Senior InfoSec Engineer - Microsoft Stack (Hybrid)

Client Server; Greater London; On-site; GBP 100,000 - 110,000; Full time

Benefits offered by this job

Pension

Life Assurance

Income Protection

Tax free childcare

Job summary

Client Server is seeking a Senior Information Security Engineer in London with deep Microsoft security expertise. You will own protective and detective controls across endpoints, networks, identities and data, working closely with the SOC and internal teams to mature security capabilities.

You will drive access reviews, IAM processes and data security initiatives while leveraging Defender, Entra IAM and Purview to implement scalable, auditable security services.

Qualifications

• Proven security engineering and operations experience in a Microsoft environment.
• Hands-on with Defender, Entra IAM, Endpoint Security and data protection.
• Experience with SOC or managed security providers is desirable.

Responsibilities

• Own and operate core protective and detective security controls.
• Collaborate with SOC, Infrastructure and security teams to strengthen posture.
• Automate and improve identity, access management and review cycles.
• Develop data security policies and auditable services.
• Lead security tooling improvements and security maturity initiatives.
• Work across Microsoft security ecosystem to defend endpoints and identities.

Skills

Security engineering

Security operations

Incident response

Access reviews

Access management

Data security

IAM/IAM governance

Collaboration

Tools

Microsoft Defender

Microsoft Entra IAM

Purview

Endpoint Security

Job description

Client Server is seeking a Senior Information Security Engineer in London with deep Microsoft security expertise. You will own protective and detective controls across endpoints, networks, identities and data, working closely with the SOC and internal teams to mature security capabilities.

You will drive access reviews, IAM processes and data security initiatives while leveraging Defender, Entra IAM and Purview to implement scalable, auditable security services.