I'm hiring a PenetrationTester on behalf of a cyber security firm who thrive on uncovering the unknown, breaking barriers, and staying five steps ahead of tomorrow's threats. Their Penetration Testers are more than ethical hackers-they're digital explorers with a license to legally … web and cloud-based applications. Collaborating closely with digital product teams to recommend and implement effective security measures. Independently planning, executing, and reporting on penetration tests and security audits. Performing in-depth source code reviews to uncover potential security flaws. Supporting incident response efforts and contributing to ongoing cybersecurity … Essential: Relevant degree e.g. Computer Science, Cyber Security Several years professional experience in an offensive security role. Experience performing two or more types of penetration test such as web application, infrastructure, cloud etc Experience working with tools such as Kali Linux, BurpSuite and Bloodhound. Minimum C1 German and fluent More ❯
At Vertical Structure (an Instil Company), 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 assessments across a range of technologies and a wide range of customers including software, fintech, manufacturing, engineering, legal, and public sector. Your insights will be crucial in identifying security weaknesses and helping clients fortify their … 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 More ❯
Role: PenetrationTester 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 … 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 More ❯
Oxford, Oxfordshire, United Kingdom Hybrid / WFH Options
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 … If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead penetration testing teams to conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Lead on-site customer engagements. Lead … years leading network, web, and internal penetrations tests as well as experience in leading customer engagements onsite. Leadership : Experience of supervising and mentoring penetration test teams. Training Experience : Ownership and leadership on developing and providing training courses. Tools : Proficiency with tools like Burpsuite Pro, Nessus, and other industry standards. More ❯
Glasgow, Renfrewshire, United Kingdom Hybrid / WFH Options
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 … If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead penetration testing teams to conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Lead on-site customer engagements. Lead … years leading network, web, and internal penetrations tests as well as experience in leading customer engagements onsite. Leadership : Experience of supervising and mentoring penetration test teams. Training Experience : Ownership and leadership on developing and providing training courses. Tools : Proficiency with tools like Burpsuite Pro, Nessus, and other industry standards. More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Risk Crew
solutions. With a proven track record and strong client relationships, we are trusted by our clients to meet their goals. The role: As a PenetrationTester on Risk Crew, you'll be part of an elite team of security experts who are dedicated to identifying and mitigating security … cutting-edge security tools and technologies. Recognition and rewards for outstanding performance. Your responsibilities: Performing web application, infrastructure, cloud, API, wireless and mobile application penetration tests on a regular basis. Contributing to Red Team and social engineering testing. Report writing and client-facing presentation of test findings. Consulting clients … white papers and articles. Staying up to date with the latest security trends, technologies, and threats. Contributing to the evolution of the in-house penetration testing methodology and processes. Your mandatory technical skills: Ability to perform black box, grey box and white box tests with an attacker's mindset. More ❯
My Client is a cybersecurity company who offer security services to multiple businesses across varying industries. They are now looking for a graduate PenetrationTester to join their growing team! Main Duties: Vulnerability Identification: Conduct thorough assessments to identify security vulnerabilities in networks, applications, and systems. Exploitation and More ❯
At Vertical Structure (an Instil Company), 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 CTL (Infrastructure) 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 across a range of technologies and a wide range of customers including software, fintech, manufacturing, engineering, legal, and public sector. Your insights will be crucial in identifying security weaknesses and helping clients fortify their systems. We offer … 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 ❯
Chatham, Kent, South East, United Kingdom Hybrid / WFH Options
Intertek
Outstanding opportunities have arisen for Penetration Testers to join our ever-growing team. We are seeking individuals who are looking to build knowledge and enhance their skill sets. We are seeking passionate security professionals who are eager to hone your skills and contribute to a world-class security practice. … About You: CREST Registered Tester, or equivalent Cyber Scheme or OSCP qualification Minimum two years' penetration testing experience in infrastructure and application disciplines, ideally with exposure to client site testing such as internal pen tests and IT health checks SC clearance and experience of formal NCSC CHECK testing More ❯
above all you will know what clients are looking for when they buy security testing and how to deliver it. Management and delivery of penetration testing services to clients to include the following: Scoping Financial and risk management Delivery of testing and the oversight of testers Review of deliverables … the broader offerings to enable identification of business opportunities Required Skills and Experience: Passion for Hacking! Clear and demonstrable understanding of red-teaming/penetration testing, including NCSC and CREST accredited schemes such as xBEST, STAR/STAR-FS, CHECK. Proven experience of successfully managing and delivering testing engagements More ❯
Milton Keynes, Buckinghamshire, United Kingdom Hybrid / WFH Options
RSM
to 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 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 to develop market … for you! We value diverse experiences and perspectives. Here's what we're looking for in our ideal candidate: Experience in offensive security and penetration testing. Demonstrable experience in infrastructure and web application testing; experience in API testing is desirable. Demonstrable experience using common pentesting tools including Kali Linux More ❯
experience on various platforms. Should be able to Identify and assess vulnerabilities in networks, systems, and applications. Should be able to Plan and Execute Penetration Tests, should be familiar with penetration testing tools and techniques Should be able to Report Vulnerabilities and Advise on best Security Policies. Proficient More ❯
We’re currently hiring a Pen Tester for a leading UK-based technology consultancy known for delivering secure, cutting-edge digital solutions. With a strong presence across critical sectors such as defence, healthcare, and government, the organisation plays a key role in safeguarding digital infrastructure while driving innovation. This … Flexible working opportunities Work with cutting edge technologies Opportunity to work for a recognised company This is an excellent opportunity for an experienced Pen Tester to join a leading company, that are driven towards success! For further information on this Pen Tester position, apply below! We are an More ❯