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Salary
$179k – $318k per year
Location
In office (Chantilly)
Seniority
Senior · 10+ years exp

Confirmed on the employer's own hiring board on Oct 23, 2026. First seen by Alion on Sep 6, 2026. ManTech scores A on the Alion truth index.

Overview
Company
Impact
Profile match
ManTech is a Virginia company founded in 1968 that provides technology services to United States defence and intelligence agencies. Its work covers cybersecurity, data analytics, cloud and mission systems engineering. The company employs thousands of cleared technologists.

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 [email protected] and provide your name and contact information.

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