Senior Database Administrator

Senior Database AdministratorSenior Database Administrator (SQL, MongoDB, Data Lakes, Vector & Graph Databases)Position: Senior Database AdministratorExperience Required: 12–15 YearsLocation: NoidaEmployment Type: Full-TimeAbout the RoleWe are looking for a highly skilled Database Administrator with 12–15 years of experience in database architecture, administration, and performance optimization. The ideal candidate will have deep hands-on expertise in SQL and NoSQL databases (MongoDB), Data Lakes, and emerging technologies such as Vector Databases and Graph Databases. This role demands a blend of strategic architecture skills and hands-on operational excellence, enabling scalable, high-performance, and secure data solutions for enterprise workloads.Key Responsibilities- Database Architecture & Design - Architect, design, and implement scalable database solutions using SQL (RDBMS), MongoDB, Vector DBs, and Graph DBs. - Develop and maintain data lake architectures to support analytics, AI/ML, and advanced reporting needs. - Establish data models, schemas, indexing strategies, and partitioning for performance and scalability. - Database Administration & Operations - Lead administration of MongoDB clusters, SQL databases, and cloud-native data services. - Manage database provisioning, replication, sharding, backup/restore, monitoring, and upgrades. - Ensure data security, compliance, and governance in multi-environment (on-prem & cloud) setups. - Performance & Optimization - Drive query tuning, indexing strategies, and workload balancing across heterogeneous databases. - Implement high availability (HA) and disaster recovery (DR) strategies. - Conduct capacity planning and forecasting for large-scale data environments. - Advanced Data Platforms - Implement and integrate Vector Databases to support AI/ML-driven search and generative AI applications. - Deploy and manage Graph Databases (e.g., Neo4j, ArangoDB, JanusGraph) for relationship-driven data use cases. - Integrate structured, semi-structured, and unstructured data pipelines into data lakes (e.g., Delta Lake, Lakehouse models). - Collaboration & Leadership - Partner with data scientists, application developers, and cloud engineers to deliver end-to-end data solutions. - Provide technical leadership, mentoring junior DBAs, and defining database best practices. - Support enterprise initiatives in data modernization, AI adoption, and cloud transformation.Required Skills & Experience- 12–15 years of proven experience as a Database Administrator in large-scale environments. - Strong expertise in MongoDB architecture & administration (replication, sharding, Atlas). - Deep experience with SQL databases (Oracle, MS SQL Server, PostgreSQL, MySQL). - Strong knowledge of data lake and lakehouse architectures (Delta Lake, Snowflake, or BigQuery). - Hands-on experience with Vector Databases (Pinecone, Weaviate, Milvus, FAISS, or equivalent). - Experience with Graph Databases (Neo4j, TigerGraph, Amazon Neptune, or equivalent). - Strong understanding of data modeling, indexing, caching, and query optimization. - Proficiency in automation, scripting, and DevOps practices for database administration (Python, Shell, Ansible, Terraform). - Knowledge of cloud data services (AWS RDS/Redshift, GCP BigQuery, Azure SQL, Cosmos DB). - Solid grasp of security, compliance, and data governance frameworks.Preferred Qualifications- Experience supporting AI/ML pipelines and real-time analytics. - Exposure to multi-cloud and hybrid data deployments. - Certifications in MongoDB DBA/Architect, Oracle DBA, Azure/GCP/AWS Data Engineer. - Strong experience in microservices-based architectures and database integration patterns.Education- Bachelor’s or Master’s degree in Computer Science, Information Systems, or related field. - Advanced certifications in databases or cloud platforms preferred.Why Join Us- Lead enterprise-wide initiatives in next-generation data platforms. - Work with cutting-edge database technologies powering AI, analytics, and mission-critical workloads. - Collaborate with global teams on complex, high-impact projects. - Competitive compensation, benefits, and career growth opportunities.Think global. Think BIG.Visit us: https://biglanguage.comLinkedin: https://www.linkedin.com/company/big-language-solutions/mycompany/