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Salary
$142k – $236k per year
Location
In office (Herndon)
Seniority
Senior · 5+ years exp

Confirmed on the employer's own hiring board on Oct 25, 2026. First seen by Alion on Sep 9, 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 Security Data Engineer to join our team inHerndon, VA. in this role you are responsible for building and maintaining enterprise data feeds that power network and security intelligence platforms. In this role, you will integrate data from multiple vendor APIs, create robust ETL pipelines, and leverage AI to handle complex data extraction and normalization challenges.

Responsibilities include, but are not limited to:

  • Design and maintain enterprise data feeds from 10+ network and security vendor APIs.
  • Build intelligent parsers that handle diverse data formats.
  • Orchestrate automated pipelines for regular data download, transformation, and loading.
  • Ensure reliability and performance through continuous monitoring, error handling, and optimization.
  • Adapt to system changes by quickly resolving API updates, data format changes, and vendor issues.
  • Integrate AI capabilities for data extraction, classification, anomaly detection, and auto-healing.
  • Perform technical evaluations of new tools for potential use and positive impact on project processes.

Minimum Qualifications:

  • High School Diploma and 10+ years’ experience with Systems Engineering, Data Engineering or similar technical role
  • 5+ years’ experience building production data pipelines with Python
  • Experience consuming REST or similar APIs at scale
  • Experience with network and security tools such as Nmap, Rapid7, or similar tools
  • Experience integrating AI capabilities with applications for efficient code responses

Preferred Qualifications:

  • Bachelor of Science degree in Computer Science or a related technical field
  • Experience across the full Software Development Life Cycle (SDLC)
  • Strong software testing practices and quality standards

Clearance Requirements: Active/current TS/SCI with polygraph is required

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

The projected compensation range for this position is $141,500.00-$236,000.00. 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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