Senior Engineering Manager, Infrastructure

TL;DR

Senior Engineering Manager (Infrastructure): Leading the strategy and operations behind systems that power Thunderbird and MZLA’s global business with an accent on building and maintaining scalable, secure, and reliable infrastructure. Focus on designing cloud environments, improving automation and CI/CD processes, and ensuring system performance and compliance across all platforms.

Location: Applicants must reside in and have permanent work authorization for Canada

Salary: $140,000 - $175,000 CAD

Company

MZLA Technologies Corporation is a wholly owned, for-profit subsidiary of the Mozilla Foundation and home to Thunderbird, an open-source email and productivity platform.

What you will do

• Design and evolve infrastructure systems to ensure scalability, reliability, and cost efficiency.
• Lead and mentor a distributed infrastructure team, fostering a collaborative and inclusive culture.
• Oversee all cloud environments supporting MZLA’s products and business systems.
• Drive automation, Infrastructure-as-Code, and CI/CD best practices.
• Ensure security, observability, and reliability across production and business systems.

Requirements

• 15+ years of experience in infrastructure, DevOps, or SRE roles, including 4+ years in leadership.
• Expertise in multi-cloud environments and automation (e.g., Terraform, Pulumi, Ansible, Kubernetes).
• Strong understanding of cloud security, data protection, and reliability best practices.
• Excellent communicator comfortable working across distributed global teams.
• Applicants must reside in and have permanent work authorization for Canada.

Nice to have

• Previous experience maintaining an open-source project, or regular participation in an open-source community.

Culture & Benefits

• Fully remote work & schedule flexibility
• 24 days PTO per year (prorated)
• Annual Professional Development Stipend
• Health, Dental, & Vision Insurance