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Data Engineer

Company:
MANTECH
Location:
Herndon, VA
Posted:
June 18, 2026
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Description:

MANTECH seeks a motivated, career and customer-oriented Data Engineer to join our team in Herndon VA. The Data Engineer will leverage their expertise with Python to support the customer's data pipelines and related applications, from collection to ingestion, and ensure the integrity and security of data systems. You will play a critical role in delivering relevant and actionable cyber data to the right customers in a format that is normalized and actionable by cyber analysts and data scientists.

Responsibilities include but are not limited to:

Design, build, optimize, and maintain resilient data pipelines using Python, with a focus on data collection, ingestion, ETL, and analytics

Develop and support complex data solutions, including data transformation, validation, and quality controls

Integrate data from a variety of internal and external sources, including REST APIs, flat files, and structured/semi-structured formats

Ensure data is available, accessible, reliable, and securely handled to meet stakeholder and operational needs

Test, troubleshoot, and validate data movement, parsing, and transformation code across development and production environments

Provide platform and production support, including debugging, root cause analysis, issue resolution, and ongoing maintenance

Collaborate with cross-functional teams to deliver data products and help end users understand and effectively use analytics environments

Minimum Qualifications:

High School Diploma and 5+ years' experience with software development in Python

Experience with data engineering

Experience building and maintaining data pipelines, ETL processes, and ingestion workflows

Experience with Git/GitHub or similar version control systems

Experience with common data formats such as JSON, XML, CSV, and other structured or semi-structured data

Experience working with Bash, Linux, and command-line tools in a development or production environment

Preferred Qualifications:

Bachelor's degree in computer science or similar technical field

Experience with Elasticsearch and Kibana

Experience with AWS services such as Lambda, EC2, and S3

Experience with data analytics and visualization tools

Knowledge of cyber operations

Certified Information Systems Security Professional (CISSP certification)

Clearance Requirements: An active/current TS/SCI with Polygraph is required

Physical Requirements: Must be able to remain in a stationary position 50% of the time

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