Leeds, West Yorkshire, Yorkshire, United Kingdom Hybrid / WFH Options
OpenSourced Ltd
PenetrationTester Infrastructure (UK-Based, Remote) We are currently recruiting for an experienced PenetrationTester 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 PenetrationTester , 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 More ❯
PenetrationTester £70000 - 100000 GBP 10% bonus Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent PenetrationTester - Infrastructure Salary: £70,000-£100,000 (depending on experience) Location: Hybrid - London (2 days per week on-site) Note: To be eligible for this role, you must be eligible for UK Security Clearance (SC). A … high-performing digital security team is looking for an experienced Infrastructure PenetrationTester to join them in delivering critical assessments across complex and sensitive client environments. This is a hands-on internal testing role, not web application focused, where you'll be expected to work independently and navigate challenging systems with confidence. This role is suited to testers … who thrive in technically demanding scenarios, want autonomy, and are motivated by work with real-world impact. Key Responsibilities Conduct internal infrastructure and Active Directory penetration tests in live production environments Produce clear, concise reports tailored to both technical and non-technical audiences Build trusted relationships with clients in a consultancy-facing capacity Work within a small, high-trust More ❯
Manchester, North West, United Kingdom Hybrid / WFH Options
FryerMiles Recruitment
PenetrationTester - Manchester Hybrid - £50,000 - £60,000 (DOE) FryerMiles are delighted to be partnered with a leading cyber security consultancy that work with a diverse range of clients on exciting projects and engagements who are looking to hire an experienced penetration tester. This is hybrid position that requires office presence twice a week in the clients … a British Citizen and be eligible for SC Clearance, so unfortunately sponsorship cannot be offered for this position. Experience & Requirements: 2+ years of hands on experience working as a penetrationtester in a consultative capacity Demonstratable experience in delivering Web Application and Infrastructure/cloud tests Relevant penetration testing certifications (OSCP, CRT, CCT) Experience of relevant toolings … and bonuses that are on offer. If you think this position could be a good fit for you, then please apply directly or reach out to to learn more PenetrationTester - Manchester Hybrid - £50,000 - £60,000 (DOE More ❯
Birmingham, West Midlands, England, United Kingdom Hybrid / WFH Options
Akkodis
PenetrationTester Up to £85K Basic + Company Benefits I'm currently hiring a PenetrationTester for a forward-thinking organisation based in the West Midlands offering a blend of hands-on technical challenges and real impact within Critical National Infrastructure (CNI). Hybrid working - 2 days per week in the office and you must be More ❯
Reading, Berkshire, United Kingdom Hybrid / WFH Options
Pertemps
As a Senior Security PenetrationTester , 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 an understanding of TVM concepts, technologies … candidate will possess strong communication and will be committed to ensuring the highest level of security, compliance, and user experience. What you'll be doing as a Senior Security PenetrationTester Help support and develop an internal penetration testing function. Conduct network, application penetration testing, code and security reviews. Identify and exploit vulnerabilities through proof-of … implemented and maintained. Responsible for supporting the creation of the operating model for vulnerability management, that it is shared, agreed and operates effectively across the business. Develop and maintain penetration testing documentation, policies, and procedures. Integrate cybersecurity solutions (e.g. vulnerability scanning tools) with existing systems, applications, and infrastructure. Evaluate and recommend technologies, tools, and vendors to meet business needs. More ❯
Cheltenham, Gloucestershire, South West, United Kingdom Hybrid / WFH Options
Yolk Recruitment
Senior PenetrationTester | 12 Month Initial Contract | £750 - £850 per day (Inside IR35) | Cheltenham or London | 1 day per week on-site | SC Clearance Eligibility Required MERITUS Talent are working with a boutique Defence consultancy supporting a UK Central Government department in their Cyber Security function. We're looking for an experienced Senior PenetrationTester with … leads, particularly those working independently without peer support. Advising the wider project team on best practices in red teaming and adversary simulation. Skills Required: Solid hands-on experience in penetration testing and red teaming, particularly in operational environments. A background in technical QA - reviewing, validating, and improving the output of other testers. Experience as an assessor or contributor to More ❯
Nuneaton, Warwickshire, United Kingdom Hybrid / WFH Options
IntaForensics
