Senior Application Security Engineer

Company IconClear Corp
Location IconLondon

Application Security Penetration Testing SDLC OWASP Security Automation We are seeking a Senior Application Security Engineer to enhance our team and elevate our application security testing. You will be responsible for penetration testi...Read More>>.

Posted: August 7th, 2026
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Senior Software Security Engineer

Company IconHarmonic Security
Location IconLondon

AI doesn't run in one place anymore. It runs in the browser tab, the desktop app, the agent your engineers kicked off, and the copilot embedded in the tools you already pay for. Harmonic Security governs all of it. Our AI Governance and Control...Read More>>.

Posted: August 7th, 2026
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Staff Software Security Engineer – Secure AI & Cloud

Company IconData Science Festival
Location IconLondon

Data Science Festival is seeking a Staff Software Security Engineer to join their London team. This hybrid position offers a salary of up to £135,000 and the chance to work on innovative AI-driven products.In this role, you will implement...Read More>>.

Posted: August 10th, 2026
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Senior Network Security Engineer - AlgoSec

Company IconEuroclear
Location IconLondon

Division: Group Technology Services (GTS) Group Technology Services (GTS) plans, builds and runs the global infrastructure of Euroclear, and is responsible for the IT service management of the operating entities across different group...Read More>>.

Posted: August 17th, 2026
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Lead IT Security Engineer (Zscaler)

Company IconThe Depository Trust & Clearing Corporation (DTCC)
Location IconLondon

1 day ago Be among the first 25 applicantsDirect message the job poster from The Depository Trust & Clearing Corporation (DTCC)Transforming lives one opportunity at a time.Are you ready to make an impact at DTCC?...Read More>>.

Posted: August 17th, 2026
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Information Security Manager - Education Tech - 80k-85k GBP

Company IconHawksworth
Location IconLondon

OverviewInformation Security Manager — Education Tech (No direct reports)Location: Central London. Hybrid: 2 days per week in the Shoreditch office.Salary range shown is provided for context; your actual pay will be bas...Read More>>.

Posted: August 17th, 2026
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Tetragon Senior Linux Security Engineer

Company IconCisco Systems
Location IconLondon

About this role: Cilium Tetragon is a flexible, Kubernetes-aware security tool, with real-time observability and enforcement. Leveraging the power of eBPF, Tetragon offers a low-overhead, in kernel solution that enhances security postu...Read More>>.

Posted: August 17th, 2026
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Strategic Information Security Lead – 12-Month Fixed-Term

Company IconLegatics
Location IconLondon

Legatics is seeking an Information Security Manager for a fixed-term maternity cover of ~12 months, reporting to the Head of Engineering. The role spans technical security, compliance and governance, client assurance, and security tooling operatio...Read More>>.

Posted: August 29th, 2026
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Security Engineer: Secure‑by‑Design & Microsoft Platforms

Company IconSEFE Energy GmbH
Location IconLondon

SEFE Energy GmbH is seeking a Security Engineer to embed secure-by-design practices across our technology landscape. You will work in the Security Platforms & Architecture team to enhance security platforms, implement pragmatic controls, and suppo...Read More>>.

Posted: September 7th, 2026
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Staff Product Security Engineer

Company IconDoxy.me Inc.
Location IconLondon

Staff Product Security Engineer Who we are We’re doxy.me (doc-see-me), the world's most loved telemedicine solution, and we're on a mission to connect the world to the future of healthcare. We believe that cost and comp...Read More>>.

Posted: September 14th, 2026
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AI Security Engineer - DevSecOps & Cloud Security

Company IconEnfint
Location IconLondon

iProov ищет специалиста по кибербезопасности, который будет проектировать и внедрять безопасную архитектуру для использования агентног...Read More>>.

Posted: September 14th, 2026
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security engineer for biometric products

Company IconEnfint
Location IconLondon

ОписаниеiProov provides science-based biometric solutions for secure remote onboarding and authentication across digital and physical access. Its liveness technology and iSOC protect against deepfakes and generative AI threats...Read More>>.

