Data Engineer at ManTech in USA-VA-Chantilly
- Company: ManTech
- Location: USA-VA-Chantilly
- Posted: Sep 17, 2026
- Type: Full-time
- Salary: $114,600.00-$190,200.00
- Experience: 4+ years
Overview
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 d…
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
- 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 or 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 while working with data scientists to craft pipelines for AI/ML workflows.
- Collaborating with teammates, service providers, vendors, and users to develop more efficient methods.
- Effectively articulating the risks and constraints associated with software solutions based on the environment.
Requirements
- High School Diploma with 4+ years of relevant data engineering, software development, and/or programming experience.
- Demonstrated data analysis, parsing, and programming language experience such as Python or Java.
- Significant experience with SQL and database management.
- 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.
- Experience with RESTful APIs, data pipelining systems like Apache Airflow, and performing ETL tasks in a Linux environment.
- An active TS/SCI with Polygraph is required for this position.
- Experience deploying systems that leverage AI/ML technology.
- Experience publishing results in BI dashboards.
- Self-starter with excellent people skills able to work across teams and drive change.
Skills
Required
- Data engineering
- Software development
- Programming (Python or Java)
- SQL and database management
- RESTful APIs
- Data pipelining systems (Apache Airflow)
- ETL tasks in Linux environment
- Data analysis and parsing
Preferred
- AI/ML technology deployment
- BI dashboards publishing
Benefits
- The projected compensation range for this position is $114,600.00-$190,200.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
About ManTech
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!