326 to 350 of 549 Security Engineer Jobs in London

Founding Security Engineer: Build Security for AI Litigation

Location
Greater London, England, United Kingdom
Wexler in London is seeking a hands-on security leader to own the security program across infrastructure, product, and compliance. You will work closely with engineering, operations, and leadership to ensure we are secure and demonstrably so to our customers. You’ll embed secure-by-design practices, monitor ...

Staff Security Engineer: AI Platform & Compliance Lead

Location
Greater London, England, United Kingdom
Flow Engineering is seeking a Staff Software Engineer to own security for its AI-native platform, used by defense and aerospace customers. You will define the security architecture, harden the platform, and drive the compliance posture while leading how we secure AI and agentic workflows. This … first dedicated security hire, responsible for incident response, security tooling, and collaborating with sales to accelerate security reviews and customer trust. #J-18808-Ljbffr ...

Azure Cloud Security Engineer — Defender, Sentinel & SIEM

Location
City Of London, England, United Kingdom
Barclay Simpson is seeking a Cloud Security (Azure) Engineer in central London to ensure the Azure estate is secure, monitored, and compliant. You will deliver security integration projects, provide technical guidance to cloud teams, and automate controls using Defender for Cloud, Sentinel, and Entra ID. Visa sponsorship … available. The role requires strong security engineering skills, hands-on Azure experience, scripting ability, and familiarity with Wiz. #J-18808-Ljbffr ...

Platform Engineer – Artifact Management and Software Supply Chain Security

Location
Greater London, England, United Kingdom
Platform Engineer – Artifact Management and Software Supply Chain Security London, United Kingdom | Posted on 10/29/2026 Platform Engineer – Artifact Management and Software Supply Chain Security Your Role Are you experienced in enterprise artifact platforms and motivated to improve software supply-chain security, integrity, and traceability? We are seeking a Platform Engineer to secure and operate enterprise artifact and open-source services. Engineer and operate enterprise repositories and registries for packages, binaries, container images and build outputs. Define standards for repository structure, retention, access, immutability, traceability, and auditable artifact promotion ...

Senior AppSec Engineer: Pen-Testing & AI Security

Location
Greater London, England, United Kingdom
Brex is seeking a Senior Application Security Engineer to identify and remediate vulnerabilities across the Brex platform. You will perform code reviews, penetration testing, and tooling development to support secure developer workflows. You will collaborate across Security Operations, GRC, Product Security, Front End Platform … Infrastructure, applying threat modeling, SAST/DAST, and agentic AI security to protect a global financial service used by top customers. #J-18808-Ljbffr ...

Lead Infrastructure Engineer - Proxy/SSE Network Security (Corporate Sector)

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
client is a leading global investment bank. JOB DESCRIPTION Lead Software Engineer - Proxy/SSE Network Security As a Lead Software Engineer at our client within the Corporate Sector - Enterprise Technology, youare an integral part of an agile team that works to enhance, build, and deliver trusted … critical technology solutions across multiple technical areas within various business functions in support of the firm's business objectives. Job responsibilities Executes creative Network security software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems ...

Lead Infrastructure Engineer - Proxy/SSE Network Security (Corporate Sector)

Location
London, United Kingdom
client is a leading global investment bank. JOB DESCRIPTION Lead Software Engineer - Proxy/SSE Network Security As a Lead Software Engineer at our client within the Corporate Sector - Enterprise Technology, you are an integral part of an agile team that works to enhance, build, and deliver … critical technology solutions across multiple technical areas within various business functions in support of the firm's business objectives. Job responsibilities Executes creative Network security software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems ...

Founding Infrastructure & Security Engineer Infrastructure · London (Paddington), hybrid Read

Location
Greater London, England, United Kingdom
handle its data before it lets us near it. Today the engineers who build the product also run the infrastructure and answer the security questions. You would own the platform and the controls behind those answers, as the first person whose whole job is this. Why this role … Seisa holds a firm’s most confidential material: deal memos, data rooms, partner email. What we tell a firm’s security team has to be true and backed by evidence, and this is the role that makes it so. It is the seat we most need to fill. What ...

