Data Engineer - Expert (TS/SCI with Poly REQUIRED)

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:

Agile Methodology, Building Architecture, Design, Java Enterprise Edition

Certifications:

None

Experience:

15 + years of related experience

US Citizenship Required:

Yes

Job Description:

We are seeking an expert Data Engineer to design, build, and optimize scalable backend systems and data integration solutions. This role requires deep expertise across the full software development lifecycle—from system architecture through deployment—with a focus on data-intensive applications, performance optimization, and cross-platform integration.

The ideal candidate thrives in dynamic environments and delivers high-impact solutions supporting mission-critical operations.

Backend & System Development

• Design, develop, and maintain scalable backend systems using languages such as Java, Python, Go, or JavaScript frameworks (e.g., Angular)

• Architect and implement data integration solutions for both structured and unstructured data

• Develop and maintain RESTful APIs for real-time and batch processing

• Build modular, reusable software libraries with clean, well-defined interfaces

Data Engineering & ETL

• Design, build, and optimize ETL pipelines using tools such as Elasticsearch, Kafka, and Airflow

• Ensure high performance, scalability, and reliability of data workflows

• Integrate externally developed code into core systems and libraries

Cloud & DevOps

• Deploy and maintain applications in cloud environments (AWS, Azure, GCP)

• Implement containerization and orchestration using Docker and Kubernetes

• Develop and maintain CI/CD pipelines to support automated delivery

• Follow configuration management and infrastructure best practices

Software Development Lifecycle

• Translate business requirements into technical solutions across data and application layers

• Maintain high code quality through testing, code reviews, and regression analysis

• Troubleshoot and resolve production issues to improve system stability and data integrity

• Conduct full lifecycle testing in accordance with established quality standards

Application Support

• Provide bug fixes, enhancements, UI improvements, and access control updates

• Install, configure, and monitor applications to meet operational needs

• Deliver user support and ad hoc training as required

Collaboration & Quality Assurance

• Collaborate with configuration managers to integrate internal and external solutions

• Evaluate and recommend third-party tools, vendors, and technologies

• Contribute to development standards, methodologies, and release readiness processes

Education & Experience

• Bachelor’s degree in Computer Science or a related field
  (or equivalent combination of education, certifications, and experience)

• 15+ years of relevant professional experience

Required Qualifications

• Active TS/SCI clearance with Polygraph (required)

• Strong proficiency in one or more: Java, Python, Scala, Go, or JavaScript frameworks

• Hands-on experience with Kubernetes and Airflow

• Experience with relational and NoSQL databases, as well as cloud-native data services

• Familiarity with CI/CD pipelines and Docker

• Demonstrated ability to work across the full software development lifecycle

• Strong analytical, troubleshooting, and communication skills

Preferred Qualifications

• Experience building data products using Apache Avro

• Experience with Apache ActiveMQ

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
● Growth: AI-powered career tool that identifies career steps and learning opportunities
● Support: An internal mobility team focused on helping you achieve your career goals
● Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
● Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY
Explore a career in data science and engineering at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your determination for solving complex data challenges.

The likely salary range for this position is $178,500 - $241,500. 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.

Scheduled Weekly Hours:

40

Travel Required:

None

Telecommuting Options:

Onsite

Work Location:

USA VA Chantilly

Additional Work Locations:

Total Rewards at GDIT:

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.

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

Join our Talent Community to stay up to date on our career opportunities and events at

gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans