Senior Security Engineer

<div class="content-intro"><p><span style="text-decoration: underline;"><strong>About Us</strong></span></p> <p>At You.com, we are building the AI Search Infrastructure that powers modern AI systems. Our goal is to create the trusted knowledge layer that agents, applications, and enterprises rely on to retrieve real-time, accurate, and citation-backed information.</p> <p>Our platform combines proprietary vertical indexes with LLM-optimized retrieval systems to power AI agents, applications, and enterprise workflows. We are solving hard problems across search, large language models, and large-scale infrastructure to make AI systems more reliable, transparent, and useful.</p> <p>Our team includes engineers, researchers, product builders, and operators who care about solving meaningful problems and delivering real-world impact. Whether you are improving core infrastructure, shaping product experiences, or helping bring new AI capabilities to market, your work will help define how modern AI finds and uses knowledge.</p></div><h4 class="AnswerParser_AnswerParserH3__Mpe4s"><span style="text-decoration: underline;">About the Role</span></h4> <p>The Security Engineering team at You.com is dedicated to enabling engineering teams to securely design, build, test, and maintain the software and infrastructure that powers the company’s platforms. The team establishes a "paved road" approach, ensuring engineers can deliver secure technologies with minimal friction while maintaining a strong focus on protecting the business, earning customer trust, and fostering a culture of security, transparency, and shared responsibility. Reporting to the Head of Security, this role will champion security across You.com, driving continuous improvement and empowering teams to build trusted, resilient services.</p> <h4 class="AnswerParser_AnswerParserH3__Mpe4s"><span style="text-decoration: underline;">Responsibilities</span></h4> <ul class="AnswerParser_AnswerParserUnorderedList__P_1FW"> <li>Act as a security subject matter expert to support engineers through design reviews, threat modeling, code reviews, patch creation, and security testing.</li> <li>Collaborate with product and engineering teams to architect resilient, security-first services.</li> <li>Engineer and implement secure, scalable, and resilient systems.</li> <li>Develop and customize high-signal security tooling through automation and plugins.</li> <li>Manage day-to-day security tasks, including abuse remediation, threat research, and incident handling.</li> <li>Participate in on-call rotations and incident response efforts to ensure platform and customer security.</li> </ul> <h4 class="AnswerParser_Ans