LemFi is building a borderless fintech platform with multi-currency accounts and cross-border payments. This security role sits at the intersection of security engineering, operations, and compliance, shaping the controls for SOC 2, ISO 27001, PCI...Read More>>.

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CMC Markets is seeking a Senior Network & Security Engineer to enhance our global network infrastructure in London. This role is crucial for ensuring high performance and security across our on-premise and cloud environments, supporting critical t...Read More>>.

Mizuho is hiring a security engineer for their Proactive Security team, focusing on developing a security technology stack for threat mitigation. Key responsibilities include maintaining threat models, assessing new projects for security controls,...Read More>>.

LSEG is seeking a Senior Associate to join their Offensive Security Operations team, focusing on vulnerability discovery and remediation against cyber threats. The role involves coordinating with vendors and managing penetration testing programmes...Read More>>.

Swift, the global leader in secure financial messaging, seeks a frontier AI security researcher to run AI/LLM–driven vulnerability discovery against SWIFT codebases and integrate AI-assisted detection into development workflows.Required a...Read More>>.

Housing Association is seeking a Cyber Security Engineer to design, implement and maintain cyber security capabilities. You will work across Microsoft security technologies, IAM, vulnerability management, incident response and cloud security, prov...Read More>>.

RED, an international M&E consultancy, seeks a Senior ICT & Security Engineer to be based in London, Bicester or Newcastle. You will lead medium-scale projects, perform cost and profit diagnosis, and represent the company in technical meetings....Read More>>.

Nscale is seeking a Physical Security Engineer to lead regional engineering for physical security across the planning, design, construction, and commissioning of data centers. You will ensure deployments meet global security standards and serve as...Read More>>.

Enfint ищет инженера по обеспечению безопасности приложений для разработки и эволюции безопасной платформы ИИ. Роль включает моделирова...Read More>>.

Mizuho EMEA is seeking a Cyber Security Engineer at the Assistant Vice President level to advance threat detection, threat hunting, and security automation within our Proactive Security team in London. The role emphasizes building and refining sec...Read More>>.

Undisclosed in London is seeking an experienced AI Security Engineer to lead foundational security for an AI-driven hedge fund. This is the first security hire, with broad autonomy to shape strategy, processes and tooling across the firm.Yo...Read More>>.

At Tain, we are seeking a Senior Security Engineer (Infrastructure) to strengthen security across cloud and on‑prem environments. The role collaborates with INO, Corporate IT and Platform Engineering to enforce scalable controls, improve visibil...Read More>>.

Anduril Industries in Greater London is seeking a Staff Product Security engineer to develop security tooling, assess vulnerabilities, and harden our embedded and AI-enabled platforms. You will conduct architecture reviews, threat modelling, and c...Read More>>.

Anduril Industries seeks a Senior Product Security engineer to develop novel security tooling, discover vulnerabilities, and secure our AI-enabled and autonomous systems. You will perform architecture reviews, analyze firmware and software, and co...Read More>>.

Anduril Industries is seeking a Senior Product Security engineer to develop novel security tooling, discover vulnerabilities, and secure our suite of technologies including AI systems, command and control platforms, aerospace vehicles, and long ra...Read More>>.

iProov is seeking an experienced Senior iOS Security Engineer to join our Product Security team in the UK. You will focus on hardening iOS apps and SDKs, implement RASP and anti-tamper controls, and defend biometric verification workflows.C...Read More>>.

Anduril Industries seeks a Staff Product Security engineer to build security tooling, identify vulnerabilities, and safeguard our AI, command and control, aerospace, and sensing technologies.You will review architectures, perform threat mod...Read More>>.

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At Engine by Starling, we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology. Engine is Starling's software-as-a-service (SaaS) business, th...Read More>>.

Engine by Starling is seeking an experienced Senior GCP Security Engineer to join the Security Engineering team. You will own the security foundations of our Google Cloud Platform environment and work on automation, security controls, and GKE hard...Read More>>.

At Engine by Starling, we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.Engine is Starling's software-as-a-service (SaaS) business, the...Read More>>.

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Jas Gujral is seeking a Senior Network Engineer with a strong security background focused on Cisco implementations in the City of London. The role combines BAU support with design of scalable, secure networking solutions across data centre and bra...Read More>>.

At Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology. Engine is Starling's software-as-a-service (SaaS) business, t...Read More>>.

Dianaduggan in London seeks an IAM Security Engineer on a 6-month contract to design, build, and manage access control systems across cloud and on-premise environments. You will work with cross-functional teams to implement IAM roles, policies, an...Read More>>.

About The AI Security Institute The AI Security Institute is the world's largest and best-funded team dedicated to understanding advanced AI risks and translating that knowledge into action. We’re in the heart of the UK government wi...Read More>>.

