51 to 75 of 593 Penetration Testing Jobs in the UK

organization's IT infrastructure, applications, and networks. Your primary responsibilities will include identifying and addressing security vulnerabilities through detailed assessments and hands‐on penetration testing. You will work closely with cross‐functional teams to enhance security measures and safeguard systems against potential threats. What You’ll Do Conduct Vulnerability … Assessments Perform detailed vulnerability assessments on internal and external systems, networks, and applications. Utilize automated tools and manual techniques to identify security weaknesses. Perform Penetration Testing Execute penetration tests on IT infrastructure, web applications, mobile platforms, and network components. Simulate cyber‐attacks to evaluate the effectiveness ...

develop your expertise in multiple areas of offensive security. The Role Depending on your experience and interests, projects may include: Web application and API penetration testing Internal and external infrastructure assessments Wireless security testing Mobile application security Red and Purple Team engagements Physical security assessments Hardware … device security testing Development of penetration testing tools and methodologies You’ll work directly with clients, clearly communicate technical findings and provide practical recommendations that help organizations understand and reduce their security risk. What There Looking For You’ll ideally have: Professional experience in penetration testing ...

join our team. Working alongside our experienced team of specialists, you’ll be delivering offensive security services including digital footprint reconnaissance, social engineering, penetration testing and vulnerability assessments and more to high profile clients across all industries. The purpose of this role is to deliver our offensive security … services including digital footprint reconnaissance, social engineering, vulnerability assessments, penetration testing, threat modelling, cyber-attack simulation exercises, and more to high profile clients across all industries. You’ll benefit from ongoing coaching, career mentoring, and be supported by our career pathway. You will have an opportunity to continue ...

understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments.Job Title: Security Testing Consultant – Penetration TesterLocation: UK Wide (Occasional office work, with 25% International Travel)Who we areJoin BAE Systems and you’ll be part … limit to where a career at BAE Systems could take you!About the role...We are looking for people who have experience of Security/Penetration Testing who are ready to have a meaningful and tangible impact as part our cyber threat intelligence team investigating and tracking cyber-attacks ...

confident Cyber Security Consultant to join our team in a high-impact, client-facing role. You will operate within secure environments, leading advanced penetration testing, vulnerability assessments, and red team simulations as part of structured security engagements. Your work will play a critical role in identifying, communicating … mitigating cyber risks across complex systems, helping clients build stronger security postures.As a CHECK Team Leader, you will deliver technical testing and consultancy aligned with CHECK standards, producing comprehensive reports and strategic recommendations tailored to both technical stakeholders and executive leadership.Key ResponsibilitiesLead and deliver on-site security assessments ...

person. In Technology, we’re asking that you attend the office a minimum of 1 day per week. About the Role As an experienced Penetration Tester at Starling, you’ll be joining an established team, working with talented cyber security professionals to ensure our services are designed, developed … operated securely. This is a collaborative role - you’ll directly interact with multiple areas of the business to understand requirements, conduct research, perform security testing, and report issues aligned to our risk framework. Being an internal tester, you’ll gain a strong understanding of how technology works at Starling ...

person. In Technology, we’re asking that you attend the office a minimum of 1 day per week. About the Role As an experienced Penetration Tester at Starling, you’ll be joining an established team, working with talented cyber security professionals to ensure our services are designed, developed … operated securely. This is a collaborative role - you’ll directly interact with multiple areas of the business to understand requirements, conduct research, perform security testing, and report issues aligned to our risk framework. Being an internal tester, you’ll gain a strong understanding of how technology works at Starling ...

person. In Technology, we’re asking that you attend the office a minimum of 1 day per week. About the Role As an experienced Penetration Tester at Starling, you’ll be joining an established team, working with talented cyber security professionals to ensure our services are designed, developed … operated securely. This is a collaborative role - you’ll directly interact with multiple areas of the business to understand requirements, conduct research, perform security testing, and report issues aligned to our risk framework. Being an internal tester, you’ll gain a strong understanding of how technology works at Starling ...

