Senior Software Engineer, Cloud Network

Salesforce

Senior Software Engineer building and operating cloud networking stack for Slack. Focusing on DDoS mitigation, system reliability, and collaboration with AWS and other teams.

Posted 5/27/2026full-timeRemote • Virginia • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

AWSCloudDistributed SystemsDNSGoGoogle Cloud PlatformLinuxMicroservicesPythonRubyTCP/IPTerraform

About the role

Key responsibilities & impact

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

What you’ll need

U.S. Citizenship or Permanent Residency (Green Card holder)
5+ 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

Comp & perks

time off programs
medical
dental
vision
mental health support
paid parental leave
life and disability insurance
401(k)
employee stock purchasing program

ATS Keywords

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Applicant Tracking System Keywords

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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