51 to 75 of 291 Penetration Testing Jobs in the UK

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 ❯

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 ❯

to work in a business where you stand to work alongside some very talented testers? CND are working with a boutique Cyber Security consultancy who are focused on the Penetration Testing market. What makes them stand out? They are not interested in flashy marketing and would never be caught trying to pass off a Nessus scan as a … Penetration Test. The business has been built on delivering excellent testing and reports as well as ensuring that clients see the real benefits of their testing outputs. The company have an office in Cheltenham however you are welcome to work where is best for you. Job Details Key Responsibilities Work to deliver CHECK penetration testing … team to flesh out technical input as needed. Deliver quality reports to customers. Stay up to date with industry trends and new attack methods. Take a broad approach to testing, working on INF, APP, Mobile, AD, or Cloud tests. Essential Skills Currently holds a CHECK equivalency certification. Eligibility to hold or currently hold clearance. Experience working with Linux and More ❯

CHECK Registered Penetration Tester - UK remote - £50k - £70k Location: Fully Remote (UK-based) Salary: £50,000 – £70,000 + Excellent Benefits About the Role We’re working with a well-established and fast-growing cybersecurity consultancy that is looking to expand its team of expert penetration testers. This is an exciting opportunity for a CHECK Registered Pen Tester … CTM level or above) to join a collaborative, forward-thinking environment where your skills will be valued and developed. Key Responsibilities Conduct penetration testing engagements across a variety of sectors including healthcare, telecoms, and financial services Deliver high-quality technical assessments in line with CHECK standards Produce clear, concise, and actionable reports for both technical and non-technical … stakeholders Collaborate with senior consultants and principals to ensure best practices and knowledge sharing Stay current with emerging threats, tools, and techniques to continuously improve testing methodologies What We’re Looking For CHECK Team Member (CTM) or CHECK Team Leader (CTL) status Strong knowledge of penetration testing tools, techniques, and methodologies Excellent communication and report-writing skills More ❯

environment . Key Responsibilities Assist in monitoring and analyzing network traffic, logs, and system alerts to identify potential threats Perform vulnerability assessments and help implement remediation strategies Participate in penetration testing and report exploitable weakens Assist with hardening of systems, identity & access management, and secure configuration of cloud assets Research emerging cyber threats, malware trends, and document recommended … Science, IT, or related fields Strong understanding of networking basics, OSI model, TCP/IP, firewalls, VPNs, IDS/IPS Familiarity with Linux & Windows system administration commands Knowledge of penetration testing tools (Nmap, Wireshark, Burp Suite, Metasploit, etc.) Fundamentals of cryptography, authentication protocols & OWASP Top 10 Critical thinking, attention to detail, and a proactive learning mindset Nice to More ❯

environment . Key Responsibilities Assist in monitoring and analyzing network traffic, logs, and system alerts to identify potential threats Perform vulnerability assessments and help implement remediation strategies Participate in penetration testing and report exploitable weakens Assist with hardening of systems, identity & access management, and secure configuration of cloud assets Research emerging cyber threats, malware trends, and document recommended … Science, IT, or related fields Strong understanding of networking basics, OSI model, TCP/IP, firewalls, VPNs, IDS/IPS Familiarity with Linux & Windows system administration commands Knowledge of penetration testing tools (Nmap, Wireshark, Burp Suite, Metasploit, etc.) Fundamentals of cryptography, authentication protocols & OWASP Top 10 Critical thinking, attention to detail, and a proactive learning mindset Nice to More ❯

environment . Key Responsibilities Assist in monitoring and analyzing network traffic, logs, and system alerts to identify potential threats Perform vulnerability assessments and help implement remediation strategies Participate in penetration testing and report exploitable weakens Assist with hardening of systems, identity & access management, and secure configuration of cloud assets Research emerging cyber threats, malware trends, and document recommended … Science, IT, or related fields Strong understanding of networking basics, OSI model, TCP/IP, firewalls, VPNs, IDS/IPS Familiarity with Linux & Windows system administration commands Knowledge of penetration testing tools (Nmap, Wireshark, Burp Suite, Metasploit, etc.) Fundamentals of cryptography, authentication protocols & OWASP Top 10 Critical thinking, attention to detail, and a proactive learning mindset Nice to More ❯

