Senior Security Engineer

Company IconCMG (Capital Markets Gateway)
Location IconLondon

Capital Markets Gateway LLC (CMG) is a financial technology firm, uniquely focused on the equity capital markets (ECM), connecting investors and underwriters via a neutral platform. CMG delivers integrated ECM data and analytics, unrivaled tran...Read More>>.

Posted: August 10th, 2026
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Senior Security Engineer

Company IconCapital Markets Gateway
Location IconLondon

The Company Capital Markets Gateway LLC (CMG) is a financial technology firm, uniquely focused on the equity capital markets (ECM), connecting investors and underwriters via a neutral platform. CMG delivers integrated ECM data and...Read More>>.

Posted: August 10th, 2026
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Senior Security Engineer

Company IconSpendesk
Location IconLondon

Spendesk is building the leading spend management platform for modern businesses, processing billions of euros across Europe and beyond. Security is at the heart of what we do, and we’re committed to raising the bar for security in fintech....Read More>>.

Posted: August 10th, 2026
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Senior Security Engineer

Company IconPay.UK
Location IconLondon

Senior Security Engineer - 12 Months FTC Join Pay.UK as a Senior Security Engineer and help protect the systems that support everyday payments across the UK. This role provides an opportunity to put advanced security engineering skills...Read More>>.

Posted: August 10th, 2026
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Senior Security Engineer

Company IconSLAMcore
Location IconLondon

Since being founded in 2018, Copper has been building the standard for institutional digital asset infrastructure with a focus on custody, collateral management, and prime services. Led by Amar Kuchinad, Copper's Global CEO, the firm pro...Read More>>.

Posted: August 10th, 2026
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Security Engineer London

Company IconGranola inc
Location IconLondon

Hey! We're team Granola If you haven't already, you should check out what we're building, and why you should work here. In this role, you will be responsible for identifying and mitigating security vulnerabilities within Granola's applic...Read More>>.

Posted: August 17th, 2026
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Senior Security Engineer

Company IconCybanetix
Location IconLondon

Senior Security Engineer, Governance, Risk and Compliance (London) London, England, United Kingdom Seniority level: Mid‑Senior level Employment type: Full‑time Job function: Information Tec...Read More>>.

Posted: August 17th, 2026
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Senior Security Engineer

Company IconTeya
Location IconLondon

Get AI-powered advice on this job and more exclusive features.Teya is a payment and software service provider, headquartered in London serving small, local businesses across Europe. Founded in 2019, we build easy to use, integrated tools th...Read More>>.

Posted: August 17th, 2026
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Mobile Security Engineer

Company IconTechnopride Ltd
Location IconBristol

City of Bristol, United Kingdom | Posted on 03/11/2025 We provide end-to-end IT solutions and services including Applications services, Data & Analytics services, AI/ML Technologies and Professional services in the UK and EU market....Read More>>.

Posted: August 17th, 2026
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Information Security Engineer

Company IconMedpace
Location IconLondon

The Information Security team defends the company’s digital infrastructure by designing, implementing, and improving the organization’s cybersecurity architecture. This is a critical role responsible for protecting infrastructure, cloud, ed...Read More>>.

Posted: August 17th, 2026
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Cyber Security Engineer

Company IconPathfinder - IT Recruitment
Location IconLondon

Base pay rangeCyber Security Engineer - Project Delivery – PermanentUp to £60,000 DOE, London – HybridJoin a leading MSP’s Cyber Security Projects team as a Project Delivery Cyber Security Engineer, working on...Read More>>.

Posted: August 17th, 2026
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Fire & Security Engineer

Company IconVenatu Recruitment Group
Location IconLondon

Overview Venatu Recruitment are proud to announce that a new client of ours are now in the market for a new Fire & Security professional to join them. We are seeking an experienced Fire and Security Engineer in and around London on beh...Read More>>.

