Senior Software Security Engineer (£98k-£115k + Equity) at Harmonic Security Inc.

Added 03/09/2026

We are looking for a Senior Software Security Engineer to help build secure, resilient products in a fast-moving technology environment. This is a hands-on role for an experienced engineer who can combine strong software development skills with a deep understanding of application and cloud security. You will work closely with engineering, product and infrastructure teams to embed security throughout the software development lifecycle, from design and implementation through to deployment and ongoing improvement. The position offers a salary of £98,000–£115,000 plus equity. Your responsibilities will include designing and implementing secure, scalable services; reviewing code and architecture for vulnerabilities; developing security...

Associate Director - Cyber M&A - Private Equity Focus

Added 24/09/2026

An opportunity has arisen for an Associate Director specialising in Cyber M&A, with a strong focus on private equity transactions. This role will support investors, portfolio companies and executive stakeholders through the assessment of cyber risk across acquisitions, disposals, carve-outs and post-deal transformation programmes. You will lead complex engagements from initial scoping and due diligence through to reporting, remediation planning and value creation, providing clear, commercially focused advice on the impact of cyber security on investment decisions. Responsibilities will include directing cyber due diligence reviews; assessing security governance, technology environments, resilience, data protection, third-party risk and regulatory exposure; identifying material...

Founding CTO (+ Equity) at VC-backed AI security startup

Added 24/08/2026

An innovative, VC-backed startup at the forefront of AI security is seeking a visionary Founding CTO to join as a core member of the leadership team. This is a unique opportunity to take charge of the technology strategy and execution within a fast-paced, high-growth environment. As the Founding CTO, you will work closely with the founding team to define the technical roadmap, architect scalable solutions, and build a world-class engineering team. You will have significant influence over product direction and play a pivotal role in shaping the company’s culture and long-term success. Key responsibilities include designing and implementing secure, scalable...

Head of InfoSec

Added 08/10/2026

We are seeking an experienced Head of Information Security to lead the development and execution of a comprehensive security strategy across the organisation. This is a senior leadership role responsible for protecting information assets, technology platforms, and business operations while enabling secure growth and innovation. You will provide clear direction on information security, cyber risk, governance, and resilience, working closely with executive stakeholders and technology leaders to ensure security is embedded into business decision-making. Key responsibilities will include defining and maintaining the information security strategy, policies, standards, and operating model; overseeing risk assessment and treatment; and ensuring compliance with relevant...

Head of InfoSec

Added 05/10/2026

We are seeking an experienced Head of Information Security to lead the development and execution of a robust, enterprise-wide security strategy. This is a senior leadership role responsible for protecting information assets, technology infrastructure, applications and business operations against evolving cyber threats. You will establish security priorities that support organisational objectives, promote a strong security culture and provide clear, pragmatic advice to executive stakeholders and senior leadership. Your responsibilities will include owning the information security governance framework, policies, standards and risk management processes. You will oversee threat detection, incident response, vulnerability management, identity and access controls, security architecture, third-party assurance...

Head of Engineering in Network Security (Remote in EU or UK)

Added 24/09/2026

We are seeking a Head of Engineering to lead the development, delivery and continuous improvement of products and platforms within the network security space. This is a senior leadership role for an experienced engineering professional who can combine strategic thinking with practical execution, building resilient teams and secure, scalable technology. The role is fully remote and open to candidates based in the European Union or the United Kingdom. You will define and implement the engineering strategy in partnership with product, security, operations and commercial stakeholders. Your responsibilities will include leading distributed engineering teams, setting clear objectives and delivery standards, improving...

Governance, Risk & Compliance (GRC) Infosec Manager (PCI)

Added 13/10/2026

We are seeking an experienced Governance, Risk & Compliance (GRC) Infosec Manager with strong expertise in Payment Card Industry Data Security Standard (PCI DSS) compliance. This role will lead the development, implementation and continuous improvement of information security governance, risk management and compliance activities across a complex technology and business environment. You will act as a trusted adviser to senior stakeholders, helping to embed effective security practices while ensuring regulatory, contractual and industry requirements are consistently met. Key responsibilities will include owning the PCI DSS compliance programme, coordinating assessments and audits, maintaining policies, standards and control frameworks, and monitoring remediation...

InfoSec Analyst

Added 07/10/2026

We are seeking an InfoSec Analyst to support the protection of information systems, applications and data across a complex technology environment. The successful candidate will monitor security events, investigate alerts and potential incidents, and help coordinate timely responses in line with established procedures. You will contribute to maintaining effective security controls, identifying weaknesses and supporting improvements that reduce operational risk. Key responsibilities include reviewing logs and alerts from security monitoring tools, conducting initial incident triage, documenting findings and escalating matters when required. You will assist with vulnerability management, including tracking remediation activities, validating corrective actions and reporting outstanding risks. The...

