Last updated: 2025-06-06

41 Cyber Security Engineering jobs in London.

Hiring now: Sr Product Security Engineer @ Galaxy, Open Positions @ Hack The B, Sr Security Engineer @ Kroo Bank, Product Security Engineer @ Ion, Application Security Engineer @ Palantir, Sr Application Security Engineer @ Blockchain, Security Engineer Incident Response @ Meta, Technical Specialist @ Snyk, Principal Security Engineer @ Capco, Software Engineer Security @ Gwi. Explore more at at jobswithgpt.com

🔥 Skills

application security (7) incident response (7) vulnerability management (6) Python (6) threat modeling (5) Incident Response (5) penetration testing (5) Cloud Security (4) cybersecurity (4) vulnerabilities (4)

📍 Locations

London (33)

Galaxy

At Galaxy we are building products and services to help the world invest in economic progress. We believe crypto and blockchain innovations will permeate and i…

Senior Product Security Engineer

London

  • Skills: Product Security, Application Security, Cloud Security, Threat Modeling, Risk Assessment, Authentication Technology, TLS, Network Security, Software Development, Security Certifications
  • Experience: 5 years work experience in product security, application security, cloud security, or software development of security features
  • Type: Full-time
  • Salary: Competitive base salary and discretionary bonus

Hack The Box

Hack The Box is a massive hacking playground, and infosec community of over 1.0m platform members who learn, hack, play, exchange ideas and methodologies. We a…

Open Positions

London

  • Skills: cybersecurity, hacking, training, gamified, offensive security, defensive security, international expansion, professional development, flexibility, wellbeing classes

Kroo Bank

Kroo Bank is a cutting-edge fintech company focused on technological innovations and unique digital services in the banking sector.

Senior Security Engineer

London

  • Skills: security measures, vulnerability management, security automation, secure coding, risk management, regulatory compliance, application security, network security, DevSecOps, cloud security architecture
  • Experience: At least 3 years of experience in system, network, or application security.
  • Type: Full-time

ION

Product Security Engineer

London

  • Skills: Information Security, Compliance, Product Security, vulnerabilities, TTPs, secure products, security strategy, controls engineering, product roadmap, security posture

Palantir

Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empo…

Application Security Engineer

London

  • Skills: application security, product security, threat modeling, security reviews, vulnerability identification, dynamic code analysis, security automation, hardening products, incident response, software supply chain security
  • Type: Full-time

Blockchain.com

Blockchain.com is the world's leading software platform for digital assets, powering the largest production blockchain platform globally. We are driven by a pa…

Senior Application Security Engineer

London

  • Skills: Application Security, Secure Software Development, Design Assessments, Code Reviews, Penetration Testing, Security by Design, Software Development Lifecycle, OWASP Standards, Static and Dynamic Application Security Testing, Security Monitoring Techniques
  • Experience: Proven experience with secure software development practices, preferably in JVM-based languages such as Java and Kotlin. Demonstrated expertise in performing code reviews, developing secure coding standards, and building secure software across multiple types of projects. Significant experience working in highly regulated environments with previous involvement in cryptocurrency-related projects being a strong plus.
  • Type: Full-time
  • Salary: Full-time salary based on experience and meaningful equity

Meta

Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Ap…

Security Engineer, Incident Response

London

  • Skills: Incident Response, Digital Forensics, Malware Analysis, Security Incident, Threat Hunting, Log Analysis, Automation, Root Cause Analysis, Network Security, Intrusion Detection
  • Experience: 7+ years of experience in Security Incident Response, Investigations and Response Engineering
  • Type: Full Time

Snyk

Snyk is a developer security platform that makes it easy for development teams to find, prioritize, and fix security vulnerabilities in code, dependencies, con…

Technical Specialist

London

  • Skills: application security, software development, emerging technologies, technical presentations, cross-functional collaboration, vulnerability analysis, customer success, sales enablement, product differentiation, technical support
  • Experience: 5+ years of professional experience in software development, application security, or emerging technologies; 3+ years in a customer-facing technical role within software or security industries.

Capco

Capco is a global technology and business consultancy focused on the financial services sector. We are passionate about helping our clients succeed in an ever-…

Principal Security Engineer

London

  • Skills: security engineering, cloud security, application security, SAST, DAST, SCA, endpoint protection, vulnerability assessments, secure coding practices, ISO 27001

Palantir

Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empo…

Offensive Security Engineer

London

  • Skills: security assessments, offensive testing, automation, security metrics, incident response, vulnerabilities, cloud security, micro-service architecture, web application security, data-driven

GWI

GWI is modernized consumer research; global, on-demand, and accessible to everyone, not just data experts. Our platform is designed for companies looking for f…

Software Engineer - Security

London

  • Skills: Software Security Engineer, Vulnerability Management, Penetration Testing, Python, Django, Infrastructure-as-code, Terraform, APIs, CI/CD pipelines, Google Cloud Platform
  • Experience: Software development and security engineering experience; Proficiency in infrastructure-as-code, particularly with Terraform, is essential.
  • Type: Full-time

Starknet Foundation

The Starknet Foundation stewards the growth of Starknet, a cutting-edge Layer 2 blockchain built on Ethereum. Our mission is to scale Ethereum without compromi…

Security Engineer

London

  • Skills: security controls, security audits, cybersecurity, blockchain architecture, smart contract security, incident response, risk mitigation, security engineering, penetration testing, Solidity
  • Type: Full-time

