Senior Trust and Safety Investigator

Sr. Trust and Safety Investigator

Singapore, Singapore

Full-time

Company Description

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.

Job Description

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.

Qualifications

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