Data Engineer Expert - TS/SCI with Polygraph

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

Data Science and Data Engineering

Job Qualifications:

Skills:

Complex Systems Modeling, Linux, System Designs, Systems Architecture, Systems Development

Certifications:

None

Experience:

15 + years of related experience

US Citizenship Required:

Yes

Job Description:

We are seeking a Data Engineer Expert 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: 10+ years
• Security Clearance level: TS/SCI with Polygraph
• Location: Chantilly, VA - On Customer Site
• US Citizenship Required

GDIT IS YOUR PLACE:
● 401K with company match
● Comprehensive health and wellness packages
● Internal mobility team dedicated to helping you own your career
● Professional growth opportunities including paid education and certifications
● Cutting-edge technology you can learn from
● Rest and recharge with paid vacation and holidays

#OpportunityOwned 
#GDITCareers 
#WeAreGDIT  
#JET
#EnhancedTechPoly2025 

#ISPImpact

The likely salary range for this position is $187,145 - $253,194. 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