26 to 50 of 282 Penetration Testing Jobs in the UK excluding London

Since being acquired by Nomios in late 2024, Dionach by Nomios has continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced team, build your skills, and grow professionally. … application process, let us know, and we'll work to meet your needs. What You'll Do Lead and mentor a team of Penetration testers, fostering a collaborative and high-performance work environment. Lead and oversee complex infrastructure penetration tests ensuring that they are conducted thoroughly ...

Since being acquired by Nomios in late 2024, Dionach by Nomios has continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced team, build your skills, and grow professionally. … application process, let us know, and we'll work to meet your needs. What You'll Do Lead and mentor a team of Penetration testers, fostering a collaborative and high-performance work environment. Lead and oversee complex infrastructure penetration tests ensuring that they are conducted thoroughly ...

with hands‐on experience in securing mobile platforms and applications. The ideal candidate will possess deep expertise in mobile threat modelling, vulnerability assessment, and penetration testing, with a strong understanding of Android and iOS security standards. This role is critical to ensuring the security of our mobile platform … evolving threats. Key Responsibilities Conduct comprehensive security reviews and assessments of mobile applications, identifying vulnerabilities and recommending mitigation strategies. Design, develop, and maintain security testing tools, scripts, and frameworks to support penetration testing activities. Define and implement security policies, standards, and procedures for mobile platforms. Perform ongoing ...

Ready to identify vulnerabilities before attackers do? Join a cybersecurity services provider recognised for delivering penetration testing, advisory, and compliance solutions to enterprises. With a reputation for technical expertise and trusted delivery, the organisation continues to help businesses strengthen resilience and protect critical systems against evolving threats. … team is hiring a Penetration Tester to conduct security assessments across applications, networks, and infrastructure. The role will focus on simulating real-world attacks, identifying weaknesses, and providing actionable recommendations to improve overall security posture. Turn offensive skills into defensive strength. Apply now! Responsibilities Conduct hands-on penetration ...

control systems. This role focuses on embedded systems security, including Infineon AURIX TC3xx microcontrollers, Hardware Security Module (HSM) configuration, secure firmware deployment, hardware security testing and vulnerability assessment within safety-critical engine control hardware. Key responsibilities will include: Design and review security architectures for safety-critical Engine Control Units … ECUs) using Infineon AURIX TC3xx microcontrollers Conduct penetration testing, ethical hacking and vulnerability assessments on embedded ECU hardware, interfaces and debugging ports Programme, configure and optimise the isolated HSM core to offload cryptographic tasks from the main engine control host CPUs Implement secure boot flows, root-of-trust ...

stakeholders. Own our security monitoring capability, ensuring effective logging across key platforms and improving detection while preventing alert storms and false positives. Own the penetration testing and vulnerability management programme – not just detecting vulnerabilities, but risk‐assessing them, deciding what needs fixing and working with the tech teams … they build rather than simply dictating standards from a distance. Test security alerts, validate backup integrity, and coordinate business continuity and disaster recovery testing to build organisational resilience. You should apply if: You're just as comfortable running a penetration testing and vulnerability management programme ...

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 DoConduct 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 of existing ...

Solution Architect – Cyber Security is responsible for leading the scoping, shaping and preparation of Statements of Work for security services, particularly focused on Assurance Testing and Penetration Testing services, alongside broader Security pre‐sales engagements. The role works closely with Account Managers, Sales Specialists, Vendor Managers … understanding when additional vendor capabilities or practice areas may be appropriate to meet specific customer requirements. An understanding of the processes and function behind penetration testing and associated services is key within this role. This role will focus primarily around the two areas below in bold, but will ...

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 ...

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 ...

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 ...

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 … 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 ...

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 ...

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 ...

based application security business as a member of the AppSec Engineering team. 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 … constraints of CHECK or CE+ standards, and we're not interested in producing lengthy PDF reports. Instead, our focus is on seamlessly integrating continuous penetration testing into our customers' Software Development Life Cycle (SDLC). Collaborating closely with both our in-house development team and clients ...

Citation Cyber is a leading UK cyber security consultancy delivering penetration testing and related services. We are looking for a Security Consultant to join our CHECK-aligned penetration testing team, delivering assessments across client environments in a hybrid UK role. You will conduct infrastructure ...

Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, certification, consultancy, training and managed services. We are a NCSC CHECK provider and CREST member expanding our penetration testing team. We welcome CTMs or experienced testers to join our growing practice. You will work ...

Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, certification and managed security services. As a Security Consultant you will join our penetration testing team, delivering assessments across client environments, identifying vulnerabilities and presenting remediation guidance to clients. The role emphasises collaboration, continuous ...