• Design, build, and operate the systems that power Slack’s global cloud networking stack—including ingress/egress load balancing, service-to-service networking, DNS, CDN, and traffic management. • Develop and automate detection, mitigation, and response systems to defend against DDoS and other large-scale network threats. • Contribute to infrastructure-as-code and automation frameworks to improve reliability, repeatability, and efficiency. • Troubleshoot complex issues across applications, distributed systems, and networks in Linux-based environments. • Partner closely with AWS and other engineering teams to scale Slack’s worldwide infrastructure and adopt new cloud technologies. • Drive improvements in system observability, reliability, and ease-of-use by iterating quickly on designs and collaborating across engineering. • Participate in on-call rotations to ensure the availability and resiliency of critical Slack infrastructure.