environment . Key Responsibilities Assist in monitoring and analyzing network traffic, logs, and system alerts to identify potential threats Perform vulnerability assessments and help implement remediation strategies Participate in penetration testing and report exploitable weakens Assist with hardening of systems, identity & access management, and secure configuration of cloud assets Research emerging cyber threats, malware trends, and document recommended … Science, IT, or related fields Strong understanding of networking basics, OSI model, TCP/IP, firewalls, VPNs, IDS/IPS Familiarity with Linux & Windows system administration commands Knowledge of penetration testing tools (Nmap, Wireshark, Burp Suite, Metasploit, etc.) Fundamentals of cryptography, authentication protocols & OWASP Top 10 Critical thinking, attention to detail, and a proactive learning mindset Nice to More ❯

environment . Key Responsibilities Assist in monitoring and analyzing network traffic, logs, and system alerts to identify potential threats Perform vulnerability assessments and help implement remediation strategies Participate in penetration testing and report exploitable weakens Assist with hardening of systems, identity & access management, and secure configuration of cloud assets Research emerging cyber threats, malware trends, and document recommended … Science, IT, or related fields Strong understanding of networking basics, OSI model, TCP/IP, firewalls, VPNs, IDS/IPS Familiarity with Linux & Windows system administration commands Knowledge of penetration testing tools (Nmap, Wireshark, Burp Suite, Metasploit, etc.) Fundamentals of cryptography, authentication protocols & OWASP Top 10 Critical thinking, attention to detail, and a proactive learning mindset Nice to More ❯

environment . Key Responsibilities Assist in monitoring and analyzing network traffic, logs, and system alerts to identify potential threats Perform vulnerability assessments and help implement remediation strategies Participate in penetration testing and report exploitable weakens Assist with hardening of systems, identity & access management, and secure configuration of cloud assets Research emerging cyber threats, malware trends, and document recommended … Science, IT, or related fields Strong understanding of networking basics, OSI model, TCP/IP, firewalls, VPNs, IDS/IPS Familiarity with Linux & Windows system administration commands Knowledge of penetration testing tools (Nmap, Wireshark, Burp Suite, Metasploit, etc.) Fundamentals of cryptography, authentication protocols & OWASP Top 10 Critical thinking, attention to detail, and a proactive learning mindset Nice to More ❯

environment . Key Responsibilities Assist in monitoring and analyzing network traffic, logs, and system alerts to identify potential threats Perform vulnerability assessments and help implement remediation strategies Participate in penetration testing and report exploitable weakens Assist with hardening of systems, identity & access management, and secure configuration of cloud assets Research emerging cyber threats, malware trends, and document recommended … Science, IT, or related fields Strong understanding of networking basics, OSI model, TCP/IP, firewalls, VPNs, IDS/IPS Familiarity with Linux & Windows system administration commands Knowledge of penetration testing tools (Nmap, Wireshark, Burp Suite, Metasploit, etc.) Fundamentals of cryptography, authentication protocols & OWASP Top 10 Critical thinking, attention to detail, and a proactive learning mindset Nice to More ❯

platforms like CyGlass and KnowBe4, coordinate with external partners including Pentest People, and support internal compliance efforts. This is a hands-on role with variety — from incident response and penetration testing coordination to user training and policy development. Key Responsibilities Security Operations & Monitoring • Manage and monitor the CyGlass network defence platform • Coordinate penetration testing and remediation More ❯

SP800 series, CSF). Conduct risk assessments and vulnerability management activities. Maintain robust security controls across enterprise assets, software, networks, and applications. Support incident response and recovery processes, including penetration testing and audit log management. Deliver training and awareness programs to enhance the organizations security posture. Collaborate with internal and external stakeholders to maintain compliance and manage third … analytical mindset with strong problem-solving skills. Technical Skills: Comprehensive knowledge of security controls, including: Data Protection, Account Management, and Access Control Management. Continuous Vulnerability Management and Incident Response. Penetration Testing and Security Awareness Training. Secure Configuration and Network Monitoring. More ❯

SP800 series, CSF). Conduct risk assessments and vulnerability management activities. Maintain robust security controls across enterprise assets, software, networks, and applications. Support incident response and recovery processes, including penetration testing and audit log management. Deliver training and awareness programs to enhance the organizations security posture. Collaborate with internal and external stakeholders to maintain compliance and manage third … analytical mindset with strong problem-solving skills. Technical Skills: Comprehensive knowledge of security controls, including: Data Protection, Account Management, and Access Control Management. Continuous Vulnerability Management and Incident Response. Penetration Testing and Security Awareness Training. Secure Configuration and Network Monitoring. More ❯

