Data Engineer

Data EngineerOur Data Engineers help Delta Defense turn complex data into clear, actionable insights that support smarter business decisions. This hands-on role builds reliable data solutions, supports our Enterprise Data Warehouse, and helps make KPIs, metrics, and reporting more accessible across the business.Essential duties and responsibilities include:Working within systems and infrastructures that collect and process data in order to create clean, tested, and reusable datasets ready for analysis.Contributing to established standards for performing data transformations and ensuring adherence of the rules and requirements for the formats and attributes of data.Supporting standards around data quality by maintaining and enhancing data profiling methodologies.Maintaining engineering best practices around CI/CD, unit testing, performance testing, and optimization.Partnering directly with the Data Architecture team to ensure the quality and consistency of the data model.Leveraging existing data infrastructure to fulfill all data-related requests, perform necessary data housekeeping, data cleansing, normalization, hashing, and implementation of required data model changes.Analyzing data to spot anomalies, trends, and correlate similar data sets.Troubleshooting problems, identifying possible solutions, and resolving accordingly.Developing a strong understanding and awareness of best practices related to PII, adherence to Risk policies and standards as set forth by the organization.All other duties as assigned.Required experience and education:High school diploma or equivalent.Associate or bachelor's degree preferred in Computer Science, Information Management, Data Science/Analytics, statistics, or equivalent relevant experience.2-5 years of experience in data engineering or business intelligence roles.3-5 years of SQL experience.Ability to work efficiently within AWS cloud technologies such as S3, EMR preferred.1+ years experience in Agile SDLC.1+ years dbt experience preferred.Solid understanding of ETL/ELT methodologies.Proficiency with Python and scripting languages preferred.Solid understanding of industry standard analytical modeling techniques.Demonstrates the Core Values of Delta Defense, LLC.Working conditions: This position is located at our HQ in West Bend, WI. While we do have some hybrid flexibility, the goal is to have this person onsite. We do not currently or in the future provide sponsorship for this role.Why work at Delta Defense? Because culture matters—and ours is legit. Fast-paced, mission-driven, and genuinely fun. #25 on The Wall Street Journal's 2025 Top 100 America's Most Loved Workplaces. Newsweek Top 100 America's Most Loved Workplaces (2023 & 2024). Inc. 5000 "Fastest Growing Private Companies" – 14 years in a row. Most importantly, your work here actually matters. You'll help Americans protect themselves, their families, and their freedoms—every single day.