10 of 10 Head of Security Jobs in the City of London

Head of Security Operations Hybrid 3x per week in the office Our client a global insurance business are looking for a Head of Security to join them on a permanent basis. You will help to establish and lead local security operations capability across European offices, providing strategic technical leadership in incident response, cyber … threat visibility, and security resilience. This role will bridge the gap between our centralized corporate security services and regional business needs. Key Responsibilities Incident Response & Security Operations Lead and mature security incident response capabilities across the organisation Oversee incident investigations, alert triage, and threat hunting activities Develop and execute tabletop exercises and incident response playbooks Provide … expert technical guidance during security incidents and recovery efforts Build real-time visibility into organisational cyber telemetry and security posture Leadership & Team Management Line manage and mentor a security engineer and future team members Strategic & Stakeholder Engagement Partner with third-party security service providers and managed services Align regional security operations with global CISO strategy More ❯

Head of Security Operations Hybrid 3x per week in the office Our client a global insurance business are looking for a Head of Security to join them on a permanent basis. You will help to establish and lead local security operations capability across European offices, providing strategic technical leadership in incident response, cyber … threat visibility, and security resilience. This role will bridge the gap between our centralized corporate security services and regional business needs. Key Responsibilities Incident Response & Security Operations Lead and mature security incident response capabilities across the organisation Oversee incident investigations, alert triage, and threat hunting activities Develop and execute tabletop exercises and incident response playbooks Provide … expert technical guidance during security incidents and recovery efforts Build real-time visibility into organisational cyber telemetry and security posture Leadership & Team Management Line manage and mentor a security engineer and future team members Strategic & Stakeholder Engagement Partner with third-party security service providers and managed services Align regional security operations with global CISO strategy More ❯

Role: Head of Information and Cyber Security Location: Hybrid 1 day per week in London (flexible) Salary : £80,000 - £84,000 + benefits Overview This is a pivotal leadership role in shaping and strengthening the cybersecurity landscape of a values-driven, non-profit organisation. The organisation is recognised as a top 100 Employer, historically named as … one of the most inclusive employers in the UK. The Head of Information and Cyber Security will design, develop, and coordinate all aspects of the Information Security strategy, encompassing governance and risk management, incident response, and disaster recovery. The Head of Information and Cyber Security will manage a multitude of … third-party partnerships from the SOC, to vulnerability management, to patching, and network and firewall operations. The organisation has made significant strides in recent years, establishing its first dedicated security function and partnering with a managed SOC provider. The next phase is about refinement: enhancing capability, strengthening partnerships, and driving strategy. The Role Reporting to the Director of More ❯

Role: Head of Information and Cyber Security Location: Hybrid 1 day per week in London (flexible) Salary : £80,000 - £84,000 + benefits Overview This is a pivotal leadership role in shaping and strengthening the cybersecurity landscape of a values-driven, non-profit organisation. The organisation is recognised as a top 100 Employer, historically named as … one of the most inclusive employers in the UK. The Head of Information and Cyber Security will design, develop, and coordinate all aspects of the Information Security strategy, encompassing governance and risk management, incident response, and disaster recovery. The Head of Information and Cyber Security will manage a multitude of … third-party partnerships from the SOC, to vulnerability management, to patching, and network and firewall operations. The organisation has made significant strides in recent years, establishing its first dedicated security function and partnering with a managed SOC provider. The next phase is about refinement: enhancing capability, strengthening partnerships, and driving strategy. The Role Reporting to the Director of More ❯

We are seeking an experienced Head of Custody Security to lead our efforts in ensuring robust security for digital asset custody and blockchain infrastructure. This role will focus on designing and implementing security controls, supporting client assurance, and ensuring compliance with regulatory standards. The ideal candidate is a strategic thinker with deep expertise in security assurance, audit, and cloud security, and a passion for advancing Web3 and blockchain technologies. Key Responsibilities Design, conduct, and implement testing of security controls for identity management, key management, and infrastructure (network and cloud) configurations. Support client assurance by preparing responses to Requests for Proposals (RFPs), Requests for Information (RFIs), and Due Diligence Questionnaires (DDQs). … Analyze trends in client inquiries and provide actionable feedback to internal teams to enhance documentation and control readiness. Perform security due diligence and ongoing monitoring of Web3/blockchain vendors, including assessing control maturity, reviewing SOC reports, and identifying residual risks. Facilitate external audit activities, coordinating walkthroughs, evidence collection, and response tracking. Identify and analyze gaps in current More ❯

