12 of 12 Security Tester Jobs

Allwyn is seeking a senior security tester to strengthen our application security testing capabilities. You’ll perform advanced penetration testing on web apps, APIs and backend services, while contributing to offensive security for purple team development and improvements across BAU and projects. Focus on cloud hosted ...

Moore Kingston Smith is seeking an experienced Cyber Security Consultant specialising in penetration testing to join our client-facing advisory team. You will join an NCSC-recognised cyber security team within our Risk Advisory practice, supporting a diverse portfolio of clients across multiple sectors.This is a hands … delivering penetration tests across web applications, APIs, and internal and external network infrastructure. You will also support Cyber Essentials Plus assessments and wider technical security reviews, including vulnerability assessments, configuration reviews against recognised benchmarks, and cloud security reviews. You will identify and safely validate security weaknesses, explain ...

Lisbon area , designed for productive and enjoyable workdays. Your tasks Conduct penetration tests in web, Windows, cloud or AI environments Use and maintain our security scanning and attack surface monitoring solutions Identify, analyze, and exploit security vulnerabilities across internal and external systems Simulate real-world attack scenarios … assess the effectiveness of existing security measures Document findings and provide clear, actionable remediation recommendations Collaborate with IT and development teams to improve overall security posture Stay up to date with the latest threats, vulnerabilities, and attack techniques, including emerging trends in AI-driven security Automated scanning ...

hackajob is partnering directly with NEXT to hire for this role. The role Our Information Security team is at the heart of protecting a global retail and eCommerce business. With over 15,000 IT users and a digital reach spanning 60 countries, we work to keep our systems, colleagues … customers safe every day. We are looking for a Security Pen Tester to join our proactive line of defence. In this role, you will think like an attacker to find vulnerabilities before they can be exploited, providing the clear guidance our Technology teams need to stay secure. Whether ...

hackajob is partnering directly with NEXT to hire for this role. The role Our Information Security team is at the heart of protecting a global retail and eCommerce business. With over 15,000 IT users and a digital reach spanning 60 countries, we work to keep our systems, colleagues … customers safe every day. We are looking for a Security Pen Tester to join our proactive line of defence. In this role, you will think like an attacker to find vulnerabilities before they can be exploited, providing the clear guidance our Technology teams need to stay secure. Whether ...

Starling Bank in the United Kingdom is seeking an experienced Penetration Tester to join our security team. You will work with cyber security professionals to ensure our services are designed, developed and operated securely, performing security testing across mobile, web, cloud and infrastructure. This role ...

Starling Bank Limited is seeking an experienced Penetration Tester to join our security team in a hybrid role. You will conduct tests across mobile, web, cloud, and infrastructure, partner with engineering to secure development, and help remediation efforts to lift overall security posture. You will mentor colleagues ...

Starling Bank Limited is seeking an experienced Penetration Tester to join our security team in a hybrid role. You will conduct tests across mobile, web, cloud, and infrastructure, partner with engineering to secure development, and help remediation efforts to lift overall security posture. You will mentor colleagues ...

Starling Bank Limited is seeking an experienced Penetration Tester to join our security team in a hybrid role. You will conduct tests across mobile, web, cloud, and infrastructure, partner with engineering to secure development, and help remediation efforts to lift overall security posture. You will mentor colleagues ...

Starling Bank Limited is seeking an experienced Penetration Tester to join our security team in a hybrid role. You will conduct tests across mobile, web, cloud, and infrastructure, partner with engineering to secure development, and help remediation efforts to lift overall security posture. You will mentor colleagues ...

Citi in London and Belfast is seeking an experienced AI Offensive Security Analyst to join the Offensive Security and Vulnerability Management (OSVM) team. You will test AI applications, perform penetration tests, and help build AI-powered security tooling for scalable defense. You’ll work across web apps … APIs, and AI agents, triaging findings, reporting risk clearly, and integrating security into development with a focus on real-world enterprise deployments. #J-18808-Ljbffr ...

Bridewell is seeking an experienced Senior Penetration Tester to deliver testing engagements across infrastructure and web applications, with a focus on client-facing leadership. The role includes contributing to tenders, producing detailed reports, and advancing testing methodologies. You will join a diverse team with a strong emphasis on professional ...