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Sushma Rijal

@sushmarijal

Senior Data Engineer at Mayo Clinic, modernizing healthcare data platforms and supporting 25+ pipelines processing 200 GB daily.

United States

Message

At Mayo Clinic, I modernize healthcare workloads and support 25+ batch and near real-time pipelines processing approximately 200 GB of data daily. I build governed healthcare datasets with Python, PySpark, Databricks, BigQuery, Snowflake, and Delta Lake, and support analytics and AI/ML use cases.

Previously, I developed insurance data pipelines at Liberty Mutual and assisted with retail pipelines at Walmart. At Bechtel Corporation, I analyzed construction and equipment data, including telemetry, and prepared datasets and dashboards for operational reporting.

Experience

Work history, roles, and key accomplishments

Current

Senior Data Engineer

Current

Mayo Clinic

Sep 2025 - Present (1 year 1 month)

Modernized legacy SSIS and SQL Server ETL by migrating healthcare workloads to Dataflow, BigQuery, Snowflake, and Databricks. Engineered and supported 25+ batch and near real time pipelines processing approximately 200 GB of healthcare data daily.

Data Engineer

Liberty Mutual

Jun 2023 - Aug 2025 (2 years 2 months)

Developed and supported 20+ production ETL/ELT pipelines for policy, claims, premium, customer, billing, underwriting, and risk data using Python, SQL, AWS Glue, PySpark, and Snowflake. Processed approximately 150–250 GB of insurance data daily.

Python SQL AWS Glue PySpark Snowflake S3 AWS Lambda Amazon Kinesis Kafka Spark Structured Streaming Airflow DBT AWS SQS AWS SNS AWS EventBridge Terraform Git Jenkins GitHub Actions Power BI Tableau Cloudwatch CI CD

Junior Data Engineer

Walmart

Nov 2021 - May 2023 (1 year 6 months)

Assisted in developing and maintaining 10+ ETL pipelines supporting retail data for sales, inventory, pricing, products, suppliers, and store operations using Python, SQL, Azure Data Factory, and Databricks. Supported ingestion of approximately 50+ GB of retail data daily.

Python SQL Azure Data Factory Databricks PySpark Spark SQL ADLS Gen2 Delta Lake Azure Synapse Snowflake Azure Event Hubs Spark Structured Streaming Git Azure DevOps Power BI Tableau

Data Analyst

Bechtel Corporation

Jul 2019 - Oct 2021 (2 years 3 months)

Analyzed construction, equipment, project, and operational data from IoT sensors, databases, APIs, and file based sources to support project reporting and operational decision making. Used SQL and Python to extract, clean, transform, and validate large datasets.