Posted: September 14th, 2026
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Staff Product Security Engineer

Company IconAnduril Industries
Location IconLondon

About AndurilAnduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's...Read More>>.

Posted: September 14th, 2026
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Senior Product Security Engineer - Secure by Design Leader

Company IconNuman
Location IconLondon

Numan is building a regulated digital health platform with a security‑minded, hands‑on senior engineer role. You will own threat modelling, secure by design, and practical controls across web, API, and AI features, collaborating with Engineeri...Read More>>.

Posted: September 14th, 2026
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Staff Security Engineer: Cloud Security & Observability

Company IconCFC
Location IconLondon

CFC in London is seeking a Staff Security Engineer to advance security capabilities across our global technology estate. You will design security observability, automate control assurance and embed strong controls into products, platforms and proc...Read More>>.

Posted: September 14th, 2026
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Information Security Lead - Governance, Cloud & IR

Company IconNaimuri
Location IconPendleton

Naimuri is seeking an Information Security Officer to bridge policy and hands-on security. You will report to the Head of Security and help maintain our security posture across governance, risk, and technical operations.You will work in a m...Read More>>.

Posted: September 14th, 2026
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AI-Powered Offensive Security Engineer

Company IconWatchTowr Pte. Ltd.
Location IconLondon

WatchTowr Pte. Ltd. is looking for a candidate who thrives at the intersection of offensive security, AI, and experimentation. In this role, you will build innovative tooling that enhances security workflows while integrating directly into the wat...Read More>>.

Posted: September 15th, 2026
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AI Security Engineer — Secure by Design for Enterprise AI

Company IconWriter
Location IconLondon

Writer is hiring a Security Engineer in London to build the security foundations for AI systems powering top brands. You will integrate security into every line of code, collaborating with engineering to keep the platform trustworthy and scalable....Read More>>.

Posted: September 16th, 2026
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Senior Product Security Engineer - Secure by Design + AI

Company IconFormula.
Location IconLondon

Formula. in London / remote is seeking a Senior Product Security Engineer to embed security into product design and delivery. You will work closely with engineering and product teams, contribute early in architecture discussions, and address secur...Read More>>.

Posted: September 18th, 2026
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AI Security Engineer: Platform Security & Governance

Company IconAlvarez & Marsal
Location IconLondon

Alvarez & Marsal (A&M) is seeking a Security Engineer (AI) to own and operate AI security controls across enterprise platforms, reporting to the Security Engineering team. You will work at the intersection of security engineering, cloud security,...Read More>>.

Posted: September 21st, 2026
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Staff Product Security Engineer

Company IconStrativ Group
Location IconLondon

Staff Product Security Engineer | LondonLondon, UK | Full-Time | SC Clearance Required | UK Citizens OnlyWe are a defence technology company working on some of the most technically complex systems being built today -...Read More>>.

Posted: September 21st, 2026
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Senior Security Engineer - Contract

Company IconFlagstone Group Ltd
Location IconLondon

What is Flagstone? Flagstone is many things. An online savings platform, reinventing how individuals, businesses, and charities manage, protect, and grow their cash. A diverse group of people, bound by a collaborative spirit, and share...Read More>>.

Posted: September 21st, 2026
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Product Security Engineer — Secure-by-Design Solutions

Company IconUnited Talent Agency LLC
Location IconLondon

UTA seeks a Security Engineer - Product Security to help embed security into the design, development, and operation of our products and platforms. You will collaborate with engineering, product, and security teams to design and implement security...Read More>>.

Posted: September 21st, 2026
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Web Security Engineer JavaScript

Company IconClient Server
Location IconLondon

You could be progressing your career at a global leader in Computer Vision, AI and biometric identity, whose technology protects governments, critical infrastructure and some of the world's largest enterprises against identity fraud, deepfakes...Read More>>.

Posted: September 21st, 2026
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Senior Network & Security Engineer

Company IconPoutrix
Location IconLondon

Arcadis is seeking a Network Engineer to contribute to the planning, design, and optimization of the company’s network and security infrastructure. You will engage in evaluating technologies, testing, and providing advanced troubleshooting as pa...Read More>>.

