Senior AWS Platform Engineer - DevOps & IaC Mastery

SeaOwl Energy Services (France); Kraków; On-site; PLN 180,000 - 260,000; Full time

Job summary

SeaOwl Energy Services (France) is seeking a Senior Platform Engineer with strong DevOps experience to build scalable platforms enabling rapid delivery. Based in Krakow, you will design, automate, and own platform reliability across multi-account AWS environments.

You will lead the development of secure defaults, IaC pipelines, and self-service templates, collaborating with application teams to shipping safe, observable deployments.

Qualifications

• 4+ years of hands-on AWS experience in multi-account environments.
• Proficient with Terraform (modules, state, guardrails).
• Experience operating EKS or ECS in production.
• Development experience to collaborate with application teams.

Responsibilities

• Build and maintain core platform components (SSO, access, clusters, networking, CI/CD).
• Own Terraform modules, baseline configurations, and guardrails.
• Design secure platform golden paths and standards.
• Maintain platform IaC and multi-account governance.
• Lead platform abstraction layers and service catalogs.
• Operate and evolve platform-wide logging, metrics, tracing.

Skills

Platform engineering

AWS multi-account

Terraform IaC

EKS/ECS

CI/CD pipelines

GitHub Actions

Security by design

Observability

Tools

Terraform

CDK

Job description

SeaOwl Energy Services (France) is seeking a Senior Platform Engineer with strong DevOps experience to build scalable platforms enabling rapid delivery. Based in Krakow, you will design, automate, and own platform reliability across multi-account AWS environments.

You will lead the development of secure defaults, IaC pipelines, and self-service templates, collaborating with application teams to shipping safe, observable deployments.