1 to 25 of 112 Penetration Testing Jobs in the UK excluding London

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 ❯

clearance We are searching for colleagues to join our expanding consultancy team. Our new colleagues will work as an integral part of our team to primarily deliver high quality penetration testing, red teaming and otherbespokesecurity consultancy work for our clients. Our team is dynamic, innovative and dedicated to making a difference to our customers security efforts. Career development … lifecycle of your work, to engage with and delight our customers and to work autonomously, and as part of our team, to achieve great outcomes, and customer satisfaction. Alongside penetration testing and red-teaming for our customers, opportunities to deliver training, research projects, and to participate in industry events and conferences and are available. Our head office is … be involved in the wider development of the company and service lines, to deliver staff and customer training and undertake development and research are available. Delivery of high quality penetration testing, application security testing and red-team engagements Organising own and others' schedules Assisting in proposal writing and scoping Customer management and debriefing Supporting the wider team More ❯

Vulnerability Management & Penetration Testing Specialist Hands on technical specialist role, the chance to spearhead a technical red team operation. Working Hybrid within one of the most innovative and fastest growing technological companies in the country in the West Midlands. £80,000 p/a + 15% bonus and car scheme. Perfect for candidates that like a challenge and … understanding is also needed. You will bring your Cyber Security and InfoSec knowledge to a point and spearhead a new 'red team' function by being the go to for penetration testing and vulnerability management. What do you need? Hands on vulnerability testing and evaluations, as well as the 'hands off' ability to discuss this with peers. PCI … DSS Pen testing specialist skills. Application development/engineering background Working alongside multi disciplined teams to meet security and lifecycle deadlines. What would be nice to have? Experience of having created Technical Documentation Auditing Evidence of keeping up with Governance and Risk trends Superb well rounded technologist who genuinely is interested in most recent technologies across all fields. To More ❯

Vulnerability Management & Penetration Testing Specialist Hands on technical specialist role, the chance to spearhead a technical red team operation. Working Hybrid within one of the most innovative and fastest growing technological companies in the country in the West Midlands. £80,000 p/a + 15% bonus and car scheme. Perfect for candidates that like a challenge and … understanding is also needed. You will bring your Cyber Security and InfoSec knowledge to a point and spearhead a new 'red team' function by being the go to for penetration testing and vulnerability management. What do you need? Hands on vulnerability testing and evaluations, as well as the 'hands off' ability to discuss this with peers. PCI … DSS Pen testing specialist skills. Application development/engineering background Working alongside multi disciplined teams to meet security and lifecycle deadlines. What would be nice to have? Experience of having created Technical Documentation Auditing Evidence of keeping up with Governance and Risk trends Superb well rounded technologist who genuinely is interested in most recent technologies across all fields. To More ❯

Vulnerability Management & Penetration Testing Specialist Hands on technical specialist role, the chance to spearhead a technical red team operation. Working Hybrid within one of the most innovative and fastest growing technological companies in the country in the West Midlands. £80,000 p/a + 15% bonus and car scheme. Perfect for candidates that like a challenge and … understanding is also needed. You will bring your Cyber Security and InfoSec knowledge to a point and spearhead a new ‘red team’ function by being the go to for penetration testing and vulnerability management. What do you need? Hands on vulnerability testing and evaluations, as well as the ‘hands off’ ability to discuss this with peers. PCI … DSS Pen testing specialist skills. Application development/engineering background Working alongside multi disciplined teams to meet security and lifecycle deadlines. What would be nice to have? Experience of having created Technical Documentation Auditing Evidence of keeping up with Governance and Risk trends Superb well rounded technologist who genuinely is interested in most recent technologies across all fields. To More ❯

