1 to 25 of 30 Penetration Testing Jobs in the South East

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 ❯

role. This role will focus on creating a business strategy, gap analysis and implementation, for securing their Azure-based infrastructure, integrating security automation, ensuring PCI DSS compliance, vulnerability and penetration testing and incident response. This role will focus on developing and maintaining secure, scalable Azure DevOps pipelines and Infrastructure as Code (IaC) using Terraform. Their ideal candidate will … Detection & SOAR Automation: Oversee Security Orchestration, Automation, and Response (SOAR) solutions including SOC Prime. Network & Application Security: Manage Web Application Firewalls (WAF) and Intrusion Prevention Systems (IPS). Vulnerability & Penetration Testing: Review Penetration Testing, vulnerability assessments, and security scanning to proactively identify and remediate risks. PCI DSS Compliance: Conduct security audits, risk assessments, and ensure regulatory … contract continuity. Required Strong expertise in Azure cloud security, Microsoft Defender, and Microsoft Sentinel. Proven experience in SOAR technologies for security automation and response orchestration. Hands-on experience with penetration testing, vulnerability assessments, and security scanning. Experience implementing and managing WAF, IPS, and DNS security solutions. Extensive experience with Terraform for IaC security automation. Knowledge of DevOps pipelines 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 ❯

their level-headed software solutions. The team is all like-minded individuals, with a drive to succeed in their own fields. ROLE OBJECTIVE We are seeking a highly skilled Penetration Tester with a strong background in penetration testing and network security. This role is ideal for a cybersecurity professional with experience in identifying, assessing, and mitigating security … will play a critical role in evaluating and strengthening our clients' cybersecurity postures by conducting in-depth security assessments, vulnerability analysis, and developing comprehensive security strategies. RESPONSIBILITIES Conduct comprehensive penetration tests, vulnerability assessments, and security audits to identify risks and ensure compliance with industry best practices. Provide expert recommendations and solutions to mitigate identified vulnerabilities, enhancing client systems' security … to prepare the organization to respond efficiently and effectively to cyber threats. Travel to various client locations when required (potential international travel) and deliver high quality solutions (e.g. OT testing or other IT services). Collaborate with client teams to develop, document, and implement security policies, standards, and guidelines aligned with industry standards (e.g., ISO 27001, NIST). Assist 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 ❯

My consultancy client who work with a number of household names in the Finance, Insurance and Retail sector are looking to hire a full-time Penetration Tester to support one of their key clients. This role is hybrid working and is working 2 days a week on the client site. In this role you will be responsible for delivering … comprehensive Penetration Testing Services to the end client s, ensuring work is performed to the highest professional standards. Key Responsibilities Conduct thorough penetration tests on infrastructure, web applications, APIs, mobile applications, and cloud environments. Perform vulnerability and cloud assessments using a variety of tools and techniques. Document testing procedures, findings, and recommendations in detailed reports for … and 9001 are robustly adhered to. Ensuring that the company’s security procedures ISO 27001 are robustly adhered to. Essential Skills & Experience 3 + years’ experience working as a Penetration Tester OSCP Certified Proficiency in penetration testing tools such as Burp Suite, Nessus etc. Good interpersonal skills. Problem solver. Experience of technical report writing. Has the ability 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 … environment for all our employees. If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do • Conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. • Issue detailed reports outlining findings, risks, and recommendations for remediation. • Translate complex technical findings into actionable insights … engagements, as needed. What We're Looking For • Certifications: Relevant certifications such as CREST CRT, CREST CCT, OSCP, OSWE, OSCE, or equivalent level. • Experience: At least two years in penetration testing, covering network, web, and internal tests and customer engagements. • Tools: Proficiency with tools like Burpsuite Pro, Nessus, and other industry standards. • Communication: Strong verbal and written skills More ❯

