1 to 25 of 130 Penetration Testing Jobs in the UK excluding London

Life on the team Computacenter is growing our penetration testing capability and we are looking for an experienced penetration tester to support the delivery of vulnerability assessment and penetration testing services to Computacenter and our customers delivered services. As a highly skilled and motivated Penetration Tester, you will join our dynamic Cybersecurity team. In … this role, you will be responsible for identifying vulnerabilities in systems, applications, and networks through a variety of penetration testing methodologies. Your expertise will play a critical role in strengthening our security posture and safeguarding our valuable assets from cyber threats. We are keen to develop our own people and will look at individuals, you will be involved … Security Professionals. If you are looking for a team that offers development and flexibility look no further and apply today What you'll do A highly skilled and motivated Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in our systems, applications, and networks through various penetration testing More ❯

London, UK - Milton Keynes, UK - Mobile England, UK - Nottingham, UK - Reading Job-ID: 214652 Contract type: Standard Business Unit: Cyber Security Life on the team Computacenter is growing our penetration testing capability and we are looking for an experienced penetration tester to support the delivery of vulnerability assessment and penetration testing services to Computacenter and … our customers delivered services. As a highly skilled and motivated Penetration Tester, you will join our dynamic Cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in systems, applications, and networks through a variety of penetration testing methodologies. Your expertise will play a critical role in strengthening our security posture and safeguarding our valuable … Security Professionals. If you are looking for a team that offers development and flexibility look no further and apply today What you'll do A highly skilled and motivated Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in our systems, applications, and networks through various penetration testing More ❯

London, UK - Milton Keynes, UK - Mobile England, UK - Nottingham, UK - Reading Job-ID: 214652 Contract type: Standard Business Unit: Cyber Security Life on the team Computacenter is growing our penetration testing capability and we are looking for an experienced penetration tester to support the delivery of vulnerability assessment and penetration testing services to Computacenter and … our customers delivered services. As a highly skilled and motivated Penetration Tester, you will join our dynamic Cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in systems, applications, and networks through a variety of penetration testing methodologies. Your expertise will play a critical role in strengthening our security posture and safeguarding our valuable … Security Professionals. If you are looking for a team that offers development and flexibility look no further and apply today What you'll do A highly skilled and motivated Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in our systems, applications, and networks through various penetration testing More ❯

London, UK - Milton Keynes, UK - Mobile England, UK - Nottingham, UK - Reading Job-ID: 214652 Contract type: Standard Business Unit: Cyber Security Life on the team Computacenter is growing our penetration testing capability and we are looking for an experienced penetration tester to support the delivery of vulnerability assessment and penetration testing services to Computacenter and … our customers delivered services. As a highly skilled and motivated Penetration Tester, you will join our dynamic Cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in systems, applications, and networks through a variety of penetration testing methodologies. Your expertise will play a critical role in strengthening our security posture and safeguarding our valuable … Security Professionals. If you are looking for a team that offers development and flexibility look no further and apply today What you'll do A highly skilled and motivated Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in our systems, applications, and networks through various penetration testing More ❯

London, UK - Milton Keynes, UK - Mobile England, UK - Nottingham, UK - Reading Job-ID: 214652 Contract type: Standard Business Unit: Cyber Security Life on the team Computacenter is growing our penetration testing capability and we are looking for an experienced penetration tester to support the delivery of vulnerability assessment and penetration testing services to Computacenter and … our customers delivered services. As a highly skilled and motivated Penetration Tester, you will join our dynamic Cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in systems, applications, and networks through a variety of penetration testing methodologies. Your expertise will play a critical role in strengthening our security posture and safeguarding our valuable … Security Professionals. If you are looking for a team that offers development and flexibility look no further and apply today What you'll do A highly skilled and motivated Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in our systems, applications, and networks through various penetration testing More ❯

London, UK - Milton Keynes, UK - Mobile England, UK - Nottingham, UK - Reading Job-ID: 214652 Contract type: Standard Business Unit: Cyber Security Life on the team Computacenter is growing our penetration testing capability and we are looking for an experienced penetration tester to support the delivery of vulnerability assessment and penetration testing services to Computacenter and … our customers delivered services. As a highly skilled and motivated Penetration Tester, you will join our dynamic Cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in systems, applications, and networks through a variety of penetration testing methodologies. Your expertise will play a critical role in strengthening our security posture and safeguarding our valuable … Security Professionals. If you are looking for a team that offers development and flexibility look no further and apply today What you'll do A highly skilled and motivated Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in our systems, applications, and networks through various penetration testing More ❯

