Windows Security Engineer

Europe, United Kingdom, London, Republic of Ireland, Dublin
Job ID: 2044

Job Description

[c. £150-250k Comp Package (or equivalent), Flexible Working Options]

Our client, a leading trading firm, is seeking an elite Windows Security Engineer to enhance their information security program. The successful candidate will be a subject matter expert driving security solutions, toolsets, and processes to protect critical systems and data.

Key Responsibilities:

  • Provide advanced Windows security engineering and architecture assurance
  • Maintain security infrastructure tools and ensure policy compliance
  • Support delivery of comprehensive information security programs
  • Assess and implement new security technologies and methodologies
  • Lead monitoring for internal control systems
  • Participate in incident response activities as required
  • Perform security audits and vulnerability assessments
  • Monitor compliance to security policies across the organisation
  • Collaborate with IT, legal, HR, and other groups on vulnerabilities
  • Mentor junior security professionals and ensure smooth project transitions

Key Requirements:

  • 5-7 years of experience in technical roles, with a background in infrastructure and security
  • Expertise in building Windows security solutions, such as auditing and encryption
  • Solid understanding of SAML, OIDC, and Kerberos authentication, as well as related technology controls and best practices
  • Experience with Azure authentication and configuration
  • Proficiency in scripting with PowerShell and Python, primarily for troubleshooting
  • Ability to understand code in C#/.NET and strong scripting experience in PowerShell
  • Familiarity with IAM, Microsoft Services, PingFederate, Entra ID, Azure, and Windows OS
  • Knowledge of SIEM, malware protection, and vulnerability management
  • (Desired) DLP implementation experience across network, email, and endpoints
  • (Desired) Relevant security certification, such as CISSP

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