26 to 50 of 291 Penetration Testing Jobs in the UK

strategy aligned with business and regulatory requirements. Liaise with the Eviden COO and Eviden Centre of Excellence to ensure alignment with group-wide security standards and initiatives. Vulnerability Management, Penetration Testing & PSIRT Lead vulnerability assessments and coordinate penetration testing activities with external vendors and internal teams. Track and manage remediation efforts across infrastructure, applications, and cloud … updates to leadership on risk posture and mitigation plans. Requirements Proven experience in a senior security role, ideally within a technology or SaaS environment. Strong understanding of vulnerability management, penetration testing, SecOps, and cloud security. Experience establishing or contributing to PSIRT processes. Experience working with cross-functional teams including engineering, operations, and client services. Excellent communication and stakeholder More ❯

Simulation (BAS) platforms to build and validate threat scenarios. Strong understanding of adversary tactics, techniques, and procedures (TTPs), MITRE ATT&CK framework, and threat modeling. Hands-on experience with penetration testing tools such as Metasploit Framework, Burp Suite, Kali Linux, and Pentera. Experience producing threat reports and briefings. Certifications Required or Preferred: Years of relevant experience: 8+ years … of experience in threat intelligence, cybersecurity operations, or penetration testing. Proven ability to collaborate across technical teams, including Red/Blue teams and SO Industry Experience Required or Preferred: Key Soft Skills (e.g Communication, leadership, stakeholder management): Analytical and detail-oriented with a strong sense of curiosity. Collaborative and team-focused, with a proactive approach to cross-functional engagement. … and analyze the global threat landscape to identify emerging risks, adversary tactics, and trends relevant to the organizations business and technology environment. Collaborate with Red Team, Blue Team, and Penetration Testing teams to integrate threat intelligence into testing scenarios using Breach & Attack Simulation (BAS) platforms and enhance defensive strategies. Act as a liaison between threat intelligence and More ❯

analyse the global threat landscape to identify emerging risks, adversary tactics, and trends relevant to the organization's business and technology environment Collaborate with Red Team, Blue Team, and Penetration Testing teams to integrate threat intelligence into testing scenarios using Breach & Attack Simulation (BAS) platforms and enhance defensive strategies Act as a liaison between threat intelligence and … intelligence and offensive security operations Ad hoc requests from your line manager Cyber Security Analyst Ideal Candidate: At least 5 years of experience in threat intelligence, cybersecurity operations, or penetration testing Ability to collaborate across technical teams, including Red/Blue teams and SOC Familiarity with threat intelligence platforms (TIPs), SIEMs, and threat data enrichment tools Experience using … Breach and Attack Simulation (BAS) platforms Strong understanding of adversary tactics, techniques, and procedures (TTPs), MITRE ATT&CK framework, and threat modelling Hands-on experience with penetration testing tools such as Metasploit Framework, Burp Suite, Kali Linux, and Pentera Experience producing threat reports and briefings Business level fluency in English Japanese, Cantonese, Mandarin language would be advantageous due More ❯

Infrastructure Penetration Tester | CHECK | CREST | CSTL/CTL | Networking | Config Reviews | API Testing | Contract Pen Testing | Infrastructure | External & Internal Networks | SR2 is partnered with a leading security consultancy on a significant multi-phase testing programme, and we’re looking for an experienced Infrastructure Penetration Tester to join the team. This role will focus on delivering … hands-on penetration testing across external and internal networks, reviewing system configurations, and identifying vulnerabilities within critical infrastructure. You’ll work alongside a small team of experienced testers to support a major client undergoing large-scale change, ensuring their environment is secure and compliant. Key Responsibilities: Conduct comprehensive external and internal infrastructure penetration tests , starting with perimeter … systems and moving into internal networks Perform configuration reviews across servers, firewalls, routers, and network devices Execute API security testing to assess authentication, data access, and integration risks Deliver “old-school” CHECK-style network and infrastructure testing in line with industry standards Produce detailed technical reports outlining vulnerabilities, exploitation paths, and remediation guidance Collaborate with the project lead More ❯