At Instil we specialise in providing human-focused security and penetration testing services for web applications, cloud infrastructure and mobile applications. The Role We are looking for a Penetration Tester to join our dynamic team based in Belfast. As a Pen Tester, you will be part of the delivery team, conducting penetration tests and vulnerability assessments … Holiday Life Assurance Cycle to Work Scheme Day to Day Probe & exploit security vulnerabilities in client's Infrastructure/cloud, Web Applications and Mobile Applications using a variety of penetration tests. Write detailed reports outlining vulnerabilities and providing actionable recommendations. Collaborate with clients during kick-off and discovery sessions, providing expert advice. Stay current with the latest security threats … vulnerabilities, and trends. Research offensive security techniques to assess and validate infrastructure and technologies, including cloud-based systems. Automate repetitive tasks by developing scripts to streamline testing processes. Mentor junior penetration testers and contribute to their professional development. Play a key role in enhancing existing tools, methodologies, and reports. Occasionally support pre-sales efforts by acting as a More ❯

At Instil we specialise in providing human-focused security and penetration testing services for web applications, cloud infrastructure and mobile applications. The Role We are looking for a Mid/Senior Penetration Tester to join our dynamic team based in Belfast. As a Pen Tester, you will be part of the delivery team, conducting penetration tests … Healthcare Life Assurance Cycle to Work Scheme Day to Day Probe & exploit security vulnerabilities in client's Infrastructure/cloud, Web Applications and Mobile Applications using a variety of penetration tests. Write detailed reports outlining vulnerabilities and providing actionable recommendations. Collaborate with clients during kick-off and discovery sessions, providing expert advice. Stay current with the latest security threats … techniques to assess and validate infrastructure and technologies, including cloud-based systems continuously incorporating new techniques into the team's methodology. Automate repetitive tasks by developing scripts to streamline testing processes. Mentor junior penetration testers and contribute to their professional development. Play a key role in enhancing existing tools, methodologies, and reports. Support pre-sales efforts by acting More ❯

Information Security and policies. You will interact with IT representatives to ensure adherence to corporate and information security policies. You will have skills to provide expert level assurance in penetration testing and vulnerability assessments. The ability to manage business and IT expectations, compliance, and Security requirements are critical to success. You should also have the ability to manage … a small team/vendor resources for tasks assigned by Cyber Assurance Program Managers. Each Technical Project Manager will be responsible for oversight of a subset of annual penetration tests. This includes planning, execution and closure tasks (i.e Scoping, ensuring all prerequisites are in place, tests run on schedule, reports received, remediation advice is clear, setting up post test … calls) to ensure AXA XL can meet its testing goals. Knowledge of the security impact and implementation of the triad (confidentiality, integrity, and availability) on applications and the appropriate risks to present to business management are key ingredients to this position. To that effect, you should be a CISSP or be able to obtain the same certification within two More ❯

is not available. Who we are: Cyber Guarded Ltd is a long-established and independent cyber security company based in Belfast. As the premier NCSC-approved supplier for CHECK Penetration Testing in Northern Ireland, including Cyber Incident Exercising being conducted at the highest levels, along with Cyber Advisor - Cyber Essentials, we support clients across both public and private … sectors. As we continue to grow significantly, securing significant contracts across Northern Ireland, we’re strengthening our technical team to meet demand. We are seeking skilled Penetration Testers who are either already Cyber Scheme Team Member (CSTM) or CREST Registered Penetration Tester (CRT) or have the technical ability and motivation to gain the above qualifications in the near … future to achieve NCSC CHECK Penetration Testing status. What You’ll Do: Perform infrastructure, web, cloud, and OT penetration testing Produce clear, actionable reports and remediation advice Engage with clients through the full testing lifecycle Contribute to tooling, methodology, and internal R&D What We’re Looking For: Hands-on experience in professional penetration More ❯

role. This role will focus on creating a business strategy, gap analysis and implementation, for securing their Azure-based infrastructure, integrating security automation, ensuring PCI DSS compliance, vulnerability and penetration testing and incident response. This role will focus on developing and maintaining secure, scalable Azure DevOps pipelines and Infrastructure as Code (IaC) using Terraform. Their ideal candidate will … Detection & SOAR Automation: Oversee Security Orchestration, Automation, and Response (SOAR) solutions including SOC Prime. Network & Application Security: Manage Web Application Firewalls (WAF) and Intrusion Prevention Systems (IPS). Vulnerability & Penetration Testing: Review Penetration Testing, vulnerability assessments, and security scanning to proactively identify and remediate risks. PCI DSS Compliance: Conduct security audits, risk assessments, and ensure regulatory … contract continuity. Required Strong expertise in Azure cloud security, Microsoft Defender, and Microsoft Sentinel. Proven experience in SOAR technologies for security automation and response orchestration. Hands-on experience with penetration testing, vulnerability assessments, and security scanning. Experience implementing and managing WAF, IPS, and DNS security solutions. Extensive experience with Terraform for IaC security automation. Knowledge of DevOps pipelines More ❯

