Site Reliability Engineer

Are you an experienced Site Reliability Engineer looking for a new challenge? We’re looking for a Staff Site Reliability Engineer to join us at Thinkific.

As a Staff Site Reliability Engineer, you will help us scale and secure the infrastructure that powers thousands of online course creators around the world.

In this role, you’ll play a critical role in improving the performance, reliability, and security of our platform. You’ll work cross‑functionally with engineers, product managers, and stakeholders to drive forward reliability‑focused initiatives, build scalable systems, and mentor others. You’ll also help shape our technical strategy, lead major infrastructure projects, and act as a domain expert in modern cloud‑native practices, with a specific emphasis on Kubernetes, cloud infrastructure (AWS), observability, and service reliability.

• Own one or more technical domains across our infrastructure with accountability for system reliability, performance, scalability, and security
• Lead projects to evolve our Kubernetes‑based platform, ensuring alignment with SLOs, security best practices, and long‑term maintainability
• Contribute to the design and evolution of our infrastructure using Terraform, Helm, and cloud‑native tools, with an emphasis on modularity, reuse, and automation
• Partner with engineering teams to design robust deployment pipelines, ensure operational readiness, and build secure‑by‑default patterns for recent services
• Lead incident response efforts and participate in on‑call rotation, driving a culture of blameless postmortems and learning
• Write infrastructure and application code in Ruby, Node.js, Python, or Bash to automate operations and improve developer experience
• Serve as a mentor and multiplier, raising the technical bar through coaching, knowledge sharing, and technical leadership
• Actively promote observability, testing, and continuous improvement in everything you build and advocate for within your team
• Participate in our on‑call rotation and incident response processes to help maintain a high level of service reliability

• Has 6+ years of experience in software or infrastructure engineering, including 4+ years working with Kubernetes in production environments
• Holds a CKA certification or equivalent hands‑on Kubernetes expertise (bonus for experience managing multi‑tenant clusters or complex networking in K8s)
• Has deep knowledge of TLS, certificates, ciphers, and encryption protocols, and can explain how they secure communications in a distributed system
• Has production experience with AWS infrastructure and services (EKS, RDS, IAM, ALB, S3, etc.)
• Writes infrastructure‑as‑code using Terraform, and has built scalable and secure infrastructure following modular and reusable patterns
• Is comfortable with monitoring and observability tooling (e.g., New Relic, Datadog, Prometheus, Grafana, Sentry) and building alerting based on meaningful SLOs
• Has experience supporting distributed systems with relational and non‑relational databases (PostgreSQL, AWS Aurora), message queues (Sidekiq, SNS/SQS), and asynchronous architectures
• Enjoys collaborating across teams and helping shape engineering roadmaps and architectural direction
• Brings a robust ownership mentality, cares deeply about developer experience and operational excellence, and thrives in a fast‑paced environment
• Loves to learn and grow. They’ve found (and keep looking for) ways to level up their skills in this field, whether that’s through formal education, gaining professional experience, or maybe even building their own business

• Experience with Database Administration (DBA) practices, including performance tuning, replication strategies, backup and recovery planning, and operational support for PostgreSQL or AWS Aurora environments
• Experience working with Ruby on Rails and/or Node.js applications in production
• Familiarity with Cloudflare, load balancing strategies, and CDN configuration
• Experience improving CI/CD pipelines and secure software supply chains

This role has a salary range of $132,900 – $166,100 – $182,900 in Canada, designed to capture the full journey from developing skills to…