MongoDB Database Engineer (DBA) - Automation & Cloud

GSSTech Group

Bengaluru, Karnataka, India permanent

Posted: January 12, 2026

Required Skills

Job Description

We are looking for a hands-on MongoDB Database Engineer to manage, optimise, and automate production-grade MongoDB clusters in enterprise environments.

This role demands deep MongoDB internals knowledge, not surface-level CRUD familiarity. You are expected to own cluster health, performance, and automation end to end.

Key Responsibilities

• Administer and support MongoDB replica sets and sharded clusters
• Design and maintain high availability and disaster recovery strategies
• Perform backups, restores, upgrades, and patching with zero or minimal downtime
• Monitor cluster health, replication lag, disk usage, and query performance
• Diagnose and resolve slow queries, locking issues, index inefficiencies, and capacity bottlenecks
• Implement security best practices:
• Authentication & authorisation (RBAC)
• TLS / encryption at rest
• Auditing and access controls

• Automate MongoDB operations using Ansible, scripts, and CI/CD pipelines
• Support MongoDB deployments on AWS / Azure / GCP
• Work closely with application and DevOps teams on schema design and performance optimisation
• Participate in on-call rotations and handle production incidents
• Maintain operational documentation and runbooks

Mandatory Technical Skills

• 5+ years of experience managing MongoDB in production
• Strong hands-on expertise with:
• MongoDB Replica Sets
• MongoDB Sharding
• Indexing strategies & query optimisation

• 2–3 years of hands-on PostgreSQL experience, including:
• Replication and high availability
• Backup & restore strategies
• Performance tuning

• Solid understanding of:
• WiredTiger storage engine
• Backup & recovery strategies (mongodump/mongorestore, snapshots)
• Capacity planning and scaling

• Strong Linux/Unix administration skills
• Scripting skills:
• Bash
• Python (preferred)

• Automation experience using:
• Ansible
• Git

• Experience with cloud-based MongoDB deployments (self-managed or Atlas)

Desirable Skills (Strong Advantage)

• MongoDB Atlas administration
• Terraform / Infrastructure as Code
• Jenkins / GitLab CI
• Kubernetes (MongoDB on K8s)
• Exposure to banking, fintech, or regulated environments

Education & Certifications

• Bachelor’s degree in Computer Science or equivalent – Preferred
• MongoDB Certified DBA / Developer – Nice to have

Behavioural Expectations (Non-Negotiable)

• Strong ownership mindset — production issues are your responsibility
• Ability to work under pressure during incidents
• Clear, professional communication with technical and non-technical stakeholders
• Ability to manage multiple production environments simultaneously

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