Senior ETL Developer

Company : ManTech International

Location : Chantilly, VA, 20151

Posted Date : 15 September 2025

Job Type : Full Time

Category : Software Development

Occupation : Developer

Job Details

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/GED with 10+ years of experience in the Information Technology field
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 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

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