Senior Site Reliability Engineer (Cloud Networking & Infrastructure as Code)

Team: Engineering

Location: Waterloo, Ontario, Toronto, Ontario, Ottawa, Ontario

Commitment: Full-Time

Workplace Type: remote

Role Overview 

What You’ll Do

• Design, build, and maintain AWS network infrastructure, including VPCs, Transit Gateways, Route 53, VPNs, and connectivity between accounts and environments;

Implement and manage secure networking solutions using security groups, network segmentation, and private connectivity patterns;

Develop and maintain cloud infrastructure as code using Terraform, AWS CDK, or CloudFormation, integrated with CI/CD pipelines (with ability to understand, explain, troubleshoot, and modify the code you work with);

Troubleshoot complex connectivity issues involving DNS, routing, firewalls, VPNs, and cloud services;

Partner with Application, Platform, and Security teams to design and support secure, scalable cloud architectures;

Monitor network health, investigate incidents, and drive improvements that increase reliability and operational efficiency;

Write and maintain automation, tooling, and scripts using Python, Bash, or PowerShell to improve reliability, scalability, and operational efficiency;

Contribute to cloud networking standards, DevOps practices, and operational excellence while ensuring alignment with security and compliance frameworks such as ISO 27001, SOC 2, and NIST.

What We’re Looking For

- Degree or equivalent experience in networking or computer science; 

- Strong AWS networking expertise (VPC, Transit Gateway, Route 53, VPN); 

- Experience with multi-account and multi-region architectures; 

- Strong understanding of TCP/IP, DNS, routing, firewalls; 

- Experience with IaC tools (Terraform, CDK, CloudFormation); 

- Experience with CI/CD pipelines and DevOps practices; 

- Scripting experience (Python, PowerShell, Bash); 

- Strong troubleshooting and communication skills.