Security Engineer (£110k-£200k + Equity) at $100M Series B AI a confidential company response platform

Added 08/06/2026

We are seeking an experienced Security Engineer to join a fast-growing AI-driven company poised for significant impact in the response platform space. In this role, you will be responsible for designing, implementing, and maintaining robust security measures that protect our infrastructure, applications, and data. Your expertise will help shape our security architecture and strategy, ensuring compliance with industry standards while proactively identifying and mitigating potential threats. The ideal candidate will have a strong background in cybersecurity, with a deep understanding of network security, application security, and cloud security practices. You will work closely with cross-functional teams to conduct risk assessments,...

Full Stack Engineer (£120k-£135k + Equity) at $2.3M seed-funded AI cybersecurity startup

Added 21/05/2026

We are seeking a talented Full Stack Engineer to join an innovative AI cybersecurity startup that has recently secured £2.3M in seed funding. In this dynamic role, you will be responsible for designing, developing, and maintaining scalable web applications that enhance our cybersecurity solutions. You will work closely with cross-functional teams to define project requirements, create technical specifications, and implement robust software features. Your expertise will be crucial in ensuring high performance, responsiveness, and security across our platforms. Additionally, you will collaborate with UX/UI designers to create user-friendly interfaces that meet our customers' needs. The ideal candidate will possess a...

Security GRC Manager at Humaans

Added 16/06/2026

We are seeking a dedicated Security GRC Manager to join our dynamic team, where you will play a pivotal role in ensuring our governance, risk management, and compliance framework is robust and effective. In this position, you will be responsible for developing and implementing security policies and procedures in alignment with industry standards and regulatory requirements. You will conduct regular risk assessments, identify vulnerabilities, and recommend mitigation strategies to safeguard our information assets. Collaboration with various departments is essential to ensure security practices are integrated into all business processes. In addition to policy development, you will oversee compliance audits and...

Security GRC Manager at $20M YC-backed AI workplace infrastructure startup

Added 12/06/2026

We are seeking an experienced Security GRC Manager to join our dynamic team at a rapidly growing AI workplace infrastructure startup. In this role, you will be responsible for developing, implementing, and managing our governance, risk, and compliance (GRC) framework. You will collaborate with cross-functional teams to ensure that our security policies and procedures align with industry standards and regulatory requirements. Your expertise will be critical in identifying potential security risks and developing strategies to mitigate them, ensuring the organization’s data integrity and security posture are maintained at the highest level. The ideal candidate will have a strong background in...

Technical Lead / CTO (+ Equity) at London startup building national security software

Added 21/05/2026

We are seeking a dynamic Technical Lead / CTO to join a pioneering London-based startup focused on developing cutting-edge national security software. In this role, you will spearhead the technical vision and strategy while overseeing the development and deployment of innovative software solutions. You will lead a talented engineering team, providing mentorship and guidance to ensure the successful execution of projects from conception to launch. You will be responsible for defining the technical architecture, implementing best practices, and fostering an agile development environment that encourages creativity and collaboration. As a key member of the leadership team, you will engage with...

IT & Security Associate at VC-backed autonomous manufacturing startup

Added 11/05/2026

Join a dynamic and innovative VC-backed autonomous manufacturing startup as an IT & Security Associate. In this pivotal role, you will be responsible for maintaining and enhancing our IT infrastructure and security protocols. Your primary duties will include monitoring network performance, troubleshooting hardware and software issues, and ensuring the security of sensitive data. You will collaborate with cross-functional teams to implement IT policies and procedures that align with industry standards, ensuring the highest levels of operational efficiency and data integrity. As an IT & Security Associate, you will also play a key role in conducting regular security audits, managing user...

Founding Security & Compliance Engineer

Added 17/06/2026

We are seeking a Founding Security & Compliance Engineer to join our dynamic team in building robust security frameworks and compliance programs from the ground up. In this pivotal role, you will be responsible for designing, implementing, and maintaining security protocols that safeguard our infrastructure and data. You will conduct thorough risk assessments, identify vulnerabilities, and develop strategies to mitigate potential threats. Collaboration with cross-functional teams will be essential as you ensure compliance with industry standards and regulations, including GDPR, HIPAA, and PCI-DSS. Your expertise will drive the creation of security policies and procedures, while also educating team members about...

