Role Overview
We are looking for a highly experienced MongoDB Database Administrator to own the design, performance, security, and reliability of our MongoDB estate. This role requires deep hands-on expertise across replica sets, sharded clusters, backup/restore, and performance tuning, with the judgment to make architectural decisions independently and troubleshoot production issues under pressure.
Key Responsibilities
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Administer, monitor, and maintain MongoDB environments across development, staging, and production
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Design and manage ReplicaSet and Sharded Cluster architectures for high availability and horizontal scalability
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Own backup and restore strategy and execution, ensuring recoverability meets business RPO/RTO requirements
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Plan and execute database patching, version upgrades, and migrations with minimal downtime
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Manage and optimize deployments using MongoDB Ops Manager
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Perform performance tuning, query optimization, and capacity planning across the MongoDB fleet
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Write and troubleshoot Mongo Query Language (MQL) for diagnostics and optimization
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Administer underlying Unix/Linux infrastructure supporting MongoDB workloads
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Work within Agile delivery teams, participating in sprints, planning, and incident retrospectives
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Support automation initiatives using tools such as Ansible, Jenkins, or Terraform
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Script routine operational tasks using Bash or Python
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Provide input and support on other database platforms as needed
Essential Requirements
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Excellent knowledge of MongoDB database administration
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Excellent knowledge of MongoDB architecture and internals
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Excellent knowledge of ReplicaSet cluster configuration and management
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Excellent knowledge of MongoDB Sharding
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Excellent knowledge of Ops Manager
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Excellent knowledge of MongoDB backup and restore mechanisms
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Excellent knowledge of database patching and upgrades
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Excellent knowledge of performance tuning
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Excellent knowledge of database migration
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Good knowledge of MongoDB Query Language (MQL)
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Good knowledge of Unix/Linux operating systems
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Good knowledge of Agile working practices
Desirable Requirements
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Good knowledge of modern automation technologies (Ansible, Jenkins, Terraform)
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Good knowledge of scripting (Bash, Python)
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Good knowledge of other database platforms
