Senior Security Operations Analyst

Brookfield Asset Management, Inc.; City Of London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Brookfield Asset Management, Inc. is seeking a Senior Security Analyst in London to lead security operations and incident response across diverse platforms.

You will manage alerts, coordinate investigations, and implement security controls across Zscaler, Microsoft security suites, and AI security initiatives. The role requires strong collaboration with Technology Services, hands-on expertise, and the ability to drive improvements in vulnerability management, phishing awareness, and governance.

Qualifications

• Five or more years in information security, security operations, or similar.
• Hands-on with investigating security alerts and incidents.
• Experience administering security technologies and policy changes.
• Experience with Zscaler, Defender XDR, Sentinel, Entra ID, Purview.
• Experience operating vulnerability management programs.
• Experience supporting email security, identity controls, or access reviews.
• On-call experience and incident escalation.

Responsibilities

• Investigate and respond to security alerts from Microsoft tools and endpoints.
• Manage incidents and service requests in ServiceNow with clear communications.
• Administer Zscaler and email-security controls; review logs.
• Tune policies and perform phishing simulations and awareness.
• Coordinate vulnerability remediation and dashboards.
• Support AI security adoption and risk assessments.
• Maintain access controls and least-privilege configurations.
• Prepare runbooks and security metrics.

Skills

Security operations

Incident response

Vulnerability management

Documentation

On-call readiness

Cross-functional coordination

AI security awareness

Education

Bachelor's degree in IT or related field

Tools

Zscaler Internet Access

Zscaler Private Access

Zscaler Client Connector

Microsoft Defender XDR

Microsoft Sentinel

Microsoft Entra ID

Microsoft Purview

Exchange Online security

Microsoft 365 security controls

PowerShell / Python / APIs

Job description

Brookfield Asset Management, Inc. is seeking a Senior Security Analyst in London to lead security operations and incident response across diverse platforms.

You will manage alerts, coordinate investigations, and implement security controls across Zscaler, Microsoft security suites, and AI security initiatives. The role requires strong collaboration with Technology Services, hands-on expertise, and the ability to drive improvements in vulnerability management, phishing awareness, and governance.