51 to 75 of 99 Offensive Security Jobs in the UK

Staff Hardware Security Engineer

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
Description: We are looking for a hands‐on Hardware Security Engineer to support the security of SoC hardware platforms. This role is part of the Arm Product Security team and focuses on identifying problems in silicon level security features, understanding their impact, and working in partnership … with architecture and silicon teams to help improve the overall security of our platforms. In this role, you will chip in through detailed technical analysis, proof‐of‐concept demonstrations, and tooling that supports the assessment and improvement of hardware security features across sophisticated SoC platforms. You will work ...

Cyber Security Analyst

Hiring Organisation
Accenture
Location
London, United Kingdom
Salary
£ 80 K
Role: Cyber Security AnalystLocation: London/Manchester/BristolSalary: Competitive salary and package dependent on experienceCareer Level: SpecialistPlease Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which typically requires 5 years continuous UK address history usually including no periods of 30 consecutive … above information relates to a specific client requirementOur Cyber Practice is a fast-growing community of industry leading experts. The practice covers Assurance, Compliance, Security Operations (SecOps), Offensive Security and Security Research. It is critical that the relevance and quality of the services that we provide ...

Cyber Security Analyst

Hiring Organisation
Accenture
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 70 K
Role: Cyber Security AnalystLocation: London/Manchester/BristolSalary: Competitive salary and package dependent on experienceCareer Level: SpecialistPlease Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which typically requires 5 years continuous UK address history usually including no periods of 30 consecutive … above information relates to a specific client requirementOur Cyber Practice is a fast-growing community of industry leading experts. The practice covers Assurance, Compliance, Security Operations (SecOps), Offensive Security and Security Research. It is critical that the relevance and quality of the services that we provide ...

Principal Security Consultant (CCSAM/CCRTM) - RTO

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Principal Security Consultant (CCSAM/CCRTM) - RTO NetSPI® pioneered Penetration Testing as a Service (PTaaS) and leads the industry in modernpentesting. Combining world-class security professionals with AI and automation,NetSPIdelivers clarity, speed, and scale across 50+pentesttypes, attack surface management, and vulnerability prioritization. TheNetSPIplatform streamlines workflows and accelerates … deep dive testing that uncovers vulnerabilities others miss. Trusted by the top 10 U.S. banks and Fortune 500 companies worldwide,NetSPIhas been driving security innovation since 2001. NetSPIis on an exciting growth journey as we disrupt and improve the proactive security market. We are looking for individuals with ...

AI Staff Security Engineer

Hiring Organisation
Matchtech
Location
London, United Kingdom
Salary
£ 100 K
NegotiableLondon, EnglandPermanentAbout the RoleWe are seeking a versatile and senior AI Staff Security Engineer to serve as the linchpin of our security posture. You will be responsible for moving our organization toward a highly proactive security stance by engineering automated workflows that replace manual overhead.This role will … Response (AIDR) solutions to protect proprietary models and systems from novel threats like prompt injection, data poisoning, and model inversion/extraction.Automate critical security workflows using Agentic/SIEM integration to achieve high operational velocity and enable rapid response to millisecond attack speeds generated by autonomous adversary AI.Execute regular ...

AI Staff Security Engineer

Hiring Organisation
Infosec
Location
London, United Kingdom
Employment Type
Permanent
About the Role We are seeking a versatile and senior AI Staff Security Engineer to serve as the linchpin of our security posture. You will be responsible for moving our organization toward a highly proactive security stance by engineering automated workflows that replace manual overhead. This role … Response (AIDR) solutions to protect proprietary models and systems from novel threats like prompt injection, data poisoning, and model inversion/extraction. Automate critical security workflows using Agentic/SIEM integration to achieve high operational velocity and enable rapid response to millisecond attack speeds generated by autonomous adversary AI. ...

OT Cybersecurity Engineer (Offensive Security / Security Assessments / Security Testing)

Hiring Organisation
Vantage Data Centers
Location
London, United Kingdom
Salary
£ 80 K
builds, enhancing our focus on safeguarding data and infrastructure in the face of evolving cyber threats.The ICS/OT Cybersecurity Engineer will support the security of a global OT environment by implementing, and validating cybersecurity controls across ICS/OT systems. The role includes performing risk and vulnerability assessments … contributing to secure architecture and strategy, and delivering hands-on implementation of OT security solutions such as segmentation, monitoring, and privileged remote access.The engineer will also support controlled security testing and purple team activities to validate controls, identify attack paths, and improve detection and response. Additional responsibilities include ...

