This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Systems Engineer based in Canada. This is a hands-on opportunity for a Senior Systems Engineer to support highly available, cloud-based infrastructure within the payments and financial services domain.You will design, implement, and maintain critical infrastructure across AWS and GCP while helping ensure strong security, performance, and reliability.The role combines cloud engineering, Infrastructure as Code, automation, networking, containerization, and production operations.You will work with mature systems where availability, scalability, and operational resilience are essential.Your expertise will help streamline infrastructure management, improve efficiency, and reduce operational risk through automation and modern engineering practices.The role is well suited to an experienced infrastructure professional who enjoys solving complex production challenges and collaborating with international teams.