Senior Database Administrator

Arch Capital Services – Sr. Database Administrator

As a Senior Database Administrator, you will be responsible for designing, implementing, maintaining, and optimizing robust and scalable database systems that support business-critical applications. Leverage deep expertise in database platforms such as Microsoft SQL Server, Azure SQL, Snowflake, and MongoDB to ensure the availability, security, and performance of enterprise data environments. You will participate in high availability, disaster recovery planning, backup and restore operations, and performance tuning, while identifying opportunities to improve operational efficiency through automation. Your work will align with industry best practices and the well-architected framework, ensuring reliable, compliant, and cost-effective database infrastructure across on-premises and cloud environments.

• Design, deploy, and maintain high availability and disaster recovery solutions, including SQL Server Always On Availability Groups, replication, log shipping, and database mirroring.
• Administer and optimize relational and non-relational databases across multiple platforms (Microsoft SQL Server, Azure SQL, Snowflake, MongoDB, MySQL, Oracle, Cosmos DB).
• Develop and manage backup and recovery strategies to ensure data protection and minimal downtime.
• Monitor database health, performance, and capacity using tools such as SQL Profiler, Extended Events, Query Store, and Azure Monitor.
• Implement security best practices including encryption, access control, auditing, and compliance reporting.
• Proactively tune performance, optimize indexing, and perform query optimization to improve scalability.
• Design and maintain maintenance plans, jobs, alerts, and automation scripts (T-SQL, PowerShell, etc.).
• Collaborate with application teams to support database development, data migrations, deployments, and troubleshooting.
• Document infrastructure configurations, operational procedures, and disaster recovery plans.
• Provide production support, troubleshooting, and root cause analysis for database-related incidents and outages.
• Participate in capacity planning, patching cycles, and upgrade projects to maintain system stability and support growth.
• Support cloud database architecture and services in Microsoft Azure, including Managed Instance, Azure SQL DB, and Azure Data Factory pipelines.

• Extensive experience with Microsoft SQL Server architecture, administration, and optimization, including Always On, failover clustering, replication, and log shipping.
• Strong working knowledge of Azure data services (Azure SQL Database, Azure SQL Managed Instance, Azure Data Factory), including provisioning, configuration, security, and performance management.
• Proficient in T-SQL, PowerShell, and scripting for automating maintenance tasks, backups, monitoring, and incident response.
• Hands-on experience with Snowflake administration, role-based access control, storage/compute optimization, and data integration.
• Experience with NoSQL and cloud-native databases (MongoDB, Cosmos DB, MongoDB Atlas), including data modeling, indexing, and backup/restoration.
• Deep understanding of backup and recovery strategies, including point-in-time recovery and recovery testing.
• Strong ability to interpret business requirements and translate them into resilient, scalable designs aligned with enterprise goals.
• Excellent documentation and communication skills to create runbooks, architectural diagrams, SOPs, and collaborate with cross-functional teams.
• Experience leading or supporting database modernization, cloud migration, and data platform consolidation initiatives.

• Bachelor’s degree in computer science, Computer Engineering, Information Systems, or related field, or 10 years of equivalent work experience.
• Excellent oral and written communication skills for both technical and non-technical audiences.
• Strong customer focus for database services and applications.
• Ability to establish relationships and influence colleagues to identify and address database issues.
• Knowledge of disaster recovery best practices for databases, including backup/restore planning and testing.
• Experience with blue/green deployments and canary tests for database changes and migrations.
• Experience working in hybrid on/offshore models for database development and administration.

• UK or Remote with occasional travel to Arch Office for summits, team gatherings, or workshops (up to 5% travel within the UK).

If you enjoy solving complex business problems and working with talented colleagues in an innovative environment, Arch may be a great fit for you. To explore more opportunities, consider creating a job alert or joining our talent community to stay informed about openings that match your criteria.