Senior Information Security Analyst - Banking & Finance

Are you looking for an exciting new opportunity? 

Join a leading quantitative trading firm with decades of experience developing high-performance trading technology and data-driven investment strategies. Operating across global financial markets, the organisation combines cutting-edge technology with exceptional engineering talent to identify unique market opportunities and deliver world-class trading performance.

If you would like to learn more about this opportunity, feel free to reach out and apply today!

Key Responsibilities

• Lead investigations into complex cyber security incidents across network, endpoint, email, identity and cloud environments.
• Take ownership of high-priority security events, coordinating investigations and response activities through to resolution.
• Act as a senior escalation point for the SOC, providing technical guidance and mentoring to junior analysts.
• Perform proactive threat hunting and identify opportunities to improve detection coverage.
• Develop and refine detection rules, playbooks and response processes to improve operational effectiveness.
• Work closely with Engineering, Threat Intelligence and Customer Success teams to deliver a coordinated security service.
• Produce high-quality incident reports and communicate technical findings clearly to both technical and non-technical audiences.
• Support continuous improvement initiatives across tooling, automation and operational processes.
• Contribute to knowledge sharing and help develop the technical capability of the wider team.
• Stay current with emerging threats, attacker techniques and industry best practice.

Required Skills & Experience

• 10+ years' experience in Cyber Security, with significant experience in a Security Operations Centre (SOC) or Incident Response environment.
• Strong operational instincts and the ability to make sound decisions under pressure.
• Hands-on experience across a broad range of cyber security platforms and technologies, including SIEM, EDR/XDR, email security, identity protection and cloud security solutions.
• Comfortable managing the full incident lifecycle, from initial triage through investigation, containment, eradication, recovery and post-incident review.
• Excellent analytical and problem-solving skills with a methodical approach to investigations.
• Strong communication skills with the ability to explain complex technical issues in a clear and approachable manner.
• A collaborative mindset, knowing when to lead, when to support and when to escalate.
• Experience mentoring or coaching junior analysts.
• Experience creating or improving detection logic, operational playbooks and SOC processes.

Desirable skills

• Scripting experience using Python, PowerShell or Bash.
• Experience using AI-powered tools to enhance investigations, automate workflows or improve analyst efficiency.
• Experience with threat hunting, detection engineering or purple team activities.
• Industry certifications such as GCIA, GCIH, GCFA, CISSP, Security+, Azure Security Engineer or equivalent.
• Experience working within Managed Security Services (MSSP/MDR) environments.

Salary

• Up to $200,000