Database Administrator

Job Purpose

We are looking for a hands-on Database Administrator (DBA) with min 3+ years of experience who can take end-to-end ownership of our PostgreSQL and MongoDB platforms. The role spans across infrastructure and application layers, covering everything from server build, installation, backup and recovery through to application-aware performance tuning, diagnostics, and incident support.

Key Responsibilities

• Provision, configure, and maintain PostgreSQL and MongoDB environments across development, staging, and production.
• Design, implement, and test backup and disaster recovery strategies using appropriate tooling (e.g. pgBackRest, mongodump, snapshots, offsite replication).
• Monitor database performance and system health using Prometheus, Grafana, Elastic and native database telemetry.
• Investigate and resolve database-level issues including query performance, locking, replication lag, and storage constraints.
• Collaborate closely with developers and application SMEs to identify tuning opportunities and support schema/index optimisation.
• Perform version upgrades, patching, and configuration changes with rollback awareness.
• Manage OS-level tuning and storage provisioning for optimal DB performance
• Apply and enforce access controls, auditing, and secrets handling (e.g. via BeyondTrust or Vault).
• Document all DB infrastructure and recovery procedures to ensure repeatability and cross-team clarity.
• Contribute to automation and standardisation of DBA workflows via scripting or orchestration tools.
• Act as SME during production incidents involving database behaviour, availability, or integration.

Requirements

• Strong Linux system administration skills related to database infrastructure (CentOS/Ubuntu).
• Experience tuning PostgreSQL and MongoDB
• Familiarity with physical and virtual server environments, particularly Proxmox/oVirt.
• Experience operating databases in containerised environments (Kubernetes, Helm charts) is desirable.
• Hands-on experience with Prometheus, Grafana, Elastic and database monitoring tools (or equivalents)
• Strong understanding of database security, encryption at rest/in transit, and auditing requirements.
• Proven track record in performance diagnostics and incident troubleshooting under pressure.
• Familiarity with AWS-hosted database services (RDS, EFS, S3 for backup pipelines) is a plus.
• Scripting experience (e.g. Bash, Python) for automation of common tasks.
• Excellent documentation and communication skills, able to engage with cross-functional teams.
  

Nice to have:

• Experience managing Redis for caching and session stores.
• Exposure to Cassandra, particularly in high-write or time-series contexts.

Compensation and Benefits:

• A collaborative, agile, and diverse workplace culture that values your ideas and passion.
• Competitive remuneration in line with industry standards.
• Opportunity for career advancement and professional development.
  

Working Time:

The candidate will work in the regular dhaka time 9am-6pm.

If you have the skills, experience and drive to excel in this challenging and rewarding role, we would love to hear from you. Apply today and take the next step in your career with us! 

WSD is an employer that values diversity. We highly encourage applications from appropriately qualified and eligible candidates irrespective of age, race, religion, national origin, gender, sexual orientation, gender identity and/or expression, veteran status, disability, or any other status protected by applicable law.