Infrastructure Penetration Tester | CHECK | CREST | CSTL/CTL | Networking | Config Reviews | API Testing | Contract Pen Testing | Infrastructure | External & Internal Networks | SR2 is partnered with a leading security consultancy on a significant multi-phase testing programme, and we’re looking for an experienced Infrastructure Penetration Tester to join the team. This role will focus on delivering … hands-on penetration testing across external and internal networks, reviewing system configurations, and identifying vulnerabilities within critical infrastructure. You’ll work alongside a small team of experienced testers to support a major client undergoing large-scale change, ensuring their environment is secure and compliant. Key Responsibilities: Conduct comprehensive external and internal infrastructure penetration tests , starting with perimeter … systems and moving into internal networks Perform configuration reviews across servers, firewalls, routers, and network devices Execute API security testing to assess authentication, data access, and integration risks Deliver “old-school” CHECK-style network and infrastructure testing in line with industry standards Produce detailed technical reports outlining vulnerabilities, exploitation paths, and remediation guidance Collaborate with the project lead More ❯

Infrastructure Penetration Tester | CHECK | CREST | CSTL/CTL | Networking | Config Reviews | API Testing | Contract Pen Testing | Infrastructure | External & Internal Networks | SR2 is partnered with a leading security consultancy on a significant multi-phase testing programme, and we’re looking for an experienced Infrastructure Penetration Tester to join the team. This role will focus on delivering … hands-on penetration testing across external and internal networks, reviewing system configurations, and identifying vulnerabilities within critical infrastructure. You’ll work alongside a small team of experienced testers to support a major client undergoing large-scale change, ensuring their environment is secure and compliant. Key Responsibilities: Conduct comprehensive external and internal infrastructure penetration tests , starting with perimeter … systems and moving into internal networks Perform configuration reviews across servers, firewalls, routers, and network devices Execute API security testing to assess authentication, data access, and integration risks Deliver “old-school” CHECK-style network and infrastructure testing in line with industry standards Produce detailed technical reports outlining vulnerabilities, exploitation paths, and remediation guidance Collaborate with the project lead More ❯

an advanced cyber defence function in London. This is a fantastic opportunity to shape threat intelligence, work alongside Red/Blue Teams, and operationalise intelligence using the latest cybersecurity, penetration testing, and Breach & Attack Simulation (BAS) platforms. Key Responsibilities: Monitor and analyse global cyber threat landscapes, identifying threats, adversary tactics, and emerging risks Collaborate with Red Team, Blue … Team, and Penetration Testing specialists to integrate intelligence into Breach & Attack Simulation (BAS) scenarios Act as a point of contact between threat intelligence, Red/Blue, and SOC teams to align threat modelling and adversary simulation Support threat hunting activities and provide tactical, contextual intelligence to stakeholders Model and assess threat actors, including motivations, capabilities, attack vectors, and … threat briefings, risk assessments, and operational recommendations Participate in incident response, providing context, attributions, and support as required Required Skills & Experience: Extensive experience in threat intelligence, cybersecurity operations, or penetration testing Proven ability to work collaboratively with Red/Blue teams and Security Operations Centres (SOC) Hands-on experience with TIPs (Threat Intelligence Platforms), SIEM tools, and threat More ❯

Hawksworth are now recruiting for a Security Vulnerability and Penetration Testing Engineer for a Permanent opportunity with a leading Law firm. Salary depending on suitability and experience, but the range is between 80,000 and 100,000 base salary. Alternatively Remote Perform security penetration testing of the Firms systems, platforms, and applications Provide technical assessment reports … of OWASP, CVE, general security controls, and other foundational topics, such as the latest application and operating system exploits 3 to 5 years of relevant experience in Web Application penetration testing or 2 years relevant experience plus 3+ years overall IT experience. CISP and Offensive Security OSP certifications are required More ❯

Cyber Security Consultant (Penetration Tester) Milton Keynes, Buckinghamshire, United Kingdom We are seeking an experienced Cyber Security Consultant (Penetration Tester) . Make an Impact at RSM UK At RSM, our consulting team brings together diverse advisory experts to deliver our six core solutions: business transformation, forensic, deal services, restructuring, finance function support, and risk and governance. Our solutions … seeking an enthusiastic Cyber Security Consultant to join our team. Working alongside our experienced team of specialists, you'll deliver offensive security services including digital footprint reconnaissance, social engineering, penetration testing, vulnerability assessments, and more to high-profile clients across all industries. The purpose of this role is to deliver offensive security services such as digital footprint reconnaissance … social engineering, vulnerability assessments, penetration testing, threat modeling, cyber-attack simulation exercises, and more. You'll benefit from ongoing coaching, career mentoring, and support through our career pathway. You will have opportunities to develop market-leading skills across different capabilities and advance your professional development. You will make an impact by: Supporting technical scoping activities for client assignments. More ❯

