226 to 250 of 549 Security Engineer Jobs in London

Senior Offensive Security Engineer

Hiring Organisation
DRW
Location
London, UK
Employment Type
Full-time
it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. About the RoleDRW is building out its offensive security capability, and we're looking for a Senior Offensive Security Engineer to lead the charge. In this role, you'll plan … cloud platforms, acting as a trusted adversary who helps us find and fix weaknesses before anyone else does. You'll work closely with our security, infrastructure, and trading teams to translate what you find into real improvements, and you'll help shape the methodology, tooling, and roadmap for offensive ...

Cyber Security Engineer — Hybrid Cloud & SIEM Expert

Location
Greater London, England, United Kingdom
Accenture PLC is seeking a Cyber Security Engineer to join its Security Engineering team in a hybrid environment, spanning cloud, on-premises and hybrid setups. You will design, implement, and maintain security solutions to safeguard client systems, applications and data. The role requires hands-on technical ...

Senior Security Engineer - AI-Driven Threat Detection

Location
Greater London, England, United Kingdom
Anaplan is seeking a Security Engineer to join the Security Operations team in London. You will design, build, and improve capabilities for detecting, investigating, and responding to threats. You’ll work at the intersection of engineering and operations to create scalable, automated security solutions. You will ...

Hybrid Security Engineer - Cloud, SIEM (London, 6m FTC)

Location
Greater London, England, United Kingdom
Walkers is seeking a Senior Security Engineer in London with strong Microsoft, Azure, cloud and enterprise security experience. The role involves building security controls for SIEM and PKI/BYOK integrations, and configuring Defender for Cloud and Purview across a complex environment. You will lead technical ...

Security Engineer: PenTesting, Cloud & SOC II Defender

Location
City of Westminster, England, United Kingdom
SafariCom is seeking a Security Engineer to lead the security posture of our application and protect it from threats. You will conduct penetration testing, secure cloud infrastructure, and drive SOC II control reviews. The role includes firewall management, backlog coordination in Jira, and cross-team security ...

Staff Software Security Engineer — Hybrid London

Location
Greater London, England, United Kingdom
Data Science Festival is hiring a Staff Software Security Engineer in London. The role sits within a security-first engineering culture, shaping security posture across applications and cloud infrastructure. You will embed secure practices throughout the SDLC and collaborate with software engineers and leadership. The position … offers hybrid work, high autonomy, and opportunities to influence security strategy as the company scales. #J-18808-Ljbffr ...

Lead Cloud Security Engineer — Drive Secure Public Cloud

Location
Greater London, England, United Kingdom
JPMorgan Chase, within the Cybersecurity & Technology Controls group, seeks a Cloud Security Engineer to ensure secure and compliant public cloud adoption. You will identify risks and guide technology teams with detail and strategic vision across security issues. You will lead risk-based assessments, shape control strategies … cloud platforms (AWS/GCP/Azure), mentor engineers, and collaborate with IAM and network security teams to raise the bar on security engineering. #J-18808-Ljbffr ...

Senior Network and Security Engineer

Hiring Organisation
CMC Markets UK Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
Markets is looking for an experienced Senior Network & Security Engineer to join our Technology team. This role plays a key part in designing, building and supporting our global network infrastructure, ensuring high performance, resilience and security across on-premise and cloud environments. You will work across both … optimisation Monitor network performance, capacity and availability, providing proactive support and troubleshooting Implement new network services in line with internal policies, standards and security requirements Identify, advise on and remediate network and security risks Maintain secure VPN connectivity with external partners, ensuring alignment with current best practices Perform ...

Security engineer, detection and response (UK)

Location
Greater London, England, United Kingdom
Capital, Salesforce Ventures, Adobe Ventures, Accenture, Citi Ventures, IBM Ventures, WndrCo, and others. Learn more at WRITER.com. About the role Join WRITER's security team as a staff detection and response engineer and help protect the AI infrastructure that's transforming how the world works. You'll build … platform, training data, and model deployments while creating automated response capabilities that scale with our explosive growth. This isn't just traditional security work – you're defending cutting‐edge AI/AGI systems against adversaries who are evolving their tactics as fast as AI itself advances. This role combines ...

Security Engineer — Web & Cloud Pentesting Expert

Location
City of Westminster, England, United Kingdom
Sarah's Cool Company is seeking a Security Engineer to manage the security posture of our software and protect against threats. You will conduct penetration tests, secure cloud infrastructure, and oversee SOC II controls while coordinating with the security team. Ideal candidates have 3+ years ...

Senior Information Security Engineer – Client-Facing

Location
Greater London, England, United Kingdom
LexisNexis Risk Solutions in London, at London Wall, is seeking a Senior Security Engineer I to manage security, compliance and risk assessments across internal and external stakeholders, including customers and regulators. You will lead security reviews, coordinate evidence for audits, and help implement frameworks such ...

Azure Cloud Security Engineer — Hybrid, IAM & Data Protection

Location
Greater London, England, United Kingdom
Cyro Cyber Ltd seeks a hands-on Cloud Security Engineer with strong Microsoft Azure and Microsoft 365 experience to implement, harden and assure cloud security controls. You will work within Cyro’s Cyber Security Architecture team to translate requirements into detailed designs and deliver secure, automated … deployments. The role covers Azure security domains such as identity, governance, networking, workload protection, logging and data protection, with emphasis on Privileged Identity Management #J-18808-Ljbffr ...