Penetration Tester £70000 - 100000 GBP 10% bonus Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Penetration Tester - Infrastructure Salary: £70,000-£100,000 (depending on experience) Location: Hybrid - London (2 days per week on-site) Note: To be eligible for this role, you must be eligible for UK Security Clearance (SC). A high-performing … digital security team is looking for an experienced Infrastructure Penetration Tester to join them in delivering critical assessments across complex and sensitive client environments. This is a hands-on internal testing role, not web application focused, where you'll be expected to work independently and navigate challenging systems with confidence. This role is suited to testers who thrive … in technically demanding scenarios, want autonomy, and are motivated by work with real-world impact. Key Responsibilities Conduct internal infrastructure and Active Directory penetration tests in live production environments Produce clear, concise reports tailored to both technical and non-technical audiences Build trusted relationships with clients in a consultancy-facing capacity Work within a small, high-trust team on More ❯

Responsibilities: Lead security operationsacross our product and cloud environment (Azure), working closely with DevOps and engineering to ensure security best practices are followed. Manage external relationshipswith security providers, including penetration testers and SOC 2 Type II auditors. Own the SOC 2 audit process, coordinating internal preparation, evidence collection, and communication with auditors to ensure compliance is maintained. Respond to … infrastructure, and DevOps practices Awareness of industry frameworks, such as NCSC Cyber Assessment Framework, Cyber Essentials Plus and OWASP Experience managing and selecting 3rd party vendors for audit and penetration testing Experience interacting with customer security and data privacy teams Experience conducting or managing penetration tests and security audits Can produce network and security architecture designs using More ❯

role in protecting our digital infrastructure. You'll lead the implementation and management of SIEM systems, Fortinet security tools, and endpoint detection & response (EDR) while conducting vulnerability assessments and penetration testing to stay ahead of cyber threats. You'll enhance identity and access management (IAM) by maintaining Active Directory, Entra ID, MFA, and Zero Trust security principles. Your More ❯

and, where relevant, notify leadership to incorporate information into processes, procedures, and audit preparedness activities. Perform technology security risk assessments. Where appropriate, leverage security shared services (VRA, VM, Pen Testing) and provide oversight and assurance of cybersecurity controls in development and deployment all the way through the system go-live. Hold great working relationships with the Security Architecture team More ❯

and, where relevant, notify leadership to incorporate information into processes, procedures, and audit preparedness activities. Perform technology security risk assessments. Where appropriate, leverage security shared services (VRA, VM, Pen Testing) and provide oversight and assurance of cybersecurity controls in development and deployment all the way through the system go-live. Hold great working relationships with the Security Architecture team More ❯

recruiting, hiring, performance management. Effective management of 3rd Party Managed Service provider supporting Security Operations What you'll need to succeed 5+ years of experience in incident response or penetration testing with proven experience handling cyber threats from external and internal sources 3+ years of leadership experience in a Managed Security Operations Centre or similar incident command organisation 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 ❯

and clear with their opinions. Desirable qualifications, capabilities, and skills: Experience in a software engineering role, ideally with focus on security. Working knowledge of offensive security, Application and Infrastructure penetration testing (OWASP top 10, OWASP ASVS). Understanding of security vulnerabilities and remediation options in codebases & containers. Working knowledge of methods for authentication and authorization (ODIC, OAuth More ❯

maintain security tools such as Cloud IAM, Security Command Center, VPC Service Controls, Azure Security Center, Azure AD, and Microsoft Defender for Cloud. Conduct security assessments, vulnerability scans, and penetration testing. Monitor cloud environments for threats and lead incident response efforts. Integrate security into the CI/CD pipeline and ensure secure configurations. Develop and enforce cloud security policies More ❯

and implementation for the firms IT security maturity programme projects. Support the integration of new IT Security technologies. Introduce and integrate tools to enhance internal capabilities for routine security testing activities. Develop and deploy tools and automation to streamline common IT Security Operations tasks. Identify areas of cyber security improvement to ensure cyber security and data security by design … languages such as PowerShell (preferred), Python, Perl, etc. Strong understanding of network, cloud computing and application of security controls across such architectures. Experience with network security, incident management, and penetration testing. Strong up-to-date knowledge of Cyber Security. Required Skills Experience with EDR and Anti-Virus/Malware management such as SentinelOne, CrowdStrike and Defender. Demonstrated ability working More ❯

