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...

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...

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...

Data, Development and Infosec Manager- Warrington or Llandudno- Hybrid

Added 13/08/2026

We are seeking a highly skilled Data, Development and Infosec Manager to join our team in a hybrid role based in either Warrington or Llandudno. The successful candidate will be responsible for overseeing data management, application development, and information security initiatives. You will lead a team of professionals to ensure the integrity, security, and effective use of data across the organization while driving the development of innovative applications that meet business needs. Your key responsibilities will include developing and implementing data governance strategies, managing the lifecycle of data assets, and ensuring compliance with relevant regulations. You will collaborate with cross-functional...

InfoSec Governance, Risk and Compliance Analyst

Added 10/08/2026

We are seeking a qualified InfoSec Governance, Risk and Compliance Analyst to join our dynamic team. In this role, you will be responsible for developing, implementing, and maintaining the organization's information security governance framework. You will work closely with various departments to ensure compliance with relevant regulations and standards, while promoting a culture of security awareness throughout the organization. Your expertise will be crucial in identifying and assessing risks, as well as implementing effective strategies to mitigate them. Key responsibilities include conducting regular audits and assessments of information security policies and procedures, ensuring adherence to industry standards such as ISO...

Security Pen Tester - InfoSec

Added 05/08/2026

We are seeking a skilled Security Pen Tester to join our dynamic Information Security team. The successful candidate will be responsible for identifying vulnerabilities within our systems and applications through comprehensive penetration testing. You will conduct security assessments, develop testing methodologies, and provide actionable recommendations to enhance the security posture of our organization. Your expertise will be crucial in simulating real-world attacks to uncover potential weaknesses and improve our defenses against cyber threats. Key responsibilities include executing penetration tests on networks, web applications, and mobile platforms, as well as documenting findings in detailed reports. You will collaborate closely with development...

InfoSec Manager

Added 27/07/2026

We are seeking an experienced InfoSec Manager to lead our information security initiatives and ensure the protection of sensitive data across the organization. In this role, you will be responsible for developing, implementing, and maintaining security policies and procedures that align with industry standards and regulatory requirements. You will oversee risk assessments, vulnerability assessments, and create incident response protocols to manage and mitigate potential security breaches effectively. Collaborating with cross-functional teams, you will promote a culture of security awareness and best practices throughout the organization. The ideal candidate will have a strong background in information security management, with at least...

Information Governance & Data Protection Lead (DPO) - Part Time/Remote

Added 17/09/2026

We are seeking an experienced Information Governance and Data Protection Lead to act as the organisation’s Data Protection Officer (DPO) on a part-time, remote basis. This is an influential role responsible for promoting a strong culture of privacy, accountability and secure information management across the organisation. You will provide independent advice and guidance on data protection obligations, monitor compliance with applicable legislation and support teams in managing personal and sensitive information appropriately. Key responsibilities will include maintaining and improving data protection and information governance frameworks, policies, procedures and records; advising on privacy implications of new projects, systems, processes and supplier...

SC CLEARED SECURITY ARCHITECT | OUTSIDE IR35 | REMOTE

Added 17/09/2026

We are seeking an experienced SC Cleared Security Architect for a remote contract opportunity, operating outside IR35. The successful candidate will provide security architecture expertise across complex technology and business change programmes, helping to ensure that solutions are secure, resilient, compliant and aligned with organisational risk appetite. You will work with technical and business stakeholders to define practical security strategies and translate requirements into clear, implementable designs. Responsibilities will include developing and maintaining security architectures, principles, patterns and standards; conducting threat, risk and impact assessments; and producing high-quality security documentation for design reviews and governance forums. You will assess proposed...

Penetration Tester - UK (Remote)

Added 15/09/2026

We are seeking a skilled Penetration Tester to join a remote security team supporting clients across the UK. In this role, you will assess the security of networks, applications, cloud environments and infrastructure, identifying vulnerabilities before they can be exploited. You will plan and conduct authorised penetration tests, perform reconnaissance and threat modelling, exploit weaknesses safely, and evaluate the potential business impact of your findings. The role may involve web application, API, internal and external infrastructure, wireless, mobile, social engineering and cloud security assessments. You will be responsible for maintaining clear testing documentation, capturing reliable evidence and producing high-quality technical...

Senior Application Security Engineer (Remote - United Kingdom)

Added 14/09/2026

We are seeking a Senior Application Security Engineer to help strengthen the security of modern software products and services across their full development lifecycle. In this role, you will work closely with software engineers, architects, product teams and infrastructure specialists to embed secure-by-design principles into applications, platforms and delivery processes. You will help shape security standards, provide pragmatic guidance and support teams in identifying and addressing risks without unnecessarily slowing innovation. Your responsibilities will include conducting threat modelling, reviewing application and infrastructure designs, and performing or coordinating security assessments, code reviews and penetration testing. You will analyse findings from automated...