TL;DR

Senior Database Administrator (SQL Server/PostgreSQL): Supporting multiple mission-critical payments platforms with an accent on stability, performance, integrity, and compliance. Focus on production operations, performance tuning, HA/DR, and security for high-throughput transactional systems.

Location: Onsite in Dublin, Ireland

Company

%hirify_global% Inc. is a leading worldwide provider of payment technology and software solutions for mission-critical payments platforms.

What you will do

Run production SQL Server and PostgreSQL in multi-environment estates (operations, upgrades, patching, access).
Perform performance engineering, including execution plans, Query Store/DMVs, pg_stat_statements, indexing, and partitioning.
Design and operate HA/DR solutions (AGs/replication), defining and meeting RPO/RTO, and leading restore and DR drills.
Own backup/restore strategy, cross-region replication, and audit evidence packs.
Ensure security and compliance, managing encryption, certificates, access controls, and audit trails.
Mentor engineers and document standards and best practices for database administration.

Requirements

4+ years’ enterprise DBA experience across SQL Server and/or PostgreSQL in production.
Proven experience in performance tuning (plans, stats, parameter sniffing, waits, EXPLAIN/ANALYZE).
Expertise in HA/DR design and operation (AGs/replication, backups/restores, failover).
Strong security and compliance mindset with audit-ready documentation skills.
Proficiency in automation, specifically with PowerShell.
Ability to monitor with native tools and Grafana/Prometheus or equivalents.

Nice to have

MySQL exposure and data warehousing experience.
Scripting with Python/Bash and familiarity with infrastructure-as-code.
Experience in payments/financial services or other high-throughput transactional systems.

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