Optiva

Database Administrator

Bangladesh · Work style not stated · Full time

Posted over 6 months ago: check it’s still open

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About the role

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EmployerOptiva
LocationBangladesh
Work styleWork style not stated
Employment typeFull time
Employer posted30 Mar 2026

It's fun to work in a company where people truly BELIEVE in what they're doing!

We're committed to bringing passion and customer focus to the business.

Job Summary

We are seeking an experienced Database Administrator (DBA) to manage,maintain, andoptimizeMariaDB, PostgreSQL, and Cassandradatabase platforms. The ideal candidate will ensure high availability, performance, security, and scalability of databases supporting mission-critical applications.

Key Responsibilities

Database Administration:

Install, configure, upgrade, and maintainMariaDB, PostgreSQL, and Apache Cassandradatabases

Perform database capacity planning, performance tuning, and optimization

Monitor database health, replication, clustering, and availability

Backup, Recovery & High Availability:

Design and manage backup and recovery strategies (logical & physical backups)

Show full description

Implement and manage replication, clustering, and failover solutions

Perform disaster recovery planning and regular DR drills

Security & Compliance:

Manage database security: users, roles, privileges, encryption, and auditing

Apply security patches and upgrades in compliance with company policies

Ensure compliance with data protection and regulatory standards

Performance & Troubleshooting:

Diagnose and resolve database performance issues and outages

Analyze slow queries, locks, and resource bottlenecks

Provide root cause analysis (RCA) for incidents

Automation:

Automate routine DBA tasks using scripts (Shell, Python, etc.)

Support containerized and cloud-based database deployments (if applicable)

Documentation & Support:

Maintain database documentation, SOPs, and operational runbooks

Provide on-call support for production database environments

Assistdevelopers with schema design, indexing, and query optimization

Required Skills & Qualifications:

Technical Skills:

Strong hands-on experience withMariaDB / MySQL,PostgreSQL, andApache Cassandra

Expertisein:

Replication & clustering (Galera, PostgreSQL streaming replication, Cassandra clusters)

Backup & recovery tools (mysqldump,pg_dump,pg_basebackup,nodetool, etc.)

Performance tuning and query optimization

Experience with Linux systems and shell scripting

Knowledge of monitoring tools (Prometheus, Grafana, Zabbix, Nagios, etc.)

Database Concepts:

ACID vs BASE principles

OLTP and distributed database architectures

Data modeling for relational and NoSQL databases

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