Senior Database Administrator

Role Overview

AzamPay is looking for a Senior Database Administrator to own the availability, performance, security, and recoverability of the databases behind our payment and mobile money platforms.

You will run a multi-engine estate (Oracle, MySQL, MongoDB, and PostgreSQL) across production, disaster recovery (DR), and test environments-both on-premise and in the cloud. You will lead upgrades, run disaster recovery drills, and hold third-party database teams to high standards.

This is a hands-on senior role. You will be the go-to export on database risk and will report directly to the Director of Information Technology.

Required Technical Expertise

• Oracle Database (19c) (Export) - RMAN backup & recovery, Data Pump, performance tuning (AWR/ASH), high availability & DR patching and upgrades.

• MySQL (8.0) (Export) - Replication, InnoDB Cluster/MySQL Router, Percona XtroBackup, performance tuning, version upgrades

• Linux Systems (Strong) - Red Hat/Oracle Linux and Ubuntu

• Scripting (Strong) - Bash and Python or Perl for automation

• SQL & PL/SQL (Advanced) - Complex querying reading, and optimizing application queries.

Required Competencies

• MongoDB (Solid) - Replica sets, backup/restore, monitoring, version upgrades.

• PostgreSQL (Solid) - Streaming replication, backup/restore, tuning, major version upgrades.

• Virtualisation & Backup - VMware and enterprise backup tools (e.g. Veeam).

• Cloud Infrastructure - Running databases on AWS (EC2 and/or RDS).

• Monitoring Systems - Zabbix, Oracle Enterprise Manager, Percona PMM, or similar.

Nice-to-Have Competencies

• Microsoft SQL Server - Basic administration and backups.

• MariaDB - Familiarity for data warehouse workloads.

• Containers - Awareness of Kubernetes and database connections.

Key Responsibilities

1. Database Operation

   • Install, configure, administer, and maintain Oracle, MySQL, MongoDB, and PostgreSQL databases across production, DR, and test environments.

   • Monitor database health, capacity, storage growth, and scheduled jobs, resolving issues before they affect customers.

   • Manage clustering, replication, and high-availability setups, including failover and virtual IP configuration.

2. Backup, Recovery & Disaster Recovery

   • Design, run, and regularly test backup and restore procedures for every database engine.

   • Own the database side of disaster recovery drills end-to-end, including data consistency checks between primary and DR.

3. Performance & Capacity

   • Tune queries, indexes, memory, and storage to keep high-volume transaction systems fast.

   • Forecast capacity needs and advise on hardware, storage, and licensing.

4. Upgrades, Patching & Migrations

   • Lead major version upgrades and security patching across all database engines, with tested rollback plans. Keep the estate on supported, secure versions.

5. Security & Compliance

   • Manage database users, roles, and privileges on a least-privilege basis, with regular access reviews.

   • Work with the security team on vulnerability findings and privileged access controls.

6. Vendor & Stakeholder Management

   • Oversee and review database work done by third-party vendors and technology partners, holding them to agreed standards.

   • Work closely with Infrastructure, NOC, DevOps, Development, and Data teams on changes, incidents, and releases. Follow change management processes for all production database changes.

7. Documentation & Automation

   • Maintain up-to-date runbooks, architecture diagrams, configuration records, and a database inventory.

   • Automate routine tasks with scripts to reduce manual work and errors.

   • Recommend tools and practices that improve reliability, monitoring, and security.

Qualifications & Track Record

• Bachelor's degree in Computer Science, IT, Engineering, Telecommunications, or related field.

• Total Experience: 5-8 years of hands-on DBA experience.

• At least 2 years in fintech, banking, telecom, or high-availability transaction environments.

• Planning and running at least one major production database migration or version upgrade.

• Running or participating in disaster recovery drills and failovers.

• Hands-on experience with clustering/HA setups (e.g. Pacemaker, Oracle Data Guard).

How To Apply

Send your CV and a short cover letter describing one production database migration or recovery you led (including engine, data size, and outcome).