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.

Requirements

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 software on Linux.
Strong interpersonal and communication skills; able to explain complex technical concepts to designers, support staff, and fellow engineers.
A BS, MS, or Ph.D. in Computer Science, Engineering, or related technical field (or equivalent work experience).

Benefits

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

distributed systemscloud-native applicationsmicroservicesTCP/IPDNSDNSSECprogramming languagesinfrastructure-as-codeautomationLinux

Soft Skills

interpersonal skillscommunication skills

Certifications

BS in Computer ScienceMS in Computer SciencePh.D. in Computer Science