Resident Security Integration Engineer

Location
Wembley, England, United Kingdom
Compensation: GBP 60,000 - GBP 65,000 - yearly Company Description At Securitas Technology, we’re more than just a security solutions provider—we’re innovators, problem-solvers, and industry leaders dedicated to protecting what matters most. With clients at the heart of all we do, our people, knowledge … technology power our connected ecosystem of health, safety and security solutions and services. The role... The Resident Security Integration Engineer will be, responsible for the maintenance, troubleshooting, and support of physical security systems and associated hardware. The role currently supports sites across the EMEA region. ...

Security Engineer, AI SaaS — SOC 2 & Incident Response

Location
Greater London, England, United Kingdom
Crimson is hiring a security leader/engineer to own the continued evolution of our security programme. You will work closely with the founders and engineering team to ensure our security posture keeps pace with rapid product development and enterprise adoption. Based in London … York, this full-time role requires hands-on security across cloud, application and data, with direct engagement in threat modelling, incident response and customer security reviews. Equity is offered. #J-18808-Ljbffr ...

Founding Security Engineer - Build Enterprise Security

Location
Greater London, England, United Kingdom
leading AI legal tech firm in London seeks a dedicated security hire to shape and own its security program across infrastructure and product. The successful candidate will monitor systems, ensure strong compliance, and integrate security practices into operations. Applicants should have experience with security tooling ...

Senior Infrastructure Security Engineer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Senior Infrastructure Security EngineerLondon – Industry leading compensation – HybridA high-performance trading firm is expanding the team responsible for the resilience and protection of its internal technology estate. This is a hands-on engineering role for someone who understands how Windows behaves beneath the surface and can turn that knowledge … into practical security improvements. You will work across infrastructure, identity and endpoint security, building solutions rather than simply operating products. The environment is technically demanding, highly automated and designed around reliability, so the focus is on controls that are measurable, maintainable and effective at scale. What you will ...

Lead Infrastructure Engineer - Proxy/SSE Network Security (Corporate Sector)

Hiring Organisation
Hackajob Ltd
Location
Westminster, Greater London, UK
sure to apply fast, as a high volume of applications is expected Scroll down to read the complete job description. JOB DESCRIPTION Lead Software Engineer - Proxy/SSE Network Security As a Lead Software Engineer at our client within the Corporate Sector - Enterprise Technology … critical technology solutions across multiple technical areas within various business functions in support of the firm's business objectives. Job responsibilities Executes creative Network security software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems ...

Security Engineer: Secure-by-Design & Cloud Security Lead

Location
Greater London, England, United Kingdom
Surevine is hiring for a security-focused role to own security across our corporate estate, cloud environments, and the standards we follow. You will work with engineering to ensure secure-by-design outcomes while avoiding policy-only approaches. Ideal candidates have 3–5 years in security, with … hands-on experience in ISO 27001, cloud security, and risk management. The role offers growth into client-facing work and active collaboration with our CISO. #J-18808-Ljbffr ...

Solutions Engineer - Security

Hiring Organisation
Client Server
Location
Camden, London, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
Solutions Engineer/Pre-Sales Consultant London/WFH to £90k + OTE Are you a Solutions Engineer with technical pre-sales experience? You could be progressing your career, working on cutting edge security/encryption products at a successful and expanding software house that provide cyber … security products to a range of finance, government, defence, law enforcement and pharmaceutical companies click apply for full job details ...

Senior DevSecOps Engineer for Cloud-Native Trading Security

Location
Greater London, England, United Kingdom
Smarkets is seeking a hands-on Security Engineer to lead the founding security build for our cloud-native trading environment. You will stand up security engineering from the ground up through go-live and scale, partnering with Infrastructure and Engineering to deploy controls, automation, and guardrails … that keep our trading systems secure and compliant. You will design and implement security guardrails across cloud platforms, automate processes as code, and work with auditors/regulators to #J-18808-Ljbffr ...

