Data Engineer

Delta Defense, LLC; West Bend (WI); On-site; USD 95,000 - 125,000; Full time

Job summary

Delta Defense, LLC is seeking a Data Engineer to turn complex data into actionable insights that support smarter business decisions. You will build reliable data solutions, support the Enterprise Data Warehouse, and make KPIs and reporting more accessible across the business.

The role requires 2–5 years in data engineering or BI, strong SQL skills, and experience with AWS services (S3/EMR) and dbt. Onsite at our West Bend, WI HQ with limited hybrid flexibility and no visa sponsorship.

Qualifications

• 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

Responsibilities

• Work within systems and infrastructures that collect and process data to create clean datasets ready for analysis.
• Contribute to standards for data transformations and data formats.
• Support data quality through profiling methodologies.
• Maintain CI/CD, unit testing, and performance optimization practices.
• Collaborate with Data Architecture to ensure data model quality and consistency.
• Leverage data infrastructure to fulfill data-related requests and perform data housekeeping.
• Analyze data to spot anomalies and trends across datasets.
• Troubleshoot problems and identify solutions.
• Follow best practices related to PII and risk policies.
• Perform all other duties as assigned

Skills

SQL

Python

AWS

ETL/ELT

dbt

Data Modeling

Education

Associate or bachelor’s degree in Computer Science, Information Management, Data Science/Analytics, statistics, or equivalent relevant experience

Tools

dbt

Amazon EMR

Amazon S3

Job description

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.

Do work that matters. Grow with a company that keeps moving forward.

At Delta Defense, we’re united by a mission bigger than any one role: helping responsible Americans protect the people they love. That mission shows up in everything we do and in everyone we hire.

Growth here isn’t just about getting bigger. It’s about getting better.

• 15 consecutive years on the Inc. 5000 list of America’s fastest-growing private companies. This distinction is shared by just eight companies on the 2026 list.
• More than 860,000 USCCA Members served nationwide. Serving them well is why we’re here and why the work matters. We are obsessed with the people we serve.
• A culture committed to growth. We invest in our people, sharpen how we work, and never settle.
• Meaningful work with real impact. Every role contributes to moving our mission forward.

We’re built different. If that sounds like you, discover what’s possible at Delta Defense.

Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws.For further information, please review the Know Your Rights notice from the Department of Labor.