Infrastructure Engineer - Core Systems

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.

Responsibilities

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.

Requirements

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.