Security Engineer - Lead Architect

Location
City Of London, England, United Kingdom
committed to protecting and safeguarding your Personal Data. We have developed policies and processes which are designed to provide for the security and integrity of your Personal Data. We are committed to Processing your Personal Data fairly and lawfully, and being open and transparent about such Processing. For further … source components, both enabling day-to-day research and development, and supporting our 24hr trading. With adoption of AI-agents we are investing in security as a first-class concern. Man has a sophisticated AI platform – MAIA – that offers the best foundation models on our modern technology stack. ...

Global Application Security & Vulnerability Engineer

Location
Greater London, England, United Kingdom
Universal Music Group is seeking an experienced Application Security Engineer to join our Vulnerability Management program in London. You will drive remediation of IT vulnerabilities across a global enterprise, communicate risk to stakeholders, and work with cloud and on-prem infrastructure to enhance security postures. The role ...

Senior DevSecOps & Platform Security Engineer

Location
Greater London, England, United Kingdom
Hiya seeks a DevSecOps Engineer to lead security maturation across engineering. You will design platform-based security tools and enable secure software delivery with velocity, partnering with Core Tech, Product, and leadership. You’ll balance high-level strategy with hands-on execution, promoting a platform mindset ...

Senior Security Systems Engineer: Projects Interface Lead

Location
Greater London, England, United Kingdom
Carrington West is seeking a Senior Security Systems Engineer or Security Consultant to manage formal interfaces across major rail projects, including HS2, with hybrid working in Birmingham or London. The role focuses on integrating Access Control, CCTV, and Intruder Detection Systems within structured project processes, coordinating multiple ...

Senior Mobile & App Security Engineer - Hands-On Impact

Location
Greater London, England, United Kingdom
Arcus Search is seeking two Senior Security Engineers focused on mobile application security to raise the security bar across our mobile and backend platforms. This hands-on role collaborates with product managers and engineering teams to identify, design, and implement effective security controls throughout the development … lifecycle. Ideal candidates have proven experience in application security or mobile engineering, knowledge of mobile-to-API interactions, and hands-on ability to work #J-18808-Ljbffr ...

Apprentice Security Engineer

Hiring Organisation
METRO SECURITY (GB) LTD
Location
UNIT 5 TRADE CITY, ASHTON ROAD, ROMFORD, ESSEX, England, United Kingdom
Employment Type
Advanced Apprenticeship
Salary
£15,600 a year
Throughout this apprenticeship you will learn how to install, maintain and fault find on a range of security systems. Role As an apprentice, you'll work alongside experienced engineers to install, maintain and fault-find on the following systems: Access Control Video Surveillance Intruder Alarms This is a hands … various environments. Training This is where you'll learn the skills that employers actually want. Your apprenticeship training is delivered by Skills for Security, specialists in fire and security training. You’ll train through block release at our Dagenham centre, for one week every eight weeks (Tuesday–Friday ...

Field Security Projects Engineer – Access Control & CCTV

Location
City Of London, England, United Kingdom
Mitie Group plc. is seeking an ambitious Security Engineer for our Technology Projects division. This field-based role covers the UK, and you will help install and maintain Security/Access Control Systems for major Utility clients, traveling to sites nationwide. You will diagnose faults, install bespoke … systems, and perform planned maintenance, ensuring high standards of service, security, and client satisfaction across the portfolio. #J-18808-Ljbffr ...

Software Engineer, Security & AI-Driven DevOps

Location
Greater London, England, United Kingdom
Board Intelligence is seeking a Software Engineer to lead security across our engineering teams. This role reports to senior security leadership and partners with the CTO and CISO to raise the bar on secure development. The position spans building foundations, then expanding to AI-enabled testing … applications. You will integrate security tooling into pipelines, drive secure design practices, and mentor engineers to embed security as a core capability across the product suite. #J-18808-Ljbffr ...

Security Engineer, Compliance Focus

Location
Greater London, England, United Kingdom
hundreds. About The Role Volta builds and operates large scale GPU compute infrastructure for frontier AI customers. Those customers hold us to real security obligations, written into contracts with dates attached, and our lenders and investors examine our security posture as part of financing. Compliance here … across a company that is scaling quickly, operating multi-tenant infrastructure in several countries, and deploying into partner data centers. The Senior Manager, Cyber Security Engineering owns that program, its scope, and its direction. You are the engineer who makes it work in practice: implementing and evidencing controls ...