Meta · 1 day ago
Security Engineer, Investigator - i3E Account Threats & Scams
Meta is a technology company dedicated to connecting people and building communities. They are seeking an experienced security engineer to protect users from account security issues by solving complex problems, detecting scams, and investigating threats.
Computer Software
Responsibilities
Hunt for threats and undetected abuse by leveraging internal data, open source intelligence, and third-party private intelligence
Investigate complex account security abuses to understand in granular detail how abuse is occurring. Identify and implement appropriate detection or prevention strategies to mitigate harm both in the current case and from similar forward-looking abuse
Apply subject matter knowledge of adversary tactics, techniques, procedures, and tools to identify and mitigate threats
Build signatures (e.g. file, network) to detect, hunt, and prevent malware compromise
Lead technical investigations from start-to-finish, to include effectively communicating actionable results, analytic judgments, and mitigations to different audience types across cross-functional settings
Identify trends in adversary behavior, and proactive surfacing of risks that may represent previously unidentified or novel vectors for harm. Understand how abuse manifests and clearly explain emerging threats and trends, with an emphasis on security understanding
Analyze and interpret complex, high volume, and high dimensionality data from varying sources to advance investigations, quantify trends, or support findings
Lead identifying, prototyping, and teaching novel investigative techniques
Partner with other cross-functional teams to identify, influence, and implement holistic solutions to surfacing and responding to emerging threats
Manage multiple projects at once while effectively prioritizing time, based on team priorities
Use AI to advance investigations and automate the everyday tasks and actions conducted during investigations and team processes
Qualification
Required
5+ years work experience in a cyber security, security investigations, or cyber threat intelligence investigations role
Adept at building queries to analyze and interpret large datasets to advance investigations, quantify trends or support findings
Experience investigating and acting on high-impact threats such as account compromise, account automation tooling, account creation abuse, business compromise, scams, phishing attacks or malware analysis
Proficiency working with Python, PHP, or similar scripting languages
Experience thinking critically and qualifying assessments with solid communications skills in a cross-functional setting to influence decision makers across all levels of technical background
Experience identifying effective strategies to prevent or disrupt abuse at scale. Consult on the design of countermeasures to affect those strategies
Preferred
Experience with advanced use or building of AI tooling (LLMs, embeddings, fine-tuning, RAG, agentic workflows) to augment investigative workflows
Benefits
Bonus
Equity
Benefits
Company
Meta
Meta's mission is to build the future of human connection and the technology that makes it possible.
Funding
Current Stage
Late StageRecent News
Crunchbase News
2025-11-17
2025-11-16
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