Delivery Module Lead

3 weeks ago

Chennai, India Mphasis Full time

Job Description

Role: MongoDB Senior Database Administrator

Location: O ffshore/India

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.

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.

Qualification:

Experience with MongoDB Atlas and other cloud-managed MongoDB services. MongoDB certification (MongoDB Certified DBA Associate/Professional). Experience with automation tools like Ansible, Terraform, or Puppet. Understanding of DevOps practices and CI/CD integration. Familiarity with other NoSQL and RDBMS technologies is a plus. Education qualification: Any degree from a reputed college  7+ years overall IT experience.

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