76 to 100 of 145 Penetration Tester Jobs

Essential Roles & Responsibilities As a Penetration Tester at Claranet, you will able to deliver you own web application tests and through training and partnering, you will be involved in a full range of testing work from mobile app and infrastructure testing to social engineering and Red Team exercises. … work in an independent manner as well as part of a team Excellent written and oral communications skills Positive, collaborative and enthusiastic Conducting penetration testing work out of normal office hours on occasion Willing to travel to deliver onsite work as required Appetite to shadow, train and develop ...

that supports how our engineering teams build and operate complex systems at scale. Take the next step in your career. Role As a Penetration Tester, you will lead and conduct penetration tests and vulnerability assessments across a wide range of internal systems and security controls. Your work … will directly strengthen our overall security posture through continuous testing, actionable insights and collaboration on remediation strategies. Responsibilities Perform in-depth penetration testing across a variety of technologies, including Kubernetes, Jenkins and Windows Domain Services. Deliver practical, impactful remediation advice to Control Owners based on identified vulnerabilities. Support business ...

Essential Roles & Responsibilities As a Penetration Tester at Claranet, you will able to deliver you own web application tests and through training and partnering, you will be involved in a full range of testing work from mobile app and infrastructure testing to social engineering and Red Team exercises. ...

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. The team … 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 testing ...

Location: UK (Remote) Experience: 1–3 years About the Role: We’re looking for a Penetration Tester to join our clients growing cybersecurity team. You’ll conduct network, web, and application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high … quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing techniques. Requirements 1–3 years’ experience in penetration testing or offensive security. OSCP Strong technical understanding of attack methods, tools ...

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 ...

team shaping the future of cybersecurity and technology. Salary: Up to £45,000 per annum. Travel: Hybrid Location: London We're hiring a passionate Penetration Tester eager to grow in offensive security. Join a skilled, diverse team committed to innovation and technical excellence. This is a great opportunity ...

leading software security firm in Belfast is seeking a Senior Penetration Tester to join their team. In this hands-on role, you'll engage in delivering high-quality penetration testing across various sectors, identify and remediate security weaknesses, and mentor junior testers. Essential skills include current security … clearance, at least 2 years of penetration testing experience, and proficiency with tools like BurpSuite Pro and Nmap. The position offers flexible working arrangements, an annual performance bonus, and extensive benefits including a competitive pension and private healthcare. #J-18808-Ljbffr ...

Morson Human Resources Limited in the United Kingdom is seeking a Lead Penetration Tester to own the end-to-end penetration testing lifecycle across applications, infrastructure and technology environments. This hands-on role combines technical testing with coordination of testing engagements, third-party providers and remediation work. ...

Morson Human Resources Limited in the United Kingdom is seeking a Lead Penetration Tester to own the end-to-end penetration testing lifecycle across applications, infrastructure and technology environments. This hands-on role combines technical testing with coordination of testing engagements, third-party providers and remediation work. ...

Ethical Hacker/Penetration Tester no experience needed From £45,000 - £6 5,000 *This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back* Train. Certify. Get Hired. Are you looking to start a career in Cyber Security ...

Ethical Hacker/Penetration Tester no experience needed From £45,000 - £6 5,000 *This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back* Train. Certify. Get Hired. Are you looking to start a career in Cyber Security ...

Ethical Hacker/Penetration Tester no experience needed From £45,000 - £6 5,000 *This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back* Train. Certify. Get Hired. Are you looking to start a career in Cyber Security ...

Ethical Hacker/Penetration Tester no experience needed From £45,000 - £6 5,000 *This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back* Train. Certify. Get Hired. Are you looking to start a career in Cyber Security ...

Ethical Hacker/Penetration Tester no experience needed From £45,000 - £6 5,000 *This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back* Train. Certify. Get Hired. Are you looking to start a career in Cyber Security ...

Ethical Hacker/Penetration Tester no experience needed From £45,000 - £6 5,000 *This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back* Train. Certify. Get Hired. Are you looking to start a career in Cyber Security ...

Ethical Hacker/Penetration Tester no experience needed From £45,000 - £6 5,000 *This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back* Train. Certify. Get Hired. Are you looking to start a career in Cyber Security ...

Ethical Hacker/Penetration Tester no experience needed From £45,000 - £6 5,000 *This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back* Train. Certify. Get Hired. Are you looking to start a career in Cyber Security ...

leading cybersecurity firm in London is seeking a passionate Penetration Tester to enhance their offensive security team. You will support cloud and infrastructure security assessments, write detailed reports for various stakeholders, and collaborate with a diverse team. Candidates must hold an OSCP certification and have knowledge ...

Guideposts Trust Limited is seeking a skilled Penetration Tester to join our expanding team in the United Kingdom. The role focuses on manual penetration testing across multiple disciplines, with reporting to a high standard and clear communication to non-technical audiences. We require a minimum … years’ experience in penetration testing, along with a relevant degree in cyber security or related field. Some travel to client sites will be necessary. #J-18808-Ljbffr ...

cybersecurity services provider is seeking a Penetration Tester to conduct security assessments across various clients. The role offers flexibility to work remotely or from the Sheffield office, and the ideal candidate will have 2-4 years of experience, a CREST certification, and strong communication skills. You'll help … build a Penetration Testing team and contribute to the growth of the business. #J-18808-Ljbffr ...

Thames Water is seeking a Security Penetration Tester to support Threat & Vulnerability Management across the organisation. You will run tests, identify vulnerabilities, and help implement remediation with cross-functional teams. Ideal candidates will hold relevant cyber security certifications, be comfortable with tools like Tenable and Burp Suite ...

Research is seeking a hands-on Penetration Tester to lead tests and vulnerability assessments across internal systems and security controls. Your work will strengthen our security posture through continuous testing and remediation collaboration. You will perform tests across Kubernetes, Jenkins and Windows Domain Services, deliver remediation guidance, mentor ...

Consulting is seeking an X-Force Red Penetration Tester to assess enterprise security, breach defenses, and design countermeasures. You’ll analyze systems, perform tests on networks, and report findings to leadership. The role emphasizes collaboration across teams and delivering actionable recommendations. You will work within IBM Consulting ...

Ethical Hacker/Penetration Tester no experience needed From £45,000 - £6 5,000 This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back Train. Certify. Get Hired. Are you looking to start a career in Cyber Security ...