Sr. Trust and Safety Investigator

We are seeking a Sr. Trust Investigator to join our Scaled Investigations Team in Singapore. They will apply advanced investigative tradecraft and case management to uncover and mitigate coordinated, persistent, and high-impact abuse, ensuring a safe and professional experience for LinkedIn members. This role is pivotal in managing high priority anti-abuse investigations and driving intelligence insights that improve the effectiveness of Trust systems and the LinkedIn platform. Additionally, they will advance the technical skills of team members and lead cross-functional initiatives within Trust.

Our Trust Investigators play a key role in protecting LinkedIn’s members and our platform from adversarial abuse; we are looking for a self-starter who takes ownership over their work and enjoys being part of a fast-paced, collaborative, global team that values results.

Key Responsibilities:

• Lead and/or facilitate the resolution of high-priority investigative cases supported by the Scaled Investigations Team, involving coordinated campaigns, abuse networks, and complex attacks.

• Assist with the case management of investigative request escalations related to coordinated and complex abuse, working with our incident response function when appropriate.  

• Generate proactive investigative leads, track coordinated threat (CT) activity, and develop technical playbooks to scale investigative work.

• Produce timely and actionable threat intelligence reports and briefings to inform Trust leadership and drive strategic investments in our defense and our products.

• Advance team investigative tradecraft using querying and data analysis languages like SQL and Python for proactive abuse discovery.

• Collaborate closely with cross-functional teams including product management, incident management, data science, legal, and security operations to ensure shared understanding and guide product strategy.

• Develop and refine threat hunting methodologies, tools, and frameworks tailored to the social media landscape, incorporating data from internal signals, external intelligence feeds, and open-source investigations.

• Mentor and guide investigators, fostering a culture of deep investigative rigor and continuous learning.

• Integrate threat intelligence with platform signals to enhance detection capabilities and proactively prevent abuse or harm.

• Stay current on threat actor tactics, techniques, and emerging trends relevant to social media manipulation and abuse.

• Ensure investigation activities align with privacy, legal, and ethical standards.

Basic Qualifications:

• 5+ years of experience with scripting or data analysis tools (SQL or similar) with ability to synthesize complex data into actionable insights.
   
• 5+ years of experience in proactive threat investigations of account/content/behavior abuse in trust & safety, social media, online platform or fintech.
   
• 3+ years of experience into investigation techniques/tools and digital forensics.

Preferred Skills:

• Master’s Degree in cyber security, criminal justice, computer science, or related technical disciplines.
   
• Strong technical acumen and the ability to translate data and investigative outcomes into actionable insights for Engineering and AI partners as well as senior leadership.
   
• Experience with leading proactive threat and fraud hunting against large scale threats.
   
• Experience with Python and open-source investigative techinques/tools.
   
• Excellent communication skills, with the ability to inspire and influence across all levels of the organization.
   
• Experience with working in global teams spanning multiple locations/time zones.
   
• Demonstrated ability to navigate complex cross-functional dependencies and drive collaboration across diverse teams.
   
• Experience with working or managing projects that have enterprise-wide impact and/or multi-organization cross functional stakeholders.
   
• Experience with frameworks such as MITRE ATT&CK and cyber kill chain, and ability to adapt them to social media threats.
   
• Relevant certifications such as GIAC Cyber Threat Intelligence (GCTI), Certified Threat Intelligence Analyst (CTIA), or related credentials.

Suggested Skills:

• Trust Investigations

• Coordinated/complex fraud investigations

• Platform Abuse Prevention

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