Senior Platform Engineer

Position: SeniorPlatform Engineer

Hybrid:3 days/week onsite - in Rockville, MD or Tysons Corner, VA

• **Will require an onsite interview***

Senior Platform Engineerwith strongAWS platform-building experienceto help modernize an existingbig data platform. This role isnota Data Engineer or ETL Engineer position.

The ideal candidate will have hands-on experiencedesigning, building, and evolving cloud platformsusing AWS services, Infrastructure as Code, CI/CD pipelines, and automation-along with exposure to big data technologies.

This Role IS:

• Platform engineering focused
• AWSnative and infrastructuredriven
• A blend ofPlatform Engineering + DevOps
• Focused onbuilding and modernizing platforms, not just maintaining them

This Role Is NOT:

• An ETL Engineer role
• A data pipeline-centric role
• A junior or midlevel engineering role

Current Platform Environment:

• AWS EMR
• Amazon S3
• Amazon RDS
• CloudWatch
• CloudFormation
• CI/CD pipelines

The team is actively modernizing the platform, including:

• Evaluating and usingAthena
• Working withTrino
• Exploring additional AWS-native and modern big data / analytics services
• Migrating from legacy patterns to newer architectural approaches

Hands-on experience with Athena/Trino is astrong plus, but deep conceptual understanding and platform design experience are acceptable substitutes.

Required Technical Skills:

• Strong hands-on experience withAWS
• Deep understanding of:
• S3
• EMR
• RDS
• CloudWatch
• Experience designing scalable, reusable platforms
• Infrastructure as Code
• CloudFormation - Required
• Terraform - Strong Plus
• Must have authored and maintained templates (not just consumed them)
• DevOps & CI/CD
• CI/CD pipeline design and implementation
• Git-based workflows
• Automated deployments for infrastructure and services
• Operational mindset (monitoring, reliability, automation)
• Programming & Automation
• Strong Python development experience
• Python used for:
• Automation
• Orchestration
• Platform tooling
• Big Data / Analytics (Preferred)
• EMR experience
• Exposure to Athena, Trino, or similar query engines
• Understanding of big data platform design and tradeoffs
• Experience & Seniority Expectations

Senior-level engineer only:

• Approximately5+ yearsofrecent, consistentplatform engineering experience
• Platform ownership experience required (not just contributors to pipelines)
• Ability to articulate:
• Platform design decisions
• Tradeoffs
• Modernization strategies