Position Title: Data Engineer (ETL Developer)
Location: Remote (Washington, DC metro area preferred); place of performance is 395 E Street SW, Washington, DC
Client: U.S. Department of Transportation, Surface Transportation Board (STB)
Work Authorization: Must be eligible for a Moderate Risk (MBI level) background investigation prior to accessing STB systems
Application Email: To apply, please submit your resume to careers@wintrio.com or complete the application form below.
Job Summary WINTrio LLC is seeking an experienced Data Engineer (ETL Developer) to design, build, and optimize AWS native data pipelines for a federal data management program. This role will ingest and transform 30+ high priority datasets into an enterprise data platform built around a Medallion (Bronze, Silver, Gold) architecture. The ideal candidate has strong hands on experience with AWS data services and a track record of delivering well documented, production grade pipelines.
Key Responsibilities - Design, build, test, and deploy ETL pipelines for priority datasets using AWS native services or approved third party tools hosted on AWS.
- Develop supporting data models, schemas, validation frameworks, and database structures, and enhance data models to support expanded analytics and reporting.
- Implement scalable data validation and quality checks, including error handling and lineage capture.
- Produce complete technical documentation, including ERDs, data dictionaries, and pipeline specifications.
- Collaborate with agency stakeholders to prioritize datasets, define sequencing, and identify phased deployment options.
- Support thorough testing across development, staging, and production environments.
- Support optional surge development capacity when activated, including accelerating backlog ingestion and parallel development tracks.
- Meet performance standards including a 97%+ monthly pipeline success rate, SLA windows of 15 to 45 minutes (2 to 4 hours for large regulatory datasets), curated layer data freshness within 4 to 24 hours, and a 98%+ data validation pass rate.
Required Qualifications - 3 to 7+ years designing and maintaining AWS based data pipelines, including Glue, Lambda, Step Functions, and S3.
- Experience building serverless, event driven ETL/ELT workflows and Medallion/Lakehouse designs.
- Proficiency in Python, SQL, PySpark, Pandas, or similar data processing frameworks.
- Experience with data validation tools (such as Great Expectations), data catalogs (AWS Glue, Lake Formation), CI/CD, and infrastructure as code (Terraform).
- Experience designing relational schemas, star/snowflake models, indexes, and partition strategies.
- Experience working in a federal or regulated environment with stakeholders, CORs, and structured deliverables.
- Must be eligible for a Moderate Risk (MBI) background investigation.
Technical Skills & Tools - AWS Cloud Services: Glue, Lambda, Step Functions, S3, Lake Formation
- Programming & Data Processing: Python, SQL, PySpark, Pandas
- Data Quality: Great Expectations or similar validation frameworks
- DevOps & Infrastructure as Code: CI/CD pipelines, Terraform
- Documentation: ERDs, data dictionaries, pipeline specifications, lineage diagrams
- Recommended Certifications (not mandatory): AWS Certified Data Engineer Associate, AWS Certified Developer Associate
Work Environment - Full time position.
- Remote eligible; contractor services may be performed remotely per the contract's terms.
- Standard business hours Monday through Friday.
- No travel required.
WINTrio Benefits - Healthcare (Medical, Dental, and Vision)
- Flexible Spending Account (FSA) and Health Savings Account (HSA)
- 401(k) and Retirement Savings Plan
- Annual Bonus and Profit Sharing Opportunities
- Paid Time Off (PTO) and Vacation
- Employee Assistance Program (EAP)
- Life, Personal, and Voluntary Disability Insurance
Growth Opportunities There is ample opportunity to grow in multiple dimensions, including AWS data architecture, pipeline modernization, and federal program leadership. We are a completely employee driven company, and our continued success is built on the talent, dedication, and innovation of our team members.
