Staff Cloud Network Engineer Slack

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job CategorySoftware Engineering Job Details About SalesforceSalesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isn't a buzzword - it's a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about bettering business and the world through AI, driving innovation, and keeping Salesforce's core values at the heart of it all. Ready to level-up your career at the company leading workforce transformation in the agentic era? You're in the right place! Agentforce is the future of AI, and you are the future of Salesforce. The Cloud Network team is a globally distributed team of systems and software engineers across Australia, the US, and Canada, responsible for enabling the fast and reliable delivery of Slack to over 17M+ daily active users worldwide. We manage Slack's AWS cloud ecosystem and provide the foundational networking, account and identity access, and infrastructure-as-codeplatforms that power Slack's operations at scale. Our work spans ingress load balancing and intelligent traffic management-including our own fleet of software load balancers, cloud load balancing infrastructure, DNS and CDN services. We also design and operate systems for DDoS detection and automated mitigation, ensuring Slack remains resilient against large-scale threats. We are a small team making a large impact. We rapidly iterate and work closely with other teams in engineering ensuring resilient systems built to scale. We have a strong commitment to quality and understand that simplicity and reliability should be primary aspects of the systems that we build.Reliabilityis Slack's most critical feature! Slack has a positive, diverse, and supportive culture - we look for people who are curious, inventive, and work to be a little better every single day. In our work together we aim to be smart, humble, hardworking and, above all, collaborative. If this sounds like a good fit for you, why not say hello? About the RoleThis is a full-time staff engineering position based in the U.S. What you will be doing * 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. What you should have * Must have lawful permanent residency in the U.S. * 8+ years of experience in software engineering, with a strong focus on distributed systems, cloud-native applications, and microservices. * Hands-on experience with cloud providers such as AWS or GCP * Strong knowledge of TCP/IP, DNS, DNSSEC, and related network protocols. * Proven track record of building tools, automation, or services using one or more programming languages (e.g., Go, Ruby, Python, C/C++). * Extensive experience with infrastructure-as-code (Terraform, CloudFormation). * Prior experience deploying, operating, and debugging server