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

Minimum 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

Preferred Qualifications

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