AtPaymentology, 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 aSenior PostgreSQL Database Administratorto provide technical leadership 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 & StrategyLead the design and implementation of secure, scalable PostgreSQL database architectures across hybrid and cloud environments including AWS RDS, Aurora, and Redshift.
Translate operational and business requirements into optimised 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 & PerformanceOversee the administration of PostgreSQL databases including configuration, upgrades, patching, and lifecycle management.
Lead complex PostgreSQL performance tuning initiatives through deep query analysis, execution plan optimisation, and resource allocation.
Provide technical guidance to engineers and junior DBAs on PostgreSQL schema design, indexing strategies, and query optimisation best practices.
Cloud Migrations & ModernisationLead 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 AvailabilityDesign 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 & GovernanceEnforce 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 & ScriptingImplement 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 optimisation and visibility.
Collaboration, Documentation & LeadershipAct as a PostgreSQL subject matter expert and trusted advisor 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, define PostgreSQL standards, and mentor junior DBAs to build internal capability 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 optimisation, and schema design at scale.
Strong understanding of cloud-native PostgreSQL services, particularly AWS RDS, Aurora, and Redshift.
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, Slony, and pgBouncer.
Strong knowledge of database security, access controls, encryption, and compliance frameworks.
Excellent communication and leadership skills 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:AtPaymentology, 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.
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