Senior Database Engineer

We are seeking an experienced Senior No

SQL Database Administrator to take end-to-end operational ownership of enterprise-grade Click House and MongoDB platforms supporting business-critical, high-volume workloads across AWS, Microsoft Azure, and on-premises environments.

Deep, hands-on production expertise in Click House and MongoDB is mandatory for this role. The successful candidate will own database architecture and design, performance engineering, high availability and disaster recovery, backup and restore, security and compliance, capacity planning, upgrades and migrations, automation, observability, and 24x7 production support.

• Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related technical field.

• MongoDB Certified DBA (Associate or Professional).

• Click House professional certification or equivalent demonstrable vendor training.

• ITIL Foundation or equivalent IT service management certification.

• 8+ years of overall IT and database administration experience, with the majority spent on No
  
  SQL database technologies.

• 5+ years of hands-on production experience administering MongoDB, including replica sets, sharded clusters, and MongoDB Atlas or Ops Manager.

• 3+ years of hands-on production experience administering Click House, including cluster design, Merge Tree engine family, replication, and distributed tables.

• Proven experience operating large-scale (multi-terabyte), high-availability, business-critical database estates with demanding SLAs.

• Demonstrated experience delivering 24x7 production support and participating in an on-call rotation for tier-1 platforms.

• Hands-on experience running databases across AWS, Microsoft Azure, and on-premises or hybrid infrastructure.

• 8+ years of overall IT and database administration experience, with the majority spent on No
  
  SQL database technologies.

• 5+ years of hands-on production experience administering MongoDB, including replica sets, sharded clusters, and MongoDB Atlas or Ops Manager.

• 3+ years of hands-on production experience administering Click House, including cluster design, Merge Tree engine family, replication, and distributed tables.

• Proven experience operating large-scale (multi-terabyte), high-availability, business-critical database estates with demanding SLAs.

• Demonstrated experience delivering 24x7 production support and participating in an on-call rotation for tier-1 platforms.

• Hands-on experience running databases across AWS, Microsoft Azure, and on-premises or hybrid infrastructure.

• Database Administration & Operations Own day-to-day administration, monitoring, and operational health of all production and non-production Click House and MongoDB environments.

• Perform installations, configuration, patching, version upgrades, and decommissioning across cloud and on-premises estates.

• Manage user provisioning, roles, privileges, quotas, and access reviews in line with least-privilege principles.

• Maintain accurate platform documentation, runbooks, standard operating procedures, and configuration baselines.

• Architecture & Design Design and size Click House clusters, including sharding and replication topology, Merge Tree engine selection, partitioning, primary key and ordering key strategy, TTL, and materialised views.

• Design MongoDB replica sets and sharded clusters, including shard key selection, indexing strategy, schema design guidance, and read/write concern configuration.

• Define database standards, naming conventions, and reference architectures; review application data models before production release.

• Deliver capacity planning and growth forecasting for storage, memory, compute, and I/O.

• Performance…