Senior Technical Architect (Database & Snowflake) at Mavenir Systems Pvt Ltd (2018-12 – 2025-09)
- Architected enterprise Snowflake platforms supporting mission-critical telecom analytics and high-concurrency operational workloads across multiple business domains.
- Designed and governed complex multi-account Snowflake organizations, establishing seamless account replication, robust failover/DR strategies, precise workload isolation, and mature cost governance frameworks.
- Led cross-functional migration and data modernization initiatives moving legacy Oracle and MySQL transactional architectures into highly scalable Snowflake-based Medallion data lakes.
- Enforced rigorous enterprise data security controls including deep RBAC models, Network Policies, Row Access Policies, Dynamic Data Masking, and strict governance standards for sensitive global datasets.
- Engineered automated batch and real-time streaming ingestion frameworks leveraging Snowpipe, Snowpipe Streaming, Streams, Tasks, Kafka, and dbt.
- Pioneered Cortex AI-driven analytics solutions using Cortex Search and Cortex Analyst to facilitate natural language data discovery and advanced operational business intelligence.
- Developed and containerized interactive Streamlit-based analytics applications natively integrated into Snowflake to empower business users and field operations teams.
- Established robust CI/CD deployment pipelines for enterprise Snowflake database artifacts utilizing GitHub, GitLab, and Jenkins.
- Provided direct Tier-3 architectural intervention and troubleshooting for high-impact global telecom infrastructure under strict SLA windows.
Manager DBA at Tech Mahindra Limited (2016-07 – 2018-12)
- Managed multi-site enterprise Oracle and PostgreSQL environments driving operations for high-volume enterprise business applications.
- Spearheaded large-scale database infrastructure upgrades, cloud-ready migrations, comprehensive performance optimization, and rigorous security hardening frameworks.
- Ensured flawless continuity through elite High Availability (HA) and Disaster Recovery (DR) frameworks built via Oracle Data Guard and specialized PostgreSQL architectures.
- Supervised active Oracle GoldenGate and SharePlex replication systems to sustain zero-lag, real-time data synchronization.
- Achieved substantial operational efficiency gains by automating complex DBA administrative runs utilizing customized Python and Shell orchestration scripts.
- Drastically minimized database query latency through deep-dive SQL tuning, data indexing re-designs, and targeted workload profiling.
Solutions Architect at Happiest Minds Technologies Pvt Ltd (2013-01 – 2016-07)
- Designed, modeled, and deployed production-grade PostgreSQL and Oracle enterprise database designs for multi-national client portfolios.
- Served as technical lead across end-to-end database migrations, infrastructure sizing, and legacy platform modernization roadmaps.
- Architected high-throughput Oracle RAC and clustered PostgreSQL environments engineered to sustain massive transactional spikes.
- Successfully shaped database outcomes and infrastructure overhauls for landmark tier-1 organizations including Reliance Jio, Deutsche Bank, and Freedom Communications.
Technology Consultant at NIIT Technologies Ltd (2008-07 – 2013-01)
Fourteen years of foundational technical tenure across vast enterprise Oracle environments delivering database administration, performance engineering, high availability clustering solutions, active legacy migrations, and dedicated global production support engagements servicing enterprise clients across Asia, Europe, and North America.
Systems Executive at NIIT Technologies Pte Ltd (2006-02 – 2008-07)
Technical Consultant / Analyst / Programmer at BI-Tech / Globe Soft / NovacityNets / SSIL (1997-02 – 2006-02)