OT Cybersecurity Engineer (Offensive Security / Security Assessments / Security Testing)

Hiring Organisation
Vantage Data Centers
Location
Newport, Isle of Wight, United Kingdom
Salary
£ 80 K
builds, enhancing our focus on safeguarding data and infrastructure in the face of evolving cyber threats.The ICS/OT Cybersecurity Engineer will support the security of a global OT environment by implementing, and validating cybersecurity controls across ICS/OT systems. The role includes performing risk and vulnerability assessments … contributing to secure architecture and strategy, and delivering hands-on implementation of OT security solutions such as segmentation, monitoring, and privileged remote access.The engineer will also support controlled security testing and purple team activities to validate controls, identify attack paths, and improve detection and response. Additional responsibilities include ...

application security engineer for web applications

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
protects governments, critical infrastructure and large enterprises from identity fraud, deepfakes and sophisticated cyber threats. Задачи Collaborate with the web development team to keep security central to web-based applications Focus on offensive web security as a bridge between Security and Engineering Perform penetration testing, reverse … engineering and vulnerability assessments Identify security risks and work with developers to build secure, resilient web applications Provide expert guidance on secure coding practices Influence architecture and design decisions Embed security throughout the software development lifecycle Write and review production code. Требования Strong experience in web application security ...

Cyber Security Consultant (Penetration Tester)

Hiring Organisation
Moore Kingston Smith
Location
London, United Kingdom
Salary
£ 50 K
Moore Kingston Smith is seeking an experienced Cyber Security Consultant specialising in penetration testing to join our client-facing advisory team. You will join an NCSC-recognised cyber security team within our Risk Advisory practice, supporting a diverse portfolio of clients across multiple sectors.This is a hands … delivering penetration tests across web applications, APIs, and internal and external network infrastructure. You will also support Cyber Essentials Plus assessments and wider technical security reviews, including vulnerability assessments, configuration reviews against recognised benchmarks, and cloud security reviews. You will identify and safely validate security weaknesses, explain ...

Penetration Tester

Hiring Organisation
Big Red Recruitment
Location
City of London, London, United Kingdom
seeking a Penetration Tester to join a growing Offensive Security team within a specialist cyber security consultancy. This is an exciting opportunity to join at a time of significant investment and growth, helping to strengthen existing testing services while contributing to the development of new capabilities across … areas such as Red Teaming, Operational Technology (OT), Threat-Led Security Testing and emerging technologies. The successful candidate will play a key role in delivering penetration testing engagements, supporting process improvement initiatives, and helping to build a scalable and mature testing function. This position offers excellent opportunities for professional ...

Offensive Security Engineer

Hiring Organisation
London Stock Exchange Group
Location
London, United Kingdom
Salary
£ 80 K
diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.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 … programmes in scope for the role include:Regulatory Threat Intelligence Led Pen Testing (TLTP) and Red teamingBug BountyContinuous External Attack Surface ManagementActive Directory security posture managementAny programme launched in the future aimed at driving down cyber risk at scaleThe applicant will be a domain authority on vulnerability testing, impact ...

Senior Application Security Analyst - L3

Hiring Organisation
Global Relay
Location
London, United Kingdom
Salary
£ 80 K
different backgrounds and foster a work environment that encourages employees to collaborate and learn from each other, completely free of barriers.Job PurposeThe Senior Application Security Specialist is a senior technical role leading advanced application security testing, complex vulnerability analysis and threat modelling across the Application & Product Security function. You will provide technical leadership, mentor analysts and specialists, act as a security point of contact for engineering, and contribute to security strategy and standards.Scope & AutonomyLeads testing workstreams and sets the technical approach for complex assessments; acts as an escalation point for L1/ ...

Red Team Specialist – Mid & Senior

Hiring Organisation
Salt
Location
Hampshire, England, United Kingdom
Team function. This opportunity offers the chance to work alongside highly skilled specialists, conducting sophisticated red team operations, adversary emulation activities, and offensive security research against complex and mature environments. You'll play a key role in helping organisations understand and strengthen their resilience against real-world threats. … opportunity for someone who thrives on thinking like an adversary, enjoys developing innovative attack techniques, and wants to work at the cutting edge of offensive security. You'll have the freedom to leverage your creativity, technical depth, and operational experience while contributing to high-impact engagements that make ...

Senior Red Team, Mandiant Consulting

Hiring Organisation
Google
Location
United Kingdom
Salary
£ 60 K
Perform offensive technical cyber security engagements of a varied nature.Interface with clients to address concerns, issues, or escalations.Track and drive to closure any issues that impact the engagements and its value to clients.Advise clients on security best practices for remediating discovered issues.Collaborate with internal teams to expand … Computer Science, Information Systems, Cybersecurity, a related technical field, or equivalent practical experience.5 years of experience assessing and developing cybersecurity solutions across multiple security domains.5 years of experience in offensive security.Experience in four or more of the following: network protocols, threat intelligence analysis, system and network administration, project ...

