Senior Security Analyst

1 month ago

London, Greater London, United Kingdom Chaucer Group Full time

Job Title: Senior Security Analyst

Job Summary

We are seeking a highly skilled and strategic Senior Security Analyst to join our team at Chaucer Group, a leading insurance group at Lloyd's. As a key member of our security team, you will play a critical role in designing and enhancing our Security Information and Event Management (SIEM) capabilities and security monitoring processes.

In this role, you will lead efforts to monitor and analyze security events and alerts generated by our Security Operations Centre (SOC), assess their severity, and determine the appropriate response. You will also actively monitor threat intelligence sources for emerging threats, provide expert security guidance on project teams, and manage vulnerability scanning tools to maintain and strengthen our organization's security posture.

This role offers the opportunity to drive the continuous improvement of our threat detection and response capabilities, with a strong emphasis on refining security practices. Expertise in querying languages for SIEM policy development and advanced triage is highly desired for this position.

Key Responsibilities

  1. Oversee security events and alerts generated by the Security Operations Centre (SOC).
  2. Perform initial analysis to determine the severity of security events.
  3. Triage confirmed security events and alerts, in coordination with Tier 2 and Tier 3 network and infrastructure engineers, following documented procedures.
  4. Monitor and research threat and vulnerability news streams for relevant cybersecurity intel that may have an impact on the enterprise.

Requirements

  1. Relevant experience working in a Security Operations Centre.
  2. Relevant experience working with Crowdstrike, Microsoft Defender, or Sentinel One.
  3. Relevant experience monitoring and operating a SIEM/SOAR Platform.
  4. Relevant previous experience with SIEM Splunk / LogScale / Humio querying language.
  5. Previous experience with Tenable Security products or similar Vulnerability scanning solutions for identifying network and operating system risks and misconfigurations is desirable.
  6. Expert understanding of all Windows operating systems (server and desktop) required.
  7. Understanding of cloud environments (such as AWS, Azure, Google Cloud) and their security controls.
  8. Understanding of high-level log analytics (firewall logs, network logs, authentication logs, system logs, debug logs).
  9. Understanding of security and network incident response protocols.
  10. Highly desired proficiency in automation and scripting languages (such as Python and PowerShell) to streamline repetitive tasks and effectively analyze security data.
  11. Fluent in English, written and spoken.

About Us

Chaucer Group is a leading insurance group at Lloyd's, the world's specialist insurance market. We help protect industries around the world from the risks they face. Our customers include major airlines, energy companies, shipping groups, global manufacturers, and property groups.

Our headquarters are in London, and we have international offices in Bermuda, Copenhagen, Dubai, and Singapore to be closer to our clients across the world. To learn more about us, please visit our website.

Chaucer Group is committed to diversity, actively values difference, and respects people regardless of the protected characteristics outlined in the Equality Act 2010 (UK legislation) as a result of the Equal Treatment Directive 2006 (EU legislation). We recruit from the widest available pool of talent, and our hiring, assessment, and selection process is fair, free from bias, and one that ensures we select the right person for the job, based on merit.

We are open to considering flexible working arrangements for all roles and encourage you to outline your needs during the interview process.

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