Senior Trust Technical Investigator

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 hybrid in LinkedIn's Mountain View campus.

Trust Investigations is seeking a Senior Technical Investigator to support our work managing fraud and scams. In this role, you'll develop and apply approaches to detect, understand and mitigate coordinated, persistent, and high-harm activity from highly adversarial actors, helping ensure a safe and trustworthy experience for LinkedIn members.

Our teams work in close partnership with product, engineering, and data science partners dedicated to advancing our visibility, controls and measurement. 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 investigation and incidents, using case insights to develop and maintain our detection rules, pipelines, and runbooks that help LinkedIn stop scam activity at scale. Our investigations drive product vuln assessments and risk recommendations, so you’ll work with our intelligence and product-risk teams to ensure findings inform how the company builds and protects its products going forward.

Key Responsibilities

Investigation & Incident Leadership

• Lead root-cause investigations into complex, coordinated, or high-impact scam campaigns and abuse networks, from initial leads through resolution.

• Serve as incident commander for major scam-related incidents, coordinating response and ensuring timely, accurate resolution.

• Generate proactive investigative leads and track emerging coordinated threat activity relevant to scams and fraud.

Detection Engineering & Technical Tradecraft

• Author detection rules and data pipelines tuned specifically to scam patterns and typologies.

• Innovate on investigative tradecraft, staying current on tools, techniques, and adversary tactics used across the fraud and scams landscape broadly.

• Partner with Engineering and Data Science to build and refine how we do analysis, threat-hunting and mitigations for scams.

• Develop technical playbooks that help the broader team scale its investigative work.

Cross-Functional Partnership & Vulnerability Reporting

• Partner with intelligence and product-risk teams to ensure investigative findings and intel inform product planning and risk posture.

• Collaborate with Product, Engineering, Data Science, Legal, and Policy partners to align investigative priorities with product roadmaps and the broader trust and safety strategy.

• Represent the technical substance of your team's work in cross-functional forums and externally to peers in the sector.

Quality & Mentorship

• Mentor other investigators on technical, investigative, and tooling capabilities, fostering a culture of rigor and continuous learning.

Department: Engineering
Experience Level: Mid-Senior Level