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The Database Engineer plays a key role in designing, implementing, administering, and maintaining robust enterprise database platforms that support T-Mobile's large-scale applications and analytics. This position is responsible for the full lifecycle administration of MS SQL Server environments, while also driving modernisation through cloud-native database services, automation, and observability.
You will collaborate with software engineers, cloud architects, and DevOps teams to deliver secure, scalable, and high-performance database solutions across on-premises and cloud environments. The role combines strong hands-on SQL Server administration expertise with strategic thinking and continuous improvement of mission-critical systems.
Responsibilities:
Design, implement, and administer enterprise-grade database architectures for transactional and analytical workloads.
Provide full lifecycle MS SQL Server administration, including installation, configuration, patching, version upgrades, and decommissioning.
Support and automate database provisioning, schema management, configuration management, and upgrades through CI/CD pipelines across on-premises and cloud-native environments.
Design, implement, and support High Availability and Disaster Recovery (HA/DR) solutions using Always On Availability Groups, Failover Cluster Instances, Log Shipping, and Replication.
Implement and maintain backup, recovery, and data protection strategies, ensuring alignment with defined RPO/RTO and compliance standards.
Support cloud database platforms such as Azure SQL Database, Azure SQL Managed Instances, and AWS RDS for SQL Server.
Monitor and optimise database performance through query tuning, indexing strategies, execution plan analysis, and capacity planning.
Implement observability, monitoring, and alerting for database health, performance, and availability using industry-standard tools.
Troubleshoot complex database issues and perform root cause analysis to improve reliability and resilience.
Participate in 24/7 on-call support rotation and contribute to operational excellence initiatives.
Requirements:
Experience with Infrastructure as Code (IaC) practices and tools.
Proficiency in scripting languages: Python/Bash/Shell.
Exposure to observability platforms such as Prometheus, Grafana, Splunk, and OpenTelemetry.
Skills Required: SQL, Database Administration, DBA, Database Admin, Shell, Python, Bash.
Experience
7-11 yrs
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