16 of 16 Security Tester Jobs

Security Tester, Oracle Cloud Infrastructure – London, UK Up to £1,000 per day, depending on experience 12-month contract engagement London, hybrid working with 4 to 5 days per week onsite Active eDV clearance required ABOUT THE CLIENT Our client is a major technology and consulting organisation delivering … high-profile cloud transformation programme within a secure environment. They are looking for an experienced Security Tester to strengthen security assurance across Oracle Cloud Infrastructure, architecture, networks and access controls. THE BENEFITS Work on a complex, high-profile cloud programme Collaborate with experienced architecture, engineering and security ...

Security Tester | Contract (12 months+) | SC Clearance Required (Active/Lapsed) | Inside IR35 Location: Remote-first, UK Contract: Initial 12 months (potential to extend) Clearance: SC Clearance Required (Active/Lapsed) We are looking for an experienced Security Tester to support a major programme within … complex and highly regulated environment. The successful consultant will bring strong hands-on security testing experience, with the ability to identify vulnerabilities, assess security controls and work closely with technical teams to ensure applications and systems meet required security standards. You will work alongside engineering, development ...

Security Tester | Contract (12 months+) | SC Clearance Required (Active/Lapsed) | Inside IR35 Location: Remote-first, UK Contract: Initial 12 months (potential to extend) Clearance: SC Clearance Required (Active/Lapsed) We are looking for an experienced Security Tester to support a major programme within … complex and highly regulated environment. The successful consultant will bring strong hands-on security testing experience, with the ability to identify vulnerabilities, assess security controls and work closely with technical teams to ensure applications and systems meet required security standards. You will work alongside engineering, development ...

Security Tester Location: Berkshire, hybrid with occasional onsite travel Type: Permanent | Up to £60K Clearance: SC Cleared or eligible The Role As an AI Security Tester, you'll simulate real-world attacks to uncover vulnerabilities in AI/ML systems, from stress-testing model guardrails … strategies What We're Looking For 5+ years in offensive cybersecurity (AppSec, pen testing, red teaming) Minimum 2 years focused on AI/ML security Strong Python and Java programming skills Hands-on experience with ML frameworks such as PyTorch or TensorFlow Familiarity with AI tooling (LangChain, LlamaIndex ...

Security Penetration Tester , 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 … collaborate effectively with cross-functional teams. The ideal candidate will possess strong communication and will be committed to ensuring the highest level of security, compliance, and user experience. Security Clearance: CTC (Counter Terrorist Check) clearance is essential. You must currently hold or be able to attain CTC clearance ...

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 ...

seeking a skilled Offensive Security penetration tester to join our Consulting-Digital team. You will conduct sophisticated penetration testing and red team engagements across client systems and applications, gaining exposure to diverse industries and geographic scopes. You’ll stay at the forefront of the threat landscape, cyber defence ...

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 ...

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 ...

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. You will … manage scoping, execution, reporting and remediation, align activities with security standards (OWASP, NIST, ISO 27001, PCI-DSS, GDPR), and communicate #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. You will … manage scoping, execution, reporting and remediation, align activities with security standards (OWASP, NIST, ISO 27001, PCI-DSS, GDPR), and communicate #J-18808-Ljbffr ...