Senior Security Engineer - IAM, Cloud & ISO 27001 Leader

Location
Greater London, England, United Kingdom
Encord, a universal data layer for AI, is seeking a Lead Security Engineer to own and mature the security program across people, identities, devices, and cloud tools. You will be hands-on and also guide the security curriculum for the whole company. You will protect leadership … compliance, and collaborate with DevOps to secure a GCP-based environment. If you thrive in fast-moving startups with a strong security impact, this role is for you. #J-18808-Ljbffr ...

Cloud Security Control Engineer

Location
Greater London, England, United Kingdom
looking for an experienced Cloud Security Control Engineer to provide technical leadership and engineering support across cloud security controls within a complex enterprise technology environment. The role will focus on automating and standardising security controls, identifying and remediating vulnerabilities, supporting secure cloud architecture, and developing technical … solutions across AWS infrastructure. You will have experience in AWS security and infrastructure engineering, Python, Terraform, Open Policy Agent (OPA/Rego), DevOps/CI/CD and security controls . Role: Cloud Security Control Engineer Contract duration: 6 months initially (with scope to extend) Location ...

Senior Information Security Engineer: Incident Response Lead

Location
Greater London, England, United Kingdom
Houlihan Lokey UK Limited is seeking a Senior Information Security Engineer to join the global security team. You will defend endpoints, networks, cloud infrastructure, and identity systems; lead incident response, and help mature incident response playbooks across regions. You will design and implement security controls, coordinate … with IT and business units, and participate in on-call rotations to support a follow-the-sun security operation across offices worldwide. #J-18808-Ljbffr ...

Senior AI Security Engineer – Strategy & Governance

Location
Greater London, England, United Kingdom
Arcus Search in the United Kingdom is seeking a Senior Security Engineer – AI to lead security strategy for AI systems across development, deployment and governance. This full-time, on-site role targets petabyte-scale ML platforms and aims to embed security into every stage ...

Security Engineer: SIEM, Response & ISO Controls

Location
Greater London, England, United Kingdom
Olix Computing Ltd in Greater London is seeking a Security Engineer to own the security of the systems every OLIX employee depends on: identity, devices, email, collaboration tools and our cloud estate. You will own detection and response, harden tooling, run vulnerability management and build the controls … behind our ISO 27001 certification in 2027. This is a high-ownership role with the freedom to define how security engineering works at OLIX. #J-18808-Ljbffr ...

Senior Identity Security Engineer - AI-Driven Access Remote

Location
Greater London, England, United Kingdom
Scopely in London is seeking a Senior Identity Security Engineer to join our Information Security team on a remote basis or hybrid basis if located in Barcelona. You will build identity controls that reduce excessive privilege and protect critical operations across employee, player, business partner ...

Security Engineer — Web App Penetration & SOC II

Location
City of Westminster, England, United Kingdom
Ryen Hunsaker Demo is seeking a Security Engineer to manage our security posture and keep our application safe from threats. You will conduct penetration testing, secure cloud infrastructures, and lead SOC II controls with a hands-on approach to risk management. The role involves firewall management, incident ...

PKI Security Engineer - CLM, Cryptography, PQC

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£700.00 per day
client is an International Investment Bank who are urgently recruiting for a PKI Security Engineer with strong knowledge of Cryptography, Certificate Lifecycle Management (CLM) and familiarity with PQC (Post Quantum Cryptography) to play a key role on a business-critical Security Programme. The role will focus … wide Certificate Lifecycle Management (CLM) platform across multiple business entities, while helping shape the organisation's broader PKI and cryptography strategy. Working closely with security, infrastructure, cloud and application teams, you will drive certificate automation, strengthen security controls and support the organisation's future post-quantum cryptography readiness. ...

Solutions Engineer - Security

Hiring Organisation
Client Server
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
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. As a Solutions Engineer/Pre-Sales Consultant you'll combine technical expertise with commercial awareness, acting as a trusted advisor throughout the customer lifecycle, from pre-sales and solution design through to implementation ...

Agentic AI Security Engineer — Red Team & Governance

Location
Greater London, England, United Kingdom
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 mentorship across teams. You will map findings to OWASP, MITRE ...

Senior Cloud Security Engineer - AWS & SIEM

Location
London Borough of Islington, England, United Kingdom
Duco is seeking an experienced Senior Security Engineer (Cloud & SecOps) to own threat detection, response and prevention for our AWS-hosted SaaS platform. You will manage the SIEM and our managed SOC, define detection strategies and lead incident response while ensuring runtime security across our AWS estate. … will work with a cross-functional team in London and Wrocław, reporting to the Head of Information Security, and collaborate with Engineering, Platform and IT to maintain strong #J-18808-Ljbffr ...

AWS Cloud Security Engineer — Automation & IaC

Location
Greater London, England, United Kingdom
Diana Duggan is seeking an experienced Cloud Security Control Engineer for a hybrid role in London or Belfast. The engineer will lead and automate cloud security controls, focusing on AWS security, Python development and IaC with Terraform, while aligning with enterprise security requirements. ...

Security Engineer: Cloud, SDLC & DevSecOps Advocate

Location
Greater London, England, United Kingdom
Hedge Fund in London seeks a Cyber Security Engineer to join a small, high‐impact security team protecting critical trading, research, and corporate tech environments. You will work across infrastructure, cloud, applications, endpoints, and software engineering to mature security capabilities that directly support operations. The role … offers broad ownership and visibility, ideal for engineers who enjoy solving complex security challenges across multiple domains with a hands‐on approach and #J-18808-Ljbffr ...