Sameer Javeed
Snowflake Administrator
Pune
Summary
Experienced in Snowflake administration with a strong focus on user and role management, data loading, and security enforcement. Skilled at maintaining a secure, efficient, and well‑organized data environment by mastering core administrative tasks. Adept at optimizing performance, ensuring compliance, and enhancing the overall effectiveness of enterprise data management within the Snowflake ecosystem.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Snowflake Administrator
Williams Sanoma
02.2023 - Current
- User Management
Create, manage, and de‑provision Snowflake users with secure authentication (SSO, key‑pair).
Enforce password policies and multi‑factor authentication for enhanced account security. - Role Management
Define and administer RBAC (roles, grants, ownership) to ensure least‑privilege access.
Implement masking and row access policies to protect sensitive data. - Managing Warehouses
Configure and optimize warehouses for performance and cost efficiency.
Apply resource monitors to control usage and prevent cost overruns. - Using Multi‑Cluster Warehouses
Enable and manage multi‑cluster warehouses to support high concurrency workloads securely.
Scale compute resources dynamically while maintaining governance. - Databases and Schemas Administration
Create, organize, and manage databases and schemas with controlled access mechanisms.
Apply schema‑level permissions to enforce data segregation and compliance. - Managing Tables
Design, create, and alter tables with secure structures and auditing enabled.
Implement retention policies and secure lifecycle management for critical datasets. - Data Loading and Unloading with Security
Securely load/unload data using external stages with storage integrations.
Apply encryption, access control, and auditing during data movement. - Monitoring and Optimization
Monitor query performance and warehouse load using ACCOUNT_USAGE views.
Troubleshoot incidents and optimize queries for secure, efficient execution. - Security, Storage Integration, and Access Control
Manage storage integrations with OPERATE and USAGE privileges.
Enforce network security, secure external connections, and audit access logs. - Backup and Restore
Perform secure backups using database cloning.
Restore data with controlled access and compliance safeguards. - Account Management
Configure account parameters for security and performance.
Audit account activity and enforce governance policies. - Storage Management
Manage external stages securely with PAT tokens and key‑pair authentication.
Control data retention policies to comply with enterprise standards. - Authentication & External Applications
Integrate Snowflake with external applications using service users and secure tokens.
Implement SSO, PAT tokens, and key‑pair authentication for secure connectivity. - Account Replication
Configure account replication for disaster recovery and high availability.
Ensure secure replication of metadata and data across regions.
Hadoop Administrator
Nisum Consulting
01.2021 - 01.2023
- Architecture & Ecosystem Management: Extensive experience with both Enterprise and Apache Hadoop, including architecture design, ecosystem integration, and end‑to‑end administration.
- Cluster Implementation & Support: Skilled in design, capacity planning, cluster setup, troubleshooting, performance tuning, monitoring, and infrastructure planning for production environments.
- Production Deployments: Successfully deployed production‑grade clusters incorporating HDFS, MapReduce, YARN, Hive, Zookeeper, Oozie, Spark, Impala, Kafka, Hue, and other ecosystem components.
- Security & Compliance: Implemented enterprise‑grade security controls including Kerberos authentication, Sentry authorization, and ACLs to safeguard production clusters.
- High Availability (HA): Configured HA for master daemons (NameNode and Resource Manager) to eliminate single points of failure (SPOF).
- Backup & Disaster Recovery (BDR): Managed BDR strategies for production environments, ensuring business continuity and data resilience.
- Cross‑Functional Collaboration: Partnered with engineering, data science, and customer teams to scope, size, install, and configure Hadoop clusters tailored to business needs.
- Testing & Benchmarking: Worked with architecture and development teams to test, benchmark, and validate new versions, patches, and software components for functionality and reliability.
- Storage & Maintenance: Monitored and managed Hadoop storage systems, performed routine cluster maintenance, provisioned new nodes, and executed HDFS backups/restores.
- Cloud Deployments: Deployed production‑grade Hadoop clusters in cloud environments, ensuring scalability and secure integration.
- Monitoring & Incident Response: Implemented cluster monitoring, responded to internal tickets and alerts, and managed file system operations to maintain system health and performance.
JR. Hadoop Admin
InnData Analytics
07.2019 - 12.2019
- Routine Administration: Executed day‑to‑day cluster administration tasks including monitoring, maintenance, and system health checks.
- Role Management: Managed user roles and permissions across running nodes to enforce secure access control.
- Ecosystem Integration: Added and configured diverse Hadoop ecosystem components (HDFS, YARN, Hive, Spark, Kafka, Oozie, Impala, Hue, Zookeeper) within live clusters.
- Node Commissioning & Decommissioning: Performed secure commissioning and decommissioning of nodes based on operational requirements.
- Performance Tuning: Optimized cluster performance through resource management, query tuning, and workload balancing.
Education
Master of Science - Computer Science
Yeshwant Mahavidyalaya
Nanded, India 04.2001 -
Skills
Snowflake Administration
Hadoop Administration
Kafka Administration
Microsoft Azure
Release Management
Certification
Snowflake Administrator
Timeline
Snowflake Administrator
07-2025
Snowflake Administrator
Williams Sanoma
02.2023 - Current
Hadoop Administrator
Nisum Consulting
01.2021 - 01.2023
JR. Hadoop Admin
InnData Analytics
07.2019 - 12.2019
Master of Science - Computer Science
Yeshwant Mahavidyalaya
04.2001 -