Senior SQL & MongoDB Database Engineer - Cloud & AI

UnitedHealth Group; Philippines; On-site; Confidential; Full time

Job summary

UnitedHealth Group's Optum unit in the Philippines seeks an experienced database administrator to manage enterprise MSSQL, Azure SQL, and MongoDB environments, ensuring high availability, security, and performance across critical workloads.

You will design, implement, and optimize database solutions, participate in migrations, and drive improvements with AI-assisted tooling, Terraform or Ansible, and modern monitoring platforms such as Grafana and Datadog.

Qualifications

• Bachelor's degree in computer science, Data Engineering, Information Technology, or a related field.
• 8+ years of Microsoft SQL Server database administration experience in handling versions between Microsoft SQL Server 2012-2025 and Azure SQL database or Managed Instance in production environments
• 2+ years of MongoDB or MongoDB Atlas administration experience in enterprise production environments
• 2+ years of experience in programming using T-SQL and PowerShell for data transformation and infrastructure automation
• Ability to participate in a rotational on-call support

Responsibilities

• Administer, maintain, and optimize enterprise MSSQL, Azure SQL, MongoDB environments supporting critical business applications
• Ensure high availability, disaster recovery readiness, and optimal database performance
• Troubleshoot and resolve database, infrastructure, and application-related issues using native SQL Server, Windows tools, Azure SQL, MongoDB, MongoDB Atlas
• Provide expert support in administration and operational ownership of enterprise-scale MSSQL and MongoDB environments, ensuring high availability, security, scalability, and performance across mission-critical production workloads
• Perform installation and upgrades, performance tuning, high availability and disaster recovery, monitoring, patching, TDE/TLS encryption, backup and recovery, security, automation (T-SQL/PowerShell), capacity planning, and troubleshoot mission-critical enterprise database environments
• Demonstrate expertise in SQL Server performance tuning, including Query Store, Execution Plans, Extended Events, SQL Profiler, Missing Index Analysis, Dynamic Management Views (DMVs), Wait Statistics, Windows and SQL Server Error Logs, and Performance Monitor
• Participate in administering Azure SQL database and Managed Instance, including end-to-end migration planning and execution
• Design, deploy, and manage MongoDB Atlas Projects, Clusters, Private Endpoints, Backup policies, and Disaster Recovery configurations in cloud environments
• Serve as key expert for MongoDB Atlas architecture, including replica sets, sharding, multi-region deployments, Atlas Search, and cloud-native database services
• Participate in architecture and design reviews, providing expert guidance on database solutions and performance optimization
• Lead database-related projects and drive continuous improvement through automation and adoption of emerging technologies, including AI-driven solutions
• Drive the adoption of AI-assisted database engineering solutions to improve operational efficiency, automate routine administrative tasks, accelerate root cause analysis, and optimize database performance and reliability
• Provide on-call support on a rotational basis and be available during scheduled support windows
• Comply with the terms and conditions of the employment contract, company policies and procedures, and any and all directives regarding flexibility of work benefits and/or work environment

Skills

SQL Server

Azure SQL

MongoDB

PowerShell

T-SQL

On-call rotation

Education

Bachelor's degree in computer science, IT, or related field

Tools

MongoDB Atlas

Azure

Grafana

Datadog

Terraform

Ansible

Job description

UnitedHealth Group's Optum unit in the Philippines seeks an experienced database administrator to manage enterprise MSSQL, Azure SQL, and MongoDB environments, ensuring high availability, security, and performance across critical workloads.

You will design, implement, and optimize database solutions, participate in migrations, and drive improvements with AI-assisted tooling, Terraform or Ansible, and modern monitoring platforms such as Grafana and Datadog.