Senior ETL Developer

General information

Requisition # R64244 Locations USA-VA-Chantilly Posting Date 11/18/2025 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time

Description & Requirements

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Senior ETL Developer to join our team in Chantilly, VA.

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 10+ 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 pres