Detection & Response Security Engineer, Threat Intelligence

Meta Security is looking for a threat intelligence investigator with extensive experience in investigating cyber threats with an intelligence-driven approach. You will be proactively responding to a broad set of security threats, as well as tracking actor groups with an interest or capability to target Meta and its employees. You will also be identifying the gaps in current detections and preventions by long-term intelligence tracking and research, and working with cross-functional stakeholders to improve Meta’s security posture.

Responsibilities

Track threat clusters posing threats to Meta’s infrastructure and employees, and identify, develop and implement countermeasures on our corporate network
Investigate, mitigate, and forecast emerging technical trends and communicate effectively with actionable suggestions to different types of audiences
Work closely with incident responders to provide useful and timely intelligence to enrich ongoing investigations
Improve the tooling of threat cluster tracking and intelligence data integration to existing systems
Engage constructively in cross-functional projects to improve the security posture of Meta’s infrastructure, such as red team operations, surface detection coverage expansion and vulnerability management discussions

Qualifications

3+ years threat intelligence experience
Bachelor's degree in Computer Science, Information Security, or relevant field (or equivalent experience)
Familiarity with campaign tracking techniques and ability to convert the tracking results to long term countermeasures
Familiarity with threat modeling framework, such as Diamond Model and/or MITRE ATT&CK framework
Experience intelligence-driven hunting to spot suspicious activities in the network and identify potential risks
Proven track record of managing and executing on short term and long term projects
Ability to work with a team spanning multiple locations/time zones
Ability to prioritize and execute tasks with minimal direction or oversight
Ability to think critically and qualify assessments with solid communications skills
Coding or scripting experience in one or more scripting languages such as Python or PHP Familiarity with malware analysis or network traffic analysis
Experience authoring production code for threat intelligence tooling
Experience conducting large scale data analysis
Experience in one or more query languages such as SQL
Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies
Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements)
Experience working across the broader security community
Experience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)
Production of file-based or network-based rules and signatures for detection and tracking of complex threats, such as YARA or Snort
Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements)
Experience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)
Experience closely collaborating with incident responders on incident investigations
Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies
Familiarity with nation-state, sophisticated criminal, or supply chain threats