Posted: August 17th, 2026
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Offensive Security Engineer

Company IconLSEG
Location IconLondon

Role Summary This opportunity within the Offensive Security Operations team is a crucial role for the management of vulnerability discovery, offensive testing and remediation activities across the group which protects the business from...Read More>>.

Posted: August 17th, 2026
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Cyber Security Engineer

Company IconMorgan Hunt UK Limited
Location IconLondon

Cyber Security Engineer Housing Association 12-Month FTC Up to £65,000 Hybrid - Farringdon Morgan Hunt is delighted to be partnering with a leading Housing Association to recruit an experienced Cyber Securi...Read More>>.

Posted: August 21st, 2026
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Senior Security Engineer

Company IconJust Eat Takeaway.com
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.Ready for a challenge? Then Just Eat Takeawa...Read More>>.

Posted: September 2nd, 2026
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Cloud Security Engineer

Company IconFin. The highest performing Customer Agent
Location IconLondon

Fin is the AI Customer Agent company on a mission to help businesses provide perfect customer experiences. Our AI Agent Fin is the highest-performing AI Customer Agent on the market today, enabling businesses to deliver impeccable, alway...Read More>>.

Posted: September 2nd, 2026
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Cyber Security Engineer

Company IconPrivalgo
Location IconLondon

Privalgo is an FCA-authorised international payments and foreign exchange specialist, helping businesses send, receive, manage and optimise cross‑border payments worldwide. Founded in 2018 and headquartered in London, Privalgo combines innova...Read More>>.

Posted: September 14th, 2026
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AI Security Engineer

Company IconUndisclosed
Location IconLondon

AI Security Engineer, Hedge Fund, London (100% office-based) We are working with a fast-growing fixed income hedge fund who are looking to hire a security engineer (AI) to support their expanding operation. There is subtle buzz about t...Read More>>.

Posted: September 14th, 2026
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Application Security Engineer

Company IconFin. The highest performing Customer Agent
Location IconLondon

Fin is the AI Customer Agent company on a mission to help businesses provide perfect customer experiences. Our AI Agent Fin is the highest-performing AI Customer Agent on the market today, enabling businesses to deliver impeccable, alway...Read More>>.

Posted: September 14th, 2026
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Security Engineer - Product

Company IconWiz
Location IconLondon

Come join the organization that is redefining security for the AI era. As one of the fastest-growing startups ever, we enable teams to secure cloud and AI applications by connecting code, cloud, and runtime into a single shared context. Trusted...Read More>>.

Posted: September 14th, 2026
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Application Security Engineer

Company IconSimply Business
Location IconLondon

Who Are We? We insure small businesses and enable big dreams - not just for our customers, but for our people and communities too. With over 1,000,000 active insurance policies, we protect builders, bakers, landlords and more than 1,20...Read More>>.

Posted: September 14th, 2026
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Staff Security Engineer

Company IconEngineersOfAI
Location IconLondon

About us Founded in 2017, Wayve is the leading developer of Embodied AI technology. Our advanced AI software and foundation models enable vehicles to perceive, understand, and navigate any complex environment, enhancing the usab...Read More>>.

Posted: September 14th, 2026
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Lead Security Engineer

Company IconJPMorganChase
Location IconLondon

Join us and shape the future of secure software delivery. As a Lead Security Engineer, you’ll work at the intersection of security and platform engineering, designing impactful solutions that enable teams to move fast while managing risk. You...Read More>>.

Posted: September 14th, 2026
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Staff Security Engineer

Company IconCFC
Location IconLondon

Staff Security Engineer Department: CISO Employment Type: Permanent - Full Time Location: UK - London At CFC, technology is at the heart of everything we do. As a market leader in cyber insuran...Read More>>.

Posted: September 14th, 2026
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Staff Security Engineer

Company IconCFC Underwriting
Location IconLondon

Staff Security Engineer At CFC, technology is at the heart of everything we do. As a market leader in cyber insurance and a business built on innovation, we’re looking for a Staff Security Engineer to play a critical role in evolving...Read More>>.

