Senior Database Administrator - MongoDB

Role Overview :

The Senior Database Administrator (Level 9) is responsible for operational support, maintenance, and optimization of enterprise database platforms including MongoDB. This role focuses on reliable production operations, incident resolution, and continuous improvement while working independently on complex systems.

Key Accountabilities :

• Administer and support enterprise MongoDB environments across distributed infrastructure.

• Perform day-to-day operational support including monitoring, patching, performance tuning, and capacity management.

• Actively participate in incident, problem, and change management processes.

• Lead root cause analysis (RCA) and implement preventative solutions.

• Support high availability (HA) and disaster recovery (DR) solutions (AGs, clustering, replica sets, sharding).

• Execute and validate backup and recovery processes for both platforms.

• Utilize MongoDB Ops Manager for monitoring, patching, automation, and operational visibility.

• Develop and maintain automation scripts (PowerShell, Python, Bash, T-SQL, Mongo Shell).

• Monitor system health using metrics, logs, and observability tools.

• Collaborate with Engineering and stakeholders to improve stability and performance.

• Support infrastructure deployments and environment builds (on-prem and cloud).

• Ensure adherence to security, audit, and compliance requirements.

Technical Responsibilities :

• Manage MongoDB : replica sets, sharding, backups, performance tuning.

• Perform performance analysis and tuning across both platforms.

• Troubleshoot cross-layer issues (OS, network, storage, database).

• Support cloud environments (Azure / MongoDB Atlas).

• Maintain runbooks, SOPs, and technical documentation.

Required Experience & Skills :

• 5+ years of DBA experience (MongoDB).

• Hands-on experience with MongoDB operations including replica sets and backup/recovery.

• Hands-on experience with MongoDB Ops Manager (monitoring, automation).

• Strong understanding of HA/DR concepts and database security/access control.

• Experience with Windows and Unix/Linux platforms, automation, and scripting.

• Working knowledge of incident, change, and problem management (ITIL).

• Ability to work independently on moderately to highly complex systems.

Behavioral Competencies :

• Strong troubleshooting and analytical skills.

• Effective communication with technical teams and stakeholders.

• Continuous improvement mindset.

• Team-oriented with ability to mentor junior staff (emerging capability).