Sr Database Administrator - MSSQL Server/Postgres/MongoDB

APEX Fintech Services; Austin (TX); On-site; USD 120,000 - 160,000; Full time

Job summary

Apex Fintech Solutions seeks an experienced Senior Database Administrator to manage, maintain, and support Microsoft SQL Server and PostgreSQL environments across Development, UAT, and Production.

The DBA will ensure database availability, security, performance, backup and recovery readiness, replication reliability, and operational automation. Strong T‑SQL, PowerShell, and cloud platform experience preferred (GCP). Terraform/IaC skills are a plus.

Qualifications

• 8+ years of hands‑on Microsoft SQL Server DBA and Postgres experience.
• Bachelor's degree in Computer Science, Computer Engineering, or equivalent work experience required.
• Experience supporting SQL Server 2016, 2019, and/or 2022.
• Strong T‑SQL scripting, query optimization, and performance‑tuning skills.
• Proficiency in PowerShell scripting for SQL Server administration and operational automation.
• Experience with SQL Server backup, restore, recovery, and disaster‑recovery processes.
• Strong knowledge of database security, user access management, roles, and permissions.
• Experience with SQL Server monitoring tools such as Idera SQL Diagnostic Manager (SQL DM) or similar platforms.
• Experience managing database storage, transaction logs, file growth, and capacity planning.
• Knowledge of database replication and data‑integration technologies.
• Experience supporting production incidents, root‑cause analysis, and change‑management processes.

Responsibilities

• Administer and optimize high volume Microsoft SQL Server instances and PostgreSQL systems (including Cloud SQL) in highly available environments.
• Install, configure, patch, upgrade, and maintain SQL Server instances and databases.
• Manage database security, including user access, roles, permissions, and Active Directory integration.
• Perform database backups, restores, recovery testing, and snapshot activities.
• Monitor and optimize database performance, availability, storage, data files, and transaction logs.
• Execute SQL scripts for application deployments, schema changes, data population, and remediation.
• Develop and maintain PowerShell scripts to automate routine DBA tasks, including health checks, backups, maintenance, job monitoring, disk‑space validation, and reporting.
• Schedule, monitor, and troubleshoot automated database administration jobs and SQL Agent jobs.
• Respond to monitoring alerts related to disk space, transaction log growth, failed jobs, database availability, and performance issues.
• Investigate and resolve database connectivity, permissions, replication, and performance incidents.
• Support and maintain Fivetran HVR replication channels for on‑premises‑to‑cloud data movement.
• Troubleshoot replication failures and ensure data consistency across source and target systems.
• Support database change requests, technical requirement deployments, UAT testing, and production releases.
• Collaborate with development, infrastructure, security, application support, and data teams.
• Participate in scheduled maintenance windows and occasional after‑hours production support.
• Create and maintain DBA documentation, operational procedures, and runbooks.

Skills

SQL Server

PostgreSQL

PowerShell

T-SQL

Cloud platforms (GCP)

Terraform

IaC

Education

Bachelor's degree in Computer Science, Computer Engineering, or equivalent

Tools

PowerShell

Google Cloud Platform

Terraform

Job description

WHO WE ARE

Apex Fintech Solutions (Apex) powers innovation and the future of digital wealth management by building tech-forward solutions that help simplify, automate, and facilitate access to financial markets for all. Our robust suite of fintech software enables us to support clients such as Stash, Betterment, SoFi, Webull, and eToro, amongst many others; collectively, Apex powers access to the stock market for over 22+ million end customers.

At Apex, we are changing how the securities industry operates by reinventing the status quo, which was manual, slow, and accessible only by the ultra-wealthy. We're digitizing and democratizing systems so that everyone has an opportunity to invest.

When you're at Apex, you drive this change. You're part of a global team with a clear vision: to be the trusted technology that powers the digital economy. Our offices in Austin, Dallas, Chicago, New York, Portland, Belfast, and Manila are home to over 1,000 employees.

Together, we're shaping the future of financial innovation. Embrace change. Solve big. Win together. And be G.R.E.A.T. - grit, results, empathy, accountability, and teamwork - with Apex.

We're proud to be recognized for the innovative work we do, the purpose-driven nature of our work, and the collaborative culture we've created. Here are just a few of the many awards we've recently received:

Best Places to Work

2026, 2025, 2024, 2023 - Presented by BuiltIn

WealthTech of the Year

2025 - Presented by US FinTech Awards

The World's Top 250 Fintech Companies

2024 - Presented by CNBC

ABOUT THIS ROLE

About the Role

We are seeking an experienced Senior Database Administrator (DBA) to manage, maintain, and support Microsoft SQL Server and PostgreSQL environments across Development, UAT, and Production.

The DBA will be responsible for ensuring database availability, security, performance, backup and recovery readiness, replication reliability, and operational automation.

The ideal candidate will have strong hands‑on experience in SQL Server and PostgreSQL administration, T‑SQL development, PowerShell scripting, troubleshooting, and production support. Experience working with cloud platforms‑preferably Google Cloud Platform (GCP)‑is highly desirable. Familiarity with Terraform and Infrastructure as Code (IaC) practices is also preferred.

Key Responsibilities

• Administer and optimize high volume Microsoft SQL Server instances and PostgreSQL systems (including Cloud SQL) in highly available environments.
• Install, configure, patch, upgrade, and maintain SQL Server instances and databases.
• Manage database security, including user access, roles, permissions, and Active Directory integration.
• Perform database backups, restores, recovery testing, and snapshot activities.
• Monitor and optimize database performance, availability, storage, data files, and transaction logs.
• Execute SQL scripts for application deployments, schema changes, data population, and remediation.
• Develop and maintain PowerShell scripts to automate routine DBA tasks, including health checks, backups, maintenance, job monitoring, disk‑space validation, and reporting.
• Schedule, monitor, and troubleshoot automated database administration jobs and SQL Agent jobs.
• Respond to monitoring alerts related to disk space, transaction log growth, failed jobs, database availability, and performance issues.
• Investigate and resolve database connectivity, permissions, replication, and performance incidents.
• Support and maintain Fivetran HVR replication channels for on‑premises‑to‑cloud data movement.
• Troubleshoot replication failures and ensure data consistency across source and target systems.
• Support database change requests, technical requirement deployments, UAT testing, and production releases.
• Collaborate with development, infrastructure, security, application support, and data teams.
• Participate in scheduled maintenance windows and occasional after‑hours production support.
• Create and maintain DBA documentation, operational procedures, and runbooks.

Required Qualifications

• 8+ years of hands‑on Microsoft SQL Server DBA and Postgres experience.
• Bachelor's degree in Computer Science, Computer Engineering, or equivalent work experience required.
• Experience supporting SQL Server 2016, 2019, and/or 2022.
• Strong T‑SQL scripting, query optimization, and performance‑tuning skills.
• Proficiency in PowerShell scripting for SQL Server administration and operational automation.
• Experience with SQL Server backup, restore, recovery, and disaster‑recovery processes.
• Strong knowledge of database security, user access management, roles, and permissions.
• Experience with SQL Server monitoring tools such as Idera SQL Diagnostic Manager (SQL DM) or similar platforms.
• Experience managing database storage, transaction logs, file growth, and capacity planning.
• Knowledge of database replication and data‑integration technologies.
• Experience supporting production incidents, root‑cause analysis, and change‑management processes.
• Exper