person. In Technology, we’re asking that you attend the office a minimum of 1 day per week. About the Role As an experienced Penetration Tester at Starling, you’ll be joining an established team, working with talented cyber security professionals to ensure our services are designed, developed … operated securely. This is a collaborative role - you’ll directly interact with multiple areas of the business to understand requirements, conduct research, perform security testing, and report issues aligned to our risk framework. Being an internal tester, you’ll gain a strong understanding of how technology works at Starling ...

practices across ColtSecurity integration into CI/CD pipelines (GitLab)Reduction of vulnerabilities through automated scanning and testingAssurance of internet-facing applications through structured penetration testing activitiesWhat you will doProvide security architecture expertise for application security and DevSecOps, supporting standards and best practices across the software development lifecycleContribute … secure software development, aligned to Colt’s Secure by Design principlesSupport the integration of security controls into CI/CD pipelines (GitLab), including automated testing and policy enforcementDesign and implement application security controls, including:Static Application Security Testing (SAST)Dynamic Application Security Testing (DAST)Software Composition Analysis ...

hands-on test automation, network validation and service assurance across complex deployment and migration activities. 3 days per week onsite taking ownership of automated testing and validation throughout the change lifecycle, helping ensure deployments are secure, stable and ready to progress into production. Key responsibilities include: Designing, developing … deployments only progress when defined validation criteria are met Developing and maintaining pyATS-based validation suites to verify network state, configuration and behaviour Conducting penetration testing and vulnerability assessments ahead of go-live Supporting Root Cause Analysis (RCA) across network, platform, performance and functional issues Producing structured test ...

hands-on test automation, network validation and service assurance across complex deployment and migration activities. 3 days per week onsite taking ownership of automated testing and validation throughout the change lifecycle, helping ensure deployments are secure, stable and ready to progress into production. Key responsibilities include: Designing, developing … deployments only progress when defined validation criteria are met Developing and maintaining pyATS-based validation suites to verify network state, configuration and behaviour Conducting penetration testing and vulnerability assessments ahead of go-live Supporting Root Cause Analysis (RCA) across network, platform, performance and functional issues Producing structured test ...

Sector: Cyber SecurityReference: BBBH188229_1789489281PENETRATION TESTER/OFFENSIVE SECURITY CONSULTANT | DV ELIGIBLE | LONDON| 5 days a week on-siteLooking for your next penetration testing contract We're seeking experienced Penetration Testers/Offensive Security Consultants to help identify vulnerabilities across a complex technology landscape. This … world security assessments across infrastructure, cloud, applications and modern platforms.Location: London Contract: Long-term ContractDV Clearance Eligibility Required What You'll Be Doing Conducting penetration testing and vulnerability assessments across a range of environments. Simulating real-world attack scenarios to identify security weaknesses and risks. Producing high-quality ...

empathy focuses on your long‐term career development while valuing your unique skills and experiences. Your role and responsibilities As an X-Force Red Penetration Tester, you will utilize your mathematical, coding, and analytical background to breach security systems and identify weaknesses to improve enterprise information security. Your expertise … System Security: Evaluate system security configurations to identify vulnerabilities and weaknesses, and perform root cause analysis to determine the cause of security breaches. Conduct Penetration Testing: Attempt to hack into networks to access information without authorization, and document findings to produce reports detailing the effectiveness of security systems. ...

J.P. Morgan is seeking a Penetration Testing Vendor Management Lead to own delivery excellence across third-party testing programs. This governance and commercial role supports program-level oversight, working with Penetration Testing and wider governance forums. You will bridge product, engineering, procurement and finance, coaching ...

Citation Cyber is seeking a Security Consultant (Penetration Testing) to deliver comprehensive assessments for client environments in a hybrid UK role. You will conduct infrastructure and web application tests, produce clear reports, and present findings to clients. The ideal candidate will have consultancy penetration testing experience … strong reporting skills, knowledge of Windows/Linux/AD, cloud testing (Azure/AWS), and a commitment to continuous learning; CTM/SC clearance is desirable. #J-18808-Ljbffr ...

Team) to join a client on a short-term contract basis. This is an excellent opportunity for a hands-on security professional with strong penetration testing experience to support a variety of security assessment activities across enterprise systems and applications. Key Responsibilities Conduct penetration testing … technical reports and remediation recommendations Work closely with technical and project teams to improve security posture Support risk assessments and security assurance activities Ensure testing activities align with industry standards and best practices Essential Skills & Experience Demonstrable experience delivering penetration testing engagements Strong understanding of infrastructure, network ...

