Senior Cloud Infrastructure Engineer

Signal 1; Toronto; On-site; CAD 120,000 - 180,000; Full time

Job summary

Signal 1, a HealthTech startup, seeks a Senior Cloud Infrastructure Engineer to design, build, and run Azure infrastructure behind its AI platform. You will shape architecture, create deployment pipelines, and ensure security and reliability across environments.

You will troubleshoot with software engineers, own components end-to-end, and build internal tools to automate operations. 5+ years in cloud infra, strong scripting, and clear communication are required.

Qualifications

• Bachelor's degree in Computer Science or equivalent practical experience.
• 5+ years of experience in cloud infrastructure, DevOps, or platform engineering.
• Hands-on with Azure, AWS or GCP; production experience with Kubernetes, Helm, Terraform, and CI/CD tools.
• Strong networking skills; scripting in Python and Bash; read and understand code.
• Ability to understand end-to-end system interactions and communicate clearly.

Responsibilities

• Design, build, and run the Azure infrastructure behind Signal 1's products using infrastructure as code.
• Build deployment pipelines from commit to production across environments.
• Shape architecture from application to infrastructure; troubleshoot live issues with engineers.
• Develop full-stack internal tools to automate daily Infrastructure Team work.
• Maintain platform security, compliance, backups, monitoring, and recovery.
• Own components and projects end-to-end, bringing ideas to accelerate the team.

Skills

Cloud infrastructure

DevOps

Kubernetes

Terraform

CI/CD (GitHub Actions)

Networking

Python

Bash

System thinking

Communication

Education

Bachelor's degree in Computer Science

Tools

Azure

AWS

GCP

Helm

Datadog

Terragrunt

Job description

Signal 1 helps health systems accelerate AI adoption with a category defining technology platform. Signal 1’s first product, the AI Management System (AIMS), gives health system leaders visibility and control across their growing AI portfolios. AIMS offers comprehensive oversight of predictive and generative AI applications and introduces guardrails to mitigate downside risks. It sets the standard for Responsible AI in healthcare. Purpose-built for healthcare and informed by years of experience managing AI at scale in other industries, Signal 1 empowers healthcare organizations to translate innovation into real clinical, operational, and financial outcomes.
Signal 1 is a 30-person, well-funded and rapidly growing startup with strong product market fit and deployments at a growing number of top-20 US health systems.

We are looking for a Senior Cloud Infrastructure Engineer to join our small, hands-on Infrastructure Team. You will:

• Design, build, and run the Azure infrastructure behind Signal 1's products using infrastructure as code.
• Build deployment pipelines that take code from commit to production across multiple environments.
• Help shape the architecture of the whole system, from the application to the infrastructure and everything in between.
• Troubleshoot live issues together with our software engineers.
• Build full-stack internal tools that automate the Infrastructure Team's everyday work.
• Keep the platform secure, compliant, and reliable, including monitoring, backups, and recovery.
• Own components and projects from idea to production, and bring new ideas that make the whole team faster.

Required Qualifications:

• Bachelor's degree in Computer Science or equivalent practical experience.
• 5+ years of experience in cloud infrastructure, DevOps, or platform engineering.
• Strong hands-on experience with at least one major cloud platform (Azure, AWS, or GCP).
• Production experience with Kubernetes, Helm, Terraform, and continuous integration and delivery tools such as GitHub Actions.
• Strong networking knowledge, including designing and building secure cloud networks.
• Strong Python and Bash scripting skills, and the ability to read and understand application code.
• A clear understanding of how every part of a modern software system works together, end to end.
• Strong communication skills, with the ability to pick up context fast, bring useful ideas to technical discussions, and explain complex topics in plain words.

Preferred Qualifications:

• Experience with Azure, Terragrunt, Istio, and Datadog.
• Experience designing multi-tenant SaaS environments where each customer's data is isolated.
• Experience building full-stack internal tools, such as deployment or operations tools.
• Familiarity with HIPAA and SOC 2, and experience handling protected health information (PHI).
• Experience deploying software into customer-managed or private network environments.
• Experience in small startup teams that build and ship fast.