Senior InfoSec Engineer

Added 06/10/2026

We are seeking a Senior InfoSec Engineer to help strengthen and evolve information security across a complex technology environment. This role will be responsible for designing, implementing and maintaining effective security controls that protect systems, applications, data and services from evolving threats. You will work closely with infrastructure, software engineering, cloud, risk and compliance teams to embed security throughout the technology lifecycle and support a strong culture of secure delivery. Your responsibilities will include leading security assessments, identifying vulnerabilities and recommending practical remediation plans; monitoring and responding to security incidents; and improving detection, investigation and response capabilities. You will contribute...

InfoSec Engineer

Added 05/10/2026

We are seeking an experienced InfoSec Engineer to help protect critical systems, applications, data, and users against evolving cyber threats. In this role, you will contribute to the design, implementation, and continuous improvement of security controls across cloud, infrastructure, endpoint, and application environments. You will work closely with engineering, IT, compliance, and business teams to embed security into everyday operations while supporting a practical, risk-based approach. Your responsibilities will include monitoring and investigating security events, supporting incident response activities, and helping to identify, assess, and remediate vulnerabilities. You will administer and enhance security tools such as SIEM, endpoint detection and...

Lead InfoSec Engineer, DevSecOps

Added 02/09/2026

We are seeking a Lead InfoSec Engineer, DevSecOps to strengthen security across the software development lifecycle and help build secure, scalable engineering practices. In this role, you will lead the integration of security into development, delivery, and operational processes, working closely with software engineers, platform teams, architects, and risk stakeholders. You will help shape security strategy while remaining hands-on with the tools, technologies, and processes that protect applications, infrastructure, and sensitive data. Key responsibilities include designing and maintaining DevSecOps capabilities across CI/CD pipelines, cloud environments, infrastructure as code, container platforms, and source-control systems. You will establish security controls, automate vulnerability...

Infosec Manager - Fintech - Hybrid

Added 01/09/2026

We are seeking an experienced Information Security Manager to lead and strengthen security practices within a fast-paced fintech environment. This is a hybrid opportunity for a security professional who can combine strategic thinking with hands-on delivery, helping protect sensitive financial data, customer information and critical technology platforms. You will work closely with technology, risk, compliance, product and operational teams to ensure security is embedded across the business. Your responsibilities will include developing and maintaining the information security strategy, policies, standards and controls; managing security risk assessments and treatment plans; and overseeing incident response, investigation and post-incident improvement activities. You will...

Senior Technical Program Manager (InfoSec), London

Added 26/08/2026

We are seeking a Senior Technical Program Manager to lead complex information security initiatives across a global technology environment in London. This role will be responsible for driving programmes that strengthen security capabilities, improve operational resilience and support the delivery of strategic risk and compliance objectives. You will work closely with engineering, infrastructure, privacy, legal, risk and business teams to establish clear priorities, coordinate delivery and ensure that security considerations are embedded throughout the organisation. You will define programme scope, objectives, milestones, dependencies and success measures, while managing delivery from planning through to implementation and review. Responsibilities will include maintaining...

Senior InfoSec Analyst Vulnerability Management

Added 25/08/2026

We are seeking a Senior InfoSec Analyst, Vulnerability Management to lead the identification, assessment and remediation of security vulnerabilities across a complex technology environment. This role will be responsible for strengthening vulnerability management practices, improving risk visibility and helping protect critical systems, applications, infrastructure and data. You will work closely with infrastructure, cloud, application development, engineering and compliance teams to ensure vulnerabilities are identified promptly, prioritised appropriately and resolved within agreed risk tolerances. Key responsibilities include managing vulnerability scanning and assessment activities, reviewing results from automated tools and validating findings through manual analysis. You will assess vulnerabilities based on exploitability,...

Senior InfoSec Analyst Vulnerability Management

Added 19/08/2026

We are seeking a highly skilled Senior InfoSec Analyst specializing in Vulnerability Management to join our dynamic team. In this role, you will be responsible for identifying, assessing, and mitigating security vulnerabilities across our IT infrastructure. You will lead vulnerability assessments, perform risk analysis, and collaborate with cross-functional teams to ensure compliance with security policies and standards. Your expertise will be critical in developing and implementing remediation strategies, as well as providing guidance on best practices for securing systems and applications. The ideal candidate will have a deep understanding of vulnerability management tools and methodologies, as well as experience in...