1 to 25 of 39 DemandTrendPermanent Penetration Testing Jobs in the South East

Life on the team Computacenter is growing our penetration testing capability and we are looking for an experienced penetration tester to support the delivery of vulnerability assessment and penetration testing services to Computacenter and our customers delivered services. As a highly skilled and motivated Penetration Tester, you will join our dynamic Cybersecurity team. In … this role, you will be responsible for identifying vulnerabilities in systems, applications, and networks through a variety of penetration testing methodologies. Your expertise will play a critical role in strengthening our security posture and safeguarding our valuable assets from cyber threats. We are keen to develop our own people and will look at individuals, you will be involved … Security Professionals. If you are looking for a team that offers development and flexibility look no further and apply today What you'll do A highly skilled and motivated Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in our systems, applications, and networks through various penetration testing More ❯

London, UK - Milton Keynes, UK - Mobile England, UK - Nottingham, UK - Reading Job-ID: 214652 Contract type: Standard Business Unit: Cyber Security Life on the team Computacenter is growing our penetration testing capability and we are looking for an experienced penetration tester to support the delivery of vulnerability assessment and penetration testing services to Computacenter and … our customers delivered services. As a highly skilled and motivated Penetration Tester, you will join our dynamic Cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in systems, applications, and networks through a variety of penetration testing methodologies. Your expertise will play a critical role in strengthening our security posture and safeguarding our valuable … Security Professionals. If you are looking for a team that offers development and flexibility look no further and apply today What you'll do A highly skilled and motivated Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in our systems, applications, and networks through various penetration testing More ❯

As a Senior 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 requires an understanding of TVM concepts, technologies, and … candidate will possess strong communication and will be committed to ensuring the highest level of security, compliance, and user experience. What you'll be doing as a Senior Security Penetration Tester Help support and develop an internal penetration testing function. Conduct network, application penetration testing, code and security reviews. Identify and exploit vulnerabilities through proof … implemented and maintained. Responsible for supporting the creation of the operating model for vulnerability management, that it is shared, agreed and operates effectively across the business. Develop and maintain penetration testing documentation, policies, and procedures. Integrate cybersecurity solutions (e.g. vulnerability scanning tools) with existing systems, applications, and infrastructure. Evaluate and recommend technologies, tools, and vendors to meet business More ❯

Why join Dionach by 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 by Nomios holds impressive … If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead and mentor a team of Penetration testers, fostering a collaborative and high-performance work environment. Lead and oversee complex infrastructure penetration tests ensuring that they are conducted thoroughly and in accordance with project requirement. … scoping. You will have the opportunity to work on a wide range of services: web and mobile application tests, internal tests, infrastructure tests, but also, social engineering. Ensure all testing activities comply with CHECK standards. What We're Looking For Experience : Significant experience in penetration testing, including network, web application and internal penetration testing as More ❯

We are seeking a skilled and proactive Cloud Security Engineer to conduct white-hat security testing on our SaaS-based application, which is deployed across multiple cloud providers. You will be responsible for identifying vulnerabilities, assessing risks, and helping us implement secure practices, including the integration of Trusted Execution Environments (TEEs) . Key Responsibilities: Perform white-hat (ethical) penetration testing on our cloud-hosted SaaS appliance. Identify and report vulnerabilities across application layers, APIs, and infrastructure. Collaborate with development teams (Go and Node.js) to remediate security issues. Evaluate and Test TEE solutions (e.g., AWS Nitro Enclaves, Azure Confidential Computing and Google Confidential Computing.). Conduct threat modeling and risk assessments. Develop and maintain security testing tools … and automation scripts. Stay current with emerging security threats, vulnerabilities, and mitigation techniques. Proven experience in penetration testing and ethical hacking. Strong understanding of cloud security (AWS, Azure, GCP). Familiarity with Go and Node.js application security. Experience with TEE technologies or confidential computing. Knowledge of OWASP Top 10, CVEs, and secure coding practices. Proficiency with tools like More ❯

