Senior Infrastructure SRE

Jobtailor; Mississauga; On-site; CAD 110,000 - 160,000; Full time

Job summary

Jobtailor is seeking a senior cloud/SRE engineer in Mississauga to design and operate resilient multi‑cloud infrastructure using Terraform, Pulumi or CloudFormation, and GitOps practices, with an emphasis on automation and maintainability.

You will manage AWS/Azure/GCP workloads, run Kubernetes in production (with service mesh), implement IAM controls, SLI/SLOs, and toil reduction, and collaborate with teams to accelerate reliable software delivery.

Qualifications

• Hands-on experience designing and operating cloud infrastructure across multiple providers.
• Proficiency with Terraform, Pulumi, or CloudFormation for production IaC.
• Kubernetes in production, with service mesh experience a plus.
• Strong IAM, SAML/OIDC, and cloud IAM controls.

Responsibilities

• Design and implement scalable, reusable IaC modules using Terraform, Pulumi, or CloudFormation.
• Operate production multi-cloud workloads and Kubernetes clusters.
• Drive reliability through SLI/SLOs, error budgets, and toil reduction.
• Collaborate with teams to automate delivery and ensure secure, compliant infrastructure.

Skills

Cloud infrastructure design

Azure

AWS

GCP

Multi-cloud experience

GitOps

Python

Go

Bash

Automation scripting

SRE principles

SLI/SLO management

Reliability engineering

Kubernetes management

VM management

Service mesh

IAM

Storage management

Data security

Audit and encryption

Documentation

Communication

Education

Bachelor's degree in Computer Science, Computer Engineering, Information Technology, or related technical field

Tools

Terraform

Pulumi

CloudFormation

Kubernetes

PingFederate

Entra ID

Okta

ADFS

CI/CD pipelines

Automation tooling

Job description

Requirements

• 5+ years of hands-on experience operating and designing cloud infrastructure
• Expert-level understanding of the core services of either Azure or AWS
• Working proficiency in at least one additional platform (Azure, AWS, or GCP)
• Experience designing and supporting production infrastructure spanning multiple cloud platforms
• 3+ years of production experience with Infrastructure as Code using Terraform, Pulumi, or CloudFormation
• Ability to design scalable, reusable IaC modules and enforce GitOps workflows
• Experience managing IaC across multiple cloud providers
• Strong proficiency in Python, Go, or Bash for production automation
• Demonstrated ability to write tested, maintainable automation and tooling
• Practical application of SRE principles in production environments
• Experience defining and managing SLIs/SLOs, error budgets, and toil metrics
• Track record of improving system reliability
• Expert-level experience running Kubernetes and containerized workloads in production on managed Kubernetes, plus VM-based compute
• Practical experience operating a service mesh in production
• Strong proficiency with SAML, OAuth/OIDC, LDAP, and cloud IAM
• Working knowledge of PingFederate, Entra ID, Okta, or ADFS
• Strong proficiency with object, block, and file storage and Kubernetes persistent volumes
• Working knowledge of infrastructure in regulated environments such as HIPAA, SOC 2, PCI, or FedRAMP
• Familiarity with audit evidence, access controls, encryption, and data residency constraints
• Proven track record of reducing operational toil through automation
• Strong communication and documentation skills
• Bachelor's degree in Computer Science, Computer Engineering, Information Technology, or related technical field, or equivalent practical experience
• Evidence of continuous learning and staying current with SRE and cloud-native trends
• Nice-to-have: 2+ years in healthcare technology or highly regulated SaaS environments
• Nice-to-have: relevant cloud certifications
• Nice-to-have: Kubernetes-at-scale experience or CKA/CKAD certification
• Nice-to-have: messaging and event-streaming platforms
• Nice-to-have: CI/CD pipelines and deployment automation
• Nice-to-have: AI-assisted engineering and operations tooling
• Nice-to-have: contribution to open-source SRE tools or infrastructure projects

Core Competencies

Demonstrates expertise in designing and implementing highly available cloud infrastructure solutions, with a strong focus on Infrastructure as Code using Terraform or Pulumi. Proven ability to manage SLIs, SLOs, and improve system reliability while mentoring teams and driving multi-team initiatives.

Highest-signal resume keywords

• Cloud Infrastructure Design
• Infrastructure as Code (Terraform, Pulumi)
• SLI/SLO Management
• Kubernetes Management
• Automation Proficiency (Python, Go, Bash)

ATS Optimization Keywords

Hard Skills

• Cloud Infrastructure Design
• Infrastructure as Code
• SLI/SLO Management
• Kubernetes Management
• Python
• Go
• Bash
• Service Mesh Operation
• Cloud IAM
• Storage Management

Soft Skills

• Strong Communication
• Documentation Skills
• Mentoring

Certifications & Qualifications

• Cloud Certifications
• CKA Certification
• CKAD Certification

Industry Keywords

• HIPAA
• SOC 2
• PCI
• FedRAMP
• Healthcare Technology
• Regulated Environments

Tools & Technologies

• Terraform
• Pulumi
• Kubernetes
• CloudFormation
• PingFederate
• Entra ID
• Okta
• ADFS
• CI/CD Pipelines
• AI-assisted Tooling