The Mozilla Corporation was founded in 2005 as a taxable, wholly-owned subsidiary of the Mozilla Foundation, which launched in 2003. The corporation serves the
Senior Site Reliability Engineer
Location
United States
Posted
4 days ago
Salary
$123K - $144K / year
Seniority
Senior
Job Description
Senior Site Reliability Engineer
Mozilla
• Operate and evolve our EKS-based Kubernetes platform • Design and develop CI/CD systems supporting websites, services, and Thunderbird desktop releases • Write and maintain infrastructure in Pulumi and/or Terraform/OpenTofu across multiple AWS accounts • Operate and evolve our observability stack and partner with engineering teams to incorporate instrumentation and monitoring into service design • Apply security-conscious infrastructure practices • Diagnose and debug production incidents and drive root-cause analysis • Participate in on-call rotation and collaborate with SDEs and fellow SREs • Contribute to runbooks, architecture documentation, and team processes
Job Requirements
- 7+ years of experience in infrastructure, platform engineering, or site reliability roles
- Hands-on production Kubernetes experience in workload operations, troubleshooting, and cluster management
- Hands-on experience with infrastructure-as-code on AWS using Terraform, OpenTofu, or Pulumi
- Security awareness in day-to-day infrastructure work: identity, least privilege, secrets hygiene, and network controls
- Demonstrated ownership mindset with the ability to proactively identify issues, drive work to completion, and communicate risks early
- Excellent async written communication skills
- Ability to collaborate effectively with software engineers and non-engineering stakeholders to improve platform reliability and operational efficiency
- Ability to learn, evaluate, and responsibly use emerging technologies
Benefits
- Fully remote work & schedule flexibility
- Company-provided laptop
- Annual bonus program
- Monthly remote work stipend
- Annual professional development stipend
- Industry conferences
- Company all-hands and team gatherings
- 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
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