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Cloud PostgreSQL DBA

2 semanas atrás

Lisboa, Lisboa, Portugal Paymentology Tempo inteiro

At Paymentology, we're redefining what's possible in the payments space. As the first truly global issuer-processor, we give banks and fintechs the technology and talent to launch and manage Mastercard and Visa cards at scale – across more than 60 countries.

Our advanced, multi-cloud platform delivers real-time data, unmatched scalability, and the flexibility of shared or dedicated processing instances. It's this global reach and innovation that sets us apart.

We're looking for a Senior PostgreSQL Database Administrator to provide senior-level technical expertise across our PostgreSQL estate, ensuring the performance, scalability, security, and resilience of our mission-critical data platforms. This role is central to shaping database strategy, leading cloud migrations, and driving operational excellence across global, high-availability systems.

What you get to do:

Database Architecture & Strategy

  • Contribute to the design and implementation of secure, scalable PostgreSQL database architectures across hybrid and cloud environments including AWS RDS Aurora, and GCP CloudSQL/AlloyDB.
  • Translate operational and business requirements into optimized PostgreSQL schemas, storage strategies, and replication topologies.
  • Evaluate and integrate emerging PostgreSQL technologies and features to support platform growth, resilience, and long-term sustainability.

Database Administration & Performance

  • Oversee the administration of PostgreSQL databases including configuration, upgrades, patching, and lifecycle management.
  • Lead complex PostgreSQL performance tuning initiatives through deep query analysis, execution plan optimization, and resource allocation.
  • Provide technical guidance to engineers on PostgreSQL schema design, indexing strategies, and query optimization best practices.

Cloud Migrations & Modernization

  • Lead end-to-end PostgreSQL migration projects from on-premise to cloud-native platforms, including lift-and-shift and re-platforming initiatives.
  • Ensure seamless integration of PostgreSQL with cloud infrastructure while maintaining data integrity, availability, and performance.
  • Design and implement solutions supporting elasticity, auto-scaling, and disaster recovery in cloud environments.

Backup, Recovery & High Availability

  • Design and manage robust PostgreSQL backup, recovery, and disaster recovery strategies to ensure rapid restoration and data protection.
  • Implement high availability architectures using PostgreSQL replication, clustering, and failover mechanisms.
  • Regularly test and validate disaster recovery procedures across environments to meet business continuity requirements.

Security & Governance

  • Enforce enterprise-grade PostgreSQL security standards including encryption, role-based access control, auditing, and compliance adherence.
  • Collaborate with Information Security and Compliance teams to support audits and regulatory requirements.
  • Proactively identify and remediate PostgreSQL vulnerabilities and security risks.

Monitoring, Automation & Scripting

  • Implement monitoring and alerting solutions to proactively track PostgreSQL performance, capacity, and operational health.
  • Develop automation and tooling using Python, Bash, or PowerShell to streamline PostgreSQL administration and reduce operational overhead.
  • Leverage PostgreSQL community and open-source tools such as pgBadger, pgPool, pgBouncer, and pgAdmin for optimization and visibility.

Collaboration & Documentation

  • Act as a PostgreSQL subject matter expert across database initiatives and platform projects.
  • Collaborate with engineering, DevOps, and infrastructure teams to support CI/CD pipelines and production releases.
  • Maintain clear technical documentation and contribute to defining PostgreSQL standards and best practices.
Requirements

What it takes to succeed:

  • Minimum 7 years of experience in database administration with advanced, hands-on expertise in PostgreSQL.
  • Strong expertise in PostgreSQL architecture, internals, and operational management within enterprise environments.
  • Deep experience in PostgreSQL performance tuning, query optimization, and schema design at scale.
  • Strong understanding of cloud-native PostgreSQL services, particularly AWS RDS Aurora and GCP CloudSQL/AlloyDB.
  • Proficiency in automation and scripting for PostgreSQL operations using Python, Bash, or PowerShell.
  • Advanced knowledge of PostgreSQL backup, replication, high availability, and disaster recovery concepts.
  • Hands-on experience with PostgreSQL ecosystem tools such as pgBadger, pgPool, and pgBouncer.
  • Strong knowledge of database security, access controls, encryption, and compliance frameworks.
  • Excellent communication with the ability to influence and guide technical teams.
  • A strategic, continuous-improvement mindset with strong ownership and accountability.
What you can look forward to:

At Paymentology, it's not just about building world-class payment technology, it's about building a company where people feel they belong and their work matters. You'll be part of a diverse, global team committed to making a meaningful impact, with the opportunity to work on large-scale, mission-critical platforms while growing your career in a supportive and forward-thinking environment.