Data Engineer - Senior

Data Engineer – SeniorCGI Federal is seeking a Senior Data Engineer to support large scale data engineering and migration activities for a major federal modernization program. This role is responsible for designing, developing, optimizing, and operating data pipelines supporting petabyte scale migration, transformation, and storage of structured and unstructured datasets. The Senior Data Engineer ensures data flows are reliable, repeatable, secure, and aligned to architectural standards required for transferring legacy datasets into modern cloud environments.Your Future Duties and Responsibilities:Data Pipeline Development & Engineering• Design, build, and optimize scalable data pipelines enabling ingestion, transformation, and loading of large datasets.• Implement ETL/ELT processes supporting multi source, multi format data migration.• Develop data models, schemas, mapping artifacts, and integration structures for legacy to cloud migration.• Enhance automation, performance tuning, throughput, and fault tolerance within cloud based pipelines.Data Quality, Transformation & Validation• Lead data cleansing, normalization, enrichment, and validation efforts across legacy sources.• Perform root cause analysis on data anomalies and guide corrective actions.• Coordinate with QA/Test Engineers to embed data validation and automated testing into pipeline workflows.Cloud Integration & System Support• Support data engineering activities within AWS cloud environments (preferred).• Collaborate with Cloud Engineers, DevSecOps teams, Migration Engineers, and system developers to integrate data flows with program architecture.• Ensure compliance with security, logging, auditing, and handling requirements across environments.Technical Leadership & Collaboration• Mentor Data Migration Engineers and Mid Level Data Engineers on pipeline operations and data best practices.• Participate in technical reviews, sprint activities, and architecture discussions.• Support migration readiness assessments, backlog refinement, and multi team planning.Documentation, Reporting & Risk Management• Produce detailed documentation including pipeline diagrams, mapping specs, data dictionaries, and process guides.• Track migration progress, pipeline performance, data quality status, and operational risks.• Identify blockers affecting migration throughput and support timely mitigation.Required Qualifications to Be Successful in This Role:• Must have Active Top Secret Security Clearance.• U.S. Citizenship.• Bachelor's degree and 8+ years of experience in data engineering, ETL development, or large scale data operations.• Hands on experience building pipelines for structured/unstructured data across enterprise environments.• Strong proficiency in data modeling, transformation logic, and automation.• Familiarity with cloud environments (AWS preferred), DevSecOps tooling, and scripting languages.• Excellent analytical, documentation, and problem solving skills.What You Can Expect from Us:Together, as owners, let's turn meaningful insights into action. Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because… You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction.Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons. Come join our team—one of the largest IT and business consulting services firms in the world.