security team, monitoring and analysing real-time security events using SIEM tools to detect and respond to potential threats. The Cyber Security Engineer will conduct regular vulnerability assessments and penetration tests to identify and mitigate security risks and breaches, and will investigate security incidents and conduct forensic analysis to determine the root cause and recommend remediation actions. Outside of … Firewalls, VPN, EDR/XDR, mail filtering and other security products Experience of Security Information Event Management (SIEM) tools Any experience or knowledge of ISO27001 as well as with penetration testing/vulnerability scanning would be highly advantageous The list above is important, but not as important as hiring the right person! So if you don't meet More ❯

user requirements and system specifications. Design and develop robust software solutions tailored to business needs. Write clean, efficient, and scalable code. Implement and maintain databases, APIs, and system integrations. Testing & Debugging: Conduct various forms of testing including unit, integration, and system testing. Debug and resolve software issues and performance bottlenecks. Ensure high software quality through both automated and … manual testing methods. System Maintenance & Support: Monitor system performance and troubleshoot issues. Apply software updates, patches, and security fixes. Provide comprehensive technical support and documentation for users. Collaboration & Communication: Collaborate with developers, designers, and IT teams. Effectively communicate technical solutions to stakeholders. Participate in code reviews and knowledge-sharing sessions. Security & Compliance: Implement security best practices to protect data … and systems. Ensure compliance with industry standards and regulations. Manage OSCAR security through third-party penetration testing and web scanning. Innovation & Continuous Improvement: Research and adopt new technologies to enhance system functionality. Optimize existing applications for improved performance and efficiency. Required Skills & Qualifications: Proficiency in PHP Experience with MySQL database management, preferably hosted on Microsoft Azure. Familiarity with More ❯

approaches Excellent communication skills with ability to influence technical and executive stakeholders Preferred Background Experience in software or SaaS environments Previous consulting/advisory roles Technical background in engineering, penetration testing, or security operations More ❯

IAM, Security Command Center, VPC Service Controls) and Azure/M365 (e.g., Azure Security Center, Azure AD, Microsoft Defender for Cloud). Conduct regular security assessments, vulnerability scanning, and penetration testing of cloud infrastructure and applications. Monitor cloud environments for security threats, anomalies, and incidents, and lead incident response efforts. Collaborate with development, operations, and compliance teams to More ❯

line with ITIL processes Monitor and enhance network security controls including web security gateways, NAC, endpoint security, and perimeter defense Contribute to internal reviews, security audits, vulnerability assessments, and penetration testing Support firewall rule changes, VPN access, network segmentation, and performance improvements Participate in on-call rotation for high-priority issues and assist during major incidents Create and More ❯

occasional evenings/weekends for planned exercises (not a 24/7 role) Desirable: Degree or equivalent experience Previous consulting or technical client-facing experience Background in SOC, Pen Testing, InfoSec, or Systems Admin Knowledge of BGP, WAF, CDN, or cloud platforms (AWS, Azure, GCP) Basic scripting (e.g. Python, Bash) for automation or analysis Please note that at times More ❯

security team, monitoring and analysing real-time security events using SIEM tools to detect and respond to potential threats. The Cyber Security Engineer will conduct regular vulnerability assessments and penetration tests to identify and mitigate security risks and breaches, and will investigate security incidents and conduct forensic analysis to determine the root cause and recommend remediation actions. Outside of … Firewalls, VPN, EDR/XDR, mail filtering and other security products Experience of Security Information Event Management (SIEM) tools Any experience or knowledge of ISO27001 as well as with penetration testing/vulnerability scanning would be highly advantageous The list above is important, but not as important as hiring the right person! So if you don't meet More ❯

mitigate, and respond to risks and potential threats. * Utilise Microsoft Sentinel and related tools to analyse security data, detect anomalies, and respond effectively to incidents. * Oversee vulnerability assessments and penetration testing to ensure robust security measures are maintained. * Contribute to the development and execution of incident response plans, ensuring prompt action to contain and remediate security incidents. * Maintain More ❯