Senior NoSQL Database Architect: High Availability & Cloud

Avrioc Technologies; Abu Dhabi; Hybride; AED 300 000 - 520 000; Plein temps

Résumé du poste

Avrioc Technologies seeks an experienced Senior NoSQL Database Administrator to own ClickHouse and MongoDB platforms across AWS, Azure, and on-prem environments. You will handle architecture, performance, HA/DR, backups, security, capacity planning, upgrades, migrations, automation, and 24x7 production support.

You should have 8+ years in IT/database administration with strong MongoDB and ClickHouse hands-on experience, plus relevant certifications and multi-cloud exposure.

Qualifications

• 8+ years IT and database administration experience with NoSQL focus.
• 5+ years MongoDB production experience (replica sets, sharded clusters, Atlas/Ops Manager).
• 3+ years ClickHouse production experience (cluster design, MergeTree, replication, distributed tables).
• Experience operating large-scale, multi-terabyte, high-availability database estates with strict SLAs.
• On-call production support experience for tier-1 platforms.
• Experience running databases on AWS, Azure, and on-premises or hybrid infrastructure.

Responsabilités

• Own day-to-day administration, monitoring, and health of ClickHouse and MongoDB environments.
• Install, configure, patch, upgrade, and decommission across cloud and on-prem estates.
• Manage user provisioning, roles, privileges, quotas, and access reviews.
• Maintain platform documentation, runbooks, SOPs, and configuration baselines.
• Design ClickHouse clusters with sharding, replication, and MergeTree configurations.
• Design MongoDB replica sets and sharded clusters with shard keys and indexes.
• Define database standards, naming conventions, and reference architectures.
• Deliver capacity planning for storage, memory, compute, and I/O.
• Performance engineering and optimization for ClickHouse and MongoDB.
• Establish performance baselines and SLA/SLO adherence.
• Implement high-availability topologies, replication, failover, multi-region support.
• Own backup and recovery strategy, including PITR and encryption.
• Plan and execute DR tests; validate RPO/RTO and remediate gaps.
• Security and compliance: encryption, authentication, auditing, key management.
• Support audits and vulnerability remediation and data protection compliance.

Connaissances

ClickHouse

MongoDB

AWS

Azure

HA/DR

Performance tuning

Automation

24x7 support

Formation

Bachelor's Degree

MongoDB Certified DBA

ClickHouse certification

ITIL Foundation

Outils

MongoDB Atlas

Ops Manager

Description du poste

Avrioc Technologies seeks an experienced Senior NoSQL Database Administrator to own ClickHouse and MongoDB platforms across AWS, Azure, and on-prem environments. You will handle architecture, performance, HA/DR, backups, security, capacity planning, upgrades, migrations, automation, and 24x7 production support.

You should have 8+ years in IT/database administration with strong MongoDB and ClickHouse hands-on experience, plus relevant certifications and multi-cloud exposure.