Database Administrator

MICHAEL PAGE INTERNATIONAL PTE LTD; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Certification support

Professional development

Career progression

Job summary

Michael Page International Pte Ltd in Singapore is seeking an experienced MongoDB Database Administrator to own end-to-end MongoDB environments, including deployment, upgrades, maintenance, and security. You will design replica sets and sharded clusters, monitor production systems, optimise queries, and automate operational tasks across AWS, Azure, or GCP with a focus on reliability and performance.

Join a fast-paced team delivering scalable data platforms and modern cloud transformations while

Qualifications

• Bachelor’s degree or related field required.
• Hands-on MongoDB administration in production environments.
• Experience with Replica Sets, Sharding and MongoDB Cluster architectures.
• Knowledge of WiredTiger storage engine and indexing concepts.
• Experience tuning performance in Linux/Unix environments.
• Exposure to cloud database administration across AWS, Azure or GCP.
• Strong analytical and stakeholder communication skills.
• Experience with Oracle, PostgreSQL or other NoSQL technologies.
• Proficiency in Python or Shell scripting for automation.
• Understanding TLS/SSL, RBAC and encryption-at-rest security.
• Familiarity with Prometheus, Grafana or MongoDB Ops Manager.
• Experience with enterprise-scale database migration or modernization.

Responsibilities

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

Skills

MongoDB administration

Replica Sets & Sharding

Cloud DB management

Automation scripting

Linux/Unix

Performance tuning

Security concepts

Monitoring & diagnostics

Education

Bachelor's Degree in Computer Science or related

Tools

MongoDB Atlas

Ops Manager

Prometheus

Grafana

AWS/Azure/GCP

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.

Contact

• Calvin Tan (Lic No: R26163123 / EA no: 18S9099)
• Quote job ref
• JN-082026-7091290
• Phone number
• [phone]
• Michael Page International Pte Ltd | Registration No. 199804751N