CISSP, CEH, or similar) are a plus Bachelor's degree in Cybersecurity, Computer Science, or related field is preferred The successful candidate will have demonstrable knowledge and experience of penetration testing, preferably supported by industry leading qualifications. In addition they will have: SPECIALITIES • Web Application Security (Implementation, detection, mitigation and education) • Penetration Testing and Vulnerability Assessment … Network, SCADA and Web Application) • Mobile phone/Application Penetration Testing (Android/iPhone/iPad) • Computer and Network Forensics (including e-Discovery) • Delivery of Enterprise Wide Security Programs • Operational Security (Incident Response) • Infrastructure Security and Risk assessments • Network Security (border control devices) • Social Engineering • Good client facing skills. • Drive and ambition to provide support the UK business … development executives. In addition the successful candidate may have: • The successful candidate may have published vulnerabilities and white papers. • The successful candidate may have experience in testing Web Services. • The successful candidate may have experience testing mobile applications. CERTIFTICATION & MEMBERSHIPS Core qualifications:- • Current CREST CCT-INF or CREST CCT-APP certifications • Current Check Team Leader (CTL) at NCSC More ❯

Principal Offensive Security Consultant £100k Location: Hybrid (2 days per month in London) Salary: £80,000 - £100,000 + benefits Are you a Senior Offensive Security Consultant or Principal Penetration Tester ready to take the next step into Red Teaming and Adversarial Simulation This is your opportunity to join an agile, rapidly growing UK cyber security consultancy where you … to research and tooling that truly make an impact. About the Role As a Senior/Principal Offensive Consultant , you'll lead complex technical engagements that go beyond standard penetration testing - focusing on advanced exploitative infrastructure testing , Active Directory compromise , and assumed breach assessments . You'll work directly with clients to scope, plan, and deliver high … impact projects, while helping to expand the organisation's Red Team and adversarial simulation services . Key Responsibilities: Lead and deliver high-level infrastructure and Active Directory penetration testing engagements. Conduct advanced exploitative testing , lateral movement analysis, and privilege escalation within real-world environments. Support presales activity - crafting scopes, proposals, and technical solutions aligned with client objectives. More ❯

Poole, Dorset (Hybrid – 3 days/week in the office) You don’t just spot vulnerabilities, you close them before they become a problem. Whether it’s penetration testing, access controls, or a misconfigured firewall, you’ve got the mindset and the method to lock things down. You understand the bigger picture of what security means in a … Dorset (hybrid - 3 days/week in the office) Scope : Work across IT, application, cloud, and physical security, no siloed remits here Responsibility : Be the go-to person for penetration testing, compliance audits, and vulnerability management Environment : Modern SaaS product environment, working alongside DevOps, engineering, and IT Growth : Get stuck into a wide variety of work, with support … from leadership and autonomy to make a real impact What you’ll be doing: Leading vulnerability assessments and coordinating regular penetration testing across systems and products Owning risk remediation actions, from security audits to PCI scans and compliance reporting Working across cloud (AWS), infrastructure, and software environments to ensure security best practices are embedded throughout Supporting the secure More ❯

preferred £65k-£95k Dependant on experience - H igher salary level will be expected to hold additional certifications and lots of INF experience Must be eligible for SC clearance Alongside penetration testing and red-teaming for our customers, opportunities to deliver training, research projects, and to participate in industry events and conferences and are available. Our head office is … be involved in the wider development of the company and service lines, to deliver staff and customer training and undertake development and research are available. Delivery of high quality penetration testing, application security testing and red-team engagements Organising own and others' schedules Assisting in proposal writing and scoping Customer management and debriefing Supporting the wider team … in the delivery of technical engagements Essential Skills Our ideal colleague will be a proven Senior Penetration Tester/INF Security Consultant with the following attributes Excellent general penetration and application security testing skills, with some commercial experience in a similar role Willingness to undergo UK government clearance process (SC minimum) Excellent report writing abilities and a More ❯

