Senior Database Administrator

Looi Consulting · Argentina · posted today ago

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About this role

Remote | LATAM | Full-Time

About the Opportunity

Our client is a leading provider of secure digital communications and healthcare interoperability solutions.

We are looking for a highly experienced, hands-on Senior Database Administrator to manage, optimize, and support mission-critical databases in a cloud-based production environment.

This role requires deep expertise in Oracle, PostgreSQL, MySQL, AWS, and Linux, along with a strong focus on database performance, high availability, security, automation, and production reliability.

The ideal candidate is proactive, technically independent, and comfortable supporting complex database environments while collaborating closely with engineering and operations teams.

You must be able to work standard US time zones (UTC-8 to UTC-5/UTC-7 to UTC-4).

Key Responsibilities

Administer and maintain Oracle, PostgreSQL, and MySQL databases running on Linux and AWS.
Support mission-critical 24/7 production databases and Business Intelligence (BI) systems, ensuring reliability, performance, and availability.
Monitor database health, optimize SQL queries, troubleshoot performance bottlenecks, and manage database capacity and storage.
Implement and maintain cloud-based data replication solutions using AWS DMS, Kinesis, and related technologies.
Develop and maintain SQL, PL/SQL, PSQL, and Linux shell scripts for database operations and automation.
Collaborate with engineering teams to deploy database changes across development, testing, and staging environments.
Apply DevOps practices and CI/CD tools to streamline database deployments and change management.
Leverage AI tools to automate repetitive database administration tasks and improve operational efficiency.
Maintain database security and ensure adherence to applicable PCI DSS, HITRUST, SOX, and SOC 2 controls.
Investigate and resolve production incidents, perform root-cause analysis, and implement preventive improvements.
Follow established change management procedures using Jira, Git, and related tools.

Required Qualifications

8+ years of hands-on database administration experience with Oracle, PostgreSQL, and MySQL in Linux environments.
4+ years of hands-on experience deploying and managing databases in AWS.
Proven experience supporting business-critical, 24/7 production databases and BI systems.
Strong expertise in database performance tuning, monitoring, troubleshooting, and space management.
Hands-on experience implementing cloud data replication using AWS DMS, Kinesis, or similar technologies.
Advanced SQL, PL/SQL, PSQL, and Linux shell scripting skills.
Practical experience with DevOps methodologies, CI/CD pipelines, and database change management.
Proficiency with Jira, Git, and structured change control processes.
Familiarity with PCI DSS, HITRUST, SOX, and SOC 2 security and compliance requirements.
Experience using AI tools to automate database administration tasks and improve productivity.
Strong problem-solving skills, ownership mindset, and ability to work independently.
Excellent English communication skills and ability to collaborate with distributed teams.

Preferred Qualifications

Experience with database migrations, replication, and cloud modernization projects.
Knowledge of AWS database and monitoring services, including RDS and CloudWatch.
Experience implementing database automation using Python, Bash, or infrastructure-as-code tools.
Experience supporting high-volume SaaS platforms or applications in regulated industries.
Familiarity with high availability, disaster recovery, and backup/recovery strategies.

What We're Looking For

A senior, hands-on DBA who takes ownership of database reliability and performance. Someone who can independently troubleshoot complex production issues, proactively improve database operations, and use automation and AI tools to make systems more efficient, secure, and scalable.