ETL Developer

Company: MANTECH
Location: Chantilly
Posted on: March 22, 2026

Job Description:

MANTECH seeks a motivated, career and customer-oriented ETL Developer to join our team in Chantilly, VA. The ETL Developer will support mission-critical data operations by designing, building, and optimizing large-scale data ingest and processing solutions in a Big Data environment. This role focuses on enabling reliable, performant data pipelines that support analytic and operational needs across the full data lifecycle. Responsibilities include but are not limited to: Designing and implementing 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 Designing and implementing data extraction, cleansing, transformation, loading, and replication/distribution Developing custom solutions/code to ingest and exploit new and existing data sources Working with Sponsor development teams to improve application performance Organizing and maintaining documentation so others are able to understand and use it Collaborating with teammates, other service providers, vendors, and users to develop new and more efficient methods Minimum Qualifications: High School Diploma with 2 years of relevant experience in Information Technology Software development experience, to include significant Java development, data analysis/parsing, and SQL/database experience Experience with the full data lifecycle, from ingest through display, in a Big Data environment Experience with Java-related technologies, such as JDK, J2EE, EJB, JDBC, and/or Spring, and experience with RESTful APIs Experience developing and performing ETL tasks in a Linux environment Preferred Qualifications : Experience with Hadoop, Hbase, MapReduce Experience with Elasticsearch Experience with NiFi, Kafka, and Zookeeper Clearance Requirements: An active/current 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 The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

Keywords: MANTECH, Leesburg , ETL Developer, IT / Software / Systems , Chantilly, Virginia