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General information

Requisition #
R66222
Locations
USA-VA-Chantilly
Posting Date
02/20/2026
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time

Description & Requirements

Elevate your career with MANTECH International Corporation! Join a dynamic team dedicated to national security through cutting-edge technology. Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the Department of Defense, and Federal Civilian sectors. Dive into innovation in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Your journey to impactful work and rapid growth starts now—be extraordinary at MANTECH!

MANTECH seeks a motivated, career and customer-oriented Data Engineer to join our team in Chantilly, VA. 
 

The Data Engineer will leverage their development skills and experience, to support the successful designing, ingesting, cleansing, transformation, loading, and display of significant amounts of data.

Responsibilities include but are not limited to:

  • 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
     

Minimum Qualifications:

  • High School Diploma with 4+ years of relevant data engineering, software development, and/or 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.
     

Clearance Requirements:

  • An active TS/SCI with Polygraph
     

Physical Requirements:

  • Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.
  • The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Must be able to remain in a stationary position 50% of the time

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.