Operations Engineer

About the company

• Mozilla Corporation is the non-profit-backed technology company behind Firefox
• More than 225 million people use its products each month
• Wholly owned by the non-profit Mozilla Foundation

Responsibilities

• Own and evolve architecture within a defined infrastructure domain
• Design and implement scalable, reliable systems spanning multiple teams or environments
• Lead delivery of ambiguous, high-impact infrastructure projects
• Drive migrations, re-architectures, and performance/reliability improvements
• Work across teams (IT, SRE, Security, Service Owners) to unify solutions
• Improve system reliability through monitoring, alerting, and operational design
• Contribute to defining SLIs/SLOs and capacity planning
• Design and support core infrastructure components (compute, DNS, networking, identity)
• Build and improve automation using scripting and Infrastructure as Code
• Mentor engineers and guide system design and troubleshooting

Requirements

• 6+ years of experience in systems engineering or infrastructure roles
• Strong experience designing and operating production infrastructure
• Solid expertise in VMware, Cisco UCS, Application/Network Loadbalancers, Linux/Unix OS, networking fundamentals (DNS, TCP/IP, routing, firewalls), data center environments
• Demonstrated ability to lead complex technical work across teams

Preferred

• Experience with Infrastructure as Code, Puppet/Ansible, Python
• Familiarity with observability tooling and reliability practices
• Experience with containerization and modern platform tooling
• Exposure to security best practices in infrastructure design

Conditions

• Generous performance-based bonus plans
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting
• Quarterly all-company wellness days
• One-time home office stipend
• Annual professional development budget
• Considerable paid parental leave