Senior Data Engineer

General information

Requisition #

R69889

Locations

USA-VA-Chantilly

Posting Date

08/10/2026

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.

In this role, you will leverage your software development expertise to support the design, ingestion, cleansing, transformation, loading, and visualization of complex, large-scale data sets.

Responsibilities

• Design, implement, and optimize data extraction, cleansing, transformation, loading, and large-scale ingestion systems within a Big Data environment.
• Develop ad-hoc ETL pipelines and build data profiling, deduping, and matching logic to analyze new data sources.
• Leverage Big Data holdings to power prototypical AI/ML-based analytics and build custom solutions to ingest and exploit data.
• Organize and maintain Data Layer documentation while collaborating closely with data scientists to craft data pipelines for AI/ML workflows.
• Perform light administration responsibilities for a small number of Linux servers while articulating software solution risks and constraints.
• Collaborate with teammates, service providers, vendors, and users to develop efficient data processing methods.

Minimum Qualifications

• High School Diploma/GED with 10+ years of relevant software development and programming experience.
• Demonstrated data analysis, parsing, and programming language experience (e.g., Python, Java) coupled with significant SQL and database experience.
• Experience with the full data lifecycle, from ingestion through display, within a Big Data environment.
• Hands-on experience with Python-related technologies (e.g., environment management, async development, FastAPI) and RESTful APIs.
• Experience with data pipelining systems (e.g., Apache Airflow) and developing ETL tasks within a Linux environment.

Preferred Qualifications

• Experience deploying software systems that leverage AI/ML technology.
• Experience publishing data analytics and results into BI dashboards.
• Demonstrated ability to automate routine Linux server management tasks.

Clearance Requirements

• An active TS/SCI with Polygraph is required.

Physical Requirements

• Must be able to remain in a stationary position 50% of the time.
• Needs to occasionally move about inside the office to access file cabinets and office machinery.
• Frequently communicates with co-workers, management, and customers; must be able to exchange accurate information in these situations.

The projected compensation range for this position is $179,300.00-$318,400.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

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.