Database Administrator (12-month contract)

3-5 Years

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Early Applicant

Job Description

Responsibilities

Manage and maintain database systems: PostgreSQL primary, MySQL, ClickHouse, and NoSQL (e.g., MongoDB, Redis).
Perform regular database maintenance, including:
Upgrades and patch management for all supported databases.
Performance optimization through tuning queries, indexes, partitions, and configuration parameters.
Housekeeping tasks, such as managing table bloat, archiving old data, and cleaning up unused objects.
Ensure database systems are secure, backed up, and regularly maintained in compliance with regulatory and security standards (e.g., PCI-DSS).
Monitor, troubleshoot, and resolve database incidents, slow queries, or replication issues.
Automate database operations using scripts or orchestration tools.
Collaborate with application and infrastructure teams to design resilient, scalable database architectures.
Establish and maintain database monitoring, alerting, and capacity planning.
Document all operational procedures, configurations, and incident responses for transparency and repeatability.

Requirements

3+ years of hands-on experience as a DBA or Database Engineer managing production databases.
Strong practical knowledge in PostgreSQL (must-have), MySQL, ClickHouse (or other OLAP databases), NoSQL solutions such as MongoDB, Redis, or DynamoDB
Solid understanding of database internals, performance tuning, query optimization, and storage management.
Comfortable working in Linux environments and scripting (Bash, Python).
Experience with cloud platforms (AWS preferred), including RDS, Aurora, EC2, and S3.
Experience with database backup/restore strategies and disaster recovery planning.
Familiarity with security best practices in database management.
Analytical mindset and detail-oriented.
Strong communication and collaboration skills.
Ability to work independently, prioritize tasks, and respond quickly to production issues.