21 of 21 Permanent Penetration Testing Jobs in Northern Ireland

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 … client's Infrastructure/cloud, Web Applications and Mobile Applications. Write detailed reports outlining vulnerabilities and providing tailored actionable recommendations. Manage end-to-end testing, collaborating with clients during kick-off and discovery sessions, providing expert advice and follow up. Stay current with the latest security threats, vulnerabilities, and More ❯

available) Cyber Guarded Ltd is a long-established and independent cyber security firm based in Belfast. As the premier NCSC-approved supplier for CHECK Penetration Testing in Northern Ireland, including Cyber Incident Exercising being conducted at the highest levels, along with Cyber Advisor – Cyber Essentials, we support clients … we continue to grow significantly, securing contracts across Northern Ireland, we’re strengthening our technical team to meet demand. We’re looking for experienced Penetration Testers who are passionate about cyber security, thrive on technical challenges, and want to be part of a trusted and growing consultancy. What you … ll do: Conduct infrastructure, app, cloud & OT penetration testing Deliver clear, actionable reporting and remediation advice Work hands-on with clients from scoping through debrief Contribute to tooling, methodology and internal R&D What we’re looking for: 2+ years’ experience in penetration testing CTL or More ❯

available) Cyber Guarded Ltd is a long-established and independent cyber security firm based in Belfast. As the premier NCSC-approved supplier for CHECK Penetration Testing in Northern Ireland, including Cyber Incident Exercising being conducted at the highest levels, along with Cyber Advisor – Cyber Essentials, we support clients … we continue to grow significantly, securing contracts across Northern Ireland, we’re strengthening our technical team to meet demand. We’re looking for experienced Penetration Testers who are passionate about cyber security, thrive on technical challenges, and want to be part of a trusted and growing consultancy. What you … ll do: Conduct infrastructure, app, cloud & OT penetration testing Deliver clear, actionable reporting and remediation advice Work hands-on with clients from scoping through debrief Contribute to tooling, methodology and internal R&D What we’re looking for: 2+ years’ experience in penetration testing CTL or More ❯

secure code reviews and architectural security assessments to identify risks early in the development process. Automation & Tooling: Enhance security automation capabilities by integrating security testing tools into CI/CD pipelines. Penetration Testing & Red Teaming: Facilitate internal and external penetration testing activities, helping to triage … Java, JavaScript, Go, or C#). Experience with cloud-native security (AWS, Azure, GCP) and securing containerized environments (Docker, Kubernetes). Proficiency in security testing tools such as Burp Suite, Endor, Semgrep, etc. Strong background in network security, including firewalls, IDS/IPS, VPNs, and secure network design. Hands More ❯

leadership role overseeing Microsoft Purview, compliance, and DLP strategy. Must have experience in technical reporting, vendor management, and future planning within cloud ecosystems. Vulnerability & Penetration Testing (VAPT) Engineer Penetration testing expert? Bring your skills to enterprise-level assessments and web application security. GWAP/OSCAP certified … with 5+ years' hands-on testing and sharp communication abilities. Why Join? Flexible EMEA-based working hours Enterprise-grade cloud environments Hands-on architecture and security leadership opportunities Education budget and on-demand training access Competitive salaries To speak in absolute confidence about this opportunity please send an up More ❯

leadership role overseeing Microsoft Purview, compliance, and DLP strategy. Must have experience in technical reporting, vendor management, and future planning within cloud ecosystems. Vulnerability & Penetration Testing (VAPT) Engineer Penetration testing expert? Bring your skills to enterprise-level assessments and web application security. GWAP/OSCAP certified … with 5+ years' hands-on testing and sharp communication abilities. Why Join? Flexible EMEA-based working hours Enterprise-grade cloud environments Hands-on architecture and security leadership opportunities Education budget and on-demand training access Competitive salaries To speak in absolute confidence about this opportunity please send an up More ❯

leadership role overseeing Microsoft Purview, compliance, and DLP strategy. Must have experience in technical reporting, vendor management, and future planning within cloud ecosystems. Vulnerability & Penetration Testing (VAPT) Engineer Penetration testing expert? Bring your skills to enterprise-level assessments and web application security. GWAP/OSCAP certified … with 5+ years' hands-on testing and sharp communication abilities. Why Join? Flexible EMEA-based working hours Enterprise-grade cloud environments Hands-on architecture and security leadership opportunities Education budget and on-demand training access Competitive salaries To speak in absolute confidence about this opportunity please send an up More ❯

Cyber Security - Penetration Tester Location: Belfast Hybrid (2 days in office/client site as required) Type: Full-time | Flexible working hours | Hybrid Our client is a long established and independent cyber security firm based in Belfast. As the premier NCSC-approved supplier for CHECK Penetration Testing … secured several high-impact, multi-year contracts across Northern Ireland, they're strengthening their technical team to meet demand. They are looking for experienced Penetration Testers who are passionate about cyber security, thrive on technical challenges, and want to be part of a trusted and growing consultancy. What You … ll Be Doing: Conducting penetration tests across infrastructure, applications, cloud environments, mobile platforms and operational technology. Performing both manual and automated testing using a range of tools and techniques. Producing clear, concise reports with actionable remediation advice tailored to client needs. Engaging directly with clients to understand requirements More ❯

