← All roles

Staff Operations Engineer

Mozilla· Infrastructure
Apply on company site
Hybrid (Remote US)$163k - $218kFull-timePosted 4mo ago

About the role

A Staff Operations Engineer leads the design, reliability, and evolution of hybrid-cloud and workplace infrastructure, spanning teams and driving complex initiatives with technical direction and scalable, secure systems.

Responsibilities

  • Own and evolve architecture within a defined infrastructure domain
  • Design and implement scalable, reliable systems spanning multiple teams or environments
  • Establish and promote best practices, patterns, and standards within the domain
  • Contribute to medium- and long-term technical strategy (typically 6-18 months)
  • Lead delivery of ambiguous, high-impact infrastructure projects
  • Break down elaborate system problems into implementable solutions
  • Drive migrations, re-architectures, and performance/reliability improvements
  • Remain hands-on with critical systems and implementations
  • Work across teams (IT, SRE, Security, Service Owners) to unify solutions
  • Influence technical decisions through design reviews and collaboration
  • Ensure systems integrate cleanly across infrastructures (office, DC, cloud)
  • Improve system reliability through monitoring, alerting, and operational design
  • Contribute to defining SLIs/SLOs and capacity planning within the domain
  • Participate in and lead root cause analysis for complex incidents
  • Decrease operational toil through automation and system improvements
  • Design and support core infrastructure components (compute, DNS, networking, identity, etc.)
  • Drive improvements in performance, scalability, and dependability
  • Contribute deep expertise in at least one area (e.g., DNS, network architecture, cloud infra)
  • Build and improve automation using scripting and Infrastructure as Code
  • Contribute to internal tooling and platform improvements
  • Promote repeatable, standardized approaches to system management
  • Mentor engineers and guide system design and troubleshooting
  • Raise the technical quality of the team through reviews and shared practices
  • Act as a go-to resource within the domain
  • Maintain clear documentation, diagrams, and runbooks for systems owned
  • Ensure systems are understandable and operable by others
  • Contribute to knowledge sharing across teams

Qualifications

  • 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 Operating Systems
  • Networking fundamentals (DNS, TCP/IP, routing, firewalls)
  • Data center environments
  • Demonstrated ability to lead complex technical work across teams

Skills

Required:Multi-team leadershipDomain architecture

Benefits

  • Generous performance-based bonus plans for all eligible employees - we share in our success as one team
  • Rich medical, dental, and vision coverage
  • Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
  • Quarterly all-company wellness days where everyone takes a pause together
  • Country-specific holidays plus a day off for your birthday
  • One-time home office stipend
  • Annual professional development budget
  • Quarterly well-being stipend
  • Considerable paid parental leave
  • Employee referral bonus program
  • Other benefits (life/AD&D, disability, EAP, etc. - varies by country)
Last updated Sep 16, 2026. Interested? Apply on the company site.

About Mozilla

Internet for people, not profit

Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.

BrowserInternetNot-for-profitFirefox
Company profileWebsite

More open roles at Mozilla