76 to 100 of 122 Offensive Security Jobs in the UK

Ruptura InfoSecurity is seeking a Senior Penetration Tester to join our Offensive Security team. You will lead complex engagements across infrastructure, web apps and cloud, delivering high-quality assessments and practical remediation guidance. The role focuses on client-facing leadership, technical excellence, and ongoing development of our offensive security practice. A strong mentoring mindset and passion for staying ahead of evolving attack techniques are essential. #J-18808-Ljbffr ...

UltraViolet Cyber is seeking a high-performing Sales Executive to drive growth for its Offensive Security Services within Europe. The role includes managing the entire sales cycle, engaging with technical stakeholders, and positioning our security services. The ideal candidate will have over 5 years of experience … cybersecurity sales, particularly in offensive security services, and a proven track record with enterprise accounts in various regulatory environments. Join UltraViolet Cyber and make an impact in the cybersecurity space! #J-18808-Ljbffr ...

often treated as queue work: read the report, check the scope, set a severity, move it on. We are building this role differently. As Security Triage Analyst you own the first layer of judgement on every report that reaches Verda – what is real, what matters, what needs more evidence … report that looks routine elsewhere can matter more here because of tenant isolation, customer impact, or infrastructure access. You will work closely with Security, Engineering, Infrastructure, external triage partners, and researchers, and you will help improve how vulnerability handling works as the volume grows. Your responsibilities Review incoming reports ...

Continuous Threat Exposure Management (CTEM). The HackerOne Platform unites agentic AI solutions with the ingenuity of the world’s largest community of security researchers to continuously discover, validate, prioritize, and remediate exposures across code, cloud, and AI systems. Through solutions like bug bounty, vulnerability disclosure, agentic pentesting … teaming, and code security, HackerOne delivers measurable, continuous reduction of cyber risk for enterprises. Industry leaders, including Anthropic, Crypto.com, General Motors, Goldman Sachs, Lufthansa, Uber, UK Ministry of Defence, and the U.S. Department of Defense, trust HackerOne to safeguard their digital ecosystems. HackerOne was recognized in Gartner’s Emerging ...

strengthening our global presence, and building strong client relationships. No career pathway in your current role? You won’t stand still in our Cyber Security team which is a part of our wider Technology & Cyber Risk Assurance team. You’ll work with our team of specialists … spot inefficiencies in everyday life and are passionate about making improvements, this role is perfect for you! Relevant experience within a technology risk, information security or cyber security role. Significant experience delivering cyber security assurance and advisory services. Proven experience in managing engagements ...

looking for a Application Security Engineer to join our Manchester-based application security business as a member of the AppSec Engineering team (Open to people who can make it to our office twice a month or remote) Cytix is a platform that threat models development tickets and creates … security testing plans that include both manual and automated testing. In this role, you won't be confined to traditional 4+1 web applications. We're breaking away from the constraints of CHECK or CE+ standards, and we're not interested in producing lengthy PDF reports. Instead, our focus ...

Lead investigations into escalated security events and incidents, developing hypotheses, collecting evidence and determining root cause and impact. Build and optimise detection rules, queries and monitoring logic across cloud, endpoint, network and application environments. Develop tooling and automation to improve security telemetry, alert enrichment, investigation workflows and response … times. Conduct threat hunting using adversary behaviours, TTPs and frameworks such as MITRE ATT&CK, incorporating findings into security controls and detections. Create and continuously improve incident runbooks, playbooks and detection processes based on findings from real-world investigations. Work with the external SOC and internal engineering teams ...

Klarna seeks an experienced offensive mobile security specialist to protect its iOS and Android apps. You will conduct pentests and red-team exercises, reverse-engineer binaries, and apply MASVS/MASTG guidance to drive concrete engineering fixes. You will collaborate with software engineers to harden app security, test RASP protections, and document actionable remediation steps. This role requires hands-on testing across mobile platforms and a track record of security research or bug bounty work. #J-18808-Ljbffr ...

ReliaQuest, we do things differently. We do not limit your professional growth with outdated job titles and responsibilities. Why be just a “Security Analyst”, “Detection Developer”, or “Security Engineer” when you can be all three? As a GreyMatter Specialist, you will do all of that and more. This … this role, you’ll develop a diverse skill set which normally takes years to learn—all within your first year. Our industry-leading security operations platform, GreyMatter and immersive training will afford you the tools, experience, and opportunities to grow your career. Whether you’re conducting advanced investigations, troubleshooting ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's leading cyber security consultancies, delivering penetration testing, Cyber Essentials certification, consultancy, training and managed cyber security services to organisations … NCSC CHECK provider and CREST member company , we're continuing to grow our penetration testing team and are looking for a talented Security Consultant to join us. Whether you're already a CHECK Team Member (CTM) or you're an experienced penetration tester ready to take that next step ...