Senior Security Consultant Penetration Testing (Web, API & Product Security) Location: Remote (UK) | Competitive Salary + Bonus + Training & Certs Join a CREST-accredited Cyber Security consultancy delivering high-quality penetration testing services across web, mobile, cloud and product environments for organisations in finance, healthcare, SaaS and critical infrastructure. They are looking for a Senior Penetration … with strong commercial experience who is keen to advance their career into more Red Team/Offensive security engagements . Youll take a lead role in delivering assessments, improving testing approaches, and guiding junior team members, while gaining the opportunity to participate in red team activities as part of your growth. What youll do: Deliver Web Application and API … penetration tests , including complex and modern architectures. Lead assessments across infrastructure, cloud and product security , identifying and exploiting real-world risks. Produce high-quality reports and communicate findings clearly to both technical and non-technical stakeholders. Support offensive security tooling improvements and internal research initiatives. Mentor junior testers and play a key part in continuous improvement across testing More ❯

Junior Penetration Tester (Career Switch Opportunity) Location: Hybrid – Bristol/Cheltenham area (travel a couple of times per month, expenses covered) Salary: £30,000 – £40,000 (depending on experience) Clearance: Must be eligible for SC and DV clearance (British citizenship required) About the Role Our client, a specialist cybersecurity consultancy, is seeking technically skilled professionals who are ready to … transition into a hands-on Penetration Testing role. This position is ideal for candidates currently working in roles such as Network Engineer , Systems Administrator , SOC Analyst , or similar, who are looking to move into offensive security and ethical hacking. As a Junior Penetration Tester, you’ll work alongside experienced security consultants on a variety of client engagements … across sectors including defence, government, and critical infrastructure. You’ll gain exposure to a broad range of testing activities — from infrastructure and web application assessments to red teaming and vulnerability research. Key Responsibilities Assist in the delivery of penetration tests and vulnerability assessments. Support senior testers in scoping, executing, and reporting on client engagements. Develop and document exploits More ❯

INFORMATION SECURITY SPECIALIST KEY POINTS * Hybrid working model (Stoke-on-Trent) - up to £55,000 p/a* Focus on application security, code analysis, threat modelling and penetration testing* Work closely with Software Development teams across a large technical environment* Opportunity to influence secure development practices and automation initiatives ABOUT THE CLIENT We're supporting a respected and … approach* Exposure to enterprise and bespoke tooling, including AI-enhanced security processes* Strong opportunities for professional growth and cross-team collaboration* Chance to contribute to the evolution of security testing methodologies and automation THE INFORMATION SECURITY SPECIALIST ROLE: In this role, you'll focus on securing internally developed and third-party applications, carrying out code reviews, threat modelling, and … application penetration testing. You'll partner closely with Software Development teams to ensure secure design principles are understood and embedded throughout the Software Development Lifecycle (SDL). You'll support improvements to security tooling, enhance supply-chain assurance, contribute to project security reviews, and help drive the move towards automated processes where suitable. INFORMATION SECURITY SPECIALIST ESSENTIAL SKILLS * Experience More ❯

analyse the global threat landscape to identify emerging risks, adversary tactics, and trends relevant to the organization's business and technology environment Collaborate with Red Team, Blue Team, and Penetration Testing teams to integrate threat intelligence into testing scenarios using Breach & Attack Simulation (BAS) platforms and enhance defensive strategies Act as a liaison between threat intelligence and … intelligence and offensive security operations Ad hoc requests from your line manager Cyber Security Analyst Ideal Candidate: At least 5 years of experience in threat intelligence, cybersecurity operations, or penetration testing Ability to collaborate across technical teams, including Red/Blue teams and SOC Familiarity with threat intelligence platforms (TIPs), SIEMs, and threat data enrichment tools Experience using … Breach and Attack Simulation (BAS) platforms Strong understanding of adversary tactics, techniques, and procedures (TTPs), MITRE ATT&CK framework, and threat modelling Hands-on experience with penetration testing tools such as Metasploit Framework, Burp Suite, Kali Linux, and Pentera Experience producing threat reports and briefings Business level fluency in English Japanese, Cantonese, Mandarin language would be advantageous due More ❯