Posted: September 21st, 2026
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Cyber Security Engineer - London

Company IconGCS
Location IconLondon

Salary: £? - ? per year Requirements: Strong experience delivering Secure by Design outcomes within complex enterprise environments. Experience reviewing solution architectures and identifying pragmatic se...Read More>>.

Posted: September 21st, 2026
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Information Security Manager — AI-Driven Cloud-Native Insurtech

Company IconTempcover
Location IconLondon

Tempcover is seeking an Information Security Manager based in London with potential travel to Fleet. You will own the information security strategy, shaping policies, standards and controls from the ground up, enabling security to drive rather tha...Read More>>.

Posted: September 21st, 2026
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Security Engineer (Institutional Trading)

Company IconPrudence Holdings
Location IconLondon

You’ll be the hands‑on security engineer embedded with the Institutional Trading and Financial Operations (FinOps) team. Your focus is the secure operation of off‑chain trading processes and infrastructure that empowers our institutional...Read More>>.

Posted: September 21st, 2026
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Senior Security Engineer, Amazon Security Automation

Company IconAMAZON UK
Location IconLondon

Description At Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security across all of Amazon’s prod...Read More>>.

Posted: September 21st, 2026
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Mobile Security Engineer: Secure iOS & Android Apps

Company IconStarling Bank Limited
Location IconLondon

Starling Bank seeks a Mobile Security Engineer to design, build, and maintain security for its Android and iOS apps, protecting customers and data. You will work with cross-functional teams to implement robust controls and stay ahead of threats in...Read More>>.

Posted: September 21st, 2026
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AWS Security Engineer Contract

Company IconWith Intelligence
Location IconLondon

AWS Security & Vulnerability Remediation Engineer (DevSecOps / Cloud Security) 3 month initial contract outside IR35 Role Summary We are looking to hire an AWS-focused security engineer to lead the remediati...Read More>>.

Posted: September 21st, 2026
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Data Security Engineering Lead

Company Icon慨正橡扯
Location IconLondon

Ready for a challenge? Then Just Eat Takeaway.com might be the place for you. We’re a leading global online delivery platform, and our vision is to empower everyday convenience. Whether it’s a Friday-night feast, a post-gym...Read More>>.

Posted: September 21st, 2026
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Security Engineer (HashiCorp Vault)

Company IconLevy Global
Location IconLondon

Security Engineer (HashiCorp Vault) | Contract | Financial Services | Hybrid Looking for a Senior Security Engineer with strong HashiCorp Vault expertise to join a key client based in London. The Role This i...Read More>>.

Posted: September 21st, 2026
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AI-Driven Security Engineer for Secure DevOps

Company IconGlasswall Solutions Limited
Location IconLondon

Glasswall is seeking a hands-on Security Engineer with 3-5 years of experience to join our small, high-impact Security Engineering team in the UK. You will help embed security throughout the product design and development lifecycle, investigate fi...Read More>>.

Posted: September 21st, 2026
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Senior Network Security Engineer

Company IconNatilik
Location IconLondon

Natilik is a Global Technology Solutions Partner. Our mission continues to be two-fold; growing a brand that is seen as the industry’s ‘Confident Guide’ sat between the vendors who make technology, and our clients who want to use it to he...Read More>>.

Posted: September 21st, 2026
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Senior Security Engineer: AI Security & Automation

Company IconAMAZON UK
Location IconLondon

Amazon is seeking a security-focused engineer to help scale and protect customer data and applications. You will work across cloud, devices, retail, and more, applying security expertise at scale.You will conduct research, develop automated...Read More>>.

Posted: September 21st, 2026
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Application Security Engineer — Cloud Security & Trust

Company IconAmazon
Location IconLondon

Amazon is seeking an application security engineer to join the Application Security team. You will prioritize security needs, communicate clearly, and maintain a high level of focus as the application landscape grows.Responsibilities includ...Read More>>.

