Infrastructure Engineer- 12 month contract

Experienced NoSQL Database Administrator with 2–8 years of expertise in managing Redis and MongoDB environments, ensuring high availability, performance, and reliability. Skilled in Linux-based administration, automation, troubleshooting, and implementing scalable architectures including clustering, replication, and backup/recovery solutions.

Contract: 12 months
Location: Changi

• Minimum 2-8 years of experience in NoSQL Database Administration.
• Good foundational understanding in caching, cluster-based setups, backup and restore cycles, delayed replication, NoSQL principles.
• Basic appreciation of networking, application design, virtual server environment, security and access control.
• Good communication (verbal and written) and documentation skills, with ability to coordinate clearly with different stakeholders.
• Good foundation in programming / scripting. Familiarity in languages / tools like Python, Bash, Powershell is advantageous.
• Hands on experience in Linux operating system (RedHat).
• Ensure system reliability, performance, and that best practices are being followed.
• Troubleshoot NoSQL issues and performance bottlenecks, working with vendor and application teams to achieve efficient and effective queries.
• Participate in the 24/7 rotational shift and on-call duty, including weekends.
• Hands on experience in troubleshooting on issues, raising ticket and coordinating with vendor, communicating and closing cases with internal users.
• Install, setup, configure, patch, and upgrade database software (Redis and MongoDB) safely, with reversion included.
• Set up Active-Active, High Availability and Redundant systems to support critical production and use-cases.
• Monitor and ensure uptime and health of both development and production databases.
• Manage and monitor day-to-day replication and backup processes.
• Work with internal teams to plan and schedule application upgrades.
• Prepare Change Requests and related documents to support rolling out changes in Production environments.
• Design, implement, enhance monitoring for servers and database instances in lower environments and Production to provide comprehensive overview of health on-demand and historically.
• Design, implement, maintain and automate the appropriate backup and recovery architecture as required.

PERSOL Singapore Pte Ltd •UEN No. 200007268E • EA License No. 01C4394 •EA Registration No. R21103542(Ling Kai Jin)

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