Posted: September 14th, 2026
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Product Security Engineer

Company IconCloudflare
Location IconLondon

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individ...Read More>>.

Posted: September 14th, 2026
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Junior Security Engineer

Company IconCybanetix
Location IconLondon

OverviewLocation: UK (remote/hybrid, with up to one day per week in central London)Stack:SIEM: Microsoft Sentinel, or similarEDR/XDR: Defender, SentinelOne, CrowdStrike or equivalentCloud/Pla...Read More>>.

Posted: September 14th, 2026
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Application Security Engineer

Company IconThe Pokémon Company International
Location IconLondon

Get to know The Pokémon Company International The Pokémon Company International manages the Pokémon property outside of Asia and is responsible for brand management, licensing and marketing, the Pokémon Trading Card Game, the anima...Read More>>.

Posted: September 14th, 2026
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Network Security Engineer

Company IconCACI Network Services
Location IconLondon

About CACIFrom our headquarters in London, we're busy empowering organisations to make bold, strategic moves with the power of data and technology. Founded in 1975, our operations take place from multiple offices across the UK, Europe...Read More>>.

Posted: September 15th, 2026
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Application Security Engineer

Company IconWriter
Location IconLondon

This is where security meets innovation at enterprise scale. As a security engineer, applications at WRITER, you’ll be building the security foundations that protect the AI systems powering some of the world’s most recognizable brands...Read More>>.

Posted: September 16th, 2026
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Physical Security Engineer

Company IconNscale
Location IconLondon

The Physical Security Engineer provides regional engineering leadership for physical security systems throughout the planning, design, construction, and commissioning lifecycle. This role ensures every new data center is designed and deployed i...Read More>>.

Posted: September 18th, 2026
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Founding Security Engineer

Company IconPear VC
Location IconLondon

About Wexler Wexler is building the best AI system for litigation on the planet. We work with some of the world’s largest law firms, helping them to solve their most complex cases, find the winning strategy in each matter, and create...Read More>>.

Posted: September 18th, 2026
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Information Security Engineer

Company IconFreshfields
Location IconLondon

We are seeking a passionate Security Specialist with hands-on experience in working with all aspects of Azure, M365, and preferably Google Cloud Platforms (GCP). Aside from infrastructure, the candidate should have experience and working knowle...Read More>>.

Posted: September 21st, 2026
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Network Security Engineer

Company IconHamilton Barnes ?
Location IconLondon

Do you want to work for a global quant trading firm?You will be working with an organisation that is known for the quickest and most technologically advanced infrastructure in the world. You will work with people that are passionate abou...Read More>>.

Posted: September 21st, 2026
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Security Engineer - Product

Company IconUnited States Digital Space LLC
Location IconLondon

Come join the organization that is redefining security for the AI era. As one of the fastest-growing startups ever, we enable teams to secure cloud and AI applications by connecting code, cloud, and runtime into a single shared context. Trusted...Read More>>.

Posted: September 21st, 2026
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Network Security Engineer

Company IconOpticoreIT
Location IconLondon

Opticore IT is a specialist Network Engineer and Project Management consultancy offering a wide variety of opportunities to work within fast-paced, challenging environments across our client base spanning multiple sectors including Finance, Bro...Read More>>.

Posted: September 21st, 2026
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Cyber Security Engineer

Company IconGravitas Group
Location IconLondon

Cyber Security Engineer 12-Month FTC | Up to c. £75,000 | Hybrid: 1 day/week in South London We are currently partnering with a client who are seeking a Cyber Security Engineer to help drive several key security initiatives a...Read More>>.

Posted: September 21st, 2026
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Data Security Engineer — Purview & SaaS Governance

Company IconFSP
Location IconGlasgow

FSP is a leading consultancy specialising in Digital, Security and AI solutions. Our success is enabled by our unwavering commitment to excellence, our people centric culture alongside best-in-class operations, ensuring impactful and sustainable o...Read More>>.

