Staff Operations Engineer

<div class="gmail_default" style="font-size: small;"> <div><strong>Why Mozilla?</strong> <p><span style="font-weight: 400;">Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years.&nbsp; We make pioneering brands like Firefox, the privacy-minded web browser.&nbsp; Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies.&nbsp; Our work focuses on diverse areas including AI, social media, security, and more.&nbsp; And we’re doing this without losing focus on our core mission - to make the internet better for people.</span></p> <p><span style="font-weight: 400;">The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation.&nbsp; This means we aren’t beholden to any shareholders - only to our mission.&nbsp; Along with thousands of volunteer contributors and collaborators worldwide, Mozillians design, build, and distribute open-source software that enables people to enjoy the internet on their terms.&nbsp;</span></p> <strong>About this team and role:</strong> <p><span style="font-weight: 400;">A Staff Operations Engineer leads the design, reliability, and evolution of hybrid-cloud and workplace infrastructure. This senior role spans teams, drives complex initiatives, sets technical direction, and ensures systems are scalable, secure, and efficient.</span></p> <p><span style="font-weight: 400;">This role combines technical </span><strong>execution with leadership</strong><span style="font-weight: 400;">, shaping architecture both directly and collaboratively.</span></p> <strong>What you’ll do:</strong></div> <div>&nbsp;</div> <div><strong>Domain Architecture &amp; Technical Direction</strong> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Own and evolve architecture within a defined infrastructure domain</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Design and implement scalable, reliable systems spanning multiple teams or environments</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Establish and promote best practices, patterns, and standards within the domain</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Contribute to medium- and long-term technical strategy (typically 6-18 months)</span></li> </ul> <strong>Complex Problem Solving &amp; Execution</strong> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Lead delivery of ambiguous, high-impact infrastructure projects</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Break down elaborate system problems into implementable solutions</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Drive migrations, re-architectures, and performance/reliability improvements</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Remain hands-on with critical systems and implementations</span></li> </ul> <strong>Cross-Team Collaboration</strong> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Work across teams (IT, SRE, Security, Service Owners) to unify solutions.</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Influence technical decisions through design reviews and collaboration</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Ensure systems integrate cleanly across infrastructures (office, DC, cloud)</span></li> </ul> <strong>Reliability, Operations &amp; Scaling</strong> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Improve system reliability through monitoring, alerting, and operational design</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Contribute to defining SLIs/SLOs and capacity planning within the domain</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Participate in and lead root cause analysis for complex incidents</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Decrease operational toil through automation and system improvements</span></li> </ul> <strong>Infrastructure &amp; Networking Depth</strong> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Design and support core infrastructure components (compute, DNS, networking, identity, etc.)</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Drive improvements in performance, scalability, and dependability</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Contribute deep expertise in at least one area (e.g., DNS, network architecture, cloud infra)</span></li> </ul> <strong>Automation &amp; Tooling</strong> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Build and improve automation using scripting and Infrastructure as Code</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Contribute to internal tooling and platform improvements</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Promote repeatable, standardized approaches to system management</span></li> </ul> <strong>Mentorship &amp; Technical Guidance</strong> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Mentor engineers and guide system design and troubleshooting</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Raise the technical quality of the team through reviews and shared practices</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Act as a go-to resource within the domain</span></li> </ul> <strong>Documentation &amp; Operational Clarity</strong> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Maintain clear documentation, diagrams, and runbooks for systems owned</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Ensure systems are understandable and operable by others</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Contribute to knowledge sharing across teams</span></li> </ul> <strong>What you’ll bring:</strong> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">6+ years of experience in systems engineering or infrastructure roles</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Strong experience designing and operating production infrastructure</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Solid expertise in:</span> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">VMware</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Cisco UCS</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Application/Network Loadbalancers</span></li> </ul> </li> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Linux/Unix Operating Systems</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Networking fundamentals (DNS, TCP/IP, routing, firewalls)</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Data center environments</span></li> </ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Demonstrated ability to lead complex technical work across teams</span></li> </ul> <strong>Preferred Skills</strong> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Experience with Infrastructure as Code</span></li> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Puppet/Ansible/etc</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Python</span></li> </ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Familiarity with observability tooling and reliability practices</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Experience with containerization and modern platform tooling</span></li> <l