services and digital investigations services to a wide variety of customers and maintains specialist teams to deliver these services. The Position This is an exciting opportunity for an experienced PenetrationTester to join our expanding Cyber team. You will be responsible for delivering comprehensive Penetration Testing Services to clients across both public and private sectors, ensuring work … is performed to the highest professional standards. Key Responsibilities Conduct thorough penetration tests on infrastructure, web applications, APIs, mobile applications, and cloud environments. Perform vulnerability and cloud assessments using a variety of tools and techniques. Document testing procedures, findings, and recommendations in detailed reports for both technical and non-technical audiences. Serve as the primary point of contact for … are robustly adhered to. Ensuring that the company's security procedures ISO 27001 are robustly adhered to. What We're Looking For 3 + years' experience working as a PenetrationTester OSCP Certified Proficiency in penetration testing tools such as Burp Suite, Nessus etc. Good interpersonal skills. Experience of technical report writing. Has the ability to deal More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
4Square Recruitment Ltd
My consultancy client who work with a number of household names in the Finance, Insurance and Retail sector are looking to hire a full-time PenetrationTester to support one of their key clients. This role is hybrid working and is working 2 days a week on the client site. In this role you will be responsible for … delivering comprehensive Penetration Testing Services to the end client s, ensuring work is performed to the highest professional standards. Key Responsibilities Conduct thorough penetration tests on infrastructure, web applications, APIs, mobile applications, and cloud environments. Perform vulnerability and cloud assessments using a variety of tools and techniques. Document testing procedures, findings, and recommendations in detailed reports for both … and 9001 are robustly adhered to. Ensuring that the company’s security procedures ISO 27001 are robustly adhered to. Essential Skills & Experience 3 + years’ experience working as a PenetrationTester OSCP Certified Proficiency in penetration testing tools such as Burp Suite, Nessus etc. Good interpersonal skills. Problem solver. Experience of technical report writing. Has the ability More ❯
Stratford-upon-avon, Warwickshire, United Kingdom Hybrid / WFH Options
Ccl Solutions Group
Summary: CCL Solutions Group is seeking an exceptional Senior PenetrationTester with CHECK Team Leader Infrastructure (CTL-INF) qualifications to join our elite team of security professionals. Location: Home based Main Job Summary This is more than just a job, we're looking for individuals with a hacker's mindset, deep technical expertise, and a relentless drive to … leading provider of cybersecurity services, we are a team committed to making a real difference in protecting communities, businesses, and the critical infrastructure of the UK. As a Senior PenetrationTester within CCL Solutions Group, your key responsibilities will be: Lead and deliver end-to-end penetration testing engagements across infrastructure and cloud environments. Manage and mentor … Leader certification (Cyber Scheme Team Leader - INF or CREST CCT-INF). Minimum of 2 years delivering CHECK engagements as a CTL. At least 3 years of hands-on penetration testing experience in enterprise environments. Deep understanding of infrastructure testing, Active Directory security, and cloud technologies (AWS, Azure, Kubernetes). Strong familiarity with tools such as Nmap, Burp Suite 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 PenetrationTester to join our dynamic team based in Belfast. As a Pen Tester, you will be part of the delivery team, conducting penetration … 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 … 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 as a 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 PenetrationTester 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 … 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 … 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 penetrationMore ❯
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom Hybrid / WFH Options
GoDefend Limited
GoDefend is a growing UK-based cyber security company based in Newcastle upon Tyne, offering a wide-spectrum of cyber solutions whilst specialising in continuous vulnerability scanning and penetration testing. We are seeking a PenetrationTester with over three years of hands-on experience in offensive security. Youll join a growing, fast-paced cyber security team where … remote working), is ideal for a technically skilled professional who is also confident communicating with clients and translating complex risks into clear business language. What Youll Be Doing: Conduct penetration testing across web applications, mobile apps, cloud platforms, and internal networks. Perform detailed vulnerability assessments and provide actionable remediation guidance. Create professional, jargon-free reports suitable for both technical … propose preventative security controls. Keep abreast of emerging threats, vulnerabilities, and tools to enhance internal testing capabilities. What Were Looking For: Technical Skills: Minimum 3 years of hands-on penetration testing experience. Skilled in testing: Web apps, Mobile apps, Cloud (AWS, Azure, GCP), and On-prem infrastructure. Familiar with Burp Suite, Metasploit, Nmap, Wireshark, and other industry tools. Scripting 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 penetrationtester 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 … 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 limited travel & public sector work. Full right to work in the UK is required Ideally More ❯
Oxford, Oxfordshire, United Kingdom Hybrid / WFH Options
Nomios
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 certifications … 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. … 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 well as experience of leading customer engagements on-site. Communication : Strong verbal and written skills for stakeholder management More ❯