
Data Engineer
Chantilly, VAJobSeen 2w agoSeen in employer's feed 3 days ago
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At a glance
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Requirements
Credentials this posting asks for.
Job overview
MANTECH seeks a Data Engineer in Chantilly, Virginia, to design and optimize data systems across the lifecycle, from ingestion through display. The role develops solutions for new and existing data sources, supports data analysis and AI/ML pipelines, and collaborates with data scientists, teammates, vendors, and users. An active TS/SCI with Polygraph is required.
Skills & qualifications
Skills
Qualifications
Full job description
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:
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Designing, implementing, and optimizing data extraction, cleansing, transformation, loading, replication/distribution, and large-scale ingest systems in a Big Data environment.
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Optimizing all stages of the data lifecycle, from initial planning to ingest through final display and beyond.
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Developing custom solutions or code to ingest and exploit new and existing data sources.
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Developing data profiling, deduping logic, and matching logic for analysis.
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Organizing and maintaining Data Layer documentation while working with data scientists to craft pipelines for AI/ML workflows.
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Collaborating with teammates, service providers, vendors, and users to develop more efficient methods.
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Effectively articulating the risks and constraints associated with software solutions based on the environment.
Minimum Qualifications:
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High School Diploma with 4+ years of relevant data engineering, software development, and/or programming experience.
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Demonstrated data analysis, parsing, and programming language experience such as Python or Java.
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Significant experience with SQL and database management.
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Experience with the full data lifecycle, from ingest through display, in a Big Data environment.
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Hands-on experience with Java-related technologies, such as JDK, J2EE, EJB, JDBC, and/or Spring.
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Experience with RESTful APIs, data pipelining systems like Apache Airflow, and performing ETL tasks in a Linux environment.
Preferred Qualifications :
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Experience deploying systems that leverage AI/ML technology.
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Experience publishing results in BI dashboards.
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Self-starter with excellent people skills able to work across teams and drive change.
Clearance Requirements:
- An active TS/SCI with Polygraph is required for this position.
Physical Requirements:
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Must be able to remain in a stationary position 50% of the time.
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Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
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Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
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Must be able to exchange accurate information in these situations.
MANTECH International Corporation 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 [email protected] and provide your name and contact information.
How this job compares
Set against the 6,039 open Data Engineer jobs on Olive Jobs, counted November 4, 2026.
- Pay
- This postingNot listed
- Virginia median$122–195K/yr351 salary ranges
- US median$60–73/hr269 hourly ranges
- Openings
- Olive Jobs lists 433 open Data Engineer jobs in Virginia and 6,039 across the US. 8% of them nationwide are listed as remote or flexible.
- Hiring the most in Virginia
- Deloitte98 open
- Capital One38 open
- Accenture25 open
- Experience
- This posting asks for at least 4 years of experience; Data Engineer postings that state a minimum ask for 5 years at the median (5,296 postings).
- Education
- This posting asks for a high school diploma; 2,515 of the 6,039 open Data Engineer jobs (42%) ask for a high school diploma or higher.
Counted across the open, public US postings on Olive Jobs on November 4, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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