CLS is the trusted party at the centre of the global FX ecosystem. Utilized by thousands of counterparties, CLS makes FX safer, smoother and more cost effective. Trillions of dollars’ worth of currency flows through our systems each day....Read More>>.

Opticore IT is seeking a Network Security Engineer to deliver project work for an enterprise broadcast media client. The role is a 12-month contract inside IR35, based in the London area with one day on site per week at White City.You will...Read More>>.

Becrypt Ltd is seeking developers to join its Linux-focused engineering team in the UK. The role emphasizes C/C++ programming, Python, and Bash scripting within an open Agile setting, contributing to secure endpoint technology.Candidates sh...Read More>>.

United States Digital Space LLC is seeking a Security Engineer for Product & Production Infrastructure in London to lead threat modeling, security reviews, and vulnerability management across cloud-native environments. You will collaborate with so...Read More>>.

Freshfields is seeking a Security Specialist with hands-on Azure and Google Cloud experience, plus SIEM and vulnerability management capabilities. The role encompasses cloud security assessment, Defender usage optimization, IAM/CA policy guidance,...Read More>>.

Intact Insurance, rebranded in the UK, Ireland and Europe, is expanding its Cyber Engineering function. The role focuses on delivering and maintaining security controls and platforms, collaborating with CISO and CIO teams, and ensuring compliance...Read More>>.

Apple is seeking an iOS Engineer to help build a Machine Learning based anti-fraud platform, and enhance security across Apple’s products and services. This role emphasizes strong curiosity in Fraud, Identification, Authentication, Security and...Read More>>.

ClearRoute is seeking a Senior Security Engineer to own agentic security testing across accounts, designing repeatable evaluation methods and guiding governance for agentic AI. You will work hands-on at first and grow into wider governance and men...Read More>>.

WRITER in London is seeking a security engineer to embed security into our AI platform at enterprise scale. You will partner with engineering teams to design secure architectures and automate protections across pipelines and models.This rol...Read More>>.

Nothing is seeking an experienced security engineer in London to own security across backend services and cloud platforms. You will define secure development standards, integrate SAST/DAST/SBOM into pipelines, and drive vulnerability management wi...Read More>>.

Ki — это компания, которая специализируется на алгоритмическом страховании и безопасности ИИ. Мы ищем инженера по безопасности, которы...Read More>>.

Fin, now part of Salesforce, is transforming customer service through AI-powered security. The Cloud Security team protects the platforms powering Fin, securing cloud environments and production systems that underpin every Fin customer interaction...Read More>>.

Royal & Sun Alliance Insurance Ltd is seeking a Cyber Engineer to support operation, maintenance and the continual improvement of security controls and platforms across the Cyber Operations and Engineering function. You will review changes against...Read More>>.

DGH Recruitment are recruiting on behalf of a leading client in the Real Estate sector to appoint a Cyber Security Engineer in London on a 12 month fixed term contract.You will work with the Cyber Security Manager and Senior Engineer to des...Read More>>.

Janus Henderson London is seeking a hands-on security engineer to secure AI systems, models, agents, and the platforms beneath them across their full lifecycle. You will define and evolve AI security standards, guardrails, and governance to enable...Read More>>.

Gravitas Group in the United Kingdom seeks a Cyber Security Engineer to join our Proactive Security team, focusing on building security tech stacks to mitigate threats with offensive and preventive measures. You will develop threat models, manage...Read More>>.

Spencer Rose Ltd. is urgently seeking 3 x Mobile Security Engineers for our Banking client, located in London or the South West. This is a 6+ month rolling contract with an ASAP start.Inside IR35 — day rate negotiable; London or Bristol w...Read More>>.

Brief info about Vinted Our mission is to make second-hand the first choice, and we’re looking for people who want to help us get there. Every day, we work together to help our members buy and sell pre-loved clothing and lifes...Read More>>.

CFC Underwriting in London is seeking a Principal Product Security Engineer to lead strategy and hands-on delivery of security across cloud platforms, code and CI/CD pipelines. This is a senior individual contributor role shaping security patterns...Read More>>.

Vinted is looking for a Staff/Senior Staff Security Engineer for Vinted Pay to own security across a multi-region AWS-based payments platform. You'll translate regulatory requirements into practical guardrails, drive technical controls, and lead c...Read More>>.

Meta's Security Engineering team is seeking a Security Engineer to help protect billions of users and Meta's global infrastructure from evolving threats. In this role, you will conduct security assessments, vulnerability research, and threat model...Read More>>.

We’re working with MJA (London) Limited, a growing cybersecurity startup in London, seeking a hands‑on Security Engineer who can build, automate and take genuine ownership across cloud security, AI and DevSecOps.The role is hands-on and...Read More>>.

Physical Security Engineer (Design) , Data Center Engineering Job ID: 10560710 | Amazon Development Centre (London) Limited - C26 AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global i...Read More>>.