is a hands-on, high-impact role in a collaborative, cross-functional environment. Key Responsibilities: Security Tooling: Deploy, maintain, integrate, and configure security tools. Vulnerability Management: Conduct security assessments, penetration testing, and vulnerability scans. Incident Response: Lead investigations, mitigate breaches, and maintain response plans. Security Operations: Monitor logs, investigate incidents, and enhance security posture. Identity & Access Management: Oversee … and cloud technologies (AWS, Azure, GCP). Strong understanding of frameworks such as PCI, NIST, and ISO 27001. Hands-on experience with SIEM, IDS/IPS, endpoint protection, and penetration testing tools. Certified Security Auditor (or equivalent) and UK Security Clearance eligibility. Preferred Certifications: CISSP, CISM, CEH AWS Certified Security Specialist Azure Security Engineer Associate Google Professional Cloud More ❯

and data anomalies. • Collaborate with cybersecurity teams and other third parties to analyse threat intelligence feeds and proactively identifyemerging risks. • Participate in vulnerability assessments and support external/internal penetration testing efforts. • Conduct regular audits of user permissions, authentication logs, and endpoint security compliance. • Develop and deliver security awareness training programs for employees, including social engineeringsimulations and best … levels of the business. Experience supporting SOC 2,NIS2, ISO 27001, or GDPR compliance programs. Knowledge of SaaS architecture and cloud platforms (e.g., AWS, Azure, GCP). Familiarity with penetration testing methodologies and remediation workflows. Passion for educating others and promoting a security-first culture. Discreet and ethical approach to handling sensitive information. Proactive mindset with a passion More ❯

We are seeking a skilled and proactive Cloud Security Engineer to conduct white-hat security testing on our SaaS-based application, which is deployed across multiple cloud providers. You will be responsible for identifying vulnerabilities, assessing risks, and helping us implement secure practices, including the integration of Trusted Execution Environments (TEEs) . Key Responsibilities: Perform white-hat (ethical) penetration testing on our cloud-hosted SaaS appliance. Identify and report vulnerabilities across application layers, APIs, and infrastructure. Collaborate with development teams (Go and Node.js) to remediate security issues. Evaluate and Test TEE solutions (e.g., AWS Nitro Enclaves, Azure Confidential Computing and Google Confidential Computing.). Conduct threat modeling and risk assessments. Develop and maintain security testing tools … and automation scripts. Stay current with emerging security threats, vulnerabilities, and mitigation techniques. Proven experience in penetration testing and ethical hacking. Strong understanding of cloud security (AWS, Azure, GCP). Familiarity with Go and Node.js application security. Experience with TEE technologies or confidential computing. Knowledge of OWASP Top 10, CVEs, and secure coding practices. Proficiency with tools like More ❯

troubleshoot issues with A/V systems in meeting rooms. Assist in the development of IT policies and procedures Contribute to the implementation and monitoring of security measures and penetration testing Perform other duties as assigned by the IT Manager or Director of Digital Transformation Nature and Scope At the Energy Institute, technology isn't just a tool … abilities and the capacity to diagnose and resolve complex technical issues efficiently. Excellent customer service skills, with a user-focused approach. Solid cybersecurity awareness and a foundational understanding of penetration testing methodologies or security auditing principles. Demonstrable experience in incident response, particularly in identifying, containing, and escalating cyber incidents. Experience in Microsoft Windows systems administration, particularly Windows Server More ❯

troubleshoot issues with A/V systems in meeting rooms. Assist in the development of IT policies and procedures Contribute to the implementation and monitoring of security measures and penetration testing Perform other duties as assigned by the IT Manager or Director of Digital Transformation Nature and Scope At the Energy Institute, technology isn't just a tool … abilities and the capacity to diagnose and resolve complex technical issues efficiently. Excellent customer service skills, with a user-focused approach. Solid cybersecurity awareness and a foundational understanding of penetration testing methodologies or security auditing principles. Demonstrable experience in incident response, particularly in identifying, containing, and escalating cyber incidents. Experience in Microsoft Windows systems administration, particularly Windows Server More ❯

