We are seeking an experienced Senior Database Administrator with 8+ years of hands-on experience managing large-scale, mission-critical SQL Server, Azure SQL, MongoDB and MongoDB Atlas environments. The ideal candidate will possess deep expertise in database administration, performance tuning, high availability, disaster recovery, security, automation, and production support, with the ability to work independently in a fast-paced environment.

Key Responsibilities

Administer, maintain, and optimize enterprise SQL Server, 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.
Lead administration and operational ownership of enterprise-scale MongoDB Atlas environments, ensuring high availability, security, scalability, and performance across mission-critical production workloads
Design, deploy, and manage MongoDB Atlas Projects, Clusters, Private Endpoints, Backup policies, and Disaster Recovery configurations in cloud environments.
Serve as the subject matter 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.

Required Qualifications

8+ years of SQL Server DBA, with 4+ years of MongoDB experience in enterprise production environments.
Extensive hands-on experience with SQL Server 2012–2025, Azure SQL, MongoDB, MongoDB Atlas including:
Always On Availability Groups with a focus on replica health troubleshooting and data synchronization issues
Replication
Change Data Capture (CDC)
Other core SQL Server technologies and features
Proven experience managing large databases and implementing table partitioning strategies.
Strong expertise in SQL Server performance tuning, including:
Query Store
Execution Plans
Extended Events
SQL Profiler
Missing Index Analysis
Solid experience troubleshooting performance and availability issues using:
Dynamic Management Views (DMVs)
Wait Statistics
Windows and SQL Server Error Logs
Windows Event Viewer
Performance Monitor (PerfMon)
Hands-on experience with Azure SQL Database services and Azure SQL Managed Instance, including end-to-end migration planning and execution.
Knowledge of Azure networking and cloud security concepts with the ability to troubleshoot related issues.
Experience implementing and managing database security technologies, including SSL/TLS certificates and Transparent Data Encryption (TDE).
Experience responding to vulnerability scan findings and implementing SQL Server security hardening recommendations.
Compliance & Auditing: Demonstrate in-depth understanding of regulatory requirements (e.g., HIPAA,PCI) and the ability to implement comprehensive auditing processes that ensure data security, integrity, and full adherence to industry compliance standards.
Strong T-SQL development skills with the ability to write, review, and optimize complex code.
Experience planning and executing SQL Server patching, cumulative updates, version upgrades, compatibility level changes, and post-upgrade validation for production environments.
Experience supporting large-scale production environments under high-pressure situations.
Experience responding to vulnerability scan findings and implementing SQL Server security hardening recommendations.
Working knowledge of Windows Server, Active Directory, VMware, and related infrastructure components that impact SQL Server performance and availability.
Ability to operate effectively without reliance on third-party database monitoring tools.

Preferred Qualifications

Experience administering and performance tuning MongoDB Atlas environments.
Working knowledge of PowerShell, Python, Chef, Git, and Venafi.
General Linux administration experience.
Experience designing and maintaining Grafana dashboards and monitoring solutions.

Desired Attributes

Strong analytical and troubleshooting skills.
Ability to work independently with minimal supervision.
Excellent communication and customer-facing skills.
Passion for continuous learning, innovation, and automation.
Proven ability to lead initiatives and serve as a trusted subject matter expert for database technologies.

WHAT WE OFFER

Hybrid
Laptop/Computer Provided by the Company
Market Total Rewards Package
Retirement Plan
Medical Plan (HMO) from Day 1 of employment
Dental, Medical, and Optical Reimbursements
Life and Disability Insurance
Paid Time-Off Benefits
Sick Leave Conversion
Tuition Reimbursement
Employee Assistance Program (EAP)
Annual Performance Based Merit Increases
Employee Recognition
Training and Staff Development
Employee Referral Program
Employee Volunteerism Opportunity
All Mandatory Statutory Benefits

Who we are

Optum is the health care technology and innovation company of the UnitedHealth Group enterprise along with UnitedHealthcare.
UnitedHealth Group is a health care and well-being company with a mission to help people live healthier lives and help make the health system work better for everyone.
We're a leading health solution and care delivery organization. Our work is complex, but our mission is simple: create a healthier world, with you at the center.
As part of a Fortune 5 enterprise, we are improving the health care experience of over 125 million people around the world.
Elevate your career with a leading health care company while improving lives.

Sr SQL Server Database Administrator (Mongodb)