. RDS, Aurora, ElastiCache.
Strong Linux admin and troubleshooting skills.
Proficient in Python or Bash scripting; IaC with Terraform/Ansible.

Responsibilities

Take ownership of production and non-production database environments across multiple global regions.
Design, deploy, operate, and maintain MySQL, PostgreSQL, Redis, MongoDB, and other databases as required.
Manage AWS database services including RDS, Aurora, ElastiCache, DynamoDB, and related services.
Establish standardized database architecture, configuration, and operational practices; define lifecycle management, upgrade, patching, and capacity planning.
Monitor database health, availability, performance, and capacity; perform SQL optimization and index tuning.
Lead database incident response and root cause analysis; implement preventive measures; establish database SLO/SLA standards.
Design and implement HA and disaster-recovery architectures; manage replication, backup, and DR drills.
Automate provisioning, backup, monitoring, and maintenance using scripting; implement IaC with Terraform.
Establish access control, encryption, auditing; support vulnerability remediation and security hardening.
Provide technical guidance to DBA and SRE engineers; lead major migrations and upgrades.

Skills

7+ years experience

MySQL

PostgreSQL

Linux

SQL performance tuning

Python

Bash scripting

Terraform

Ansible

AWS (RDS/Aurora/ElastiCache)

Education

Bachelor's degree in Computer Science or related field

Tools

Terraform

Ansible

AWS

Job description

Company: Momcozy (ROOT Global)
Employment Entity: Local subsidiary (Singapore / United States)
Salary Range: [To be confirmed — will be added per local pay transparency laws]
Visa Sponsorship: This role does not provide visa sponsorship. Candidates must be legally authorized to work in the country of employment.

About the role

We are looking for a highly experienced Senior DBA to take ownership of database reliability, performance, availability, and operational excellence across our global business. This role exists to ensure our production databases — supporting e-commerce, IoT, mobile, and internal systems — are highly available, performant, secure, and well-governed across AWS and multiple geographic regions. You will work closely with SRE, DevOps, application development, data engineering, and security teams to build standardized, secure, and highly reliable database infrastructure.

Key responsibilities

Take ownership of production and non-production database environments across multiple global regions
Design, deploy, operate, and maintain MySQL, PostgreSQL, Redis, MongoDB, and other database technologies as required
Manage AWS database services including Amazon RDS, Aurora, ElastiCache, DynamoDB, and related services
Establish standardized database architecture, configuration, and operational practices; define database lifecycle management, upgrade, patching, and capacity planning strategies
Monitor database health, availability, performance, and capacity; perform SQL optimization, index optimization, execution plan analysis, and database parameter tuning
Lead database incident response and root cause analysis; identify potential database risks proactively and implement preventive measures; establish and improve database SLO/SLA standards
Design and implement database high-availability and disaster-recovery architectures; manage replication, failover, backup, and recovery mechanisms; conduct regular backup validation and disaster recovery drills
Automate database provisioning, configuration, backup, monitoring, and maintenance using Python, Bash, or similar scripting languages; implement infrastructure as code using Terraform
Establish database access control, authentication, encryption, and auditing standards; implement least-privilege access policies; support vulnerability remediation and security hardening
Provide technical guidance to DBA and SRE engineers; participate in architecture reviews and technology selection; lead major database migration, upgrade, and optimization projects

About you

Bachelor's degree or above in Computer Science, Information Technology, or a related field, or equivalent industry experience
7+ years of professional database administration or database engineering experience
Strong production experience with MySQL and/or PostgreSQL
Deep understanding of database architecture, replication, high availability, backup/recovery, and performance tuning
Extensive experience with AWS database services, especially RDS, Aurora, and ElastiCache
Strong Linux administration and troubleshooting skills
Excellent SQL troubleshooting and performance optimization capability
Strong scripting and automation skills with Python, Bash, or similar technologies
Experience with Terraform, Ansible, or infrastructure as code
Solid understanding of networking, DNS, TCP/IP, and cloud infrastructure

Benefits