Information Security Specialist

2 days ago


London, Greater London, United Kingdom Millennium Management Full time

Job Summary

The Information Security Specialist will be responsible for leading, implementing and managing key monitors for network security controls to ensure an appropriate security posture across the perimeter networks.

Key Responsibilities

  • Lead, implement and manage key monitors for network security controls to ensure appropriate security posture across the perimeter networks.
  • Certify and assure network security best practices are executed through auditing: router, change control, switch, firewall configurations, and monitoring.
  • Able to demonstrate clear understanding of current risks and threats to Network infrastructure and perimeter at technical and managerial levels.
  • Provide security consultancy and engineering support for the Security Operations Infosec team.
  • Implement automation where possible for perimeter security technologies to remediate vulnerabilities, identify gaps, or create alerts and reporting.
  • Liaison with key stakeholders to create and enforce Network Security policies including Technology organization, Trading units, Legal, Internal Audit, and Compliance.
  • Leverage collected Intelligence to improve success in defending Millennium against and responding to future attacks or intrusions.
  • Perform periodic and on-demand system audits and vulnerability assessments to identify security vulnerabilities.
  • Manage remediation efforts for any gaps reported in audits, penetration tests or recommended process improvements.
  • Provide support to ensure smooth turnover from Engineering to Production - and provide mentoring to junior level security professionals.
  • Develop and maintain documentation of Security products including specific tools, technologies and processes.
  • Participate in Information Security Incident Response activities for the Firm's environment.


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