Data Engineer – TS/SCI with Polygraph Job Description

May 20, 2026

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Job Description

We are seeking a Data Engineer to design, build, and optimize scalable backend and data integration systems. This role requires deep expertise across the full software development lifecycle, from system architecture to deployment, with a focus on data-intensive applications, performance optimization, and cross-platform integration. The ideal candidate thrives in dynamic environments and can deliver high-impact solutions that support mission-critical operations.

Key Responsibilities

  • Backend & System Development
  • Design, develop, and maintain scalable backend systems in Java, Python, Angular, Java Script, Go, or equivalent.
  • Architect and implement data integration solutions for structured and unstructured data.
  • Develop REST APIs and services for real-time and batch processing.
  • Maintain modular software libraries with clean interfaces and reusable code.

Data Engineering & ETL

  • Build and optimize ETL pipelines using frameworks such as Elastic Search, Kafka, and Airflow.
  • Ensure high performance, scalability, and reliability in data workflows.
  • Integrate externally developed code into core software libraries.

Cloud & DevOps

  • Deploy and maintain solutions across cloud environments (AWS, Azure, GCP).
  • Apply containerization (Docker, Kubernetes) and CI/CD pipelines for automation.
  • Adhere to configuration management and infrastructure standards.

Software Development Lifecycle

  • Translate business requirements into technical specifications across data and application layers.
  • Maintain code quality through testing, regression analysis, and reviews.
  • Investigate and resolve production issues to improve stability and data integrity.
  • Conduct full lifecycle testing following strict quality procedures.

Application & User Support

  • Provide bug fixes, enhancements, GUI improvements, and access control updates.
  • Install, configure, and monitor applications to meet operational requirements.
  • Deliver ad-hoc training and support to users.

Collaboration & Quality Assurance

  • Partner with configuration managers to integrate internal and external software solutions.
  • Evaluate and recommend third-party vendors and partners.
  • Support development of standards, methods, and procedures for product release readiness.

Qualifications

  • Proficiency in Java, Python, Angular, Scala, or Go.
  • Strong expertise Kubernetes, and Airflow.
  • Experience with relational and NoSQL databases, plus cloud-native data services.
  • Proven ability to work across the full software development lifecycle.
  • Familiarity with CI/CD, Docker.
  • Strong analytical, troubleshooting, and communication skills.

WHAT YOU’LL NEED TO SUCCEED:

  • Education: BS in Computer Science or related field, or the equivalent combination of education, technical certifications or training, or work experience
  • Experience: 8+ years
  • Security Clearance level: TS/SCI with Polygraph
  • Location: Chantilly, VA – On Customer Site
  • US Citizenship Required