Senior Engineering Manager, Infrastructure - Remote

Overview

MZLA Technologies Corporation (MZLA) is a wholly owned, for-profit subsidiary of the Mozilla Foundation and home to Thunderbird, our flagship open-source email and productivity platform empowering more than 20 million people around the world. While part of the Mozilla portfolio of companies, MZLA operates independently in both identity and organizational structure from the Mozilla Foundation and Mozilla Corporation.

In Short

• Lead the strategy and operations behind the systems that power Thunderbird and MZLA’s global business.
• Guide a small, distributed team in building and maintaining scalable, secure, and reliable infrastructure.
• Play a key role in bringing infrastructure for a new SaaS product across the finish line.
• Establish practices that keep systems resilient against outages and attacks.
• Design cloud environments, improve automation and CI/CD processes.
• Ensure security, observability, and reliability across production and business systems.
• Manage infrastructure budgets, vendor relationships, and scaling plans.
• Collaborate across teams to align infrastructure decisions with product and operational needs.
• Foster a collaborative and inclusive culture within the team.
• Drive automation and Infrastructure-as-Code best practices.

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, Ansible, Kubernetes).
• Strong understanding of cloud security, data protection, and reliability best practices.
• Excellent communicator comfortable working across distributed global teams.
• Passion for open-source principles and collaborative problem-solving.

Benefits

• Fully remote work & schedule flexibility.
• Competitive salary targeted at the 60th percentile of the peer market.
• Comprehensive benefits package including health, dental, and vision insurance.
• 24 days PTO per year.
• Access to professional development stipends and learning platforms.
• Monthly remote work stipend.
• Annual company shutdown during the holidays.