Security Engineer for Advanced Threat Detection

3 days ago


London, Greater London, United Kingdom Optum Full time

Job Description

We are looking for a highly skilled Senior Cyber Threat Detection Engineer to join our team at Optum in the United Kingdom. As a member of our team, you will play a critical role in developing and implementing detection rules in Google SecOps (Chronicle) using Yara-L language to ensure high-fidelity alerts and minimal false positives.

About the Team

Our team is dedicated to advancing health equity on a global scale. We are a dynamic and diverse group of talented individuals who are passionate about delivering care, aided by technology to help millions of people live healthier lives.

Key Responsibilities

  • Develop and implement detection rules in Google SecOps (Chronicle) using Yara-L language to ensure high-fidelity alerts and minimal false positives.
  • Conduct proactive threat hunting to identify malicious activities leveraging advanced analytics and threat intelligence.
  • Coordinate and lead incident response activities, including containment, root cause analysis, eradication, and recovery.

Requirements

To be successful in this role, you will need:

  • Extensive experience in writing and optimizing detection queries in Yara-L language for Google SecOps (Chronicle).
  • Experience working in a Security Operations Center (SOC) or Security Incident Response environment.
  • Strong experience writing detection queries in additional languages (e.g., KQL for Microsoft Defender, SPL for Splunk).
  • Experience working with SIEM log analysis, monitoring, and investigation.
  • Knowledge of EDR, email security, and SaaS application security.
  • Strong understanding of log sources (network, host, application).
  • Strong analytical and problem-solving capabilities to identify and mitigate security risks.

What We Offer

As a Senior Cyber Threat Detection Engineer at Optum, you will enjoy a competitive salary of £85,000 per annum, comprehensive benefits, and career development opportunities. You will also have the chance to work with a dynamic and diverse team of talented individuals who are passionate about advancing health equity on a global scale.



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