Data Engineer

General information

Requisition #

R68771

Locations

USA-VA-Herndon

Posting Date

06/17/2026

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 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

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.