1 to 25 of 50 Remote/Hybrid Permanent Penetration Testing Jobs

Offensive Security Engineer - LLM & Penetration Testing - BANKING CLIENT - LONDON Location: London - Hybrid (8 days onsite per month) Contract: 12 months (initial) Day Rate: Competitive, depending on experience 500 - 800 per day IR35 Status: Inside IR35 - MUST USE UMBRELLA The Opportunity We are looking for a hands … exciting opportunity to work at the intersection of Artificial Intelligence, Application Security and Ethical Hacking , helping to develop and operationalise AI-powered security testing capabilities. The organisation is investing in the use of Large Language Models (LLMs) and AI agents to enhance how security vulnerabilities are identified, assessed ...

Security Penetration Tester , you will be responsible for supporting the design, implementation, and maintenance of TVM (Threat & Vulnerability Management) solutions, controls and processes across the organisation. You will be liaising with Digital teams to ensure appropriate mitigation and remediation of vulnerabilities detected across our IT estate. This role requires … need any reasonable adjustments during the process, please let us know - we're here to help. What you'll be doing as a Security Penetration Tester Help support and develop an internal penetration testing function. Conduct network, application penetration testing, code and security reviews. Identify ...

cyber security offering with ambitious plans for growth. This is an opportunity to join at an early stage, helping to establish a credible penetration-testing capability while benefiting from an extensive national client base and established routes to market. As Senior Penetration Tester, you will provide … senior technical capability needed to develop and scale the organisation’s penetration-testing service. You will remain hands-on with complex assignments while shaping delivery standards, supporting junior colleagues and building trusted relationships with clients. The firm operates a hybrid working basis, where you will be expected ...

growing cyber security consultancy is hiring a hands-on penetration tester to take ownership of engagements across web applications, infrastructure, cloud platforms and APIs. You'll run engagements end to end, from scoping through to testing, reporting and client debriefs, working alongside experienced testers. There's funded certification … Role This role is suited to someone wanting to broaden their technical range and own engagements outright, with prior hands-on experience in penetration testing Test across a variety of environments, including web applications, infrastructure, cloud platforms and APIs. Help clients identify vulnerabilities, understand their security risks ...

technical solutions against security, regulatory and business requirements. Conduct and support threat modelling, risk assessments and vulnerability assessments . Provide technical oversight of security testing and penetration testing activities. Support vulnerability management and help teams prioritise and remediate security risks. Work closely with architects, engineers, testers … Looking For You'll have significant experience in one or more of the following: Security Architecture Security Engineering Cloud Security Network Security Application Security Penetration Testing You'll also have: Strong knowledge of modern cyber threats, attack techniques and security risks. Experience applying Secure by Design principles across ...

growing cyber security consultancy is hiring a hands-on penetration tester to take ownership of engagements across web applications, infrastructure, cloud platforms and APIs. You'll run engagements end to end, from scoping through to testing, reporting and client debriefs, working alongside experienced testers. There's funded certification … teaming.The RoleThis role is suited to someone wanting to broaden their technical range and own engagements outright, with prior hands-on experience in penetration testingTest across a variety of environments, including web applications, infrastructure, cloud platforms and APIs.Help clients identify vulnerabilities, understand their security risks and implement effective remediation.Work ...

with security, regulatory and business requirements. Conduct and support threat modelling, cyber risk assessments and vulnerability assessments. Provide technical oversight and recommendations for security testing and penetration testing activities. Support vulnerability management, helping teams prioritise and remediate security risks effectively. Collaborate with architects, engineers, testers and assurance … ideal candidate will bring significant experience in one or more technical cybersecurity disciplines, including: Security Architecture Security Engineering Cloud Security Network Security Application Security Penetration Testing Candidates should also demonstrate: A strong understanding of modern cyber threats, attack techniques and security risks. Experience applying secure-by-design principles ...

with security, regulatory and business requirements. Conduct and support threat modelling, cyber risk assessments and vulnerability assessments. Provide technical oversight and recommendations for security testing and penetration testing activities. Support vulnerability management, helping teams prioritise and remediate security risks effectively. Collaborate with architects, engineers, testers and assurance … ideal candidate will bring significant experience in one or more technical cybersecurity disciplines, including: Security Architecture Security Engineering Cloud Security Network Security Application Security Penetration Testing Candidates should also demonstrate: A strong understanding of modern cyber threats, attack techniques and security risks. Experience applying secure-by-design principles ...

