TL;DR

Senior Manager Platform Infrastructure (System Engineering): Lead strategy and operations for scalable, secure, and reliable infrastructure supporting Thunderbird and MZLA’s global business with an accent on cloud environments, automation, and operational maturity. Focus on designing cloud infrastructure, driving CI/CD best practices, and managing infrastructure for both product and business systems at scale.

Location: Remote in United States or Canada with permanent work authorization required

Salary: $160,000 - $195,000 USD (US market), $140,000 - $175,000 CAD (Canada market)

Company

MZLA Technologies Corporation is a wholly owned subsidiary of %hirify_global% Foundation, developing Thunderbird, an open-source email and productivity platform used by over 20 million people worldwide.

What you will do

Design and evolve scalable, reliable, and cost-efficient infrastructure systems.
Lead and mentor a distributed infrastructure team fostering collaboration and inclusivity.
Oversee all cloud environments supporting products and business systems.
Drive automation, Infrastructure-as-Code, and CI/CD best practices.
Set and track operational and service level metrics for performance and cost.
Lead incident management including on-call coordination and root-cause analysis.

Requirements

15+ years experience in infrastructure, DevOps, or SRE roles with 4+ years in leadership
Expertise in multi-cloud environments and automation tools like Terraform, Pulumi, Ansible, Kubernetes
Strong understanding of cloud security, data protection, and reliability best practices
Ability to plan and manage budgets and cloud cost stewardship
Excellent communication skills for working across distributed global teams
Permanent work authorization in United States or Canada required; no visa sponsorship

Nice to have

Experience maintaining or contributing regularly to open-source projects.

Culture & Benefits

Fully remote work with schedule flexibility
Latest laptop and monthly remote work stipend
Annual professional development stipend and access to Udemy learning platform
24 days PTO plus wellbeing days, public holidays, and paid parental leave
401(k)/RRSP pension contributions, health, dental, vision, disability, and life insurance
Company all hands and industry conference opportunities

Hiring process

Careful review of cover letters and screening questions
Interviews and assessments scheduled after company holiday shutdown
Focus on authenticity and original candidate responses