Senior Security Operations & Assurance Analyst - London

Brookfield Asset Manager (UK) Holdco Limited; Greater London; On-site; GBP 85,000 - 120,000; Full time

Job summary

Brookfield Asset Management is seeking a Senior Security Analyst - Security Operations & Assurance to support day-to-day security operations and respond to evolving priorities. You will investigate complex alerts, lead incidents, and provide hands-on administration across Zscaler, Microsoft security tools, and identity controls.

The role requires strong judgment, independent work, and collaboration with Legal, Privacy, and Compliance teams while contributing to risk reduction and security

Qualifications

• Five+ years of progressive information security and security operations experience.
• Hands-on experience investigating security alerts and incidents.
• Experience administering enterprise security tools and changes.
• Familiarity with vulnerability management and AI-security considerations.

Responsibilities

• Investigate and respond to security alerts from monitoring platforms; document findings.
• Lead security incidents and service requests in ServiceNow with clear communication.
• Administer Zscaler, Defender XDR, and email security controls; enforce policies.
• Review logs, perform containment, and coordinate remediation with stakeholders.
• Support phishing simulations, security awareness, and vendor risk assessments.
• Assist with legal holds, eDiscovery, and compliance-related security tasks.

Skills

InfoSec experience

Incident response

Security operations

Threat detection

Education

Post-secondary education in cybersecurity/IT/CS

Tools

ServiceNow

Zscaler

Microsoft Defender XDR

PowerShell

Job description

Brookfield Asset Management is seeking a Senior Security Analyst - Security Operations & Assurance to support day-to-day security operations and respond to evolving priorities. You will investigate complex alerts, lead incidents, and provide hands-on administration across Zscaler, Microsoft security tools, and identity controls.

The role requires strong judgment, independent work, and collaboration with Legal, Privacy, and Compliance teams while contributing to risk reduction and security