1 to 25 of 70 Penetration Testing Jobs in the South East

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. … to technical and non-technical stakeholders. Main role will be as a Junior Cyber Security Consultant, with options in the future to move into penetration testing andto work in other areas of information security consultancy. Focus on your development by attaining industry recognised certifications. Be available for occasional … duties and on-site client engagements, as needed. What We're Looking For Qualifications : Relevant degree or one full year's minimum experience in penetration testing or cyber security assurance. Experience : Some experience of cyber security assessment, vulnerability assessments, or penetration testing. Certifications : such as CPSA or More ❯

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 … 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 … 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 More ❯

a drive to succeed in their own fields. ROLE OBJECTIVE We are seeking a highly skilled Cyber Security Consultant 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 risks across various … 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 … 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. More ❯

Key Words: Network Firewall Administrator Penetration Testing Qualifications: Good written and verbal English skills CEH (Certified Ethical Hacker), OSCP CCNA/CCNP (similar level of knowledge) is good to have. Skills/Experience: At least 7-8 years of relevant experience Full level understanding on 3-4 technologies … experience on various platforms. Should be able to Identify and assess vulnerabilities in networks, systems, and applications. Should be able to Plan and Execute Penetration Tests, should be familiar with penetration testing tools and techniques Should be able to Report Vulnerabilities and Advise on best Security Policies. More ❯

platforms as secure as Fort Knox, while keeping things as resilient and reliable as your favourite superhero's shield. We're seeking a Senior Penetration Testing Engineer to delve into the depths of security challenges, pushing the boundaries of innovation and crafting impactful solutions at scale. As one … must haves In order to be considered, you must have the following experience; Degree in computer science, security, or equivalent experience Demonstrable understanding of penetration testing, red teaming, and relevant certifications (e.g., NCSC, CREST, Ethical Hacking, SANS) Proven experience in web/mobile application security testing, cloud More ❯

join a small, elite team reporting to the Technical Director. Ideally at Principal level (Senior considered), with strong experience in Red Teaming and Infrastructure Penetration Testing, particularly within regulated industries (e.g., government, finance). Key Requirements: Several years of hands-on Red Team experience CRT and/or … CTM certifications; other Red Team certs valued Solid background in infrastructure penetration testing (to collaborate with PenTest teams when needed) Location & Flexibility: London-based team; most members are in-office 5 days/week Expectation: 3–4 days/week in London office Remote possible for exceptional candidates … bonuses Work remotely from anywhere in the world for 2-4 weeks annually Role focus: Lead Technical Delivery : Oversee red team, purple team, and penetration testing engagements, including managing team members and project execution. Innovative & Strategic : Design advanced attack strategies and provide expert guidance to clients, from scoping More ❯

to join our team. Working alongside our experienced team of specialists, you'll be delivering offensive security services including digital footprint reconnaissance, social engineering, penetration testing and vulnerability assessments to high profile clients across all industries. The purpose of this role is to deliver our offensive security services … including digital footprint reconnaissance, social engineering, vulnerability assessments, penetration testing, threat modelling, cyber-attack simulation exercises, and more to high profile clients across all industries. You'll benefit from ongoing coaching, career mentoring, and be supported by our career pathway. You will have an opportunity to continue to … for you! We value diverse experiences and perspectives. Here's what we're looking for in our ideal candidate: Experience in offensive security and penetration testing. Demonstrable experience in infrastructure and web application testing; experience in API testing is desirable. Demonstrable experience using common pentesting tools including More ❯

business and technical focused. You will have ideas of how to drive the business forward, and be skilled in the commercial aspects of security testing, above all you will know what clients are looking for when they buy security testing and how to deliver it. Management and delivery … of penetration testing services to clients to include the following: Scoping Financial and risk management Delivery of testing and the oversight of testers Review of deliverables (QA) Coaching and developing team members through sharing of experience and knowledge. Performance management of junior staff. Continuous development of self … the broader offerings to enable identification of business opportunities Required Skills and Experience: Passion for Hacking! Clear and demonstrable understanding of red-teaming/penetration testing, including NCSC and CREST accredited schemes such as xBEST, STAR/STAR-FS, CHECK. Proven experience of successfully managing and delivering testing More ❯

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. … If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead penetration testing teams to conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Lead on-site customer engagements. … years leading network, web, and internal penetrations tests as well as experience in leading customer engagements onsite. Leadership : Experience of supervising and mentoring penetration test teams. Training Experience : Ownership and leadership on developing and providing training courses. Tools : Proficiency with tools like Burpsuite Pro, Nessus, and other industry standards. More ❯

and cyber security best practices within a defence environment. RESPONSIBILITIES Provide technical cyber security consultancy to public and private sector clients. Perform security assessments, penetration testing, and vulnerability management to protect critical systems. Design, implement, and maintain security architectures and frameworks aligned with government standards. Lead and support … with the Ministry of Defence. Strong technical expertise in areas such as network security, endpoint security, cloud security, and secure system architecture. Experience in penetration testing, vulnerability management, and cyber threat intelligence. Solid knowledge of security technologies such as SIEM, IDS/IPS, firewalls, and endpoint detection and More ❯

with industry accreditations (e.g., ISO 27001, NIST, GDPR), working closely with external auditors and regulatory bodies. Conduct regular risk assessments and vulnerability management, and penetration testing to identify and mitigate security risks. Oversee security awareness training programs, ensuring a strong security culture is implemented and embedded throughout the … IAM solutions. Working knowledge of security frameworks: ISO 27001, NIST, CIS, SOC 2, GDPR, GXP, etc. Experience in cloud security Proficient in threat modeling, penetration testing, vulnerability management, and security incident response. Demonstrated ability to build security teams and drive cybersecurity initiatives from scratch. Experience in supporting organisations More ❯