Citation Cyber in the UK is seeking a Security Consultant (Penetration Testing) to join our hybrid team. You will deliver security assessments across client environments, identify vulnerabilities and advise on remediation. The ideal candidate has consultancy experience in penetration testing, strong reporting, and knowledge of Windows … Linux/AD and cloud testing (Azure/AWS). The role supports CHECK/CREST development and offers growth. #J-18808-Ljbffr ...

services.Join Thales at a pivotal time as we expand our Cyber Security capability across critical national infrastructure, defence, and aerospace programmes. As a Penetration Tester, you’ll play a key role in identifying vulnerabilities across complex systems and helping secure technologies that truly matter.From secure software to biometrics … enabling trusted services across personal devices, connected objects, the cloud and everything in between.The Opportunity:You’ll work on high-impact projects, performing penetration testing across IT and OT environments while influencing secure design and risk mitigation strategies from early project stages through to delivery.What ...

services.Join Thales at a pivotal time as we expand our Cyber Security capability across critical national infrastructure, defence, and aerospace programmes. As a Penetration Tester, you’ll play a key role in identifying vulnerabilities across complex systems and helping secure technologies that truly matter.From secure software to biometrics … enabling trusted services across personal devices, connected objects, the cloud and everything in between.The Opportunity:You’ll work on high-impact projects, performing penetration testing across IT and OT environments while influencing secure design and risk mitigation strategies from early project stages through to delivery.What ...

services.Join Thales at a pivotal time as we expand our Cyber Security capability across critical national infrastructure, defence, and aerospace programmes. As a Penetration Tester, you’ll play a key role in identifying vulnerabilities across complex systems and helping secure technologies that truly matter.From secure software to biometrics … enabling trusted services across personal devices, connected objects, the cloud and everything in between.The Opportunity:You’ll work on high-impact projects, performing penetration testing across IT and OT environments while influencing secure design and risk mitigation strategies from early project stages through to delivery.What ...

services.Join Thales at a pivotal time as we expand our Cyber Security capability across critical national infrastructure, defence, and aerospace programmes. As a Penetration Tester, you’ll play a key role in identifying vulnerabilities across complex systems and helping secure technologies that truly matter.From secure software to biometrics … enabling trusted services across personal devices, connected objects, the cloud and everything in between.The Opportunity:You’ll work on high-impact projects, performing penetration testing across IT and OT environments while influencing secure design and risk mitigation strategies from early project stages through to delivery.What ...

services.Join Thales at a pivotal time as we expand our Cyber Security capability across critical national infrastructure, defence, and aerospace programmes. As a Penetration Tester, you’ll play a key role in identifying vulnerabilities across complex systems and helping secure technologies that truly matter.From secure software to biometrics … enabling trusted services across personal devices, connected objects, the cloud and everything in between.The Opportunity:You’ll work on high-impact projects, performing penetration testing across IT and OT environments while influencing secure design and risk mitigation strategies from early project stages through to delivery.What ...

services. Join Thales at a pivotal time as we expand our Cyber Security capability across critical national infrastructure, defence, and aerospace programmes. As a Penetration Tester, you'll play a key role in identifying vulnerabilities across complex systems and helping secure technologies that truly matter. From secure software … enabling trusted services across personal devices, connected objects, the cloud and everything in between. The Opportunity: You'll work on high-impact projects, performing penetration testing across IT and OT environments while influencing secure design and risk mitigation strategies from early project stages through to delivery. What ...

services. Join Thales at a pivotal time as we expand our Cyber Security capability across critical national infrastructure, defence, and aerospace programmes. As a Penetration Tester, you'll play a key role in identifying vulnerabilities across complex systems and helping secure technologies that truly matter. From secure software … enabling trusted services across personal devices, connected objects, the cloud and everything in between. The Opportunity: You'll work on high-impact projects, performing penetration testing across IT and OT environments while influencing secure design and risk mitigation strategies from early project stages through to delivery. What ...