Senior Security Engineer at Causaly | London

Join our dynamic team at natter as a Security Engineer, where you'll play a pivotal role in safeguarding our systems and data. Your expertise will help us enhance our security measures and protect our digital assets.

Join the dynamic team at Natter as an Executive Assistant! We are looking for a proactive and organized individual to provide comprehensive support to our executives, ensuring smooth operations and effective communication within the organization.

Join our innovative team at natter as a Founder Associate! You will play a crucial role in shaping our growth strategy and driving our go-to-market initiatives. This is an exciting opportunity to work closely with our founder and collaborate with passionate professionals dedicated to making a difference.

Join our dynamic team as a Marketing Associate at natter! In this role, you will have the opportunity to contribute to exciting marketing campaigns, engage with our audience, and help drive our growth initiatives. We are seeking a passionate and creative individual who thrives in a collaborative environment and is eager to learn and grow.

Join Our Team as a Security EngineerAt incident.io, we are transforming incident response with our cutting-edge AI platform, dedicated to minimizing response times and enhancing reliability. Our comprehensive solution integrates on-call management, incident response, AI SRE, and status updates into one seamless platform, empowering teams to act swiftly, reduce outages, and keep their customers informed.Since our inception in 2021, we have successfully assisted over 1,500 organizations, including renowned names like Netflix, Airbnb, and Block, in managing over 500,000 incidents. Each month, thousands of engineers, product managers, and support staff rely on incident.io to restore services efficiently, maintain alignment during high-pressure situations, and focus on what truly matters.We are a rapidly expanding, ambitious team that values our customers, the quality of our product, and the magic we create together. With $100M raised from prestigious investors like Index Ventures, Insight Partners, and Point Nine, along with contributions from top executives in the tech industry, we’re poised for significant growth.Your RoleAs our inaugural Security Engineer, you will play a vital role in our product teams, ensuring application security is integrated from the foundational stages. Collaborating closely with engineers, you will identify vulnerabilities before they progress to production, mentor your peers on secure coding practices, and foster a culture where security is a primary focus.This position offers a unique opportunity to work at the intersection of security and engineering, contributing to the design and development of secure systems that align with our commitment to customer satisfaction.

About ARQ ARQ is one of the fastest-growing fintech companies worldwide, focused on changing how people move money across borders. The team is building infrastructure for seamless value transfer. Working here means contributing directly to the product, culture, and growth. Those looking to solve meaningful problems and make an impact at a global scale will find a place to grow quickly at ARQ. Role Overview: Security Engineer (London) This Security Engineer role is based in London. The position centers on strengthening ARQ’s security posture across infrastructure, applications, and workflows. Collaboration with teams across the company is essential to drive improvements and maintain high standards for data and system protection. Main Responsibilities Develop and refine SIEM detection rules, alert pipelines, and automated response playbooks using platforms such as Datadog SIEM, CrowdStrike, and Cloudflare. Contribute to incident response readiness by creating incident response playbooks, running tabletop exercises, and setting up forensic procedures. Support data loss prevention (DLP) strategies and data protection across Google Workspace, Slack, and internal tools. Conduct cloud security assessments focused on AWS and Kubernetes environments. Lead application security projects, including threat modeling, secure code reviews, API testing, and enhancing security pipelines. Assess and secure AI and agentic workflows by reviewing prompts, preventing harmful actions, and managing risks related to data exposure. Set up and manage the vendor security assessment process, building a scalable due diligence framework for onboarding third parties.

Join Flohealth as a Cloud Security Engineer, where you will play a pivotal role in safeguarding our cloud environments. Your expertise in cloud security principles and practices will be fundamental in developing and implementing robust security measures.In this role, you'll collaborate with cross-functional teams to assess and enhance our security posture, ensuring compliance with industry standards. Your contributions will directly impact the security and integrity of our data and services.

IT & Security EngineerJoin Solve Intelligence, one of Europe's fastest-growing AI companies, as we expand our IT and security infrastructure!Salary: £65K – £90K plus equity. This is a full-time, in-person role based in London.About the RoleAre you ready to take on a pivotal role in a rapidly growing YC-backed startup? As our founding IT hire, you will collaborate directly with the CTO to design and implement the systems that will facilitate our growth from 40 to 200 employees.Your ResponsibilitiesOversee internal IT operations: Device management using Jamf, Google Workspace administration, and user onboarding/offboarding.Enhance our security and compliance posture: Lead ISO 27001 and SOC 2 Type 2 programs, security policies, and audit processes.Manage customer-facing SSO: Configure enterprise SSO (SAML/OIDC), liaise with customer IT teams, and collaborate with engineers on automation.Design scalable systems: Develop tools, documentation, and workflows to ensure repeatable and efficient IT and security processes.Your ProfileWe're seeking a proactive IT and security engineer who views IT as an engineering discipline rather than a support function. You should be comfortable making decisions and collaborating closely with both technical and non-technical teams.

