Senior Database Administrator

• Administer, maintain, monitor, and optimize enterprise database environments across production, development, testing, and disaster recovery platforms.
• Manage Microsoft SQL Server, Oracle Database, PostgreSQL, MySQL, or comparable relational database technologies within complex enterprise environments.
• Configure and maintain high-availability database solutions, including clustering, replication, failover, Always On Availability Groups, and comparable technologies.
• Monitor database health, performance, capacity, availability, resource utilization, and service-level objectives using enterprise monitoring platforms.
• Diagnose and resolve complex database performance issues involving SQL queries, indexing, locking, blocking, deadlocks, memory, CPU, storage, and I/O.
• Develop, test, and maintain comprehensive database backup, restoration, replication, and disaster recovery procedures aligned with business continuity requirements.
• Plan and execute database upgrades, migrations, patching, configuration changes, and platform maintenance while minimizing service disruption.
• Review and optimize SQL queries, stored procedures, execution plans, indexes, database configurations, and application data access patterns.
• Implement database security controls covering authentication, authorization, encryption, auditing, privileged access, vulnerability remediation, and security hardening.
• Collaborate with application developers, data engineers, architects, and infrastructure teams on database design, application releases, schema changes, and performance requirements.
• Automate recurring database administration activities using PowerShell, Python, Bash, SQL scripting, or comparable automation technologies.
• Establish database monitoring, alerting, performance baselines, capacity plans, technical documentation, operational procedures, and recovery runbooks.
• Lead technical investigations during major database incidents, root-cause analysis, service degradation, and complex production problems.
• Provide technical guidance and mentoring to database administrators and engineering teams while contributing to database architecture and modernization initiatives.

• Bachelor’s degree in Computer Science, Information Technology, Software Engineering, Information Systems, or a related technical discipline; equivalent professional experience may be considered.
• 7 or more years of professional experience in database administration, database engineering, infrastructure operations, or a closely related technical role.
• Advanced hands-on experience administering Microsoft SQL Server, Oracle Database, PostgreSQL, MySQL, or multiple enterprise relational database platforms.
• Strong SQL expertise covering complex queries, joins, common table expressions, stored procedures, functions, indexing, execution plans, and query optimization.
• Demonstrated experience designing and supporting high-availability and disaster recovery solutions using clustering, replication, failover, Always On Availability Groups, log shipping, or comparable technologies.
• Strong knowledge of database backup, recovery, disaster recovery testing, capacity planning, performance management, monitoring, and business continuity principles.
• Experience with cloud database platforms and services across Microsoft Azure, Amazon Web Services, Google Cloud Platform, or comparable enterprise environments.
• Practical experience with Azure SQL Database, Amazon RDS, Amazon Aurora, Azure Database for PostgreSQL, Oracle Cloud, or comparable managed database services.
• Proficiency with database administration and monitoring tools such as SQL Server Management Studio, Oracle Enterprise Manager, pgAdmin, Redgate, SolarWinds, or equivalent platforms.
• Strong scripting and automation capabilities using PowerShell, Python, Bash, SQL, or comparable technologies for administration and operational support.
• Knowledge of database security practices including encryption, identity and access management, auditing, privileged access, vulnerability management, and data protection.
• Experience working with IT service management processes including incident management, problem management, change management, service requests, and root-cause analysis.
• Familiarity with Windows Server, Linux, Git, CI/CD pipelines, virtualization, storage technologies, networking concepts, and infrastructure automation.
• Excellent analytical, troubleshooting, communication, documentation, and technical leadership skills; preferred certifications include Microsoft Certified: Azure Database Administrator Associate, AWS Certified Database - Specialty, Oracle Database certifications, PostgreSQL certifications, ITIL, or comparable credentials. Candidates must have the legal right to work in the United Kingdom.

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