Data Engineer

Our 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.
Essentials Duties & Responsibilities:

• Work within systems and infrastructures that collect and process data in order to create clean, tested, and reusable datasets ready for analysis.
• Contribute to established standards for performing data transformations and ensure adherence of the rules and requirements for the formats and attributes of data.
• Support standards around data quality by maintaining and enhancing data profiling methodologies.
• Maintain engineering best practices around CI/CD, unit testing, performance testing and optimization.
• Partner directly with the Data Architecture team to ensure the quality and consistency of the data model.
• Leverage existing data infrastructure to fulfill all data-related requests, perform necessary data housekeeping, data cleansing, normalization, hashing, and implementation of required data model changes.
• Analyze data to spot anomalies, trends and correlate similar data sets.
• Troubleshoots problems, identifies possible solutions, and resolves accordingly.
• Develop 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 & 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.

• 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