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Closure Technologies

Data Engineer

Chantilly, Virginia
Level
Mid

Not stated in the posting: salary, work type, visa.

Open. First seen 3 October 2026.

About the role

Closure Technologies is seeking a Data Engineer that will leverage their development skills and experience, to support the successful designing, ingesting, cleansing, transformation, loading, and display of significant amounts of data.

Clearance Requirement: TS/SCI with Polygraph

Key Responsibilities:

  • Designing, implementing, and optimizing data extraction, cleansing, transformation, loading, replication/distribution, and large-scale ingest systems in a Big Data environment
  • Optimizing all stages of the data lifecycle, from initial planning, to ingest, through final display and beyond
  • Developing custom solutions/code to ingest and exploit new and existing data sources
  • Developing data profiling, deduping logic, and matching logic for analysis
  • Organizing and maintaining Data Layer documentation, so others are able to understand and use it. Also, work closely with data scientists to craft data pipelines which serve the development of modern AI/ML workflows
  • Collaborating with teammates, other service providers, vendors, and users to develop new and more efficient methods
  • Effectively articulating the risks and constraints associated with software solutions, based on environment

Required Qualifications:

  • 2+ years of relevant software development/programming experience.
  • Demonstrated data analysis, parsing, and programming language experience (e.g. Python, Java) coupled with significant SQL/database experience.
  • Experience with the full data lifecycle, from ingest through display, in a Big Data environment.
  • Hands-on experience with Java-related technologies, such as JDK, J2EE, EJB, JDBC, and/or Spring, and experience with RESTful APIs.
  • Experience with data pipelining systems (e.g. Apache Airflow) and developing/performing ETL tasks in a Linux environment.

Preferred Qualifications:

  • Experience deploying systems that leverage AI/ML technology
  • Experience publishing results in BI dashboards.

The team: Closure Technologies HIRES STEADILY

This role is one of 6 open in Closure Technologies. 1 was posted in the last 30 days and the oldest in March: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Python (5 of 6), SQL (5 of 6), Cybersecurity (3 of 6), Machine Learning (3 of 6), AWS (2 of 6), LLM (2 of 6), NLP (2 of 6)

OTHER ROLES ON THIS TEAM

From the team and dates on Closure Technologies's own job board.

Salary context

72 other open postings titled Data Engineer state a salary: median USD 130,000 to USD 180,000 a year.

See Data Engineer salaries in the United States →

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