Founding Engineer | SaaS | Identity Security & Attack Simulation | Fractional to Permanent

Added 11/05/2026

We are seeking a dynamic and innovative Founding Engineer to join a pioneering SaaS company specializing in identity security and attack simulation. This role offers a unique opportunity to play a critical role in shaping the future of our platform while working alongside a team of passionate professionals. As a key member of our founding team, you will be responsible for designing, developing, and deploying robust software solutions that enhance security and mitigate risks for our clients. Your expertise will drive the architecture and engineering decisions that will define our product's success in the marketplace. The ideal candidate will possess...

Founding Platform & Security Engineer

Added 26/04/2026

We are seeking a talented Founding Platform & Security Engineer to join our innovative team in building secure and scalable platforms from the ground up. In this critical role, you will be responsible for designing, implementing, and maintaining robust security measures across all aspects of our platform. You will work closely with cross-functional teams to ensure that security is integrated into the development lifecycle, identifying potential vulnerabilities and implementing solutions to mitigate risks. Your expertise will help shape the technical direction of our platform, and you will play a key role in establishing best practices for security and performance optimization....

Security Engineer, Security Engineer

Added 23/04/2026

We are seeking a skilled Security Engineer to join our team and enhance our cybersecurity posture. In this role, you will be responsible for designing, implementing, and maintaining security systems and protocols to protect our organization’s information and infrastructure. You will conduct regular security assessments, vulnerability scans, and risk analysis to identify potential threats and weaknesses. Collaborating closely with IT and development teams, you will provide guidance on security best practices and help to integrate security measures throughout the software development lifecycle. Your daily responsibilities will include monitoring security incidents, responding to breaches, and investigating security alerts. You will also...

Cyber Security Engineer, (Cloud Security Specialist)

Added 15/06/2026

We are seeking a skilled Cyber Security Engineer with a specialization in Cloud Security to join our dynamic team. In this role, you will be responsible for designing, implementing, and managing security solutions for cloud-based environments. Your primary focus will be to safeguard applications and data hosted in the cloud by employing industry best practices and cutting-edge security technologies. You will conduct regular security assessments, vulnerability scans, and penetration testing to identify potential threats and weaknesses, ensuring the integrity and confidentiality of critical information. As a Cyber Security Engineer, you will collaborate closely with cross-functional teams to establish security policies...

Staff Security Engineer, Product Security

Added 12/06/2026

We are seeking a highly skilled Staff Security Engineer with a focus on Product Security to join our dynamic team. In this role, you will be responsible for ensuring the security of our products throughout their lifecycle. You will work closely with cross-functional teams to identify and mitigate potential security risks, conduct security assessments, and implement best practices in secure software development. Your expertise will guide the design and architecture of secure systems and contribute to the ongoing improvement of our security posture. Key responsibilities include performing threat modeling, vulnerability assessments, and code reviews, as well as developing and maintaining...

Security Engineer- Product Security

Added 11/06/2026

We are seeking a skilled Security Engineer specializing in Product Security to join our dynamic team. In this role, you will be responsible for identifying and mitigating security vulnerabilities in our products throughout the development lifecycle. You will collaborate closely with product managers, software developers, and quality assurance teams to embed security practices into the design and implementation phases. Your expertise will be crucial in conducting threat modeling, risk assessments, and security testing to ensure our products meet the highest security standards. The ideal candidate will have a strong background in security principles, secure coding practices, and various security technologies....

Security Engineer - Product Security

Added 01/06/2026

We are seeking a highly skilled Security Engineer specializing in Product Security to join our dynamic team. The ideal candidate will be responsible for ensuring the security of our products throughout the entire development lifecycle. You will collaborate closely with cross-functional teams, including software developers and product managers, to integrate security best practices into product design and implementation. Your primary duties will include conducting threat modeling, performing security assessments, and identifying vulnerabilities in our products while providing actionable recommendations for remediation. In this role, you will also be tasked with developing and maintaining security tools and frameworks that enhance our...

Security Engineer, IAM Stores Security

Added 01/06/2026

We are seeking a dedicated Security Engineer specializing in IAM Stores Security to join our dynamic team. In this role, you will be responsible for designing, implementing, and maintaining robust security architectures for Identity and Access Management (IAM) systems. Your primary focus will be on ensuring the confidentiality, integrity, and availability of sensitive data stored in IAM systems while adhering to industry best practices and compliance standards. You will collaborate closely with cross-functional teams to identify and mitigate security risks, and you will be involved in incident response activities to address any security breaches. The ideal candidate will have a...