Data Engineer - TS​/SCI Polygraph

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.

• 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.

• Build and optimize ETL pipelines using frameworks such as Elastic Search, Kafka, and Airflow.
• Experience with relational and No
  
  SQL databases, plus cloud-native data services.
• Ensure high performance, scalability, and reliability in data workflows.
• Integrate externally developed code into core software libraries.

• 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.

• 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.

• 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.

• 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.

• Education: BS in Computer Science or related field, or the equivalent combination of education, technical certifications or training, or work experience
• Experience: 10+ years
• Security Clearance level: Active TS/SCI with Polygraph REQUIRED
• Location: Chantilly, VA - On Customer Site

The likely salary range for this position is $221,000 - $299,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.

To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans