Senior Database Support Engineer — Performance & Reliability

Finclutech Ltd; Dubai; Sur place; AED 260 000 - 400 000; Plein temps

Résumé du poste

Finclutech Ltd. seeks a seasoned Senior Database Support Engineer to ensure performance, availability, and security of MySQL, PostgreSQL, and NoSQL environments. You will assist Development, Infrastructure, DevOps, and Data/Analytics teams in a fast-paced production setting.

Responsibilities include incident escalation, RCA, replication setup, schema review, tuning, and security audits. You will also manage MinIO/S3 storage and support data lakehouse workflows with Spark, Iceberg, Dremio, and

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• 6+ years of combined experience in database development and/or database support roles.
• Strong proficiency in developing stored procedures, functions, triggers, and ETL processes.
• Expertise in MySQL and PostgreSQL databases.
• Experience with MongoDB or Couchbase databases.
• Experience with MinIO or S3-compatible object storage.
• Knowledge of data lakehouse concepts and tooling — Iceberg/Delta Lake, Dremio, Trino, Spark.
• Experience with big data technologies (Hadoop, Spark).
• Knowledge of data warehouse technologies.
• Programming languages such as Python or JavaScript.
• Excellent problem-solving and troubleshooting skills.

Responsabilités

• Provide database support to Development, Infrastructure, DevOps, and Data/Analytics teams across MySQL, PostgreSQL, and NoSQL (MongoDB, Couchbase) environments
• Act as Level 2 escalation for database-related production incidents; lead root cause analysis (RCA) and drive corrective/preventive actions to closure
• Install and configure MySQL (InnoDB and NDB Cluster storage engines), set up and maintain replication, and resolve replication issues
• Review, validate, and advise on schema changes, stored procedures, functions, and triggers submitted by development teams; guide developers on query and indexing optimization
• Monitor database health, performance, capacity, and availability; proactively identify risks and apply corrective actions, including configuration tuning and workload analysis
• Support and maintain MinIO/S3-compatible object storage — bucket management, access policies, lifecycle rules, and integration with data pipelines and archival processes
• Support data lakehouse environments integrating relational databases, object storage, and query engines (Apache Spark, Apache Iceberg, Dremio, Trino); assist Data/Analytics teams with ingestion, transformation, and archival workloads
• Implement and maintain database security controls — access management, privileges, authentication, and encryption; perform regular audits, integrity checks, and access reviews
• Execute and validate backup and recovery procedures; support BC/DR planning, testing, and contingency activities
• Review and support database changes across Dev, Test, Pre-Production, and Production environments per change management procedures
• Maintain documentation of configurations, support procedures, change records, and operational runbooks aligned to organisational standards

Connaissances

Database troubleshooting

MySQL

PostgreSQL

NoSQL databases

Root cause analysis

Python

JavaScript

On-call rotation

Team collaboration

Formation

Bachelor's degree in Computer Science or related field

Outils

MongoDB

Couchbase

Redis

MinIO

S3-compatible storage

Apache Spark

Apache Iceberg

Delta Lake

Dremio

Trino

Description du poste

Finclutech Ltd. seeks a seasoned Senior Database Support Engineer to ensure performance, availability, and security of MySQL, PostgreSQL, and NoSQL environments. You will assist Development, Infrastructure, DevOps, and Data/Analytics teams in a fast-paced production setting.

Responsibilities include incident escalation, RCA, replication setup, schema review, tuning, and security audits. You will also manage MinIO/S3 storage and support data lakehouse workflows with Spark, Iceberg, Dremio, and