Senior AWS Data Engineer

Elios is hiring a Senior AWS Data Engineer to lead the evolution of their data platform for a federal healthcare modernization program. The role involves designing a scalable AWS data architecture and optimizing data storage and query performance for healthcare data reporting.

Responsibilities:

• Evaluate AWS-native data storage and query architectures against query patterns, reporting needs, cost, and scalability
• Architect the migration path from an MSSQL XML object store into the target AWS platform, including storage formats, partitioning, and data organization
• Design and build the reporting and query layer that lets stakeholders run relational SQL queries against healthcare data
• Build and maintain AWS data catalogs, schemas, and metadata so data is discoverable and queryable
• Optimize query performance and cost across chosen AWS services through partitioning, compression, and file format choices
• Partner with backend C#/.NET engineers to make sure data flows cleanly from EDI processing pipelines into the new data layer
• Maintain CI/CD for data infrastructure using AWS-native tooling
• Document architecture decisions, data flows, and data dictionaries for technical and non-technical audiences

Requirements:

• 8+ years of software or data engineering experience with a strong AWS focus
• Bachelor's or Master's in Computer Science, Engineering, or a related technical discipline (equivalent practical experience considered)
• Deep AWS data services: S3, Athena, Glue, Aurora, DynamoDB, Redshift, OpenSearch, Lambda, IAM, CloudWatch
• Strong SQL skills, including designing relational query layers over semi-structured or non-relational data
• Experience parsing, querying, and transforming XML-heavy data stores at scale
• Familiarity with Athena, QuickSight, Redshift, or equivalent BI tooling
• Proven experience leading cloud data platform migrations in enterprise or healthcare environments
• Track record of evaluating AWS data services and recommending architecture based on cost, performance, and business need
• Experience delivering reporting or analytics for non-technical business users
• IaC with AWS CDK, CloudFormation, or Terraform
• CI/CD with AWS CodePipeline, CodeBuild, CodeDeploy
• Git/GitHub collaborative workflows
• Strong ability to communicate architecture decisions and trade-offs to non-technical stakeholders
• Comfortable resolving ambiguous architecture decisions with limited direction
• Agile delivery and JIRA, with strong documentation habits
• US Citizenship required, with the ability to obtain and maintain a Public Trust clearance
• Experience with X12 EDI (837, 835, 277CA), HL7, or FHIR
• Familiarity with C#/.NET backend services for integration touchpoints
• Entity Framework migration or deprecation experience
• HIPAA compliance in cloud data architecture
• Healthcare payer/PBM, clearinghouses, or pharmacy operations background
• AWS certification