Cyber Security - Penetration Tester Location: Belfast Hybrid (2 days in office/client site as required) Type: Full-time Flexible working hours Hybrid Cyber Guarded Ltd is a long established and independent cyber security firm based in Belfast. As the premier NCSC-approved supplier for CHECK Penetration Testing … secured several high-impact, multi-year contracts across Northern Ireland, we re strengthening our technical team to meet demand. We re looking for experienced Penetration Testers who are passionate about cyber security, thrive on technical challenges, and want to be part of a trusted and growing consultancy. What You … ll Be Doing: Conducting penetration tests across infrastructure, applications, cloud environments, mobile platforms and operational technology. Performing both manual and automated testing using a range of tools and techniques. Producing clear, concise reports with actionable remediation advice tailored to client needs. Engaging directly with clients to understand requirements More ❯

to make significant contributions to the success of the company and drive the quality of our products forward. 4+ years' experience in a software testing role Degree in Computer Science, Engineering or an IT related field (or equivalent third level qualification) Proven End to End Automation testing experience … running tests in CI/CD Experience in running tests in parallel Experience in setting up dashboards for reporting Experience in monitoring team on testing best practices Experience in API Testing tools like SoapUI/ReadyAPI, Postman Strong knowledge of software QA methodologies, tools, and processes Experience in … and optimize current processes Can recognize and flag issues outside area of own expertise or responsibility to manager ISEB/ISTQB Foundation in Software Testing Experience working in an Agile/Scrum development process Experience of JIRA Experience of IT Security/Penetration testing and tools Experience More ❯

attitude with strong oral and written communication skills Knowledge of IP networking and network security including Intrusion Detection Familiarity with common network vulnerability/penetration testing tools Familiarity with service management software such as ServiceNow Familiarity with data visualization platforms such as Domo Some experience with system hardening More ❯

Excellent communication skills, with the ability to apply security concepts to a technical level Desirable skills: Knowledge of Secure by Design principles Experience with penetration testing Benefits Civil Service pension with employer contribution of 28.97% Learning and development tailored to your role with expensed accreditations and study time More ❯

software upgrades. Security & Compliance; Implement and manage network security policies, firewalls, and intrusion detection systems (IDS/IPS). Perform vulnerability assessments and network penetration testing. Ensure compliance with ISO 27001, GDPR, SOC 2, and other industry standards. Cloud & Virtualization Networking; Manage cloud networking (AWS, Azure, Google Cloud) including More ❯

software upgrades. Security & Compliance; Implement and manage network security policies, firewalls, and intrusion detection systems (IDS/IPS). Perform vulnerability assessments and network penetration testing. Ensure compliance with ISO 27001, GDPR, SOC 2, and other industry standards. Cloud & Virtualization Networking; Manage cloud networking (AWS, Azure, Google Cloud) including More ❯

software upgrades. Security & Compliance; Implement and manage network security policies, firewalls, and intrusion detection systems (IDS/IPS). Perform vulnerability assessments and network penetration testing. Ensure compliance with ISO 27001, GDPR, SOC 2, and other industry standards. Cloud & Virtualization Networking; Manage cloud networking (AWS, Azure, Google Cloud) including More ❯

software upgrades. Security & Compliance; Implement and manage network security policies, firewalls, and intrusion detection systems (IDS/IPS). Perform vulnerability assessments and network penetration testing. Ensure compliance with ISO 27001, GDPR, SOC 2, and other industry standards. Cloud & Virtualization Networking; Manage cloud networking (AWS, Azure, Google Cloud) including More ❯

security standards and regulations (e.g. NCSC, ISO, SoC, NIST, PCI, GDPR). Experience in application architecture, software development and/or infrastructure architecture. Experience testing the security of software and infrastructure using appropriate security tools. Experience with Continuous Security, Continuous Integration and Continuous Delivery techniques. Experience of network security …/authorisation products and patterns. End-to-end security involvement, including governance, risk and compliance, operational security, supply chain security and secure user management. Penetration testing qualifications (e.g. OSCP, CREST, TIGER or equivalent). Experience leading security engineers and other junior members of staff. So what are you More ❯

of industry-leading products which provide a cohesive platform for our customers. Our range of solutions spans vulnerability management, detection, automation, cloud security, and penetration testing; in order to build these products our teams work with an array of technologies including Java, React, AWS and Kubernetes, just to More ❯

of industry-leading products which provide a cohesive platform for our customers. Our range of solutions spans vulnerability management, detection, automation, cloud security, and penetration testing; in order to build these products our teams work with an array of technologies including Java, Python, AWS and Go, just to More ❯

providers to ensure secure, high-performance delivery. Stay current with evolving digital features, trends, and tools. Lead on GDPR, accessibility, and cybersecurity (including PEN testing). Collaborate Across Teams Partner with internal departments to ensure website messaging is accurate and impactful. Manage third-party vendors and support system integrations More ❯

providers to ensure secure, high-performance delivery. Stay current with evolving digital features, trends, and tools. Lead on GDPR, accessibility, and cybersecurity (including PEN testing). Collaborate Across Teams Partner with internal departments to ensure website messaging is accurate and impactful. Manage third-party vendors and support system integrations More ❯