Database Administrator - Postgres/MongoDB

APEX Fintech Services • Austin, TX

3d • Hybrid

About The Position

Apex Fintech Solutions is seeking a Junior Database Administrator to administer, optimize, and support high-volume, highly available database systems. The role covers GCP managed services, including Cloud SQL PostgreSQL, Memorystore for Redis/Valkey, AlloyDB, Spanner, and BigQuery, as well as MongoDB and PostgreSQL. The DBA will implement database changes through infrastructure as code and GitHub pull requests, support transactional replication to BigQuery, and help ensure database performance, reliability, security, and cost effectiveness.

The position works with engineering teams on schema reviews, query optimization, and BigQuery governance. It also supports database operations automation, CI/CD, monitoring, incident response, and disaster recovery. The role participates in off-hours on-call rotations in Central Time and scheduled maintenance activities. It operates in a hybrid office environment three days per week.

Requirements

• At least 5 years of hands-on database administrator experience, preferably with PostgreSQL and MongoDB.
• Bachelor’s degree in Computer Science, Computer Engineering, or equivalent work experience.
• Experience administering and optimizing PostgreSQL environments, including transactional replication.
• Experience with GCP Cloud SQL PostgreSQL and solid PostgreSQL database management knowledge.
• Experience with Terraform or other infrastructure-as-code practices and GitHub for managing database infrastructure changes.
• Experience with high-availability architectures and disaster recovery planning and execution.

Nice To Haves

• Experience with Memorystore for Redis, AlloyDB, Spanner, and BigQuery, including BigQuery performance tuning and administration.
• Experience with other cloud database platforms, such as Azure SQL or AWS RDS.
• Experience in a high-volume fintech or securities transactional environment.

Responsibilities

• Implement all database changes using infrastructure as code with Terraform and GitHub pull requests.
• Manage large-scale transactional replication with low-latency delivery, using BigQuery as a replication target, and tune performance and cost.
• Establish backup and restore processes, point-in-time recovery, high-availability and failover testing, disaster recovery runbooks, and an overall database support plan.
• Collaborate with engineering teams on schema reviews, query optimization, and BigQuery governance.
• Handle database security and audit tasks.
• Automate database operations, manage CI/CD for database changes, and maintain modern monitoring and alerting.
• Support incident response and participate in off-hours on-call rotations in Central Time.
• Participate in scheduled maintenance, including patching, very-large-database index work, and disaster recovery testing.

Benefits

• Healthcare benefits, including medical, dental, vision, and EAP.
• Competitive paid time off.
• 401(k) match.
• Parental leave.
• HSA contribution match.
• Paid Calm app subscription.
• External learning benefits.
• Tuition reimbursement.
• Hybrid work schedule for most roles, with flexibility to work from home and from a primary office.

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level