Why join Dionach by Nomios? 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. Dionach by Nomios holds impressive … If you require accommodations during the 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 and in accordance with project requirement. … scoping. You will have the opportunity to work on a wide range of services: web and mobile application tests, internal tests, infrastructure tests, but also, social engineering. Ensure all testing activities comply with CHECK standards. What We're Looking For Experience : Significant experience in penetration testing, including network, web application and internal penetration testing as More ❯

Join a dynamic cybersecurity team near Doncaster or Manchester, where you'll play a key role in securing clients' digital landscapes. As a penetration testing expert, you will work on cutting-edge projects across infrastructure, web applications, mobile, and cloud environments. Collaborating with a talented team, you'll have the opportunity to contribute to innovative cybersecurity solutions while … enjoying continued growth and development in the field. Take the next step in your cybersecurity career-apply now! Responsibilities: Conduct penetration testing on infrastructure, web applications, mobile platforms, and cloud environments to uncover vulnerabilities. Analyze testing outcomes and provide actionable recommendations to improve security measures. Collaborate with cross-functional teams to develop and implement security strategies. Stay … updated on emerging cybersecurity threats and adapt testing methodologies accordingly. Skills/Must Have: Proven experience in penetration testing for infrastructure, web applications, mobile, and cloud environments. Strong understanding of networking protocols, systems architecture, and security best practices. Proficiency in using penetration testing tools and techniques to identify vulnerabilities. Excellent problem-solving skills with a More ❯

real difference in the cybersecurity space? If so, this could be the perfect opportunity for you. Morela is proud to be supporting our client in their search for a Penetration Tester (Contract – 3 months with a view to extend). The Role In the role of Penetration Tester, you’ll be involved in client projects performing a range … of security evaluations. This contract position provides the opportunity to work across different areas of penetration testing, allowing you to gain diverse and meaningful experience throughout the engagement. Rate: £350 per day (Outside IR35) Location: Manchester (Hybrid Working) Must Have: Demonstrated experience working full-time in penetration testing roles Solid technical expertise necessary to navigate and … succeed in the interview process Skilled at articulating both technical details and business implications clearly and confidently Primary Duties: Conduct penetration testing assignments solo and collaboratively within teams Maintain effective communication with clients throughout all stages of testing Compile and deliver clear, concise reports outlining security weaknesses and recommendations Engage in diverse and challenging penetration testing More ❯

the most trusted technology solutions partner; renowned for being the best and brightest, having lasting impact with our customers and delivering exceptional returns to our stakeholders. Position Summary The penetration testing team at Claranet Cyber Security is composed of highly skilled, professional ethical hackers with a real passion for improving our clients’ security posture by demonstrating how systems … can be compromised and what steps can be taken to defend. Team members work on everything from client projects to development work and training, dealing with large corporate penetration tests to gaining credit for published advisories. Role Mission Claranet’s strategy is to build long-term, trusted relationships with its customers by delivering market-leading, integrated managed services. We … are seeking highly driven and aspirant penetration testing consultants to conduct a broad range of specialist engagements. Duties and Responsibilities Essential Roles & Responsibilities As an Associate Penetration Tester at Claranet, you will able to deliver you own web application tests and through training and partnering, you will have the opportunity to become involved in a full range More ❯

Role: Penetration Tester Type: Permanent Location: Cheltenham/Remote Clearance: SC/DV Are you an offensive security specialist who is excited about delivering the best service possible? Keen to work in a business where you stand to work alongside some very talented testers? CND are working with a boutique Cyber Security consultancy who are focused on the Penetration Testing market. What makes them stand out? They are not interested in flashy marketing and would never be caught trying to pass off a Nessus scan as a Penetration Test. The business has been built on delivering excellent testing and reports as well as ensuring that clients see the real benefits of their testing outputs. … The company have an office in Cheltenham however you are welcome to work where is best for you. Key Responsibilities: • Work to deliver CHECK penetration testing services • Lean into non-CHECK work where necessary • Work with the sales team to flesh out technical input as needed • Deliver quality reports to customers, • Stay up to date with industry trends More ❯

