**Job Summary** The Senior Database Administrator (Level 9) is responsible for operational support, maintenance, and optimization of enterprise database platforms including Microsoft SQL Server and MongoDB. This role focuses on **reliable production operations** , **incident resolution** , and **continuous improvement** while working independently on complex systems. **Key Accountabilities** + Administer and support **enterprise SQL Server and MongoDB environments** across distributed infrastructure + Perform **day-to-day operational support** including monitoring, patching, performance tuning, and capacity management + Actively participate in **incident, problem, and change management processes** + Lead **root cause analysis (RCA)** and implement preventative solutions + Support **high availability (HA) and disaster recovery (DR)** solutions (AGs, clustering, replica sets, sharding) + Execute and validate **backup and recovery processes** for both platforms + Utilize **MongoDB Ops Manager** for monitoring, patching, automation, and operational visibility + Develop and maintain **automation scripts** (PowerShell, Python, Bash, T-SQL, Mongo Shell) + Monitor system health using **metrics, logs, and observability tools** + Collaborate with Engineering and stakeholders to **improve stability and performance** + Support **infrastructure deployments and setting builds** (on-prem and cloud) + Ensure adherence to **security, audit, and compliance requirements** **Technical Responsibilities** + Manage: + SQL Server: backups, indexing,



query tuning, clustering + MongoDB: replica sets, sharding, backups, performance tuning + Perform **performance analysis and tuning across both platforms** + Troubleshoot **cross-layer issues** (OS, network, storage, database) + Support **cloud environments (Azure / MongoDB Atlas)** + Maintain **runbooks, SOPs, and technical documentation** **Required Experience & Skills** + 5+ years of DBA experience (SQL Server and/or MongoDB) + Hands-on experience with: + SQL Server administration and T-SQL + MongoDB operations including **replica sets and backup/recovery** + **MongoDB Ops Manager** (monitoring, automation) + Robust understanding of: + HA/DR concepts + Database security and access control + Experience with: + Windows and Unix/Linux platforms + Automation and scripting + Working knowledge of **incident, change, and problem management (ITIL)** + Ability to work independently on **moderately to highly complex systems** **Behavioral Competencies** + Robust troubleshooting and analytical skills + Effective communication with technical teams and stakeholders + Continuous improvement mindset + Team-oriented with ability to mentor junior staff (emerging capability) Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

📌 MONGODB MSSQL DBA (Bengaluru)
🏢 Cognizant
📍 Bengaluru