Data Scientist

Apollo Technology Solutions LLC

Indianapolis, IN
4 days ago

Highlights

Applies data governance and security controls (e.g., Unity Catalog permissions, role-based access, row- and column-level security, data masking) to protect sensitive health data (PHI/PII) in accordance with HIPAA and agency policy. Building star-schema facts, dimensions, stored procedures, and views, including SCD Type 1 and Type 2. Developing with COPY INTO, PolyBase, and CETAS, and building parameterized Synapse/ADF pipelines (copy, data flows, triggers).

Numbers & Facts

Location

Indianapolis, IN

Description

Title: Data Scientist
Location: Indianapolis, IN (Hybrid)
Duration: 12 Months
Interview type: Web Cam

Note:
*Local candidates only will be considered for this position.

Job Description:

This role supports data integration, pipeline development, data modeling, governance, and documentation while collaborating with cross-functional teams to deliver high quality, reliable data products for the agency.
Plays a key role in implementing the agency's data strategy by developing batch and streaming pipelines, optimizing data warehouse workloads, and enforcing data governance standards. The position assists with requirements gathering, solution reviews, and technical support, and works closely with data architects, scientists, analysts, and project managers to translate business needs into technical designs. This role supports operational processes, contributes to policy and procedure improvements, and may provide mentorship or supervision based on agency needs.

Job Duties

Assists with the data technology strategy, including resolvingstrategic data integration issues, such as data quality and stewardship,real-time,
Event-based data integration, and crafting a universal vision for data integration
Provides direction and oversight for the design and implementation of data solutions for integration and synthesis across multiple secure systems
Assists with the definition, implementation, and continued adherence of new data management policies and design standards for data engineering
Provides advice, training, and technical support for various projects
Participates in project activities such as requirements gathering, solution reviews, and explaining technical complexities to non-technical personnel
Work closely with the solution leads, project managers, data architects, data scientists, and data analysts on solution design, architecture, and implementation
Assists with extraction, transformation, and loading of data from a wide variety of data sources using various data engineering tools and methods.
Designs, builds, and maintains batch and streaming data pipelines in Azure Databricks using Py Spark, Spark SQL, and Delta Lake, following a medallion (bronze/silver/gold) lake house architecture
Develops, loads, and tunes dimensional data models and SQL workloads in Azure Synapse Analytics (dedicated and serverless SQL pools) to support reporting and dashboard needs
Orchestrates and monitors data workflows using Databricks Workflows/Jobs and Synapse or Azure Data Factory pipelines, including scheduling, alerting, and failure recovery
Applies data governance and security controls (e.g., Unity Catalog permissions, role-based access, row- and column-level security, data masking) to protect sensitive health data (PHI/PII) in accordance with HIPAA and agency policy
Assists with documenting and demonstrating solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code.
Assists in operations by conducting systems analysis; recommendingchanges in policies and procedures.
The job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Other duties, responsibilities and activities may change or be assigned at any time.

Required/Desired Skills:

Master's degree in data science, analytics, informatics, computer science, mathematics, engineering, or related field; OR....
Bachelor's degree in a related field plus 2+ years of relevant experience; or 4+ years of hands-on experience in a similar data engineering role; OR..
Relevant certifications and coursework may substitute for formal education/experience requirements
Developing with Databricks notebooks in PySpark, Spark SQL, and R, including transformations, joins, aggregations, and window functions
ACID transactions, MERGE upserts, schema enforcement/evolution, time travel, and table maintenance (OPTIMIZE, Z-order, VACUUM)
Working with medallion (bronze/silver/gold) architecture and incremental ingestion via Auto Loader, Structured Streaming, or Lakeflow/DLT
Using Unity Catalog for Workspace Catalogs, schemas, permissions, lineage, external locations, and storage credentials
Right-sizing clusters and SQL warehouses and diagnose partitioning, shuffle, skew, and caching issues via Spark UI
Scheduling and managing dependencies with ADF Pipelines, Databricks Workflows (Jobs), and using Git folders (Repos) for source control
Designing MPP warehouse tables, including distribution (hash, round-robin, replicated), columnstore indexes, and partitioning
Querying Parquet, Delta, and CSV files in ADLS Gen2 using OPENROWSET, external tables, and views
Building star-schema facts, dimensions, stored procedures, and views, including SCD Type 1 and Type 2
Developing with COPY INTO, PolyBase, and CETAS, and building parameterized Synapse/ADF pipelines (copy, data flows, triggers)
Workload management, resource classes, statistics, materialized views, result-set caching, and pool scaling/pausing
ADLS Gen2 folder/file-format design (Parquet/Delta), Entra ID access control, managed identities, and Key Vault
Git and CI/CD in Azure DevOps or GitHub, including branching, PRs, and deploying Synapse artifacts and Databricks Asset Bundles
Monitoring pipelines and workloads with Azure Monitor/Log Analytics and alerting, and troubleshooting failed jobs
Strong written and verbal communication skills
Using Microsoft lakehouse patterns, including interoperability and migration paths between Synapse and Databricks
Databricks Certified Data Engineer Associate (Databricks Certified Data Engineer Professional a plus)
Microsoft Certified: Azure Data Engineer Associate (DP-203) if already held
Power BI connectivity to Synapse (Import vs. DirectQuery) and how model design affects dashboard performance

Data Scientist

Apollo Technology Solutions LLC

Highlights

Numbers & Facts

Description

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