Writer

Security Engineer

London

  • Skills: security engineer, information security, threat modeling, security reviews, security architecture, cloud security, security monitoring, incident response, security tools, vulnerability assessments
  • Experience: At least 5 years of relevant industry experience in information security.
  • Type: Full-time

PA Consulting

We believe in the power of ingenuity to build a positive human future, combining strategic thinking, customer-centric service design, and agile engineering pra…

Penetration Tester

London

  • Skills: agile, Java, Python, Scala, SQL, security assessments, client-oriented, cross-functional, penetration testing, collaborative
  • Type: Hybrid

Samsara

Samsara (NYSE: IOT) is the pioneer of the Connected Operations™ Cloud, which is a platform that enables organizations that depend on physical operations to har…

Senior Security Engineer

London

  • Skills: application security, vulnerability management, secure code analysis, threat modeling, bug bounty operations, Python security, Go security, static code analysis, CI/CD practices, cloud environments
  • Experience: 4–6+ years of experience in application security, product security, or a related security engineering field.
  • Type: Full-time

Flo Health

Flo is the world’s #1 health app on a mission to build a better future for female health. Backed by a $200M investment, we became the first product of our kind…

Senior Security Engineer

London

  • Skills: Security Engineer, vulnerabilities, cloud platforms, security measures, penetration testing, custom security tooling, secure development lifecycle, incident response, threat intelligence, risk management
  • Experience: At least 7 years of experience in the information security field.
  • Type: Full-time

Samsara

Samsara (NYSE: IOT) is the pioneer of the Connected Operations™ Cloud, a platform that enables organizations that depend on physical operations to harness IoT …

Senior Security Engineer

London

  • Skills: application security, secure software development, vulnerability management, threat modeling, bug bounty, Python, Go, SAST, CI/CD, AWS
  • Experience: 4–6+ years
  • Type: Full-time

Engine by Starling

Engine is Starling's software-as-a-service (SaaS) business, the technology built to power Starling Bank, providing modern technology solutions to banks and fin…

Vulnerability Lead

London

  • Skills: vulnerability management, security posture, risk-based approach, cloud environments, patching, threat intelligence, compliance, CI/CD pipelines, automation, remediation
  • Experience: 5+ years experience in vulnerability management, security operations or infrastructure security
  • Type: Full-time

Starling Bank

Starling is the UK’s first and leading digital bank on a mission to fix banking! They built a new kind of bank to help people save, spend and manage their mone…

Vulnerability Management Engineer

London

  • Skills: vulnerability management, automation, AWS, GCP, Kubernetes, Terraform, CI/CD, APIs, security standards, cross-functional collaboration
  • Type: Full-time

Tide

At Tide, we are building a business management platform designed to save small businesses time and money. We provide our members with business accounts and rel…

Senior Threat Intelligence Engineer

London

  • Skills: Threat Intelligence, Cybersecurity, Incident Response, Cloud Security, Data Analysis, Automation, Python, Malware Analysis, Vulnerability Management, Security Posture
  • Experience: 4+ years in Cloud/Enterprise Security
  • Type: Full-time

janestreet

Cybersecurity Engineer

London

  • Skills: Cybersecurity, Security Posture, Vulnerabilities, Threat Modeling, Application Security, Security Architecture, Offensive Security, Risk Analysis, Security Governance, DevOps

Starling Bank

Starling is the UK’s first and leading digital bank on a mission to fix banking, built with technology to help people save, spend, and manage their money in a …

Detection Engineer and Threat Hunter

London

  • Skills: Detection Engineering, Threat Hunting, SIEM, Purple Team, Incident Response, Threat Intelligence, Cloud Security, ECR Proficiency, Security Automation, MITRE ATT&CK
  • Experience: 5+ years in a technical security role

HackerOne

HackerOne is a global leader in offensive security solutions. Our HackerOne Platform combines AI with the ingenuity of the largest community of security resear…

Software Engineer IV

London

  • Skills: offensive security, bug bounty, vulnerability disclosure, pentesting, AI red teaming, code security, full-stack development, SAAS, Ruby on Rails, Python
  • Type: full_time
  • Salary: {'min': 90000.0, 'max': 110000.0, 'period': 'annual', 'currency': 'GBP'}

Cloudflare

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…

Manager of Vulnerability Management

London

  • Skills: vulnerability management, cybersecurity, risk assessment, vulnerability scanning, remediation strategies, security frameworks, automation, compliance, incident response, team leadership
  • Type: full_time
  • Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

PA Consulting

We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexi…

Penetration Tester

London

  • Skills: penetration testing, CTM, OSCP, CREST, Cloud, agile, security assessments, ethical hacking, problem-solving, stakeholder collaboration
  • Type: full_time
  • Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

Cloudflare

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…

Physical Security Engineer

London

  • Skills: physical security, risk mitigation, Verkada, security policies, executive protection, corporate investigations, project management, strategy formulation, stakeholder engagement, employee health compliance
  • Type: full_time
  • Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

IAG GBS

We are a part of International Airlines Group, one of the world’s leading airline groups flying to over 270 destinations and carrying more than 100 million pas…

Cybersecurity Professional

London

  • Skills: Cybersecurity, Security Operations Centre, Automation tools, Incident response, SIEM platforms, SOC processes, Scripting languages, Security frameworks, Managed Security Services Provider, Playbooks
  • Type: other
  • Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

PA Consulting

We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexi…

IoT Security Consultant

London

  • Skills: IoT security, cybersecurity, penetration testing, threat modeling, FDA cybersecurity, compliance, NIST, ISO 27001, collaboration, business development
  • Type: full_time
  • Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}