MongoDB Senior Database Administrator

Role & responsibilities

Role: MongoDB Senior Database Administrator

Who are we looking for?

• We are looking for 7+ years of administrator experience in MongoDB/Cassandra/Snowflake Databases.
• This role is focused on production support, ensuring database performance, availability, and reliability across multiple clusters.
• The ideal candidate will be responsible for ensuring the availability, performance, and security of our NoSQL database environment.
• You will provide 24/7 production support, troubleshoot issues, monitor system health, optimize performance, and collaborate with cross-functional teams to maintain a reliable and efficient Snowflake platform .

Technical Skills:

• Proven experience as a MongoDB/Cassandra/Snowflake Databases Administrator or similar role in production support environments.
• 7+ years of hands-on experience as a MongoDB DBA supporting production environments.
• Strong understanding of MongoDB architecture, including replica sets, sharding, and aggregation framework.
• Proficiency in writing and optimizing complex MongoDB queries and indexes.
• Experience with backup and recovery solutions (e.g., mongodump, mongorestore, Ops Manager).
• Solid knowledge of Linux/Unix systems and scripting (Shell, Python, or similar).
• Experience with monitoring tools like Prometheus, Grafana, DataStax OpsCenter, or similar.
• Understanding of distributed systems and high-availability concepts.
• Proficiency in troubleshooting cluster issues, performance tuning, and capacity planning.
• In-depth understanding of data management (e.g. permissions, recovery, security and monitoring)
• Understanding of ETL/ELT tools and data integration patterns.
• Strong troubleshooting and problem-solving skills.
• Excellent communication and collaboration abilities.
• Ability to work in a 24/7 support rotation and handle urgent production issues.
• Strong understanding of relational database concepts.
• Experience with database design, modeling, and optimization is good to have

Familiarity with data security is the best practice and backup procedures

Preferred candidate profile

Responsibilities

• Production Support & Incident Management:
• Provide 24/7 support for MongoDB environments, including on-call rotation.
• Monitor system health and respond to s, incidents, and performance degradation issues.
• Troubleshoot and resolve production database issues in a timely manner.
• Database Administration:
• Install, configure, and upgrade MongoDB clusters in on-prem or cloud environments.
• Perform routine maintenance including backups, restores, indexing, and data migration.
• Monitor and manage replica sets, sharding, and cluster balancing.
• Performance Tuning & Optimization:
• Analyze query and indexing strategies to improve performance.
• Tune MongoDB server parameters and JVM settings where applicable.
• Monitor and optimize disk I/O, memory usage, and CPU utilization .
• Security & Compliance:
• Implement and manage access control, roles, and authentication mechanisms (LDAP, x.509, SCRAM).
• Ensure encryption, auditing, and compliance with data governance and security policies. •Automation & Monitoring:
• Create and maintain scripts for automation of routine tasks (e.g., backups, health checks).
• Set up and maintain monitoring tools (e.g., MongoDB Ops Manager, Prometheus/Grafana, MMS).
• Documentation & Collaboration:
• Maintain documentation on architecture, configurations, procedures, and incident reports.
• Work closely with application and infrastructure teams to support new releases and deployments.