Sr. Technical Investigator, Trust Investigations Account Security

LinkedIn is the world's largest professional network, built to create economic opportunity for every member of the global workforce. Our products help people make powerful connections, discover exciting opportunities, build necessary skills, and gain valuable insights every day. We're also committed to providing transformational opportunities for our own employees by investing in their growth. We aspire to create a culture that's built on trust, care, inclusion, and fun – where everyone can succeed. Join us to transform the way the world works. At LinkedIn, our approach to flexible work is centered on trust and optimized for culture, connection, clarity, and the evolving needs of our business. The work location of this role is hybrid, meaning it will be performed both from home and from a LinkedIn office on select days, as determined by the business needs of the team. This role will be based in Mountain View, CA. Trust Investigations is seeking a Senior Technical Investigator to support our work protecting member accounts. In this role, you'll develop and apply approaches to detect, understand and mitigate coordinated, persistent, and high-harm attacks against account access and authentication, helping ensure a safe and trustworthy experience for LinkedIn members. Our teams work closely with product, engineering, and data science partners dedicated to advancing our visibility, controls and measurement across login, authentication, and account recovery. In this role you will run investigations and contribute to building our technology as we operate an AI-first trust environment: you'll lead complex investigations and incidents, using case insights to develop and maintain our detection rules, pipelines, and runbooks that help LinkedIn stop account takeover (ATO) and account rental activity at scale. Our investigations drive product vulnerability assessments and risk recommendations, so you'll work with our intelligence teams, engineers focused on challenges and contro