with security, regulatory and business requirements. Conduct and support threat modelling, cyber risk assessments and vulnerability assessments. Provide technical oversight and recommendations for security testing and penetration testing activities. Support vulnerability management, helping teams prioritise and remediate security risks effectively. Collaborate with architects, engineers, testers and assurance … ideal candidate will bring significant experience in one or more technical cybersecurity disciplines, including: Security Architecture Security Engineering Cloud Security Network Security Application Security Penetration Testing Candidates should also demonstrate: A strong understanding of modern cyber threats, attack techniques and security risks. Experience applying secure-by-design principles ...

role in supporting: Secure software development practices across Colt Security integration into CI/CD pipelines (GitLab) Reduction of vulnerabilities through automated scanning and testing Assurance of internet-facing applications through structured penetration testing activities What you will do Provide security architecture expertise for application security … software development, aligned to Colt’s Secure by Design principles Support the integration of security controls into CI/CD pipelines (GitLab), including automated testing and policy enforcement Design and implement application security controls, including: Static Application Security Testing (SAST) Dynamic Application Security Testing (DAST) Software Composition ...

important digital property services. HM Land Registry (HMLR), in partnership with Inspire People, is seeking a Senior Infrastructure Specialist - Red Team with experience in penetration testing, adversary emulation, threat analysis, Infrastructure as Code, DevOps and security operations. This permanent opportunity offers a salary … controls and improve HMLR's security posture. As a Senior Infrastructure Specialist - Red Team, you will: * Conduct Red Team engagements, adversary emulation exercises and penetration testing activities * Simulate real-world cyber attacks to assess security controls, detection capabilities and response effectiveness * Identify vulnerabilities, attack paths and security weaknesses ...

annumLondon, England Permanent Our client, a leading technology business specialising in cybersecurity and penetration testing, is seeking an AI Software Engineer to join its permanent, fully remote team in the UK. This senior-level role focuses on building intelligent AI agents that can plan, reason, operate security tooling … identify exploitable vulnerabilities within controlled environments. Key Responsibilities: Design, build and deploy AI agents that automate penetration testing, including planning, tool use and reasoning over security findingsDevelop sandboxed cyber-lab and range infrastructure using containers and KubernetesDeliver AI features from initial design through to production, including evaluations, guardrails ...

compliance. Open-source Ecosystems: You've worked with open-source or source-available products, contributed to security communities, or are already familiar with n8n. Penetration Testing: You have practical penetration testing experience and can independently identify, demonstrate, and help remediate security vulnerabilities. Early-stage Security Experience ...

deployed, configured correctly and effective against relevant threats. Alongside this, you'll lead security design reviews, protective control standards, project security assurance and penetration testing, while shaping security architecture across areas including AI, zero trust identity and multi-cloud environments. What you'll be doing Developing and running … identity, email, network, cloud, data and backup environments. Using techniques including breach and attack simulation, purple teaming, posture monitoring, attack surface management and detection testing to assess whether controls are deployed, configured correctly and operating effectively. Defining security control metrics and risk indicators, using evidence from control validation ...

effectively. Perform ad hoc risk assessments across sites as needed. Engage cyber defence and cyber architecture and solutions teams to commission services such as penetration testing and detailed architectural reviews. Partner with OT engineering teams to understand the operating environment of the technology being assessed. Partner with … operating in regulated environments. Experience building or operating continuous control monitoring, risk indices or key risk/performance indicator models. Experience partnering with penetration testing, red team or architecture review functions to assess control effectiveness. Significant experience in cyber security within the relevant domain. Proven experience leading ...

solution architects to define and deliver secure architectures across enterprise IT and operational technology environments. You'll also collaborate with information assurance and penetration testing teams to validate security controls and develop effective security solutions. This is a client-facing role requiring strong technical judgement, stakeholder management … frameworks and standards including NIST, ISO and CIS . Advise on protective monitoring, authentication and authorisation best practice. Work closely with information assurance and penetration testing teams. Build strong relationships with senior stakeholders, technical teams and delivery partners. Communicate complex technical solutions clearly through documentation, presentations and stakeholder ...

ensure they meet security, regulatory and business requirements. Conduct and support threat modelling, risk assessments and vulnerability assessments. Provide technical oversight of security testing and penetration testing activities. Support vulnerability management, helping teams prioritise and remediate security risks. Collaborate with architects, engineers, testers and assurance teams … Essential Skills & Experience Significant experience in one or more of the following areas: security architecture, security engineering, cloud security, network security, application security or penetration testing. Strong understanding of modern cyber threats, attack techniques and security risks. Experience applying secure-by-design principles across enterprise environments. Strong knowledge ...

