Staff Operations Engineer

Stack

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 and 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, data center, 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
• ▹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, guide system design and troubleshooting, and raise the technical quality of the team through reviews and shared practices
• ▹Maintain clear documentation, diagrams and runbooks for the systems you own, and contribute to knowledge sharing across teams

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 load balancers and Linux/Unix operating systems
• ▹Networking fundamentals (DNS, TCP/IP, routing, firewalls)
• ▹Experience with data center environments
• ▹Demonstrated ability to lead complex technical work across teams
• ▹Deep expertise in at least one area (e.g. DNS, network architecture, cloud infrastructure)

Nice to have

• ▹Experience with Infrastructure as Code (Puppet, Ansible, etc.)
• ▹Python
• ▹Familiarity with observability tooling and reliability practices
• ▹Experience with containerization and modern platform tooling
• ▹Exposure to security best practices in infrastructure design
• ▹GitHub Enterprise administration, user access management, GitHub org and repo management, SSO/SCIM integration, policy enforcement

Soft skills

What we offer

• ▹Performance-based bonus plans for all eligible employees
• ▹Medical, dental and vision coverage
• ▹Retirement contributions with 100% immediate vesting, regardless of whether you contribute
• ▹Quarterly all-company wellness days
• ▹Country-specific holidays plus a day off for your birthday
• ▹One-time home office stipend
• ▹Annual professional development budget
• ▹Quarterly well-being stipend
• ▹Paid parental leave
• ▹Employee referral bonus program
• ▹Other benefits (life/AD&D, disability, EAP, etc., varying by country)

About the company

Mozilla Corporation is a non-profit-backed technology company that has shaped the internet for the last 25 years, including through the Firefox browser. More than 225 million people use its products each month, and its mission is an internet built for people, not companies.