Security Detection Engineer, Insider Trust

Meta; Menlo Park (CA); On-site; USD 150,000 - 230,000; Full time

Job summary

Meta is seeking a Security Engineer who designs and implements AI-driven security systems to protect Meta's products and infrastructure. The role emphasizes deep security expertise, collaboration with cross-functional teams, and ongoing AI skill development.

The candidate will prototype and implement advanced security tools, mentor engineers, and help shape security strategy across the organization.

Qualifications

• 5+ years of experience in designing and implementing security systems, tools, or frameworks
• Knowledge of attacker tactics, techniques, and procedures (e.g., MITRE ATT&CK framework)
• Proficiency in coding with languages such as Python, C/C++, Go, or equivalent
• Experience collaborating with technical and non-technical stakeholders
• Ability to rapidly prototype and iterate on security solutions
• Experience in Detection and Response Engineering, or similar Security Engineering role
• Understanding of insider threat concepts, behavioral/complex threat detection techniques and technologies
• Experience adhering to responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)
• Experience in technical security investigations and threat hunting including leveraging intelligence data to identify and investigate suspicious behavior across networks and systems
• Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies
• Experience with log analysis, and building complex automations and integrations using SIEM or SOAR platforms
• Experience analyzing network, application, and host-based security events
• Background in security-focused software engineering, and designing scalable systems and data pipelines used to detect and respond to insider threats
• Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact

Responsibilities

• Design, prototype, and implement AI-driven security systems and tools to protect Meta’s products and internal infrastructure
• Develop and maintain security-focused code, libraries, and frameworks for use by Security Engineers, Analysts, and engineering teams
• Collaborate with cross-functional partners to deliver scalable security solutions aligned with company objectives
• Rapidly experiment with and iterate on specialized security technologies, leveraging AI to address emerging threats and requirements
• Apply deep security expertise to solve complex challenges, mitigate risks, and mentor other engineers in advanced security domains

Skills

AI-driven security

Python

C/C++

Go

MITRE ATT&CK

Threat hunting

SIEM / SOAR

Log analysis

Stakeholder collaboration

Prototype & iterate

Education

B.S. or M.S. in Computer Science or related field

Tools

SIEM

SOAR

Job description

About

We are seeking a Security Engineer who specializes in designing and implementing new systems and tools to enhance the security of Meta’s products and infrastructure. This role is ideal for individuals with deep security domain expertise who are passionate about building solutions and using AI to address evolving security requirements and use cases.

Responsibilities

• Design, prototype, and implement AI-driven security systems and tools to protect Meta’s products and internal infrastructure
• Develop and maintain security-focused code, libraries, and frameworks for use by Security Engineers, Analysts, and engineering teams
• Collaborate with cross-functional partners to deliver scalable security solutions aligned with company objectives
• Rapidly experiment with and iterate on specialized security technologies, leveraging AI to address emerging threats and requirements
• Apply deep security expertise to solve complex challenges, mitigate risks, and mentor other engineers in advanced security domains

Minimum Qualifications

• B.S. or M.S. in Computer Science or related field, or equivalent experience
• 5+ years of experience in designing and implementing security systems, tools, or frameworks
• Knowledge of attacker tactics, techniques, and procedures (e.g., MITRE ATT&CK framework)
• Proficiency in coding with experience in languages such as Python, C/C++, Go, or equivalent
• Experience collaborating with technical and non-technical stakeholders
• Ability to rapidly prototype and iterate on security solutions Experience in Detection and Response Engineering, or similar Security Engineering role
• Understanding of insider threat concepts, behavioral/complex threat detection techniques and technologies
• Experience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)
• Experience in technical security investigations and threat hunting including leveraging intelligence data to proactively identify and investigate suspicious behavior across networks and systems
• Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies
• Experience with log analysis, and building complex automations and integrations using Security Information and Event Management(SIEM) or Security Orchestration, Automation and Response(SOAR) platforms
• Experience analyzing network, application, and host-based security events
• Background in security-focused software engineering, and designing scalable systems and data pipelines used to detect and respond to insider threats
• Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements)