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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Secret Data Warehouse Modernization Developer - **Company:** Insight Global - **Location:** Fairfax, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Amazon Web Services, Business Logic, Unit Testing, Microsoft Azure, Cloud Computing, Data Infrastructure, Extract Transform Load (ETL), Data Transformation, Data Warehousing, Dimensional Modeling, Apache Hadoop, Python (Programming Language), Microsoft SQL Server, Cloud Services, Reverse Engineering, SQL Databases, SQL Server Integration Services, SQLAlchemy, Web Application Frameworks, Data Ingestion, Snowflake, Apache Spark, Technical Debt, Git, SC Clearance, Pandas, Pyspark, Azure Synapse Analytics, Databricks - **Published:** June 27, 2026 - **Apply:** https://www.juju.com/job/00000000gbd0o1 ## About the Role Active Secret clearance - Solid SQL and understanding of Kimball dimensional modeling. - Strong Python: Pandas, SQLAlchemy, packaging, module structure, unit testing. - Experience with PySpark or Spark (or willingness to ramp quickly). - Familiarity with cloud data platforms (Azure, AWS, etc.). - Experience modernizing legacy ETL systems is a major plus. - Ability to read, interpret, and redesign SSIS/SQL-based ETL logic. - Understanding of data ingestion, transformation, and structured warehouse design. - Experience with Git, CI/CD pipelines, and modern development practices. - Exposure to Databricks, Snowflake, or Hadoop ecosystems - Cloud experience (Azure or AWS) - Experience working in federal environments (DOJ, DEA, FBI, DHS, etc.) - Experience supporting both classified and unclassified systems - Experience with large scale or high volume data environments - Exposure to AI / data experimentation initiatives ## Description Insight Global is seeking a Senior Data Warehouse Modernization Developer to support a long term federal data modernization initiative. These engineers focus on modernizing data warehouse pipeline architecture by gradually reducing reliance on SSIS and SQL-only patterns, introducing Python based ETL, improving modularity, and setting the groundwork for a future move into PySpark, distributed compute, and eventually Databricks or similar cloud platforms. They should have an in depth understanding of the Kimball model in place, and experience incrementally replacing or re platforming components. Responsibilities include: - Learn and understand the existing Kimball-modeled SQL Server structure over time. - Reverse-engineer SSIS packages and convert them into Python-based modular ETL pipelines. - Build reusable Python frameworks for extraction, transformation, and loading. - Begin introducing PySpark for scalable transformation patterns. - Contribute to planning a future transition path (Databricks, Azure Synapse, Snowflake, etc.). - Improve orchestration, dependency management, and data quality practices. - Identify technical debt and modernize aging ETL components. - Collaborate with EDW SMEs to understand business logic and lineage. - Build documentation and repeatable processes for modernization. ## Related Videos - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [Modern Data Architectures need Software Engineering](https://www.wearedevelopers.com/videos/1030-modern-data-architectures-need-software-engineering) - [Advanced Typing in TypeScript](https://www.wearedevelopers.com/videos/496-advanced-typing-in-typescript) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Getting to Know Your Legacy (System) with AI-Driven Software Archeology](https://www.wearedevelopers.com/videos/1437-getting-to-know-your-legacy-system-with-ai-driven-software-archeology) - [Data Science on Software Data](https://www.wearedevelopers.com/videos/162-data-science-on-software-data) ## Related Articles - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in production](https://www.wearedevelopers.com/magazine/475-coffee-with-developers-maria-apazoglou-making-ai-understandable-for-all-in-production) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)