Penetration Tester - Bristol | Full-Time | Hybrid with Client Travel Salary: £30,000 - £65,000pa (Depending on experience) My client is a UK-based technology and cybersecurity consultancy delivering cutting-edge solutions across sectors including telecoms, finance, defence, rail, and aerospace. With expertise in cybersecurity, software development, and R&D, they work on some of the most critical and challenging … projects in the UK and beyond. The Role They're looking for an experienced Penetration Tester to join their expert team in Bristol. You'll be responsible for conducting advanced penetration tests, red team exercises, and vulnerability assessments, helping clients strengthen their defences and reduce risk. What You'll Do Perform penetration testing across networks, systems … assessments and red teaming activities Create detailed reports and communicate findings clearly to clients Contribute to internal research and tool development What You'll Bring 2+ years' experience in penetration testing or vulnerability assessment CHECK, Crest, or equivalent certification Strong technical understanding of networks, OS, and security tools (Metasploit, Burp Suite, Nmap, etc.) Excellent communication and problem-solving More ❯

Penetration Tester – Bristol | Full-Time | Hybrid with Client Travel Salary: £30,000 - £65,000pa (Depending on experience) My client is a UK-based technology and cybersecurity consultancy delivering cutting-edge solutions across sectors including telecoms, finance, defence, rail, and aerospace. With expertise in cybersecurity, software development, and R&D, they work on some of the most critical and challenging … projects in the UK and beyond. The Role They’re looking for an experienced Penetration Tester to join their expert team in Bristol. You’ll be responsible for conducting advanced penetration tests, red team exercises, and vulnerability assessments, helping clients strengthen their defences and reduce risk. What You’ll Do Perform penetration testing across networks, systems … assessments and red teaming activities Create detailed reports and communicate findings clearly to clients Contribute to internal research and tool development What You’ll Bring 2+ years’ experience in penetration testing or vulnerability assessment CHECK, CREST, or equivalent certification Strong technical understanding of networks, OS, and security tools (Metasploit, Burp Suite, Nmap, etc.) Excellent communication and problem-solving More ❯

Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Carry out hands-on penetration testing across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements through hands … on systematic and innovative testing Lead teams on client engagements as well as working alone Proven history in the delivery of manual penetration testing (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Comfortable with programming in one or more languages Deep knowledge More ❯

Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Carry out hands-on penetration testing across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements through hands … on systematic and innovative testing Lead teams on client engagements as well as working alone Proven history in the delivery of manual penetration testing (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Comfortable with programming in one or more languages Deep knowledge More ❯

effective security controls and countermeasures. Conduct threat modelling exercises to identify potential security risks and vulnerabilities early in the development lifecycle. Conduct in-depth security assessments, code reviews, and penetration testing of applications to identify and mitigate security vulnerabilities. Utilise industry-standard tools and methodologies to assess the security posture of applications and provide actionable recommendations for remediation … person, with the ability to educate and influence on Application Security matters Basic experience in Software Development with any programming language Security Test Management Application Security Assessments Security Assurance Penetration Testing Security Evaluation & Functional Testing Application Security Testing If the above is of interest, please apply with an updated copy of your CV and a member More ❯

Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Carry out hands-on penetration testing across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements through hands … on systematic and innovative testing Lead teams on client engagements as well as working alone Proven history in the delivery of manual penetration testing (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Comfortable with programming in one or more languages Deep knowledge More ❯

Penetration Tester UK/Remote - 65,000 Are you an ambitious individual with a passion for uncovering vulnerabilities and strengthening digital defences? As a Penetration Tester you will be playing a key role in protecting our clients critical systems. Working in a fast-paced environment you will be working on multiple client engagements. This role has come about … clients that you could be engaged with both Public and Private Sector, some are one off engagements sometimes there will be multiyear engagements. Key Skills Hands-on experience in penetration testing or IT Health Check delivery Eligibility to obtain and maintain UK security clearances. Familiarity with common tools such as Burp Suite, Nmap, Nessus, Metasploit, etc. Understanding of … network protocols (TCP/IP, OSI model) and common web application Current penetration testing qualification such as CREST Practitioner Security Analyst (CPSA), Crest Registered Tester (CRT), or Cyber Scheme Team Member (CSTM). Exceptional documentation of your results and deliver the results to the client Ability to have technical chats with non-technical individuals to enable them to More ❯