About UsAt TrustFlight, we are a pioneering force in mission-critical software systems and technical services, earning the trust of the aerospace and aviation industries globally. Our cutting-edge solutions enhance the safety and efficiency of aviation operations, safeguarding hundreds of thousands of passengers and crew each month.Why TrustFlight?Our Mission: To transform aviation by providing digital workflow solutions that bolster safety, streamline operations, and instill confidence throughout the industry.Impact: Over 200,000 users depend on our systems daily for operational safety, compliance management, and critical decision-making.Core Values: We uphold integrity, responsibility, innovation, and excellence, empowering our partners to operate with assurance.Join us in shaping the future of aviation through technology.Your RoleAs a Security Assurance Engineer, you will play a vital role in ensuring that TrustFlight’s aviation software and services are secure, resilient, and trustworthy as the company expands globally. This hands-on position focuses on developing and validating security controls that are effective in real-world scenarios.You will be based in London, UK, and report to the CIO while collaborating closely with Platform, Infrastructure, and Application Engineering teams across various time zones. Your contributions will directly support TrustFlight in meeting regulatory, customer, and industry security expectations, while enabling teams to operate swiftly and securely.What You Will DoDesign, implement, and manage security solutions, controls, and supporting tools across platform, infrastructure, and application security domains.Establish, implement, and continuously evaluate security controls to ensure their efficacy in real-world operations.Oversee the Security Information and Event Management (SIEM) capabilities, ensuring effective security monitoring and assurance.Identify, assess, and prioritize security risks and control gaps, translating findings into actionable technical and operational enhancements.Utilize automation to enhance security processes and increase efficiency.

Join Palantir Technologies as an Information Security Engineer in London, where you will play a critical role in safeguarding our cutting-edge technology and sensitive data. Your expertise will help us develop and implement robust security strategies, ensuring that our platforms remain secure against evolving threats.

About WRITERWRITER is at the forefront of empowering the world's leading enterprises with AI-driven solutions. Our mission is to enhance human capabilities through superintelligence, proving that transformative, reliable AI is achievable. By bridging IT and business teams, we enable organizations to undergo enterprise-wide transformations. Hundreds of renowned companies, including Mars, Marriott, Uber, and Vanguard, utilize WRITER's comprehensive platform to build and deploy AI agents based on their unique data, powered by our enterprise-grade LLMs. With a valuation of $1.9B and support from top-tier investors like Premji Invest, Radical Ventures, and ICONIQ Growth, WRITER is solidifying its role as a pioneer in enterprise generative AI.Founded in 2020, and with offices in San Francisco, New York City, Austin, Chicago, and London, our dynamic team is dedicated to innovative thinking and swift action. We invite talented, dedicated builders and visionaries to join us in shaping the future of work through AI. About the RoleJoin us as a Security Engineer specializing in Application Security at WRITER, where security innovation meets enterprise-scale challenges. You will lay the foundational security measures to safeguard the AI systems that support some of the most recognizable brands globally. Collaborating closely with engineering teams, your role will be pivotal in integrating security into every aspect of our coding processes, ensuring our platform remains robust and trustworthy.This is a tremendous opportunity to shape the security landscape for enterprise AI applications, from threat modeling our LLM architectures to creating scalable automated security controls across our growing platform. Embrace the challenge of discovering creative solutions that allow us to proceed securely. You will encounter unique hurdles that most security engineers may never face, including securing AI agents, shielding training data pipelines, and designing controls for systems that are still in their infancy.This position offers the flexibility of remote work within the US or a hybrid model from our San Francisco or New York City offices, with direct reporting to the Head of Security Engineering.

Join PPRO, where our mission is to streamline access to local payment methods and our vision is to empower global commerce by enabling sales to anyone, anywhere, using their preferred payment method. We collaborate with industry leaders such as Ant Group, PayPal, and Stripe, helping them tap into new markets, engage a broader customer base, and drive growth.Our strength is rooted in our diverse team, comprising over 50 nationalities across more than 10 international locations, all working towards a shared goal: delivering exceptional products and services to our partners and customers. While we strive to innovate in global commerce, we also embrace internal values such as #chooseaction, #beopen, #thinkcustomer, #gofurther, and #wintogether.Role Overview:We are looking for a highly skilled and driven Senior Security Operations Engineer to join our vibrant security team. This pivotal role is essential to safeguarding PPRO against an ever-changing threat landscape. You will be responsible for identifying, analyzing, and responding to security incidents, focusing primarily on enhancing our detection capabilities through the creation of SIEM rules. You should be proactive, hands-on, and self-motivated, with a solid background in operational security and a passion for addressing complex challenges with state-of-the-art technologies. This position offers a unique opportunity to engage in various aspects of security operations within a dynamic, cloud-native environment.

