Senior Data Engineer

General information

Requisition # R67213 Locations USA-VA-Chantilly Posting Date 04/17/2026 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 Data Engineer to join our team in Chantilly, VA.
 

The Senior Data Engineer will leverage their strong technical background and knowledge to support the Sponsor’s data initiatives, to include designing large-scale ingest systems, optimizing data lifecycles, and developing custom solutions to exploit new and existing data sources.
 

Responsibilities include but are not limited to:

• Designing and implementing large-scale ingest systems within complex Big Data environments.

• Optimizing all stages of the data lifecycle, from initial planning and ingest through final display.

• Designing and implementing comprehensive data extraction, cleansing, transformation, and replication processes.

• Developing custom solutions and code to successfully ingest and exploit diverse data sources.

• Working with Sponsor development teams and stakeholders to improve overall application performance.

• Organizing and maintaining robust documentation to ensure systems are understandable and usable.

• Collaborating with teammates, vendors, and users to develop new and more efficient data methods.
   

Minimum Qualifications:

• High School Diploma/GED with 10+ years of progressively responsible experience data engineering, software development, and/or programming

• Significant software development experience, including Java development, data analysis, and SQL experience.

• Extensive experience managing the full data lifecycle from ingest through display in Big Data environments.

• Experience with Java-related technologies such as JDK, J2EE, JDBC, and experience with RESTful APIs.

• Proven experience developing and performing complex ETL tasks within a Linux environment.
   

Preferred Qualifications:

• Experience with Hadoop, Hbase, MapReduce, and the Sponsor's compliance automation tools.

• Experience with Elasticsearch, NiFi, Kafka,