Senior Engineering Manager, Infrastructure jobs in United States
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Mozilla · 1 week ago

Senior Engineering Manager, Infrastructure

MZLA Technologies Corporation, a subsidiary of the Mozilla Foundation, is seeking a hands-on Senior Engineering Manager to lead the strategy and operations behind the systems that power Thunderbird and MZLA’s global business. The role involves guiding a distributed team to build and maintain scalable, secure, and reliable infrastructure, while also ensuring the organization's operational maturity as it grows.

Browser ExtensionsInternetOpen SourceSoftwareWeb Browsers
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Comp. & Benefits
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Responsibilities

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
Set and track operational and service level metrics that help teams understand performance and cost patterns
Work with community contributors to strengthen our infrastructure and keep systems adaptable
Ensure security, observability, and reliability across production and business systems
Lead incident management, including on-call coordination, root-cause analysis, and post-incident review
Collaborate across teams to align infrastructure decisions with product, compliance, and operational needs
Manage infrastructure budgets, vendor relationships, and scaling plans to support organizational growth

Qualification

Infrastructure designCloud environmentsAutomationCI/CD processesMulti-cloud expertiseCloud securityData protectionBudget managementOpen-source principlesTeam leadershipCommunication skills

Required

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)
Proven ability to balance hands-on engineering with team leadership and strategic planning
Strong understanding of cloud security, data protection, and reliability best practices
Ability to plan and manage budgets along with skill in cloud cost stewardship
Experience working with privacy and compliance expectations for cloud hosted systems
Excellent communicator comfortable working across distributed global teams
Passion for open-source principles and collaborative problem-solving

Preferred

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

Benefits

Fully remote work & schedule flexibility
Latest Laptop
Monthly Remote Work Stipend
Annual Professional Development Stipend
Access to Udemy Learning Platform
Industry Conferences
Company All Hands
24 days PTO per year (prorated)
Your Birthday
Year-end Company Shutdown
9 Wellbeing Days
Public Holidays
Other Paid Leave
Quarterly Wellbeing Stipend for Personal / Family Activities
401(k) Contributions
Health, Dental, & Vision Insurance
Disability Insurance
Life Insurance
Employee Assistance Program
Paid Parental Leave
Paid Sick Days

Company

Mozilla provides internet solutions and offers firefox, thunderbird, and raindrop.

Funding

Current Stage
Late Stage
Total Funding
$2.3M
Key Investors
AOL
2005-01-01Angel· $0.3M
2003-07-15Series Unknown· $2M

Leadership Team

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John Shaughnessy
Manager, Engineering and Ecosystem Strategy
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Company data provided by crunchbase