Fractional Chief Information Security Officer (CISO)

Company: ApprovalMax
Apply for the Fractional Chief Information Security Officer (CISO)
Location: London
Job Description:

Overview

Fractional Chief Information Security Officer (CISO)

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London, UK – Employees can work remotely. Contract position as a permanent fractional engagement reporting to the CTO.

Company

ApprovalMax is redefining how finance teams manage the Money Out cycle — from purchase orders and supplier bills to employee expense management. Trusted by 18,000+ businesses worldwide, our platform automates financial controls, enables compliance, and supports scalable growth. At the end of 2024, ApprovalMax secured a £10 million growth investment from Yttrium, a leading European technology investor.

Job Description

We are seeking an experienced Fractional CISO to provide hands-on security leadership as we evolve our security function to support continued growth and European expansion. This role is a permanent fractional engagement reporting to the CTO. You will own our information security strategy, maintain ISO 27001 certification, build our security roadmap, and prepare the organization for SOC 2 readiness in 2 The role requires strategic and tactical operating ability—from policy development to reviewing cloud configurations.

Key ResponsibilitiesStrategy & Governance

  • Develop and own the Information Security strategy aligned with ApprovalMax’s business objectives and European expansion plans
  • Maintain and continuously improve the Information Security Management System (ISMS)
  • Create, review, and maintain core security policies, standards, and procedures
  • Establish and chair a cross-functional Security Working Group (Engineering, Architecture, IT, HR)
  • Build and present a multi-year security roadmap with milestones, resource requirements, and priorities
  • Serve as the central authority on risk assessment, risk treatment, and risk acceptance decisions
  • Assess and provide guidance on secure AI adoption across the organization, including AI-powered product features and internal AI tooling

Compliance & Certification

  • Maintain ISO 27001 certification and prepare for the 2027 recertification audit
  • Lead SOC 2 Type II readiness programme (target: 2026-2027), including gap analysis and control mapping
  • Ensure GDPR and data protection compliance across EU/UK/US/AU/NZ/CA/ZA
  • Collaborate with external DPO support provider on privacy matters and customer security questionnaires as needed

Cloud & Technical Security

  • Provide security oversight across Azure, AWS, and Google Workspace
  • Conduct access reviews and advise on identity and access management best practices
  • Evaluate and guide security tooling (SIEM, vulnerability management, endpoint protection)
  • Oversee VMware Workspace ONE MDM deployment and device security policies
  • Advise engineering teams on secure SDLC, DevSecOps, and application security

Operational Security

  • Develop and maintain incident response plans and procedures
  • Lead incident response tabletop exercises and post-incident reviews
  • Provide guidance on business continuity and disaster recovery planning
  • Advise on vendor security assessments and third-party risk management

Awareness & Culture

  • Design and deliver company-wide security awareness training
  • Mentor and upskill internal staff on security best practices
  • Foster a security-first culture across departments
  • Act as a trusted advisor to leadership on emerging threats and security trends

Stakeholder Engagement

  • Report to the CTO on security posture, risks, and programme progress
  • Prepare board-level security presentations as required (infrequent)
  • Support commercial teams by contributing to customer security discussions when escalated

QualificationsExperience

  • 8+ years in information security, including at least 3 years in a CISO, Head of Security, or senior leadership role
  • Experience in B2B SaaS, fintech, finance software, or similarly regulated industries
  • Proven track record of achieving and maintaining ISO 27001 certification
  • Experience xwzovoh preparing organizations for SOC 2 Type II
  • Hands-on cloud security experience (Azure and/or AWS required; GCP a plus)
  • Experience with Google Workspace security configuration and administration
  • Background working with distributed, remote-first engineering teams

Technical Knowledge

  • Cloud security architecture, identity management, and zero-trust principles
  • Secure SDLC and DevSecOps practices
  • MDM solutions (VMware Workspace ONE preferred)
  • API security and integration risk management
  • Security tooling: SIEM, vulnerability scanners, endpoint protection
  • Awareness of AI/ML security risks and governance frameworks (desirable)

Compliance & Regulatory

  • ISO 27001:2022 requirements and audit processes
  • SOC 2 Trust Service Criteria (Security, Availability, Confidentiality, Privacy)
  • GDPR, UK Data Protection Act, and international data transfers
  • Regional requirements across EU, UK, US, Australia, New Zealand, Canada, and South Africa

Additional information

  • Growing international business with 10,000+ subscribers
  • Regular performance-based compensation reviews
  • 26 days paid time off
  • 1 additional day off for your Birthday
  • Remote office assistance
  • Service years recognition financial reward

Posted: March 17th, 2026