Senior Platform Engineer

Senior Platform Engineer

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

Will require an onsite interview

Senior Platform Engineer with strong AWS platform-building experience to help modernize an existing big data platform
. This role is not a Data Engineer or ETL Engineer position.

The ideal candidate will have hands‑on experience
designing, building, and evolving cloud platforms using AWS services, Infrastructure as Code, CI/CD pipelines, and automation—along with exposure to big data technologies.

• Platform engineering focused
• AWS-native and infrastructure-driven
• A blend of
  Platform Engineering + Dev Ops
• Focused on
  building and modernizing platforms
  , not just maintaining them

• An ETL Engineer role
• A data pipeline–centric role
• A junior or mid‑level engineering role

• AWS EMR
• Amazon S3
• Amazon RDS
• Cloud Watch
• Cloud Formation
• CI/CD pipelines

The team is actively modernizing the platform, including:

• Evaluating and using
  Athena
• Working with
  Trino
• 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 a
strong plus
, but deep conceptual understanding and platform design experience are acceptable substitutes.

• Strong hands‑on experience with
  AWS
• Deep understanding of:
  • S3
  • EMR
  • RDS
  • Cloud Watch
• Experience designing scalable, reusable platforms
• Infrastructure as Code
• Cloud Formation – Required
• Terraform – Strong Plus
• Must have authored and maintained templates (not just consumed them)
• Dev Ops & 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

• Approximately5+ years of recent, consistent platform engineering experience
• Platform ownership experience required (not just contributors to pipelines)
• Ability to articulate:
  • Platform design decisions
  • Tradeoffs
  • Modernization strategies