Lead DevOps Engineer ( AWS migration)

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 We offer*: Flexible working format - remote, office-based or flexible A competitive salary and good compensation package Personalized career growth Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more) Active tech communities with regular knowledge sharing Education reimbursement Memorable anniversary presents Corporate events and team buildings Other location-specific benefits *not applicable for freelancers