Detection & Response Security Engineer, Threat Intelligence

Meta; City of Westminster; On-site; GBP 70,000 - 110,000; Full time

Job summary

Meta is seeking a threat intelligence investigator to proactively respond to cyber threats targeting Meta and its employees. You will track threat actor groups, identify gaps in detections, and collaborate with cross-functional teams to strengthen security posture.

You will develop intelligence-driven countermeasures, forecast trends, and contribute to long-term security improvements across Meta's infrastructure and incident response efforts.

Qualifications

• 3+ years threat intelligence experience.
• Experience with campaign tracking techniques in intel.
• Familiarity with MITRE ATT&CK framework.
• Ability to communicate with diverse audiences.
• Experience building threat intelligence tooling.
• Scripting in Python or PHP.

Responsibilities

• Track threat clusters and implement countermeasures.
• Investigate, mitigate, and forecast emerging trends.
• Work with incident responders to enrich investigations.
• Improve tooling for threat intelligence data integration.
• Collaborate on cross-functional security projects.

Skills

Threat intelligence

Incident response collaboration

Analytical thinking

Python scripting

AI tooling integration

Cross-functional teamwork

Threat modeling

Communication skills

Tools

SQL

YARA

Snort

Malware analysis

Threat intel tooling

Job description

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.

Detection & Response Security Engineer, Threat Intelligence Responsibilities

1. Track threat clusters posing threats to Meta's infrastructure and employees, and identify, develop and implement countermeasures on our corporate network
2. Investigate, mitigate, and forecast emerging technical trends and communicate effectively with actionable suggestions to different types of audiences
3. Work closely with incident responders to provide useful and timely intelligence to enrich ongoing investigations
4. Improve the tooling of threat cluster tracking and intelligence data integration to existing systems
5. 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
6. 3+ years threat intelligence experience
7. Familiarity with campaign tracking techniques and ability to convert the tracking results to long term countermeasures
8. Familiarity with threat modeling framework, such as Diamond Model and/or MITRE ATT&CK framework
9. Experience intelligence-driven hunting to spot suspicious activities in the network and identify potential risks
10. Proven track record of managing and executing on short term and long term projects
11. Ability to work with a team spanning multiple locations/time zones
12. Ability to prioritize and execute tasks with minimal direction or oversight
13. Ability to think critically and qualify assessments with solid communications skills
14. Coding or scripting experience in one or more scripting languages such as Python or PHP,
15. Familiarity with malware analysis or network traffic analysis
16. Experience authoring production code for threat intelligence tooling
17. Experience conducting large scale data analysis
18. Experience in one or more query languages such as SQL
19. Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies
20. Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements)
21. Experience working across the broader security community
22. Experience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)
23. Production of file-based or network-based rules and signatures for detection and tracking of complex threats, such as YARA or Snort
24. Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements)
25. Experience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)
26. Experience closely collaborating with incident responders on incident investigations
27. Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies
28. Familiarity with nation-state, sophisticated criminal, or supply chain threats