AI Cyber Engineer £120k

Hiring Organisation
Circle Recruitment
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £120,000 per annum
Senior AI Security Engineer Up to £120,000 | Remote (UK) | Outstanding flexibility | Permanent What if you could help define how AI transforms cyber security, rather than simply consume someone else's tools? We're working with a highly successful, well-funded technology business that's investing heavily … future of AI-driven security. Rather than buying every new security product that appears on the market, this team asks a different question: "Can we build something smarter for our environment?" This is an opportunity to join a small, highly capable in-house security engineering team focused ...

Channel Account Manager - Cybersecurity partners

Hiring Organisation
Fortra
Location
United Kingdom
Salary
£ 60 K
network of distributors, VARs, system integrators (SIs), MSSPs, and other channel partners.You will play a key role in expanding Fortra's presence across Data Security, File Integrity Monitoring, Email Security, Offensive Security, and other cybersecurity solutions by building a high-performing partner ecosystem capable of driving … bring a strong understanding of this market, along with established connections across leading VARs, systems integrators, and strategic partners supporting defence, government, and national security organizations. These relationships will be instrumental in accelerating partner recruitment, expanding market reach, and uncovering new growth opportunities.Working closely with Sales, Marketing, Product Management ...

Senior Penetration Tester - Offensive Security Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Hack The Box is looking for a Senior Penetration Tester to join their offensive security team in Greater London. This role involves conducting penetration tests on applications, infrastructure, and cloud environments. Key responsibilities include documenting findings, collaborating with teams, and contributing to improvements in testing methodologies. Candidates should … have proven experience in penetration testing, proficiency with security tools, and strong reporting skills. Relevant certifications and threat modeling experience are advantageous. #J-18808-Ljbffr ...

AI Cyber Engineer

Hiring Organisation
Circle Group
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
Senior AI Security Engineer Up to £120,000 | Remote (UK) | Outstanding flexibility | Permanent What if you could help define how AI transforms cyber security, rather than simply consume someone else's tools? We're working with a highly successful, well-funded technology business that's investing heavily … future of AI-driven security. Rather than buying every new security product that appears on the market, this team asks a different question: 'Can we build something smarter for our environment?' This is an opportunity to join a small, highly capable in-house security engineering team focused ...

Bug Bounty Analyst

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
future of global commerce. About the Role This role is an opportunity to work in an exciting, fast paced and complex industry in our Security Operations organization, and will play a vital role in the day to day management of our Bug Bounty Program. As part … reported to remediation owners in a timely manner while overseeing remediation efforts and retest. You will work closely with various lines of business and security champions across the organization to also mature the program and help secure Global Payments assets. What You’ll Own Assess and support severity assignment ...

Senior Security Researcher

Hiring Organisation
Searchability (UK) Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Senior Security Researcher Salary: £90,000 - £100,000 + attractive benefits Location: UK (Remote-first/occasional London meetings) Employment: Full Time, Permanent This is an opportunity to join a high-growth, PE-backed cybersecurity software company whose technology protects organisations against sophisticated file-based and zero-day threats. … Following significant investment and continued growth, the business is expanding its technical capability and strengthening its dedicated security research function. This senior appointment will take ownership of complex, open-ended investigations and turn original research into practical defensive capability. You will explore unfamiliar technologies, analyse malicious material, build proof ...

Senior Security Researcher

Hiring Organisation
Searchability
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum
Senior Security Researcher Salary: £90,000 - £100,000 + attractive benefits Location: UK (Remote-first/occasional London meetings) Employment: Full Time, Permanent This is an opportunity to join a high-growth, PE-backed cybersecurity software company whose technology protects organisations against sophisticated file-based and zero-day threats. … Following significant investment and continued growth, the business is expanding its technical capability and strengthening its dedicated security research function. This senior appointment will take ownership of complex, open-ended investigations and turn original research into practical defensive capability. You will explore unfamiliar technologies, analyse malicious material, build proof ...

Managing Consultant – Cyber Security

Hiring Organisation
RSM International
Location
London, United Kingdom
Salary
£ 80 K
approach, 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 … value diverse experiences and perspectives. Here’s what we’re looking for in our ideal candidate: 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 end-to-end in a professional service ...

Managing Consultant – Cyber Security

Hiring Organisation
RSM International
Location
Nottingham, Nottinghamshire, United Kingdom
Salary
£ 60 K
approach, 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 … value diverse experiences and perspectives. Here’s what we’re looking for in our ideal candidate: 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 end-to-end in a professional service ...

Managing Consultant – Cyber Security

Hiring Organisation
RSM International
Location
Birmingham, West Midlands (County), United Kingdom
Salary
£ 60 K
approach, 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 … value diverse experiences and perspectives. Here’s what we’re looking for in our ideal candidate: 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 end-to-end in a professional service ...