Posted: September 21st, 2026
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Security Engineer — FinTech AI & Cloud Security

Company IconSaturn
Location IconLondon

Saturn is a Series A fintech building the AI-native operating system for financial advice. As a Security Engineer, you’ll own the security of critical systems handling real client data and regulated workflows across applications, cloud infrastru...Read More>>.

Posted: September 21st, 2026
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Application Security Engineer, Amazon Application Security

Company IconAmazon
Location IconLondon

DescriptionAt Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security across all of Amazon’s produ...Read More>>.

Posted: September 22nd, 2026
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Cyber Security Engineer (DLP)

Company IconBonhill Partners
Location IconLondon

Location: London, UKSalary: Up to £120kRequirementsStrong experience in cybersecurity engineering within complex, large-scale enterprise environments.Proven hands-on expertise across Data Security and C...Read More>>.

Posted: September 23rd, 2026
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Cloud Application Security Engineer

Company IconAmazon
Location IconLondon

Amazon Development Centre (London) Limited is seeking an Application Security Engineer to help safeguard our rapidly evolving products and services. You will perform security reviews, design secure architectures, and conduct threat modeling while...Read More>>.

Posted: September 23rd, 2026
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Senior GCP Security Engineer – Secure Cloud Foundations

Company IconEngine by Starling
Location IconLondon

Engine by Starling seeks a senior GCP Security Engineer to own security foundations across our Google Cloud Platform environment. You will collaborate with Information Security, Infrastructure and engineering teams to design, implement, and automa...Read More>>.

Posted: September 23rd, 2026
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Security Engineer - IAM - £90K

Company IconOliver Bernard
Location IconLondon

Our client is one of the world’s leading market data and trading analytics firms – Building cutting edge analytical solutions for banks, brokers and hedge funds around the world.With hybrid working in their Canary Wharf office, they’r...Read More>>.

Posted: September 24th, 2026
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Senior Product Security Engineer

Company IconDojo
Location IconLondon

We’re reinventing payments. In less than four years, Dojo disrupted the market to become the largest and most loved acquirer in the UK. Our payments infrastructure, purpose-built for in-person commerce, is game changing. Now, ov...Read More>>.

Posted: September 24th, 2026
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AI Security Engineer: Secure AI & Threat Modeling

Company IconBrunswickgroup
Location IconLondon

Brunswick is seeking a Security Engineer to join our Information Security team and help securely adopt AI and emerging technologies. You will review AI tools, provide security input and risk-based guidance across AI-enabled apps and enterprise pla...Read More>>.

Posted: September 24th, 2026
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Senior Product Security Engineer: Secure-by-Design & Scaleup

Company IconDojo
Location IconLondon

Dojo is hiring a Product Security Engineer to strengthen the security of our payments platform and guide secure-by-design practices across product development. You will partner with engineering to balance risk with business goals and shape next-ge...Read More>>.

Posted: September 25th, 2026
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Senior AI Security Engineer - Secure AI at Scale

Company IconKi
Location IconLondon

Ki, the global algorithmic insurer, seeks a Senior Application Security Engineer in London to securely scale AI-driven insurance platforms. You will design cloud-native guardrails, mentor teams, and integrate security into the SDLC across GCP and...Read More>>.

Posted: September 25th, 2026
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Product Security Engineer: Secure DevOps for Cloud

Company IconSelby Jennings
Location IconLondon

Selby Jennings is seeking a Product Security Engineer to join its Security team, operating at the intersection of security, software engineering, and infrastructure in a highly technical environment. The role partners with software and infrastruct...Read More>>.

Posted: September 26th, 2026
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UK Information Security GRC Analyst – Governance, Risk & Assurance

Company IconPCI Pal
Location IconLondon

PCI Pal is seeking an Information Security GRC Analyst (UK-based) to strengthen its central Information Security function by delivering governance, risk and compliance analysis across audit, assurance, control management and strategic change. The...Read More>>.

Posted: September 26th, 2026
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