Location: Fully Remote Day Rate: 700-1100/day (OUTSIDE IR35) Contract Length: 3 Months (with the view to extend) Principal Solutions Architect/Consultant - Role & Responsibilities Requirements gathering Penetration testing & exploitation Consulting with customers Communicating and advising customers on vulnerabilities across systems & assets Security Architecture Principal Solutions Architect/Consultant - Required Experience 8+ years in customer-facing … Architecture/Consulting roles, presenting to Senior Stakeholders Experience in the telecommunications sector (ideally on a global scale), working to GSMA standards Advanced Security Architecture & Threat Modeling Vulnerability management Penetration testing & exploitation Cloud security (AWS, Azure, GCP) and container security (Docker, Kubernetes) Network security (firewalls, SIEM, IDS/IPS, packet analysis) Secure software development & code review Incident response More ❯

Location: Fully Remote Day Rate: £700-1100/day (OUTSIDE IR35) Contract Length: 3 Months (with the view to extend) Principal Solutions Architect/Consultant - Role & Responsibilities Requirements gathering Penetration testing & exploitation Consulting with customers Communicating and advising customers on vulnerabilities across systems & assets Security Architecture Principal Solutions Architect/Consultant - Required Experience 8+ years in customer-facing … Architecture/Consulting roles, presenting to Senior Stakeholders Experience in the telecommunications sector (ideally on a global scale), working to GSMA standards Advanced Security Architecture & Threat Modeling Vulnerability management Penetration testing & exploitation Cloud security (AWS, Azure, GCP) and container security (Docker, Kubernetes) Network security (firewalls, SIEM, IDS/IPS, packet analysis) Secure software development & code review Incident response More ❯

impact security projects within complex OT environments. As a Senior ICS OT Cyber Security Engineer, you will take a lead role in securing operational technology networks, delivering threat modelling, penetration testing, and cyber risk mitigation strategies for industrial environments. You will work closely with key stakeholders to design secure architectures, provide technical leadership on live security projects, and … candidates to be eligible for SC Level Security Clearance. Main Responsibilities: Lead the design and implementation of secure OT network architectures across critical infrastructure environments. Conduct attack path analysis, penetration testing and adversary simulations within ICS/OT environments. Perform cybersecurity risk assessments and technical security audits aligned to recognised industry frameworks. Develop technical design specifications and security More ❯

with product teams to design and review features with security built in from the start. Identify and mitigate vulnerabilities using white-box (code review, architecture analysis) and black-box (penetration testing, fuzzing) techniques. Proactively find security flaws in applications, APIs, and infrastructure, and help teams remediate them quickly. Introduce pragmatic security tooling and automation to strengthen defences without … including collaborating on incident response when needed. What you need to be successful: Track record of finding and remediating application security vulnerabilities, ideally demonstrated through in-depth security research, penetration testing, or red teaming. Hands-on experience with white-box and black-box testing techniques and tools. Familiarity with secure software development in modern web applications (React More ❯

Penetration Tester Solihull (Hybrid) 50,000 80,000 + Benefits + Generous pension! National cyber & telecoms testing environment Were working with a major national telecoms and cyber security programme building a world-class research and testing facility to help secure the UKs communications networks and accelerate innovation in next-generation connectivity. As part of this initiative, were … hiring Penetration Testers who will identify vulnerabilities across the hardware, software, and platforms that power the UKs critical digital infrastructure. Youll test everything from 5G and core network components to virtualised environments and bespoke tooling, with the work you are doing directly strengthening national resilience. This is not your typical pen-testing role. Youll operate at the intersection … and R&D, working alongside engineers and researchers to uncover complex vulnerabilities and improve the security of the UKs network ecosystem. What Youll Be Doing Conduct hands-on security testing of modern IT and telecoms network components. Perform protocol fuzzing, positive/negative testing, and exploit development across complex network functions. Develop or script custom tooling for automated More ❯

is accountable for security within the mobile channel. We provide a suite of mobile security components, that provides an all-round security posture in mobile apps including associated services (penetration testing, obfuscation, consultancy etc.). Our mission is to build a scalable, adaptable, and proactive approach to securing customer's mobile apps, enabling mobile engineers across the bank … delivering, and driving the security of our mobile platform. The key aspect of this role is the design and delivery of a world-class security framework, including associated services (penetration testing, research, consultancy etc.). Essential skills & experience: Experience of Mobile platform security, threat modelling and mitigation techniques Capable of conducting regular reviews of our mobile application security … posture using your hands-on experience. Develop and maintain pen-testing security tools, scripts, policies and procedures In depth knowledge of mobile app security standards (Android/iOS) Desirable knowledge & experience Familiarity with mobile development, DevSecOps tooling, testing and automation frameworks. Have deep knowledge and experience using the mobile security tools. Good understanding of authentication, authorisation, encryption, and More ❯