Lead DevOps Engineer AWS

Our client is a leading European online car marketplace, serving over 30 million monthly users across 18 countries. As a Lead DevOps Engineer – AWS Migration & Security, you will play a pivotal role in modernizing the platform that powers their business — migrating core services to AWS and strengthening the security posture that protects their customers and data at scale.

Responsibilities:

• Plan and execute the migration of existing services to AWS, with a focus on ECS, RDS, and AWS networking (VPC, subnets, security groups, load balancing)
• Identify, prioritize, and remediate security vulnerabilities; apply security fixes and patches across infrastructure and application layers
• Build and maintain infrastructure as code using Terraform and configuration management with Ansible
• Contribute hands-on application development and code changes in PHP and/or Python to support migration and security work
• Collaborate with cross-functional engineering teams to coordinate migration cutovers with minimal disruption
• Document migration runbooks, infrastructure changes, and security remediation work

Requirements:

• AWS certification: Solutions Architect (Associate or Professional) or AWS Certified Developer, backed by proven hands-on experience with AWS in production environments — particularly ECS, RDS, and networking; multi-account experience is a plus
• Strong infrastructure-as-code skills with Terraform; working experience with Ansible
• Solid software development experience in PHP, Python, or TypeScript, with the ability to read, modify, and ship production code
• Experience with cloud migration projects (lift-and-shift and/or re-platforming)
• Practical security experience: vulnerability assessment, patching, hardening, and remediation
• Comfort working across teams and codebases in a cross-functional setting
• Availability to work Toronto timezone (EST/EDT) business hours

Nice to have:

• Experience with containerization and Docker in production
• CI/CD pipeline design and maintenance
• Familiarity with compliance or security frameworks (e.g., SOC 2, CIS benchmarks)
• Prior experience in contract or consulting engagements with defined deliverables