Database Administrator - IT Solutions

Michael Page Singapore; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Michael Page Singapore is seeking a MongoDB Database Specialist to own deployments, upgrades, security, and reliability across production environments.

You will design replica sets and sharded clusters, optimise queries, monitor performance with Prometheus and Grafana, and automate backup, DR, and cloud operations on AWS/Azure/GCP.

Experience with Linux/Unix, TLS/RBAC, and MongoDB Ops Manager will be valued, along with collaboration with cross-functional teams to deliver scalable data platforms.

Qualifications

• Bachelor's degree in CS/IS or related field.
• Hands-on MongoDB administration in production.
• Experience with replica sets, sharding, and cluster architectures.
• Understanding of WiredTiger, indexing, and diagnostic tools.
• Performance tuning and troubleshooting in Linux/Unix.
• Cloud DB admin experience on AWS, Azure, or GCP.
• Scripting for automation (Python or Shell).
• Knowledge of TLS/SSL, RBAC, and encryption-at-rest.
• Experience with monitoring via Prometheus, Grafana, or Ops Manager.
• Experience with database migration, modernization, or cloud adoption.

Responsibilities

• Manage end-to-end MongoDB environments, including deployment, upgrades, maintenance, and security.
• Design and administer Replica Sets and Sharded Clusters to support scalability and high availability.
• Monitor production systems proactively and resolve database performance issues.
• Optimise queries, indexing strategies, and aggregation pipelines in partnership with development teams.
• Manage MongoDB Atlas and cloud-hosted database environments across AWS, Azure, or GCP.
• Develop and maintain backup, recovery, failover, and disaster recovery processes.
• Automate routine database administration, monitoring, and health-check activities to improve operational efficiency.

Skills

MongoDB administration

Replica Sets & Sharding

MongoDB Cluster architectures

WiredTiger storage engine

Query optimisation & indexing

Cloud DB administration (AWS/Azure/GCP

Automation scripting (Python / Shell)

TLS/SSL, RBAC, encryption-at-rest

Monitoring: Prometheus, Grafana, Ops

DB migration, modernization, cloud

Oracle / PostgreSQL / NoSQL experience

Stakeholder communication

Education

Bachelor's Degree in Computer Science or related

Tools

Prometheus

Grafana

MongoDB Ops Manager

Job description

• Own MongoDB architecture, scalability, and performance
• Drive cloud-based database reliability and automation

About Our Client

Our client is a technology-focused enterprise investing heavily in modern data platforms, cloud transformation, and digital innovation. Operating within a fast-paced environment, the organisation supports business-critical applications that require high levels of availability, security, and performance. Employees benefit from working on modern technology stacks, collaborative engineering initiatives, and long-term infrastructure enhancement programmes.

Job Description

• Manage end-to-end MongoDB environments, including deployment, upgrades, maintenance, and security.
• Design and administer Replica Sets and Sharded Clusters to support scalability and high availability.
• Monitor production systems proactively and resolve database performance issues.
• Optimise queries, indexing strategies, and aggregation pipelines in partnership with development teams.
• Manage MongoDB Atlas and cloud-hosted database environments across AWS, Azure, or GCP.
• Develop and maintain backup, recovery, failover, and disaster recovery processes.
• Automate routine database administration, monitoring, and health-check activities to improve operational efficiency.

The Successful Applicant

• Bachelor's Degree in Computer Science, Information Systems, or a related discipline.
• Hands-on MongoDB administration experience within production environments.
• Proven experience managing Replica Sets, Sharding, and MongoDB Cluster architectures.
• Strong understanding of WiredTiger storage engine, indexing concepts, and MongoDB diagnostic tools.
• Experience with database performance tuning, troubleshooting, and optimisation in Linux or Unix environments.
• Exposure to cloud database administration across AWS, Microsoft Azure, or Google Cloud Platform.
• Strong analytical, troubleshooting, and stakeholder communication skills.

• Experience supporting Oracle, PostgreSQL, or additional NoSQL technologies.
• Python or Shell scripting for automation and operational efficiency.
• Knowledge of database security concepts including TLS/SSL, RBAC, and encryption-at-rest.
• Familiarity with monitoring platforms such as Prometheus, Grafana, or MongoDB Ops Manager.
• Exposure to enterprise-scale database migration, modernization, or cloud adoption projects.

What's on Offer

• Ownership of business-critical MongoDB environments.
• Exposure to modern cloud and database technologies.
• Opportunities to work on scalability, performance, and automation initiatives.
• Collaborative engineering culture with access to experienced technical teams.
• Continuous learning, certification, and professional development support.
• Involvement in enterprise transformation and modernization programmes.
• Clear career progression within infrastructure and data platform engineering.