Senior Product Security Engineer

Our Platform Security team supports the following tenet of Slack’s mission: make people’s working lives more secure. We’re serious about protecting our infrastructure, operations, and most importantly our customers’ data. We take a systemic approach to security and strive to ensure we provide low friction high-impact security across everything we do. As a member of the Platform Security team you care about shipping secure products and ensuring that the way in for the bad guys is never through the front door. You are passionate about enabling our developers in shipping secure products. You think about your job as not fixing bugs but finding effective ways to eliminate them. Your work will directly impact the way millions of people, teams, and businesses get things done using Slack.

Responsibilities

  • Performing technical security assessments on our web applications, mobile clients, and architecture designs
  • Efficiently scoping blackbox, whitebox, and graybox assessments to optimize security review time and resources
  • Communicating risks effectively to engineering staff through training and technical demonstration of vulnerabilities and secure design patterns for security topics
  • Maintaining and creating secure development practices and programs for our engineering teams and external developers
  • Acting as an ambassador for the secure development lifecycle within Slack
  • Serving as a public ambassador for security at Slack by engaging in internal and external speaking engagements
  • Maintaining your skillset and technical knowledge current and relevant to the technologies used at Slack
  • Seeking out opportunities to automate processes when appropriate
  • Identifying risk in code, applications, processes, and architecture
  • Tracking and responding to issues detected during internal reviews or reported via our Bug Bounty program
  • Reviewing and validating issues reported via our Bug Bounty Program, Slack customers, and other researchers
  • Prioritize issues and assign an appropriate CVSS score and follow up with different teams to address those issues
  • Assist and mentor junior team members in conducting security reviews

Requirements

  • Several years experience in security testing of web applications and native mobile apps
  • Deep understanding of web application architecture and design principles
  • Strong written and verbal communication skills and communicate with empathy when delivering constructive feedback regarding security matters to engineers and product designers
  • Background in software engineering and common development practices in a collaborative and dynamic environment
  • Experience with manual secure code review in languages such as: JavaScript, Java, Python, Ruby, PHP
  • Familiarity with common web application testing tools for DAST, SAST, and IAST analysis such as Burp Suite, Checkmarx, Veracode or similar
  • Knowledge of authentication mechanisms like SAML, OAuth, etc.
  • Knowledge of common security flaws and resolution as published by OWASP, SANS, etc.
  • Ability to learn new technologies quickly and provide appropriate security advice
  • Knowledge of how to test code and applications across various platforms (iOS, Mac, Linux, Windows, Android, etc) for security and quality
  • Ability to see patterns, commonalities and investigate complex issues
  • Current or former security training or certifications such as SANS GWAPT or similar is a plus
  • Public speaking engagements or published research is also a plus
  • Organizational skills to bring together and record detailed and accurate information about bugs and systemic issues
  • Bachelor’s degree in Computer Science, Engineering or related field, or equivalent training, fellowship, or work experience
  • Experience with Amazon AWS services and familiarity with Slack products is a plus

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