Security Engineer – On-Site London (Microsoft Security Expert)

InvitISE; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

InvitISE is seeking a Security Engineer for a leading UK Asset Management firm in central London. This permanent, on-site role pays £60,000–£80,000 per year plus a 15% bonus and benefits (£92,000 OTE).

You will join a small, globally distributed security team, working across time zones to keep the organisation secure day to day. Expect to validate MSP escalations, approve security changes, and own the Microsoft security tooling in-house.

Qualifications

• Proven experience with Microsoft security tooling and security operations.
• Experience in vulnerability management and email security.
• Hands-on scripting in PowerShell and Python.
• Active CISSP or near-term pursuit and security certifications desirable.

Responsibilities

• Validate and action escalations from MSP and manage incidents.
• Approve security changes and incident response.
• Own in-house Microsoft security tooling and monitoring.
• Balance 70% BAU tasks with 30% security projects.
• Collaborate across a global security team across time zones.

Skills

Microsoft security tooling

Vulnerability management

Email security

PowerShell scripting

Python scripting

Security incident response

CISSP

Security certifications (Security+, SC

Tools

Entra

Defender

Sentinel

Purview

M365 Security

Zscaler

Palo Alto Firewalls

ServiceNow reporting

Job description

InvitISE is seeking a Security Engineer for a leading UK Asset Management firm in central London. This permanent, on-site role pays £60,000–£80,000 per year plus a 15% bonus and benefits (£92,000 OTE).

You will join a small, globally distributed security team, working across time zones to keep the organisation secure day to day. Expect to validate MSP escalations, approve security changes, and own the Microsoft security tooling in-house.