troubleshoot issues with A/V systems in meeting rooms. Assist in the development of IT policies and procedures Contribute to the implementation and monitoring of security measures and penetration testing Perform other duties as assigned by the IT Manager or Director of Digital Transformation Nature and Scope At the Energy Institute, technology isn't just a tool … abilities and the capacity to diagnose and resolve complex technical issues efficiently. Excellent customer service skills, with a user-focused approach. Solid cybersecurity awareness and a foundational understanding of penetration testing methodologies or security auditing principles. Demonstrable experience in incident response, particularly in identifying, containing, and escalating cyber incidents. Experience in Microsoft Windows systems administration, particularly Windows Server More ❯

security, cloud security, cryptography, and infrastructure hardening. Partner with IT, digital, and business change teams to ensure secure-by-design principles are embedded across all projects. Perform and oversee penetration testing and vulnerability management , driving remediation and risk reduction. Support incident response, disaster recovery, and business continuity planning. Develop and maintain security documentation, standards, and playbooks . Contribute … such as Insurance, Financial Services, or Legal. Excellent technical knowledge of: Microsoft 365 Security, Windows, and Active Directory Cloud platforms (Azure, AWS, or GCP) and associated security tooling Security testing tools (SAST, DAST, SCA, SIEM, endpoint detection, vulnerability scanners) Proven experience delivering secure project outcomes across digital transformation programmes. Ability to analyse and communicate complex security issues to both More ❯

security, cloud security, cryptography, and infrastructure hardening. Partner with IT, digital, and business change teams to ensure secure-by-design principles are embedded across all projects. Perform and oversee penetration testing and vulnerability management , driving remediation and risk reduction. Support incident response, disaster recovery, and business continuity planning. Develop and maintain security documentation, standards, and playbooks . Contribute … such as Insurance, Financial Services, or Legal. Excellent technical knowledge of: Microsoft 365 Security, Windows, and Active Directory Cloud platforms (Azure, AWS, or GCP) and associated security tooling Security testing tools (SAST, DAST, SCA, SIEM, endpoint detection, vulnerability scanners) Proven experience delivering secure project outcomes across digital transformation programmes. Ability to analyse and communicate complex security issues to both More ❯

security, cloud security, cryptography, and infrastructure hardening. Partner with IT, digital, and business change teams to ensure secure-by-design principles are embedded across all projects. Perform and oversee penetration testing and vulnerability management , driving remediation and risk reduction. Support incident response, disaster recovery, and business continuity planning. Develop and maintain security documentation, standards, and playbooks . Contribute … such as Insurance, Financial Services, or Legal. Excellent technical knowledge of: Microsoft 365 Security, Windows, and Active Directory Cloud platforms (Azure, AWS, or GCP) and associated security tooling Security testing tools (SAST, DAST, SCA, SIEM, endpoint detection, vulnerability scanners) Proven experience delivering secure project outcomes across digital transformation programmes. Ability to analyse and communicate complex security issues to both More ❯

where security can be embeded. Create and implement security protocols and guidelines tailored to their business processes. Threat Research: Stay updated on the latest security threats and mitigation strategies. Penetration Testing and Audits: Arrange and oversee penetration tests and security audits. Policy and Procedure Management: Keep security policies and procedures current and effective. Risk Assurance Documentation: Produce More ❯

support the business and technology teams delivery of the security change programme. Provide support to the business and technology teams to understand and address vulnerabilities within SLA, identified through penetration testing, vulnerability scanning and red team exercises Foster relationships with internal business units to enhance cyber security communication, including knowledge of threats, vulnerabilities, and mitigation strategies. Provide strategic … to changes. Lead the information security updates at business and technology governance forums. The Requirements Technical skills: A comprehensive understanding of information security services (security operations and offensive security testing) Experience of strategic planning and oversight of cyber incident response and crisis management Strong understanding of cybersecurity standards and frameworks (e.g. ISO27001, NIST, CIS) and their application in strategic More ❯

detection, incident response, and recovery, ensuring minimal business disruption. Manage patching processes, AI-driven email intelligence tools, and network security across internal and customer-facing systems. Conduct risk assessments, penetration testing, and ensure compliance with standards such as ISO 27001, GDPR, and NIS2. Drive organisation-wide security awareness and training programmes. Maintain and test business continuity and disaster More ❯