We are seeking an experienced Head of Custody Security to lead our efforts in ensuring robust security for digital asset custody and blockchain infrastructure. This role will focus on designing and implementing security controls, supporting client assurance, and ensuring compliance with regulatory standards. The ideal candidate is a strategic thinker with deep expertise in security assurance, audit, and cloud security, and a passion for advancing Web3 and blockchain technologies. Key Responsibilities Design, conduct, and implement testing of security controls for identity management, key management, and infrastructure (network and cloud) configurations. Support client assurance by preparing responses to Requests for Proposals (RFPs), Requests for Information (RFIs), and Due Diligence Questionnaires (DDQs). … Analyze trends in client inquiries and provide actionable feedback to internal teams to enhance documentation and control readiness. Perform security due diligence and ongoing monitoring of Web3/blockchain vendors, including assessing control maturity, reviewing SOC reports, and identifying residual risks. Facilitate external audit activities, coordinating walkthroughs, evidence collection, and response tracking. Identify and analyze gaps in current More ❯

Head of Security Operations Center (SOC) (Interim) | Capital Markets | Central London (On-site) Robert Half International (an S&P 500 global staffing provider) is supporting a global consulting firm in sourcing an experienced Head of Security Operations Center to join a leading capital markets client during a key period of transition. The role … focuses on maintaining and enhancing the client’s existing Security Operations Centre, managing the external SOC provider, and ensuring continuity of operations while a permanent structure is established. Assignment Details Initial Duration: 3–6 months (with potential extension) to start ASAP by w/c 24 November Location: On-site minimum 3 days per week in Central London … deducted at source, unlike umbrella companies and no umbrella company admin fees) Role Overview You’ll be operating within a compact, high-performing capital markets environment , taking full ownership of the SOC function and acting as the internal escalation point for all incident response and forensic activity. Reporting to the Deputy CISO, this role is ideal for a hands More ❯

Head of Information Security - FinTech - £100K+ Our client is one of the country’s fastest growing FinTechs. Based in central London, hybrid working, they’re looking for a Head of InfoSec to join them, champion security and take the lead across DevSecOps, application security, ops and governance. You’ll have the chance … to own security for the company and drive it forwards, leading a team of exceptional engineers. You’ll be able to drive AppSec and secure development practices, overseeing SOC and lead GRC and Risk Management along with IT Ops and Platform teams. This is an incredible opportunity to head up InfoSec for a growing, cutting-edge FinTech … Not something to miss! Requirements: Great AppSec experience and experience owning an Application Security program Strong knowledge of running Security Operations, monitoring, incident response etc Excellent GRC knowledge – GDPR, ISO etc Proven communication skills Experience of leadership around risk Track record of building a team and developing people Strong knowledge of modern IT tools More ❯

SThree are pleased to announce we’re recruiting for a talented Head of IT Infrastructure, Operations and Security to join our team based in our fantastic office space located in London. As Head of IT Infrastructure, Operations & Security , you will lead the infrastructure and operations teams, taking full responsibility for the organisation’s core … technology services—including infrastructure, digital workplace, and IT security. You will ensure the secure design, management, maintenance, and performance of key systems such as networks, datacentres, cloud platforms, servers, and end-user devices. Working closely with business and IT leadership, you will define and deliver the strategic roadmap and high-level design for all infrastructure, digital workplace, and security … STEM sectors, helping them to Outpace tomorrow, together. What are the day-to-day tasks? Strategies and Operational control : Develops strategies for managing the cloud infrastructure, Digital Workplace and Security Operations, providing technical leadership to optimise the performance and cost base of the services Monitoring and reporting : Ensures that operational issues are identified, recorded, monitored and resolved. Provides More ❯

SThree are pleased to announce we’re recruiting for a talented Head of IT Infrastructure, Operations and Security to join our team based in our fantastic office space located in London. As Head of IT Infrastructure, Operations & Security , you will lead the infrastructure and operations teams, taking full responsibility for the organisation’s core … technology services—including infrastructure, digital workplace, and IT security. You will ensure the secure design, management, maintenance, and performance of key systems such as networks, datacentres, cloud platforms, servers, and end-user devices. Working closely with business and IT leadership, you will define and deliver the strategic roadmap and high-level design for all infrastructure, digital workplace, and security … STEM sectors, helping them to Outpace tomorrow, together. What are the day-to-day tasks? Strategies and Operational control : Develops strategies for managing the cloud infrastructure, Digital Workplace and Security Operations, providing technical leadership to optimise the performance and cost base of the services Monitoring and reporting : Ensures that operational issues are identified, recorded, monitored and resolved. Provides More ❯