Database Administrator (PostgreSQL / MSSQL)

Location : Mexico

Position Summary

We are seeking an experienced Database Administrator (DBA) with strong expertise in PostgreSQL and Microsoft SQL Server (MSSQL) administration. The adecuado candidate will have extensive experience supporting large-scale, high-transaction database environments in both on-premises and cloud platforms. This role requires strong database performance tuning skills, cloud database administration experience, and the ability to collaborate effectively with global teams to ensure database reliability, availability, and performance. Required Technical Skills

Database Technologies

- PostgreSQL Administration
- Microsoft SQL Server (MSSQL) Administration
- Database Performance Tuning and Optimization
- Database Backup and Recovery Strategies
- High Availability (HA) and Disaster Recovery (DR) Solutions

Cloud Technologies

- Minimum 5+ years of experience working with AWS or other cloud platforms

- Experience supporting
- Amazon RDS PostgreSQL
- Amazon Aurora PostgreSQL
- Cloud-based database environments

Monitoring Tools

- AWS CloudWatch
- Foglight
- Datadog
- Other enterprise database monitoring and observability tools

Scripting & Automation

- Shell Scripting
- Python Scripting
- Troubleshooting and debugging automation scripts

Key Responsibilities Database Platform Administration (On-Premises & Cloud)

- Install, configure, upgrade, patch, and maintain database software.
- Administer PostgreSQL databases across on-premises and cloud environments.
- Manage database platforms to ensure high availability, reliability, and performance.
- Perform database startup, shutdown, restart, and failover activities.




- Execute capacity planning and database scaling initiatives to support business growth.
- Troubleshoot database infrastructure, performance, and availability issues.
- Support automated monitoring solutions and respond to alerts proactively.
- Participate in planned maintenance windows and outage activities.
- Perform database tuning and optimization to meet established SLA requirements.

Database Maintenance & Support

- Maintain database environments to meet availability, reliability, and performance SLAs.
- Conduct proactive and reactive maintenance activities to minimize service disruptions.
- Support database migrations, upgrades, and platform modernization initiatives.
- Implement changes in compliance with established Change Management processes.
- Provide DBA support during incidents, problem management activities, and business-as-usual (BAU) operations.
- Assist in troubleshooting production database issues and performance bottlenecks.

Administrative & Operational Support

- Coordinate with infrastructure, application, middleware, network, and cloud teams during incidents and maintenance activities.
- Create and maintain operational documentation, including:
- Standard Operating Procedures (SOPs)
- Runbooks
- Root Cause Analysis (RCA) reports
- Knowledge Base articles

- Assist application teams with:

- Performance testing
- Query tuning




- Database troubleshooting
- Capacity planning

- Develop and maintain database standards, policies, and operational procedures.

Required Qualifications

- Experience supporting large-scale, high-volume transactional database environments.
- Strong expertise in database performance tuning, optimization, and deep-dive performance analysis.
- Hands-on experience configuring, administering, and supporting PostgreSQL databases.
- Strong understanding of backup, recovery, and disaster recovery methodologies.
- Experience working in cloud environments, preferably AWS.
- Strong troubleshooting and problem-solving skills.
- Ability to work effectively under pressure and meet tight delivery timelines.
- Excellent verbal and written communication skills.
- Experience working in a global delivery model and collaborating across geographically distributed teams.
- Ability to communicate effectively with business stakeholders, technical teams, and senior leadership.

Preferred Qualifications

- IBM DB2 LUW Administration
- Advanced Microsoft SQL Server Administration
- Experience with database migration projects
- Experience supporting enterprise monitoring and observability platforms
- Knowledge of Infrastructure-as-Code (IaC) and automation frameworks
- ITIL process knowledge (Incident, Problem, Change Management)

Soft Skills

- Strong analytical and troubleshooting skills
- Excellent stakeholder management and communication abilities
- Ability to work independently and collaboratively
- Strong documentation and process-oriented mindset
- Proven ability to manage multiple priorities in a fast-paced environment

📌 Postgres Administration , MSSQL Server Admin (Monterrey)
🏢 Infosys
📍 Monterrey