Senior NoSQL DB Engineer – ClickHouse & MongoDB

Avrioc Technologies; Abu Dhabi Emirate; On-site; AED 350,000 - 550,000; Full time

Job summary

Avrioc Technologies is seeking an experienced Senior NoSQL Database Administrator to own end-to-end operations for ClickHouse and MongoDB across AWS, Azure, and on-premises environments. You will oversee architecture, performance engineering, HA/DR, security, backups, and on-call production support.

Required 8+ years in IT/database administration with 5+ years in MongoDB and 3+ years in ClickHouse, plus certifications and hands-on experience in multi-region deployments.

Qualifications

• Bachelor's Degree in Computer Science, IT, Engineering or related field.
• MongoDB Certified DBA (Associate or Professional).
• ClickHouse professional certification or equivalent vendor training.
• ITIL Foundation or equivalent IT service management certification.

Responsibilities

• Own day-to-day administration, monitoring, and operational health of ClickHouse and MongoDB environments.
• Perform installations, configuration, patching, upgrades, and decommissioning across cloud and on-premises estates.
• Manage user provisioning, roles, privileges, quotas, and access reviews in line with least-privilege principles.
• Design and size ClickHouse clusters, shard topology, and MongoDB replica/sharded configurations; review data models.

Skills

NoSQL databases

Database administration

Production support

Cloud platforms (AWS, Azure)

Performance tuning

Automation & observability

Education

Bachelor's Degree in Computer Science/IT/Engineering

MongoDB Certified DBA

ClickHouse certification or training

ITIL Foundation

Tools

MongoDB Atlas/Ops Manager

ClickHouse tooling / MergeTree knowledge

Monitoring & administration tools

Job description

Avrioc Technologies is seeking an experienced Senior NoSQL Database Administrator to own end-to-end operations for ClickHouse and MongoDB across AWS, Azure, and on-premises environments. You will oversee architecture, performance engineering, HA/DR, security, backups, and on-call production support.

Required 8+ years in IT/database administration with 5+ years in MongoDB and 3+ years in ClickHouse, plus certifications and hands-on experience in multi-region deployments.