Data Engineer - Senior

Data Engineer – Senior

Position Description
CGI 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.
This position is located in Huntsville, AL.

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.
Desired qualifications/non essential skills required:
. Experience with petabyte scale or multi system migration programs.
. Background supporting DOJ, FBI, Intelligence Community, or national security customers.
. Experience with CI/CD integration, automated testing pipelines, or micro service architectures.
. Advanced knowledge of ETL frameworks, distributed compute tools, or cloud native data services.
CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $89,600.00 $198,400.00.
CGI Federal's benefits are offered to eligible professionals on their first day of employment to include:
. Competitive compensation
. Comprehensive insurance options
. Matching contributions through the 401(k) plan and the share purchase plan
. Paid time off for vacation, holidays, and sick time
. Paid parental leave
. Learning opportunities and tuition assistance
. Wellness and Well being programs
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