Join Our Team as an IT Security Engineer!5ive Tech Limited is on the lookout for an experienced 3rd Line Infrastructure Engineer with a strong background in IT security. This role requires expertise in Security Information and Event Management (SIEM) tools such as Splunk, LogRhythm, or QRadar.As an IT Security Engineer, you will be responsible for setting up networks, servers, and providing 3rd line Business As Usual (BAU) infrastructure support. Your experience in handling various security projects and working with SIEM tools will be instrumental in enhancing our security posture.Join us and be part of a dynamic team dedicated to safeguarding our IT infrastructure!

Join Us in Empowering the UK's Small Businesses At Funding Circle, we believe that small businesses are the backbone of the economy, and our mission is to provide them with the support they need to thrive. Our innovative platform leverages advanced data analytics to facilitate rapid access to funding, ensuring that our clients can secure the resources they need in mere minutes.Combining the agility of a fintech startup with the reliability of a publicly traded company, we offer Circlers the independence to take initiative while making a significant impact on the industry.We take pride in our high-performance culture, where collaboration and support are at the forefront. We uplift one another, challenge the status quo, and succeed together because we understand that unity accelerates progress and innovation.Your Contribution Matters: Last year alone, our platform enabled businesses to generate £7.2 billion for the UK economy Join us in making a difference![Explore Our Impact Report] | [Check Our Trustpilot]Your Role Location: London (Hybrid) | Work Schedule: 2 days in-office | Salary: Competitive + BenefitsLead the definition, advocacy, and integration of secure software development lifecycle (SSDLC) practices and secure coding standards throughout engineering teams via collaboration, training, and the use of tools.Conduct threat modeling exercises for cloud-native applications, microservices, and various infrastructure components.Oversee internal and external penetration testing engagements for Funding Circle's applications, services, and cloud infrastructure.Work closely with Cloud Platform Engineers, DevX, and Product Engineering to embed security requirements into system designs and technology choices from the beginning.Serve as a subject matter expert in DevSecOps, application security, and cloud security (AWS), offering guidance and mentorship to fellow engineers.Drive the implementation of security automation across cloud infrastructure configuration, vulnerability management, and compliance monitoring.Design, implement, and promote the adoption of robust security architectures, controls, and best practices within our AWS cloud environment.

CUBE delivers regulatory intelligence solutions to financial services firms worldwide. Our SaaS platform uses AI to help clients manage complex and changing compliance demands. With a global presence and a team spanning 19 countries, CUBE focuses on collaboration, diversity, and continual product improvement. In 2024, CUBE achieved 50% growth through both organic expansion and acquisitions. The company values ambition, bold thinking, and personal ownership, encouraging employees to shape their careers and contribute to ongoing innovation. Our team includes over 700 professionals working together to transform regulatory compliance for financial institutions. Role overview The Senior Security Engineer will strengthen security engineering standards across CUBE's products and platforms. This hands-on role sits within the growing security function and reports to the Head of Information Security. The position is based in London. What you will do Design and implement security controls for CUBE's SaaS products and internal platforms Integrate security practices into development workflows Develop automation and system integrations to scale security across the organization Promote security awareness and collaborate with teams to maintain high standards Requirements Strong hands-on experience in security engineering Proven ability to develop automation and integrate security tools into engineering workflows Collaborative approach and ability to promote security best practices across teams Comfort working in a role that involves building and creating new solutions

airapps is hiring a Security Engineer to help safeguard digital assets and infrastructure in the London Metropolitan Area. This role centers on identifying weaknesses, managing security risks, and ensuring strong security measures are in place. Key responsibilities Identify vulnerabilities throughout information systems Reduce and address security risks as they arise Implement and maintain effective security protocols Support efforts to comply with relevant industry standards Help strengthen the company’s overall security posture Location This position is based in the London Metropolitan Area.

Join Securitas as an Aviation Security Specialist, where your expertise will play a crucial role in ensuring the safety and security of our airport environments. As a key member of our dedicated team, you will be responsible for implementing and upholding security protocols, conducting thorough inspections, and collaborating with various stakeholders to maintain the highest standards of safety.

Role Overview Aircall is looking for a Security Engineer focused on Product Security to help protect our products and platform. This role is based in our London office. What You Will Do Work with teams across engineering, product, and other functions to spot vulnerabilities and address them early in the development process. Implement security measures that fit our product development lifecycle. Lead security initiatives that strengthen customer trust and protect sensitive data. Support efforts to keep our security standards high as our platform evolves. Impact This role directly shapes the security of Aircall’s products and the safety of customer data. The work supports our commitment to strong security practices and helps maintain trust with our users.

Join our dynamic team at Lendable as a Cyber Security Engineer, where you will play a pivotal role in safeguarding our digital assets and ensuring the integrity of our systems. In this position, you will be responsible for the design, implementation, and maintenance of security protocols across our network and applications. You will work closely with cross-functional teams to identify vulnerabilities and develop strategies to mitigate risks.