Title: Senior Penetration Testing Consultant Salary: Up to £50,000 Hybrid working (1 day per quarter in the office) Summary: A Senior Penetration Testing Consultant is responsible for leading and conducting advanced penetration tests across networks, applications, and infrastructure. This remote-first role involves defining scopes with clients, executing technical assessments, and delivering detailed reports … with remediation guidance. The position requires strong technical leadership, mentoring junior testers, and staying ahead of emerging cyber threats through research and innovation. Key Responsibilities: Perform advanced penetration tests and vulnerability assessments. Engage with clients to define testing objectives and provide expert consultancy. Lead junior testers, review reports, and ensure technical accuracy. Deliver clear, comprehensive documentation and present … findings to clients. Innovate and contribute to new tools, methodologies, and red team capabilities. Collaborate across security teams and maintain strong client relationships. Support project delivery and manage multiple testing engagements. Requirements: Extensive experience in penetration testing and ethical hacking. Certifications such as OSCP, CRT, CSTM, or equivalent. Must hold Check Team Member (CTM) status Proficiency with More ❯

ReRoot Cyber is seeking highly skilled and forward-thinking penetration testers to join one of the UK’s most respected testing teams for their Scotland division. This is an independent, privately owned testing consultancy led by industry-recognised names who are hackers at heart. This team is led by an active penetration tester who understands the … niggles of day penetration testing operations. As a result, engagements are centred around making your day-to-day responsibilities as easy as possible, with a pure focus on value added testing. They have no problem with 2+1’s and pub sec engagements... but that’s not where they phish. Most of your time will be spent on advanced … testing and large-scale engagements that give you the opportunity to collaborate with wider technologists. (engineers, developers and blue teamers) If you thrive on bringing ideas to life, creating bespoke tools and adding true value to your clients, then this is the penetration testing team for you. This is a home based position with very very very More ❯

are looking for a technically exceptional and visionary Senior Manager to lead our Offensive Security function. This role is both strategic and hands-on, responsible for delivering high-impact penetration testing, attack surface management, and a mature bug bounty program. The ideal candidate will be a transformation leader with deep technical expertise in offensive security and a passion … Security will serve as both a strategic leader and hands-on technical expert, driving the evolution of our offensive security capabilities. This role is accountable for delivering high-impact penetration testing, managing our attack surface, and overseeing a global bug bounty program. With a strong focus on identifying control gaps and advancing purple team maturity, the ideal candidate … a transformation mindset, and a proven ability to lead and inspire high-performing teams in a dynamic, threat-informed environment. RESPONSIBILITIES Technical Leadership & Execution - Personally lead and execute advanced penetration tests, red/purple team exercises, and adversary emulation campaigns across cloud, application, and infrastructure layers. - Identify and exploit vulnerabilities to simulate real-world attack scenarios, validate detection and More ❯

are looking for a technically exceptional and visionary Senior Manager to lead our Offensive Security function. This role is both strategic and hands-on, responsible for delivering high-impact penetration testing, attack surface management, and a mature bug bounty program. The ideal candidate will be a transformation leader with deep technical expertise in offensive security and a passion … Security will serve as both a strategic leader and hands-on technical expert, driving the evolution of our offensive security capabilities. This role is accountable for delivering high-impact penetration testing, managing our attack surface, and overseeing a global bug bounty program. With a strong focus on identifying control gaps and advancing purple team maturity, the ideal candidate … a transformation mindset, and a proven ability to lead and inspire high-performing teams in a dynamic, threat-informed environment. RESPONSIBILITIES Technical Leadership & Execution - Personally lead and execute advanced penetration tests, red/purple team exercises, and adversary emulation campaigns across cloud, application, and infrastructure layers. - Identify and exploit vulnerabilities to simulate real-world attack scenarios, validate detection and More ❯

