Infrastructure Engineer - Core Systems

Job Description • Build, operate, and improve production infrastructure, with a focus on AWS, Kubernetes, and CDN and caching systems. • Troubleshoot complex infrastructure issues across Linux, networking, Kubernetes, and content delivery. • Automate infrastructure provisioning and configuration management to make deployments consistent and reliable. • Develop monitoring and alerting, investigate production incidents, and implement improvements that prevent recurrence. • Collaborate with development, support, and QA teams to improve infrastructure reliability and performance. • Propose and implement improvements that benefit our infrastructure, teams, and users. • Participate in the team’s on-call rotation to resolve production incidents and restore service availability. Qualifications • 4+ years of experience operating production infrastructure, with strong Linux administration, networking, and troubleshooting skills. • Strong understanding of AWS fundamentals, including compute, networking, load balancing, and auto scaling. • Practical experience administering and troubleshooting production Kubernetes clusters, including cluster upgrades, networking, and scaling. • Experience operating CDN and HTTP caching infrastructure using Varnish, NGINX, or similar technologies, with a solid understanding of HTTP, DNS, TLS, cache behavior, and invalidation. • Experience automating infrastructure provisioning and configuration management using Terraform and tools such as Ansible, Chef, or equivalents. • Experience using Prometheus, Grafana, or equivalent tools for monitoring, incident investigation, and performance troubleshooting. • Experience with on-premises infrastructure, private clouds, hypervisors, or bare-metal servers is an advantage. At Wix, we believe our best work happens together. Our work model is fully in person, with 5 days a week from our office. Flexibility remains a core value at Wix and special requests are handled thoughtfully at the team level. Additional Information We are Wix’s Infrastructure Guild. We’re at the core of building and maintaining the production and CI/CD environment. Our mission is to improve production performance and resilience to ensure 99.99% uptime for millions of users and drive our developer velocity. We also design, develop and operate cutting-edge services and robust tools for the entire developer community—both Frontend and Backend. We’re proud to be an equal opportunity employer. Wix was built around the idea that everyone has the right to be successful, online. This same vision defines us as an employer: creating a work environment where everyone is welcome, and anyone has the right to succeed.