Posted: September 22nd, 2026
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Graduate security engineer

Company IconBending Spoons
Location IconLondon

At Bending Spoons, we're striving to build one of the all-time great companies. A company that serves a huge number of customers. A company where team members grow to their full potential. A company that functions at unparalleled levels of effe...Read More>>.

Posted: September 22nd, 2026
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Senior Security Engineer

Company IconMixpanel, Inc.
Location IconLondon

Mixpanel is the leading product intelligence and analytics platform, trusted by more than 29,000 companies to help understand how people use the products they build. By combining powerful analytics with AI that knows your business, Mixpanel hel...Read More>>.

Posted: September 22nd, 2026
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Product Security Engineer

Company IconArrows
Location IconLondon

One of London’s fastest-growing AI companies is looking for a Senior Software Security Engineer to help build security directly into its product and engineering environment.This isn’t a traditional InfoSec position. They’re looking...Read More>>.

Posted: September 22nd, 2026
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Application Security Engineer

Company Iconintercom
Location IconLondon

Fin, now part of Salesforce, is on a mission to help businesses provide perfect customer experiences. Our AI Agent Fin is the highest-performing AI Customer Agent on the market today, enabling businesses to deliver impeccable, always-on...Read More>>.

Posted: September 24th, 2026
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Sales Security Engineer

Company Iconwppmedia
Location IconLondon

About WPP MediaWPP is the trusted growth partner for the world’s leading brands. With exceptional talent, trusted data and intelligence, and world-class partnerships – all united by ourpioneeringagentic marketing platform, WPP Open...Read More>>.

Posted: September 24th, 2026
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Cloud Security Engineer

Company Iconintercom
Location IconLondon

Fin, now part of Salesforce, is on a mission to help businesses provide perfect customer experiences. Our AI Agent Fin is the highest-performing AI Customer Agent on the market today, enabling businesses to deliver impeccable, always-on...Read More>>.

Posted: September 24th, 2026
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Cyber Security Engineer

Company IconDGH Recruitment
Location IconLondon

DGH Recruitment are currently recruiting on behalf of a leading client in the Real Estate industry who require a Cyber Security Engineer to join the firm in London on a 12 month fixed term basis.Key Responsibilities:Work wi...Read More>>.

Posted: September 24th, 2026
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Cyber Security Engineer

Company IconChurch International
Location IconLondon

Category: Security & Business ContinuityOurclientprovidesitsserviceswithinaregulatedindustry. Thispositioniscrucialinimplementingandmaintainingrobustsecuritymeasuresacrosstheirinfrastructure,aswellasmanagingincidentresponse.Theroleinvolvesd...Read More>>.

Posted: September 26th, 2026
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AI Security Engineer

Company IconJanus Henderson Group
Location IconLondon

Select how often (in days) to receive an alert: A career at Janus Henderson is more than a job, it’s about investing in a brighter future together. Our Mission at Janus Henderson is to help clients define and achieve superior f...Read More>>.

Posted: September 26th, 2026
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Principal Application Security Engineer - Global Impact

Company IconRX Global
Location IconRichmond

RX Global is seeking a Principal Application Security Engineer to lead application security across its global technology estate. You will partner with engineering leadership to embed security by design and enable teams to deliver secure software a...Read More>>.

Posted: September 27th, 2026
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Senior Network Security Engineer | Cloud & Hybrid

Company IconUndisclosed
Location IconKnutsford

Undisclosed is seeking an experienced Network Security Engineer to design, implement, and secure enterprise network infrastructure across on-premises, cloud and hybrid environments. The role focuses on automation, secure connectivity, and regulato...Read More>>.

Posted: September 27th, 2026
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Cyber Security Engineering Lead - Strategy & Risk

Company IconAviva
Location IconLondon

Aviva is seeking a Cyber Security Engineering Manager to lead our Security Engineering Maintain team and keep Aviva’s technology estate secure. You’ll influence senior stakeholders, shape security controls and drive risk‑based decisions acro...Read More>>.

Posted: September 27th, 2026
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