Vice President – Senior Threat Hunter

Job information:

• Functional title – Senior Threat Hunter
• Department – IT Security
• Corporate level – Vice President 
• Report to – Executive Director
• Location - London, onsite 2 days per week

Job purpose:

CLS is seeking a highly motivated, and skilled Senior Threat Hunter to join a global threat management team. The role will be located in London. The position will report to the Head of Cyber Threat Intelligence and will proactively identify, investigate, and mitigate advanced cyber threats across our organization’s network and systems. Leveraging a deep understanding of the latest attack techniques, threat actor tactics, and security tools, you will help safeguard our infrastructure and ensure the resilience of our networks. The ideal candidate will be aware of industry trends and frameworks and how they could impact our business. This role will also be responsible for mentoring others on the team.

This position requires someone with an analytical mind, a quick learner, and the ability to create and deliver briefings, propose, and execute program initiative’s/improvements, and collaborate with a wide range of key stakeholders.

Key responsibilities include:

• Lead proactive efforts to identify and mitigate sophisticated cyber threats, leveraging a variety of tools, techniques, and data sources
• Research, document, and develop Use Cases and Hypotheses for proactive hunting in cyber security tools including SIEM, EDR, and IDS/IPS (extract TTPs and behaviours from research to apply to logging and tool queries/hunts and detections)
• Research, document and develop threat detections based on behavioural attributes of actors, malware operators, and general threats
• Identify and execute tuning/configuration changes to improve detection or reporting capabilities 
• Perform deep analysis of alerts, network traffic, and security data to detect anomalous activity, indicators of compromise, and advanced persistent threats (APTs)
• Collaborate with the Security Operations team to investigate and respond to active incidents as needed
• Translate threat intelligence into actionable threat hunting hypotheses
• Maintain clear documentation of threat hunting activities, findings, and lessons learned.
• Produce reports for both executive and technical stakeholders and be able to brief all stakeholders.
• Develop and maintain threat models for key assets within the ecosystem
• Map existing controls to MITRE ATT&CK TTPs and assist with developing new mitigations
• Actively support external intelligence sharing engagements with other financial institutions and government partners

Knowledge, skills and abilities:

• 6-10+ years of direct threat hunting experience
• 5+ years of progressive experience in information security (cyber security) field, preferable in Threat Intelligence, Security Operations or Incident Response roles
• Understanding of intelligence lifecycle and risk management
• Knowledge of fundamentals of threat actors’ TTPs
• Familiarity with MITRE ATT&CK framework and mapping
• Experience with threat intelligence platforms and analysing indicators of compromise, TTPs, and adversary behaviour
• Knowledge of TCP/IP, network protocols, and deep packet inspection
• Threat Modelling expertise
• Excellent interpersonal and relationship management skills
• Individual contributor whilst also contributing to a small team
• Self-motivated with ability to work with minimal supervision

Qualifications and certifications:

• Bachelor’s Degree in Cybersecurity studies, Computer Science, Intelligence Studies, International Relations, or related discipline
• Security certification such as SANS GIAC (or equivalent) ideally GCFA, GNFA or working towards certification (or equivalent)
• Experience with threat intelligence and SOC/CIRT interaction
• Splunk experience is highly preferred
• Scripting or automation knowledge, especially Python experience is highly preferred
• Experience with SIEM, EDR solutions, network monitoring tools, and other cyber security tools
• Experience with threat intelligence vendors
• Ability to work on-site at least twice a week in London and/or participate in local intelligence sharing groups
• Financial sector experience