Senior Information Security Engineer

Company: Client Server
Apply for the Senior Information Security Engineer
Location: London
Job Description:

Overview

In this role you will own and operate core security controls across endpoint, network, identity, and data security within a lean, scale-up fintech. You’ll work closely with the CISO and cross-functional teams to shape security strategy and maturity, leveraging AI-enabled security initiatives. The focus is on delivering sustainable, auditable services and strengthening the overall security posture as you enable secure money transfers to underserved regions.

Pay / Benefits

  • Salary to 110k
  • Pension
  • Private healthcare
  • Life Assurance
  • Income Protection
  • Tax free childcare

Responsibilities

  • Own and operate security controls across endpoint, network, identity and data security
  • Work across the Microsoft security ecosystem (Defender, Entra, IAM)
  • Manage and improve endpoint security and email security
  • Own Microsoft Entra access management and access review cycles
  • Automate and improve identity and access management processes
  • Develop the organisation’s approach to data security
  • Act as bridge between SOC and Infrastructure/Security teams
  • Enhance security tooling, processes and operational maturity
  • Collaborate with Infrastructure and wider technology teams to strengthen security posture

Key requirements

  • Strong Microsoft security engineering/operations experience (Defender, Entra/IAM, Endpoint Security)
  • Experience with Security Operations/Incident Response
  • Experience with outsourced SOC or managed security provider
  • Technically strong, pragmatic, and willing to learn and take ownership
  • Collaborative and excellent communicator
  • collaborative
  • pragmatic
  • excellent communication
  • Microsoft Defender
  • Microsoft Entra / IAM
  • Endpoint Security

Posted: September 14th, 2026