detection, incident response, and recovery, ensuring minimal business disruption. Manage patching processes, AI-driven email intelligence tools, and network security across internal and customer-facing systems. Conduct risk assessments, penetration testing, and ensure compliance with standards such as ISO 27001, GDPR, and NIS2. Drive organisation-wide security awareness and training programmes. Maintain and test business continuity and disaster More ❯

detection, incident response, and recovery, ensuring minimal business disruption. Manage patching processes, AI-driven email intelligence tools, and network security across internal and customer-facing systems. Conduct risk assessments, penetration testing, and ensure compliance with standards such as ISO 27001, GDPR, and NIS2. Drive organisation-wide security awareness and training programmes. Maintain and test business continuity and disaster More ❯

/EMS/MDM) Experience with SOC management and incident response Good knowledge of audit processes, compliance, and frameworks (ISO 27001, Cyber Essentials) Hands-on security operations experience (pen testing, vulnerability scanning, DLP, networking) Project management skills and the ability to collaborate across teams and suppliers What you get: Salary up to £75,000 25 days holiday, plus bank More ❯

measures in line with best practices to ensure that the client is protected against the latest cyber security threats • Work with third parties and internal teams to schedule proactive penetration tests, ensuring that vulnerabilities are resolved or mitigated • Support the delivery of security training to all end users • Regular monitoring of potential security risks externally and internally, provide clear … to protect against unauthorised access and potential threats • Proficient with SIEM, IDS/IPS, vulnerability scanners, and Azure security tools. • Experience of leading on technical vulnerability assessments and regular penetration testing of IT systems and processes to identify potential vulnerabilities and provide recommendations for risk mitigation • Experience in testing and reviewing new security solutions • A strong commitment More ❯

measures in line with best practices to ensure that the client is protected against the latest cyber security threats • Work with third parties and internal teams to schedule proactive penetration tests, ensuring that vulnerabilities are resolved or mitigated • Support the delivery of security training to all end users • Regular monitoring of potential security risks externally and internally, provide clear … to protect against unauthorised access and potential threats • Proficient with SIEM, IDS/IPS, vulnerability scanners, and Azure security tools. • Experience of leading on technical vulnerability assessments and regular penetration testing of IT systems and processes to identify potential vulnerabilities and provide recommendations for risk mitigation • Experience in testing and reviewing new security solutions • A strong commitment More ❯

measures in line with best practices to ensure that the client is protected against the latest cyber security threats • Work with third parties and internal teams to schedule proactive penetration tests, ensuring that vulnerabilities are resolved or mitigated • Support the delivery of security training to all end users • Regular monitoring of potential security risks externally and internally, provide clear … to protect against unauthorised access and potential threats • Proficient with SIEM, IDS/IPS, vulnerability scanners, and Azure security tools. • Experience of leading on technical vulnerability assessments and regular penetration testing of IT systems and processes to identify potential vulnerabilities and provide recommendations for risk mitigation • Experience in testing and reviewing new security solutions • A strong commitment More ❯

measures in line with best practices to ensure that the client is protected against the latest cyber security threats • Work with third parties and internal teams to schedule proactive penetration tests, ensuring that vulnerabilities are resolved or mitigated • Support the delivery of security training to all end users • Regular monitoring of potential security risks externally and internally, provide clear … to protect against unauthorised access and potential threats • Proficient with SIEM, IDS/IPS, vulnerability scanners, and Azure security tools. • Experience of leading on technical vulnerability assessments and regular penetration testing of IT systems and processes to identify potential vulnerabilities and provide recommendations for risk mitigation • Experience in testing and reviewing new security solutions • A strong commitment More ❯

implement effective security controls, system hardening and security improvement projects with a particular focus in application/web hosting security. Assist in the management of patching, vulnerability analysis and penetration testing to ensure recommendations are risk assessed and implemented in a timely manner Senior Cyber Security Engineer - Skills: Experience in Security Engineering, Network Security, and/or working More ❯