Penetration Tester – UK/Remote - £65,000 Are you an ambitious individual with a passion for uncovering vulnerabilities and strengthening digital defences? As a Penetration Tester you will be playing a key role in protecting our clients’ critical systems. Working in a fast-paced environment you will be working on multiple client engagements. This role has come about … clients that you could be engaged with both Public and Private Sector, some are one off engagements sometimes there will be multiyear engagements. Key Skills Hands-on experience in penetration testing or IT Health Check delivery Eligibility to obtain and maintain UK security clearances. Familiarity with common tools such as Burp Suite, Nmap, Nessus, Metasploit, etc. Understanding of … network protocols (TCP/IP, OSI model) and common web application Current penetration testing qualification such as CREST Practitioner Security Analyst (CPSA), Crest Registered Tester (CRT), or Cyber Scheme Team Member (CSTM). Exceptional documentation of your results and deliver the results to the client Ability to have technical chats with non-technical individuals to enable them to More ❯

Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Carry out hands-on penetration testing across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements through hands … on systematic and innovative testing Lead teams on client engagements as well as working alone Proven history in the delivery of manual penetration testing (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Comfortable with programming in one or more languages Deep knowledge More ❯

Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Carry out hands-on penetration testing across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements through hands … on systematic and innovative testing Lead teams on client engagements as well as working alone Proven history in the delivery of manual penetration testing (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Comfortable with programming in one or more languages Deep knowledge More ❯

Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Key Responsibilities Carry out hands-on penetration testing across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements … through hands on systematic and innovative testing Lead teams on client engagements as well as working alone Deliver detailed and actionable penetration test reports efficiently Explain complex security issues in a clear, business-focused way to different audiences, from technical development teams to senior non-technical management teams. Required experience Proven history in the delivery of manual penetration testing (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Knowledge or experience of security build reviews for all common operating systems Comfortable with programming in one or more languages Deep knowledge of databases, including security considerations and database hardening techniques Solid technical understanding More ❯

Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Key Responsibilities Carry out hands-on penetration testing across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements … through hands on systematic and innovative testing Lead teams on client engagements as well as working alone Deliver detailed and actionable penetration test reports efficiently Explain complex security issues in a clear, business-focused way to different audiences, from technical development teams to senior non-technical management teams. Required experience Proven history in the delivery of manual penetration testing (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Knowledge or experience of security build reviews for all common operating systems Comfortable with programming in one or more languages Deep knowledge of databases, including security considerations and database hardening techniques Solid technical understanding More ❯

Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Key Responsibilities Carry out hands-on penetration testing across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements … through hands on systematic and innovative testing Lead teams on client engagements as well as working alone Deliver detailed and actionable penetration test reports efficiently Explain complex security issues in a clear, business-focused way to different audiences, from technical development teams to senior non-technical management teams. Required experience Proven history in the delivery of manual penetration testing (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Knowledge or experience of security build reviews for all common operating systems Comfortable with programming in one or more languages Deep knowledge of databases, including security considerations and database hardening techniques Solid technical understanding More ❯

Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Key Responsibilities Carry out hands-on penetration testing across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements … through hands on systematic and innovative testing Lead teams on client engagements as well as working alone Deliver detailed and actionable penetration test reports efficiently Explain complex security issues in a clear, business-focused way to different audiences, from technical development teams to senior non-technical management teams. Required experience Proven history in the delivery of manual penetration testing (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Knowledge or experience of security build reviews for all common operating systems Comfortable with programming in one or more languages Deep knowledge of databases, including security considerations and database hardening techniques Solid technical understanding More ❯

Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Key Responsibilities Carry out hands-on penetration testing across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements … through hands on systematic and innovative testing Lead teams on client engagements as well as working alone Deliver detailed and actionable penetration test reports efficiently Explain complex security issues in a clear, business-focused way to different audiences, from technical development teams to senior non-technical management teams. Required experience Proven history in the delivery of manual penetration testing (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Knowledge or experience of security build reviews for all common operating systems Comfortable with programming in one or more languages Deep knowledge of databases, including security considerations and database hardening techniques Solid technical understanding More ❯

Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Key Responsibilities Carry out hands-on penetration testing across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements … through hands on systematic and innovative testing Lead teams on client engagements as well as working alone Deliver detailed and actionable penetration test reports efficiently Explain complex security issues in a clear, business-focused way to different audiences, from technical development teams to senior non-technical management teams. Required experience Proven history in the delivery of manual penetration testing (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Knowledge or experience of security build reviews for all common operating systems Comfortable with programming in one or more languages Deep knowledge of databases, including security considerations and database hardening techniques Solid technical understanding More ❯