Head of Information Security

Company: Langley James Limited
Apply for the Head of Information Security
Location: London
Job Description:

Salary: £95,000 – £95,000 per year

Requirements

  • We need a strong technical background within Financial Services or a structured SOC / Penetration Testing environment.
  • We value experience with infrastructure hardening, including enterprise firewalls such as Palo Alto and Cisco, WAF/DDoS protection such as Imperva, and Microsoft gateways.
  • We value experience with threat detection and response, including email/web security gateways such as Mimecast and Menlo, SIEM/SOAR platforms, and EDR/XDR alert response using tools such as CrowdStrike and Rapid7 IDR.
  • We value experience in identity and access management, including MFA/SSO protocols using Okta and Microsoft Entra ID (Azure AD).
  • We value experience in endpoint and vulnerability management, including Microsoft Intune, vulnerability scanning and remediation using Rapid7 IVM, and security certificate management with DigiCert.
  • We value experience remediating penetration test findings and contributing to security architecture projects.
  • We need strong knowledge of GDPR and ISO27001.
  • We need exceptional communication and problem-solving skills, with the ability to interface with the wider business.
  • Relevant industry certifications are highly preferred, such as CISM, Microsoft Security, or OSCP.

Responsibilities

  • We will expect you to take technical ownership of implementing, maintaining, and hardening robust security across our global infrastructure.
  • We will expect you to manage and optimise enterprise firewalls, WAF/DDoS protection, and Microsoft gateways.
  • We will expect you to oversee email and web security gateways, SIEM/SOAR platforms, and EDR/XDR alert response.
  • We will expect you to administer MFA/SSO protocols using Okta and Microsoft Entra ID (Azure AD).
  • We will expect you to manage MDM/MAM solutions via Microsoft Intune, execute vulnerability scans and remediation, and manage security certificates.
  • We will expect you to remediate penetration test findings, contribute to ad-hoc security architecture projects, and deliver security awareness training.
  • We will expect you to act as a key technical leader, managing a Senior Security Analyst and third-party support while working with a Fractional CISO to safeguard sensitive financial data.

Technologies

  • Azure
  • Cisco
  • Support
  • Microsoft Intune
  • Network
  • Security
  • WAF
  • Web
  • Cloud

More

We are an established financial firm based near Bank station, working across all offices on data, network and security. This is a hybrid role with three days in the office and two days remote. We offer a salary of up to £95k, plus bonus and corporate benefits. This is a brilliant opportunity to join a team focused on protecting sensitive financial data and to take a key technical leadership role in our security function.

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Posted: July 13th, 2026