1 to 25 of 27 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 ❯

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 ❯

Title: Senior Penetration Testing Consultant Salary: Up to £50,000 Hybrid working (1 day per quarter in the office) Summary: A Senior Penetration Testing Consultant is responsible for leading and conducting advanced penetration tests across networks, applications, and infrastructure. This remote-first role involves defining scopes with clients, executing technical assessments, and delivering detailed reports … with remediation guidance. The position requires strong technical leadership, mentoring junior testers, and staying ahead of emerging cyber threats through research and innovation. Key Responsibilities: Perform advanced penetration tests and vulnerability assessments. Engage with clients to define testing objectives and provide expert consultancy. Lead junior testers, review reports, and ensure technical accuracy. Deliver clear, comprehensive documentation and present … findings to clients. Innovate and contribute to new tools, methodologies, and red team capabilities. Collaborate across security teams and maintain strong client relationships. Support project delivery and manage multiple testing engagements. Requirements: Extensive experience in penetration testing and ethical hacking. Certifications such as OSCP, CRT, CSTM, or equivalent. Must hold Check Team Member (CTM) status Proficiency with More ❯

are looking for a technically exceptional and visionary Senior Manager to lead our Offensive Security function. This role is both strategic and hands-on, responsible for delivering high-impact penetration testing, attack surface management, and a mature bug bounty program. The ideal candidate will be a transformation leader with deep technical expertise in offensive security and a passion … Security will serve as both a strategic leader and hands-on technical expert, driving the evolution of our offensive security capabilities. This role is accountable for delivering high-impact penetration testing, managing our attack surface, and overseeing a global bug bounty program. With a strong focus on identifying control gaps and advancing purple team maturity, the ideal candidate … a transformation mindset, and a proven ability to lead and inspire high-performing teams in a dynamic, threat-informed environment. RESPONSIBILITIES Technical Leadership & Execution - Personally lead and execute advanced penetration tests, red/purple team exercises, and adversary emulation campaigns across cloud, application, and infrastructure layers. - Identify and exploit vulnerabilities to simulate real-world attack scenarios, validate detection and 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 ❯

Conexus is currently sourcing for an experienced Penetration Test Manager to support the delivery of high-assurance cyber security projects for defence and critical national infrastructure clients.We're looking for someone who has operated as a Senior Penetration Tester within an operational environment and has been responsible for quality assuring the work of others. You may also bring … experience as an assessor for a penetration testing exam body or a relevant industry quality scheme. This role sits at the senior end of the delivery function and will suit someone who has worked on adversary simulation teams, taking ownership of oversight and assurance responsibilities. Key responsibilities: Conduct in-year sampling of technical reports to ensure adherence to … standalone Team Leaders, particularly those without peer-level technical support Provide ongoing guidance and technical input to the cyber assurance project team Key experience: Strong background as a Senior Penetration Tester with proven experience reviewing and assuring the output of others Experience within adversary simulation or red team operations Familiarity with formal assessment or examiner roles for pen testing 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 ❯

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 ❯

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 ❯

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 ❯

to ensure an appropriate response taken. Overseeing vulnerability scanning to confirm the effectiveness of patching Monitoring systems for compliance with policy and supporting remediation where required. Track and manage penetration testing programs. Investigate and respond to security breaches and incidents. Supporting the administration of email and web gateways Develop our threat intelligence and provide monitoring of external information 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 ❯

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 ❯

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 ❯

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 ❯

/7 shift-based role) Desirable Qualifications and Experience Experience in a client-facing technical or consulting role Background in one or more of the following areas: SOC, Pen Testing, InfoSec, Networking, Systems Administration Knowledge of cybersecurity concepts including BGP, WAF, and CDN Familiarity with cloud platforms (AWS, Azure, GCP) Scripting abilities (e.g., Python, Bash) for automation or data 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 ❯

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 ❯

required: Demonstrable experience in analysing and deconstructing Android applications ( Java essential; native code experience advantageous) Strong understanding of Android OS security features and architecture Proficiency in vulnerability identification and penetration testing techniques Ability to work independently, with excellent attention to detail and analytical skills Comfortable navigating large, unfamiliar codebases Excellent communication skills and a collaborative approach to problem … point during the recruitment process, if there is a better way for us to communicate, please do let us know. Developer, Engineer, Programmer, Java, Android, Mobile OS, Malware, Virus, Penetration Test, Threat, OSCP, Cyber, Infosec, Security, Information Security, Pentest #vacancy #jobadvert #recruit #hiring #jobsearch #careers #talent #recruitment #job Circle Recruitment is acting as an Employment Agency in relation to More ❯

the following skills and experience: - Relevant cyber certifications - Experience in either a Cyber Analyst or Cyber Engineer role - Knowledge on SIEM and EDR tools - Experience in network audits and penetration testing - Infrastructure support experience - Knowledge on security frameworks More ❯

you will need the following skills and experience: - Experience in either a Cyber Analyst or Cyber Engineer role - Knowledge on SIEM and EDR tools - Experience in network audits and penetration testing - Infrastructure support experience - Knowledge on security frameworks More ❯