About the Role
Origin Systems is seeking an experienced, detail-oriented Senior Database Administrator (DBA) to join our core infrastructure and data architecture team in London. In this critical role, you will be responsible for the health, performance, security, and scalability of our relational and non-relational database environments supporting mission-critical enterprise applications.
Working closely with Software Engineering, Cloud Operations, and Data Analytics teams, you will lead high-availability database design, disaster recovery planning, query optimization, and cloud migration initiatives. This position balances proactive systems management with technical leadership, providing guidance to junior database engineers while maintaining top-tier data reliability and compliance.
Key Responsibilities
- Database Architecture & Administration: Maintain, configure, and optimize high-availability database systems (SQL Server, PostgreSQL, MySQL, or Oracle) across on-premises and cloud infrastructures (AWS RDS / Azure SQL).
- Performance Tuning & Optimization: Monitor system performance, conduct proactive health checks, rewrite complex queries, and manage indexing strategies to resolve performance bottlenecks.
- Backup, Recovery & High Availability: Design, test, and implement robust backup, point-in-time recovery, failover, and disaster recovery strategies (AlwaysOn Availability Groups, Replication, Clustering).
- Security, Governance & Compliance: Enforce role-based access control (RBAC), data encryption (at rest and in transit), auditing, and compliance standards (GDPR, ISO 27001).
- Automation & Maintenance: Script routine maintenance tasks, index rebuilds, statistics updates, and database deployments using PowerShell, Python, or T-SQL/PL-SQL.
- Mentorship & Incident Escalation: Serve as the senior escalation point for database outages or incidents, perform root-cause analysis, and mentor junior database administrators.
Skills & QualificationsEssential
- 5+ years of commercial experience as a Database Administrator managing enterprise-scale production environments.
- Deep expertise in core relational database management systems (Microsoft SQL Server, PostgreSQL, MySQL, or Oracle RDBMS).
- Hands-on experience with managed cloud databases (AWS RDS, Aurora, Azure SQL Managed Instance).
- Proven track record in query optimization, execution plan analysis, index tuning, and database capacity planning.
- Strong experience configuring High Availability (HA) and Disaster Recovery (DR) solutions (Clustering, AlwaysOn, Log Shipping, Mirroring).
- Proficiency in automation and scripting using PowerShell, Python, Bash, or SQL-based scripting languages.
- Solid understanding of data protection laws (GDPR) and database security hardening.
Desirable
- Relevant Professional Certifications: Microsoft Certified: Azure Database Administrator Associate, AWS Certified Database - Specialty, or Oracle Certified Professional (OCP).
- Experience with NoSQL databases (MongoDB, Redis, Cassandra, or DynamoDB).
- Knowledge of Infrastructure as Code (IaC) tools like Terraform for database provisioning.
- Experience with CI/CD integration for automated database schema migrations (e.g., Flyway, Liquibase).
Benefits
- Annual performance-based bonus
- Hybrid working model (3 days central London office / 2 days remote)
- 25 days annual leave plus UK bank holidays
- Enhanced pension scheme (up to 8% company match)
- Private medical and dental insurance
- Life assurance (4x base salary)
- £1,500 annual personal learning and development budget
- Paid professional certifications and exam fees
- Cycle to Work scheme & Electric Vehicle (EV) salary sacrifice scheme
- Enhanced maternity, paternity, and adoption leave
- Regular tech meetups, team socials, and company events
How to Apply
If you are a skilled Senior DBA ready to take ownership of enterprise database environments and drive data performance in London, submit your updated CV today to begin the application process.
Pay: £71,000.00-£74,000.00 per year
Benefits:
- Company pension
- Free parking
- Life insurance
- On-site parking
Work Location: In person
