Mango DBA

Tata Consultancy Services; Bengaluru; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Tata Consultancy Services in Bengaluru is seeking a MongoDB Database Administrator with 4–6 years of hands-on experience. The role focuses on designing, deploying and maintaining MongoDB and Redis clusters, ensuring high availability, performance, and security across development, test, and production environments.

Responsibilities include planning sharding strategies, upgrades, backups (PITR), and automation using Bash or Python, while collaborating with cross-functional teams to optimize data

Qualifications

• MongoDB 6.x or above with replica sets, sharding, backups and restores.
• Proficiency with MongoDB Ops Manager / Atlas for monitoring, alerting and automation.
• Expertise in MongoDB Replication and high-availability design.
• Strong Bash/Python scripting for database operations.
• Hands-on with MongoDB Sharded Clusters and shard key design.
• Installing, configuring and maintaining MongoDB and Redis across environments.
• DB upgrades, migrations and data migration strategies.
• Security controls with encryption at rest and access management.
• RBAC, LDAP/AD integration and Redis ACLs.
• Performance tuning, index optimization and replication lag monitoring.
• Backups, PITR and disaster recovery planning.
• Familiarity with data modeling and documentation for MongoDB/Redis.
• Excellent cross-functional communication.

Skills

MongoDB DBA

Ops Manager/Atlas

Replication/HA

Scripting Bash/Python

Sharded Clusters

DB Installation/Config

Upgrades/Migrations

Security & Encryption

RBAC/LDAP/Redis ACLs

Training/Mentoring

Troubleshooting

Backups/PITR

Performance Tuning

Tools

Ops Manager

Atlas

Redis

Linux

Job description

TCS has been a great pioneer in feeding the fire of young techies like you. We are a global leader in the technology arena and theres nothing that can stop us from growing together.

What we are looking for

Experience Range: 4 to 6 Years

Must-Have**

• Contribution to the desStrong core MongoDB DBA experience (MongoDB 6.x or above), including replica sets, sharding, backups, and restores.
• Proficiency with MongoDB Ops Manager / Atlas, including monitoring, alerting, reporting, automation, and routine maintenance.
• Expertise in MongoDB Replication, including replica sets, read/write concerns, elections, and highavailability design.
• Strong scripting and automation expertise using Bash, Python, or similar languages for database operations and automation.
• Handson experience with MongoDB Sharded Clusters, including shard key design, balancing, and horizontal scalability.
• Installing, configuring, and maintaining MongoDB and Redis software across development, test, and production environments.
• Handson experience with database upgrades and migrations, including version upgrades, cluster topology changes, and data migration strategies.
• Designing database storage structures with strong security controls, encryption at rest, and access management for MongoDB and Redis.
• Handson experience with patching, failover testing, and highavailability activities for MongoDB replica sets and Redis Sentinel/Cluster.
• Optimizing and altering data models and storage strategies to meet evolving scalability and performance requirements.
• Database user and access management, including MongoDB RBAC, LDAP/AD integration, and Redis ACLs.
• Training developers and users on data access patterns, query optimization, and MongoDB/Redis best practices.
• Troubleshooting and debugging database or application issues impacting availability, consistency, and performance.
• Creating and managing automated backups, including Ops Manager backups, snapshots, and pointintime recovery (PITR).
• Regularly updating and enforcing database security protocols, including TLS, encryption, authentication, and authorization.
• Familiarity with MongoDB and Redis data modeling, query optimization, and documentation best practices.
• Strong knowledge of backup, restore, and disaster recovery strategies, including multiregion and crossdatacenter deployments.
• Working knowledge of programming languages and APIs, including MongoDB drivers and Redis client libraries.
• Strong operating system experience on Linux, including performance tuning, storage management, and troubleshooting.
• Experience with MongoDB management and availability tools, including Ops Manager, Atlas automation, replica sets, and sharded clusters.
• Data partitioning and sharding expertise, including shardkey selection and workload distribution.
• Handson experience defining DB standards and translating capacity and performance requirements into scalable MongoDB and Redis deployments.
• Strong production experience with MongoDB clusters, including highavailability setups, sharding, and performance tuning.
• Strong understanding of MongoDB query language and aggregation framework, as well as Redis commands, persistence models, and memory management.
• Ownership of performance and capacity monitoring, including index optimization, cache utilization, slow query analysis, and replication lag monitoring.
• Design and maintenance of reliable backup strategies, ensuring regular backups and periodic restore validation.
• Performance testing and evaluation, identifying bottlenecks such as slow queries, hot shards, locking, memory pressure, or replication delays.
• Hands‑on experience with horizontally scalable MongoDB architectures, including sharded and geo‑distributed clusters.
• Strong scripting and automation skills for provisioning, monitoring, backups, upgrades, and operational workflows.
• Excellent communication skills and ability to work effectively in cross‑functional technical teams.

Good-to-Have

• Well organized with ability to multi-task and work with minimum supervision with quick learning skills.
• Strong interpersonal and negotiation skills. Collaborate with cross-functional teams to identify and resolve technical issues