MongoDB Database Engineer (DBA) - Automation & Cloud

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