Senior Attack Monitoring Analyst, GSOC

About the role

The London Stock Exchange Group (LSEG) is looking for an experienced, dedicated and driven Senior Attack Monitoring Analyst to join its Global Security Operations Centre (GSOC). LSEG Security Operations monitors and responds to cyber security incidents using people, process and technology, and this role identifies and responds to incidents while improving the GSOC's defensive capabilities. It is a Senior Associate position.

Key responsibilities

• Triage security events and respond to incidents methodically, using playbooks where needed.
• Operate a chosen SIEM (e.g. Splunk, QRadar, LogRhythm) for incident investigations or for building monitoring dashboards.
• Use playbooks, existing knowledge and online resources to respond to incidents.
• Research and collect threat intelligence to improve detection of cyber-attacks.
• Develop or improve run books and use cases based on investigations and knowledge of modern attacks.
• Stay up to date with vulnerabilities, attacks and countermeasures.
• Identify, respond to and remediate cyber events detected by monitoring technologies.

Required profile

• Preferred experience operating or administering a SIEM (Splunk, QRadar, LogRhythm).
• Solid understanding of networks, including the TCP/IP stack, organisation architectures and protocols abused by malware.
• Experience in security event analysis and triage, incident handling and root-cause identification.
• Knowledge of attacker tools, techniques and procedures, ideally from direct experience.
• Cyber security knowledge, academic or corporate.
• Ability to stay calm in a fast-paced, demanding environment, with strong verbal and written communication and collaboration skills.
• Security industry accreditations such as OSCP, GIAC or CCNA, and a SIEM certification.

Required skills

• Proficiency in one or more programming languages (e.g. Python, PowerShell, Java, C#)
• SIEM operation (Splunk, QRadar, LogRhythm)