51 to 75 of 85 Offensive Security Jobs in England

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 ...

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 ...

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 ...

Vice President, Threat and Vulnerability Management Team Lead

Hiring Organisation
MUFG
Location
London, United Kingdom
Salary
£ 100 K
defining, developing, and leading the strategic direction for safeguarding the organisation’s infrastructure and applications. This is achieved by proactively identifying, assessing, and remediating security vulnerabilities. The role sits within the Digital Engineering Services & Solutions (DES) department of the Technology Division.The role is part of the Digital Engineering Services … ensure compliance with internal controls and regulatory standards. It plays a critical role in governance, audit readiness, and the continuous improvement of MUFG’s security posture, while also serving as the central coordination point for all vulnerability-related activities across DES.The successful candidate must demonstrate proven experience in leading ...

Senior Threat Hunter - Digital Crime Operations – Advanced Threat Operations – Global Security (London)

Hiring Organisation
Royal Bank of Canada
Location
London, United Kingdom
Salary
£ 80 K
Threat Hunter to join our global efforts in identifying and mitigating sophisticated threats targeting our clients and digital assets.As part of our Global Cyber Security group, you’ll partner with a team of security experts, researchers, and innovators to disrupt digital crime using next-generation detection capabilities … frontier models to investigate and mitigate the latest threats (e.g., phishing, smishing, malware) and operationalise hunting scenarios for real-time detection and prevention.Web Application Security Hunting: Leverage web application security expertise to analyse live traffic for vulnerabilities and attack vectors.Methodology Enhancement: Collaborate with global teams to refine Digital ...

Head of Security

Hiring Organisation
Fresha
Location
London, United Kingdom
Salary
£ 100 K
bookings and automated marketing through mobile apps and advanced integrations with major tech brands including Instagram, Facebook and Google.About the roleReports to: VP of Security, IT and ComplianceWe're looking for someone to own security end-to-end at Fresha. You'll shape the security strategy alongside … build and run the controls that protect the business, and be the person everyone — engineers, execs, auditors, customers — looks to regarding security questions.You'll work alongside the Head of Compliance (who sits under the same VP) as a peer. They own the frameworks, the audits, and the evidence. ...

Senior AI Security Engineer: Proactive Threat & Governance

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Matchtech is seeking a senior AI Staff Security Engineer to act as the linchpin of our security posture, engineering automated workflows and reducing manual overhead across the enterprise. You will manage systemic risk of Shadow AI agentic frameworks and enforce least privilege through programmatic control of software across … organization. You will design and operate AI Detection and Response (AIDR) solutions, automate critical security workflows, and lead offensive security operations #J-18808-Ljbffr ...

Senior Vulnerability Management Engineer

Hiring Organisation
Jobleads-UK
Location
Pontefract, England, United Kingdom
hackajob is collaborating with Next Ltd to connect them with exceptional professionals for this role. The Role Working in the Information Security team you will focus on Vulnerability and Threat Management across the Next technology estate, with a particular focus on our Warehouse environment and the technology utilised within … help maintain an awareness of new and emerging security threats and trends. You will be responsible for identifying, assessing, validating and communicating new vulnerabilities across the other technical teams, ensuring the vulnerability management process is followed. Where required you will work with other IT teams to provide guidance ...

Penetration Tester

Hiring Organisation
Reed
Location
Basingstoke, Hampshire, England, United Kingdom
Employment Type
Temporary
Salary
£600 - £800 per day, Inc benefits
Cyber Defence team delivering high-profile engagements across Government, Defence and commercial clients. Key requirements: CREST CCT-App certified (or working towards) Strong application security testing experience Web application, API and mobile testing expertise Excellent technical reporting and client-facing skills UK cyber security industry experience SC clearance … eligibility Desirable: CCT-INF NCSC CTAS/CPA knowledge Defence or Government experience Threat Intelligence or security research background What's on offer: Interesting and challenging Government and Defence projects Hybrid working Ongoing training and development Strong career progression Competitive salary and benefits If you're passionate about offensive ...

Graduate Security Consultant

Hiring Organisation
Oscar Associates (UK) Limited
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
Salary
£30,000
Graduate Security Consultant/Penetration Tester - Bristol - £28,000-34,000 We're looking for a motivated graduate to join a cyber consultancy team in Bristol and begin building a career in security consulting and penetration testing, with structured mentorship and training from day one. This … genuine entry point into the industry - not just a support role, but a proper foundation for a long-term career in offensive security. What you'll be doing: Carrying out security assessments and vulnerability scans across client systems, networks and applications Taking part in penetration testing engagements under ...

Principal Engineer Job in London

Hiring Organisation
Barclay Simpson Corporate Governance Recruitment
Location
London, United Kingdom
Salary
> £ 150 K
global financial services organisation seeks a Principal Cybersecurity Engineer to help build the next generation of data-driven security capabilities at exceptional scale.This is a senior (Director grade) individual contributor position. The role requires a candidate with deep cyber expertise and elite hands-on software engineering ability, who still … wants to spend around 40-50% of their time coding.You will work on complex security challenges across threat detection, anomaly identification, cyber automation and advanced analytics, turning vast volumes of security telemetry into practical protection.The ideal candidate may come from a security product vendor, cyber start ...