Penetration Tester Infrastructure (UK-Based, Remote) We are currently recruiting for an experienced Penetration Tester specialising in Infrastructure Testing on behalf of a leading UK-based security consultancy. This company is renowned for its innovative approach to security, providing ongoing vulnerability assurance and continuous threat management through its advanced portal solution, beyond traditional point-in-time assessments. … The Role: As an Infrastructure Penetration Tester , you will be responsible for conducting thorough and formal assessments, delivering high-quality written reports that meet both industry standards and client deadlines. You will also support pre-engagement activities such as scoping projects and drafting proposals. Research into vulnerabilities within infrastructure and applications will be a key part of your role … with a commitment to responsible disclosure practices. Key Responsibilities: Conduct Comprehensive Testing: Perform formal, in-depth penetration tests focused on infrastructure and occasionally other areas. Reporting: Deliver detailed, well-structured technical and non-technical reports in English. Vulnerability Assessments: Identify vulnerabilities and provide actionable remediation recommendations. Pre-Engagement Support: Assist in scoping client projects and drafting proposals to More ❯

About Darkshield Darkshield is an expert cybersecurity agency based in York, UK. We help organisations navigate an increasingly complex digital landscape by providing expert services in penetration testing, vulnerability assessment, managed security, and more. Our mission is to protect businesses by delivering tailored, cutting-edge cybersecurity solutions that keep them resilient and ahead of cyber threats. The Role … We are looking for an experienced Penetration Tester to join our team. You will conduct security assessments and ethical hacking activities to identify vulnerabilities in client systems. This role requires a deep understanding of attack techniques, security frameworks, and risk mitigation strategies. Key Responsibilities Conduct penetration testing on networks, applications, and infrastructure. Identify, analyse, and report security … vulnerabilities. Simulate cyberattacks to evaluate security defences. Develop security testing methodologies and improve existing processes. Collaborate with clients to provide security recommendations and mitigation strategies. Stay up to date with the latest security threats, exploits, and hacking techniques. Assist in security awareness training and red team exercises. Provide clear and actionable reports to both technical and non-technical audiences. More ❯

our business and are fundamental to providing industry-leading customer service. About the Cyber Security Engineer role. The role of our Cyber Security Engineer involves discovering system vulnerabilities via penetration testing or threat modelling, working with DevOps, IT and compliance teams to enforce policies, responding to security incidents, and evolving defences to meet shifting risks. Key responsibilities include … alerts. Security Audits: Perform regular audits to ensure that systems and networks are operating securely. Security Tools Implementation: Recommend and implement security tools to enhance network and system security. Penetration Testing: Work with 3rd Parties to conduct penetration testing to identify vulnerabilities in the system. Technical Advice: Provide technical advice to colleagues and staff to ensure More ❯

About Darkshield Darkshield is an expert cybersecurity agency based in York, UK. We help organisations navigate an increasingly complex digital landscape by providing expert services in penetration testing, vulnerability assessment, managed security, and more. Our mission is to protect businesses by delivering tailored, cutting-edge cybersecurity solutions that keep them resilient and ahead of cyber threats. The Role … skills, and the ability to work collaboratively with clients and internal teams. Key Responsibilities Design, implement, and maintain security solutions to protect networks, applications, and data. Conduct security assessments, penetration testing, and vulnerability management. Monitor and respond to security incidents, ensuring swift mitigation and resolution. Develop and enforce security policies, procedures, and best practices. Perform security audits and … efforts, ensuring alignment with industry standards and regulations. Requirements Proven experience in cybersecurity engineering or a related field. Strong understanding of network security, cryptography, and security frameworks. Experience with penetration testing, vulnerability management, and incident response. Familiarity with security tools such as SIEMs, IDS/IPS, firewalls, and endpoint security solutions. Proficiency in scripting languages (e.g., Python, Bash More ❯

We are seeking a skilled and proactive Cloud Security Engineer to conduct white-hat security testing on our SaaS-based application, which is deployed across multiple cloud providers. You will be responsible for identifying vulnerabilities, assessing risks, and helping us implement secure practices, including the integration of Trusted Execution Environments (TEEs) . Key Responsibilities: Perform white-hat (ethical) penetration testing on our cloud-hosted SaaS appliance. Identify and report vulnerabilities across application layers, APIs, and infrastructure. Collaborate with development teams (Go and Node.js) to remediate security issues. Evaluate and Test TEE solutions (e.g., AWS Nitro Enclaves, Azure Confidential Computing and Google Confidential Computing.). Conduct threat modeling and risk assessments. Develop and maintain security testing tools … and automation scripts. Stay current with emerging security threats, vulnerabilities, and mitigation techniques. Proven experience in penetration testing and ethical hacking. Strong understanding of cloud security (AWS, Azure, GCP). Familiarity with Go and Node.js application security. Experience with TEE technologies or confidential computing. Knowledge of OWASP Top 10, CVEs, and secure coding practices. Proficiency with tools like More ❯