Penetration Tester – Bristol | Full-Time | Hybrid with Client Travel Salary: £30,000 - £65,000pa (Depending on experience) My client is a UK-based technology and cybersecurity consultancy delivering cutting-edge solutions across sectors including telecoms, finance, defence, rail, and aerospace. With expertise in cybersecurity, software development, and R&D, they work on some of the most critical and challenging … projects in the UK and beyond. The Role They’re looking for an experienced Penetration Tester to join their expert team in Bristol. You’ll be responsible for conducting advanced penetration tests, red team exercises, and vulnerability assessments, helping clients strengthen their defences and reduce risk. What You’ll Do Perform penetration testing across networks, systems … assessments and red teaming activities Create detailed reports and communicate findings clearly to clients Contribute to internal research and tool development What You’ll Bring 2+ years’ experience in penetration testing or vulnerability assessment CHECK, CREST, or equivalent certification Strong technical understanding of networks, OS, and security tools (Metasploit, Burp Suite, Nmap, etc.) Excellent communication and problem-solving More ❯

effective security controls and countermeasures. Conduct threat modelling exercises to identify potential security risks and vulnerabilities early in the development lifecycle. Conduct in-depth security assessments, code reviews, and penetration testing of applications to identify and mitigate security vulnerabilities. Utilise industry-standard tools and methodologies to assess the security posture of applications and provide actionable recommendations for remediation … person, with the ability to educate and influence on Application Security matters Basic experience in Software Development with any programming language Security Test Management Application Security Assessments Security Assurance Penetration Testing Security Evaluation & Functional Testing Application Security Testing If the above is of interest, please apply with an updated copy of your CV and a member More ❯

Penetration Tester (OSCP) Location: Remote Position Type: Full-time Reports to: Senior Penetration Tester About the Organisation A high-growth security consultancy working across government, space programmes, and FTSE 100 organisations is expanding its offensive security function. The team delivers complex, high-impact testing and simulation work for clients across the UK, US, and Europe. With a … retention, and a track record of delivering cutting-edge work, this is an opportunity to develop quickly in a technically challenging environment. Role Overview We’re looking for a Penetration Tester/Red Team Consultant with 1–3 years’ experience who thrives on variety, problem-solving, and continuous learning. You’ll deliver offensive security assessments, red team operations, and … Responsibilities Deliver red team, purple team, and wider offensive security engagements. Conduct attack simulations, threat modelling, and targeted technical testing. Carry out occasional physical security assessments. Produce high-quality penetration testing and red team reports. Communicate findings clearly to both technical and non-technical stakeholders. Support the development of offensive security services and internal methodologies. Contribute to R More ❯

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. Job Details Key Responsibilities Work to deliver CHECK penetration testing … team to flesh out technical input as needed. Deliver quality reports to customers. Stay up to date with industry trends and new attack methods. Take a broad approach to testing, working on INF, APP, Mobile, AD, or Cloud tests. Essential Skills Currently holds a CHECK equivalency certification. Eligibility to hold or currently hold clearance. Experience working with Linux and More ❯

/IPS, endpoint protection, etc.). • Monitoring security policies, standards, and best practices. • Reviewing and monitoring user access and identity management controls across systems. • Key activities in relation to Penetration Testing & Vulnerability Assessments will include conducting internal and external penetration tests to evaluate system security. • Performing regular vulnerability scans using tools like Nessus, Qualys, or OpenVAS. • Analysing … of Information and Cyber Security practices like NIST, Cyber Essentials +, ISO27001. • Familiarity with regulatory compliance and auditing standards. • Ability to identify, assess and mitigate security risks. • Knowledge of penetration testing and vulnerability scanning tools like Nessus and Qualys. • Proficiency in applying security tooling including firewalls, VPN’s, Network Traffic Analysis. • Knowledge of network protocols TCP/IP More ❯