with industry accreditations (e.g., ISO 27001, NIST, GDPR), working closely with external auditors and regulatory bodies Conduct regular risk assessments and vulnerability management, and penetration testing to identify and mitigate security risks. Oversee security awareness training programs, ensuring a strong security culture is implemented and embedded throughout the … IAM solutions Working knowledge of security frameworks: ISO 27001, NIST, CIS, SOC 2, GDPR, GXP, etc Experience in cloud security Proficient in threat modeling, penetration testing, vulnerability management, and security incident response Demonstrated ability to build security teams and drive cybersecurity initiatives from scratch Experience in supporting organisations More ❯

a high-security standard Stay current on Information Technology (IT) security trends and news Develop company-wide best practices for IT security Perform internal penetration testing if required Help colleagues install security software and understand information security management Be an escalation point for the service desk with resolving … similar role Ideally have previous experience in a helpdesk/IT Service role. Experience in information security or related field Experience with computer network penetration testing and techniques Understanding of firewalls, proxies, SIEM, antivirus and IDPS concepts Ability to identify and mitigate network vulnerabilities and explain how to More ❯

Application Security Engineer/Penetration Tester – FinTech – AppSec, Burp Suite, Metasploit Oliver Bernard are currently seeking an Application Security Engineer, with strong Penetration Testing experience, to join a FinTech client of ours on a contract basis. This hire is part of a security focused transformation where the … engineer will be responsible for identifying and mitigating security vulnerabilities, and risk, within their applications. You will have a focus on building security tools, penetration testing, and performing security assessments, whilst updating internal security processes and documentation in the process. To be considered, the following experience is required … 5+ years operating as an App Sec Engineer Extensive experience as a Penetration Tester Strong hands-on experience with tools such as Burp Suite and Metasploit Capable designing Security policies, procedures and best practices Able to investigate and respond to Security related incidents within applications, and work closely with More ❯

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. … 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 … 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 More ❯

Security Engineer – IAM | DORA | Pen Testing | Payments – Banking London/Glasgow | £750/day (Inside IR35) | Financial Services We're seeking a seasoned Security Engineer with a proven track record in banking environments to join a high-impact team driving resilience and security across mission-critical systems. You’ll … bring deep expertise across Identity & Access Management (IAM) , penetration testing , and 3rd party risk , with strong familiarity with DORA compliance and payments/settlement systems . What You’ll Do: Lead and execute advanced penetration testing and vulnerability assessments Own IAM strategy and operations , ensuring airtight … in fast-paced, regulated environments with a laser focus on resilience What You’ll Bring: Hands-on banking experience – essential Expertise in IAM, pen testing, third-party risk , and regulatory frameworks (DORA) In-depth knowledge of financial systems, especially payments & settlement platforms Strong communicator, highly analytical, and security-obsessed More ❯

engage, and close new business opportunities within the SOC Service offering and assist with GRC (PCI DSS, ISO 27001, NIST, Cyber Maturity Assessments) and penetration testing services. With strong SDR and marketing support, you'll have the tools and backing to succeed in a high-growth cybersecurity environment. … Doing: Hunt, Develop, and Manage Accounts: Your primary focus will be selling cyber professional services covering a wide spectrum from SOC, GRC, MDR, and Penetration testing Managing a sales pipeline with deal sizes ranging from £25k - £100k Meet or exceed quarterly sales quota Working closely with SDRs to More ❯

Outstanding opportunities have arisen for Penetration Testers to join our ever-growing team. We are seeking individuals who are looking to build knowledge and enhance their skill sets. We are seeking passionate security professionals who are eager to hone your skills and contribute to a world-class security practice. … About You: CREST Registered Tester, or equivalent Cyber Scheme or OSCP qualification Minimum two years' penetration testing experience in infrastructure and application disciplines, ideally with exposure to client site testing such as internal pen tests and IT health checks SC clearance and experience of formal NCSC CHECK … testing for central government clients an advantage but not essential Excellent written and verbal communication skills Highly organised with strong attention to detail Flexibility and resilience to meet the demands of the role Ability to demonstrate exceptional customer service A team player, able to work alongside colleagues and clients More ❯

Conducting comprehensive security assessments: This involves evaluating an organization's IT infrastructure, networks, systems, and applications to identify potential weaknesses and vulnerabilities. Performing vulnerability testing and penetration testing: Using various tools and techniques (like Nessus, Burp Suite, Metasploit), you'll simulate attacks to uncover exploitable flaws. Developing More ❯

security breaches, intrusions, and abnormal system behavior Investigate security incidents, perform root cause analysis, and provide incident response support Conduct regular vulnerability assessments and penetration testing; assist in remediation efforts Maintain and manage SIEM (Security Information and Event Management) tools and log analysis Develop and enforce security policies More ❯

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 More ❯

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 More ❯

Experience in the following types of Security Testing: - Security Analysis and Consulting - Static Application Security Testing (SAST) - Dynamic Application Security Testing (DAST) - Infrastructure Vulnerability Assessment - Mobile Application Penetration testing OWASP More ❯

Experience in the following types of Security Testing: - Security Analysis and Consulting - Static Application Security Testing (SAST) - Dynamic Application Security Testing (DAST) - Infrastructure Vulnerability Assessment - Mobile Application Penetration testing OWASP JBG81_UKTJ click apply for full job details More ❯

and regulations. Collaborate with development teams to integrate security throughout the software development lifecycle (SDLC). Conduct regular security assessments, including vulnerability scans and penetration testing, to identify and mitigate risks. Stay up-to-date with the latest security trends, vulnerabilities, and emerging threats, and provide recommendations for More ❯