Mostly Remote(2 Days onsite p/m) Up to £60k + Bonus/Benefits The Role: You will be responsible for the continual testing and validation of security controls and SOC detection capabilities, providing assurance that defensive measures remain effective against evolving threats. The role contributes … effectiveness of security monitoring and detection capabilities. Core duties: Support the Red Team with the following activities; Red Team Exercises, Critical Control Testing, Cyber Hygiene Assessments and Penetration Testing Develop comprehensive and accurate reports for internal audiences, ensuring the grading of vulnerabilities within the context ...

complete details of the job offer, including experience required and associated duties and tasks. The Role: You will be responsible for the continual testing and validation of security controls and SOC detection capabilities, providing assurance that defensive measures remain effective against evolving threats. The role contributes to the achievement … effectiveness of security monitoring and detection capabilities. Core duties: Support the Red Team with the following activities; Red Team Exercises, Critical Control Testing, Cyber Hygiene Assessments and Penetration Testing Develop comprehensive and accurate reports for internal audiences, ensuring the grading of vulnerabilities within the context ...

Title: Cyber Security Penetration TesterLocations: UK wide (hybrid work- 1x a month in office)Salary: Competitive salary and package (Depending on level of experience) Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address history (typically including … more spent outside of the UK) at the point of application. The above information relates to a specific client requirement'Role overviewAs a Penetration Tester, you will deliver hands-on security testing of client web applications, APIs and infrastructure. Working within a collaborative testing team, and supported ...

Title: Cyber Security Penetration TesterLocations: UK wide (hybrid work- 1x a month in office)Salary: Competitive salary and package (Depending on level of experience) Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address history (typically including … more spent outside of the UK) at the point of application. The above information relates to a specific client requirement'Role overviewAs a Penetration Tester, you will deliver hands-on security testing of client web applications, APIs and infrastructure. Working within a collaborative testing team, and supported ...

Information Security Team. Key responsibilities The key tasks and responsibilities include, but are not limited to, the following: Conduct thorough Red Team offensive penetration testing on our IT (on prem and cloud) infrastructure to identify vulnerabilities and provide recommendations for remediation. Perform security assessments on cloud-based applications … ensuring they adhere to industry standards and best practices. Execute red team exercises to simulate real-world attack scenarios, testing the firm's detection and response capabilities both internal and external. Assess and test the security of internally deployed infrastructure IoT devices and sensors, identifying potential vulnerabilities and ensuring ...

broad range of cyber security projects, including: Designing, deploying and configuring security controls including firewalls, EDR, SIEM, IAM and cloud security technologies Supporting penetration testing, vulnerability assessments and security reviews across networks, applications and cloud environments Turning security findings into practical remediation plans and helping clients implement them ...

during a 12 month cover period. You will work with product teams, engineers and architects to identify and reduce security risk throughout design, development, testing and release. You will be the day-to-day application security contact for these domains, working within the wider Security Engineering function and escalating … configuration checks where relevant. Triage findings based on risk and context, explain remediation options, and work with engineering teams to verify fixes. Coordinate penetration testing and track material findings through remediation and retesting. Assess the security of SaaS platforms, external APIs and OEM integrations in collaboration with ...

Cleared/Eligible Role Overview In this role, youll simulate real-world attacks to uncover vulnerabilities in AI/ML systems. From stress-testing model guardrails to identifying data privacy risks, youll play a critical role in ensuring secure and trustworthy AI deployments. Working Model - Hybrid Role, when needed … will have to travel to Client offices or customer location What Youll Do Conduct adversarial testing to challenge AI model safety and guardrails Perform penetration testing and fuzzing of AI systems Identify risks such as data poisoning, model evasion, hallucinations, and bias Validate data privacy controls, including ...