Vulnerability Management & Penetration Testing Specialist Hands on technical specialist role, the chance to spearhead a technical red team operation. Working Hybrid within one of the most innovative and fastest growing technological companies in the country in the West Midlands. £80,000 p/a + 15% bonus and car scheme click apply for full job details More ❯

and resolve cyber incidents promptly and effectively. Implement and manage security measures including firewalls, encryption, and endpoint protection. Maintain clear documentation of breaches, assessments, and remediation actions. Conduct vulnerability testing, penetration testing, and risk assessments. Collaborate with the IT Security Manager to identify and mitigate network vulnerabilities. Analyse logs from multiple sources to detect and respond to More ❯

apps that sync with the client’s hardware devices Drive DevOps best practices across CI/CD pipelines, monitoring, and deployment Design and maintain a cybersecurity-first architecture, including penetration testing Optimise an Azure-based infrastructure for high availability and cost efficiency Collaborate with cross-functional teams to deliver impactful new features Shape the design of future products … Tech Stack Web: ASP.NET Core, C#, JavaScript, HTML/CSS PC: C#, XAML, USB-MTP Mobile: Cordova (iOS & Android) Cloud: Microsoft Azure, CI/CD pipelines, version control, automated testing Security: Secure coding, authentication, penetration testing Hardware: Industry-leading devices, digitally integrated What They are Looking For KO2’s client is seeking a creative, forward-thinking developer More ❯

apps that sync with the client's hardware devices Drive DevOps best practices across CI/CD pipelines, monitoring, and deployment Design and maintain a cybersecurity-first architecture, including penetration testing Optimise an Azure-based infrastructure for high availability and cost efficiency Collaborate with cross-functional teams to deliver impactful new features Shape the design of future products … Tech Stack Web: ASP.NET Core, C#, JavaScript, HTML/CSS PC: C#, XAML, USB-MTP Mobile: Cordova (iOS & Android) Cloud: Microsoft Azure, CI/CD pipelines, version control, automated testing Security: Secure coding, authentication, penetration testing Hardware: Industry-leading devices, digitally integrated What They are Looking For KO2's client is seeking a creative, forward-thinking developer More ❯

apps that sync with the client's hardware devices Drive DevOps best practices across CI/CD pipelines, monitoring, and deployment Design and maintain a cybersecurity-first architecture, including penetration testing Optimise an Azure-based infrastructure for high availability and cost efficiency Collaborate with cross-functional teams to deliver impactful new features Shape the design of future products … Tech Stack Web: ASP.NET Core, C#, JavaScript, HTML/CSS PC: C#, XAML, USB-MTP Mobile: Cordova (iOS & Android) Cloud: Microsoft Azure, CI/CD pipelines, version control, automated testing Security: Secure coding, authentication, penetration testing Hardware: Industry-leading devices, digitally integrated What They are Looking For KO2's client is seeking a creative, forward-thinking developer More ❯

Experience with security and compliance tools such as ISMS Online, Qualys VMDR, and Cofense phishing simulation would be highly advantageous. The role requires strong proficiency in vulnerability management, coordinating penetration testing, supplier security assurance, and incident response. A thorough understanding of legal and procedural obligations relating to data protection and information governance is essential. Excellent communication and stakeholder … and Experience Proven experience managing an enterprise ISMS and leading ISO 27001 audits. Strong understanding of cyber threats, cloud security (Azure, M365), and regulatory compliance. Experience with supplier assurance, penetration testing, and vulnerability management. Excellent stakeholder engagement and communication skills. Ability to work independently and influence cross-functional teams. Familiarity with Cofense phishing simulation tool, ISMS Online, Qualys More ❯

Hybrid working arrangement - Up to £55,000 p/a* Opportunity to work across vulnerability management and wider security operations* Exposure to class-leading scanning tools and third-party penetration testing* Competitive package (DOE) ABOUT THE CLIENT We're supporting an established organisation with a strong technical footprint that is continuing to invest in its security posture. They … management processes, ensuring endpoints and systems are scanned, monitored, and assessed for risk. You'll review and interpret vulnerability scan results, assist with scheduling and planning internal and external testing activities, and support the collation and communication of security reports. You'll also liaise with technical and non-technical stakeholders to discuss risk, remediation options, and compliance requirements across … express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS Cyber Security, Vulnerability Management, Penetration Testing, Risk Assessment, Compliance, PCI DSS, Security Tooling, Governance, SIEM, Endpoint Security, Security Investigations More ❯