1 to 25 of 112 Remote Permanent Penetration Testing Jobs

Penetration Tester - CTM, NCSE, Penetration testing, CPSA, CRT - £55,000 - £65,000 - Homebased 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 … 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 ❯

Principal Offensive Security Consultant £100k Location: Hybrid (2 days per month in London) Salary: £80,000 - £100,000 + benefits Are you a Senior Offensive Security Consultant or Principal Penetration Tester ready to take the next step into Red Teaming and Adversarial Simulation ? This is your opportunity to join an agile, rapidly growing UK cyber security consultancy where you … to research and tooling that truly make an impact. About the Role As a Senior/Principal Offensive Consultant , you'll lead complex technical engagements that go beyond standard penetration testing - focusing on advanced exploitative infrastructure testing , Active Directory compromise , and assumed breach assessments . You'll work directly with clients to scope, plan, and deliver high … impact projects, while helping to expand the organisation's Red Team and adversarial simulation services . Key Responsibilities: Lead and deliver high-level infrastructure and Active Directory penetration testing engagements. Conduct advanced exploitative testing , lateral movement analysis, and privilege escalation within real-world environments. Support presales activity - crafting scopes, proposals, and technical solutions aligned with client objectives. More ❯

Principal Offensive Security Consultant £100k Location: Hybrid (2 days per month in London) Salary: £80,000 - £100,000 + benefits Are you a Senior Offensive Security Consultant or Principal Penetration Tester ready to take the next step into Red Teaming and Adversarial Simulation This is your opportunity to join an agile, rapidly growing UK cyber security consultancy where you … to research and tooling that truly make an impact. About the Role As a Senior/Principal Offensive Consultant , you'll lead complex technical engagements that go beyond standard penetration testing - focusing on advanced exploitative infrastructure testing , Active Directory compromise , and assumed breach assessments . You'll work directly with clients to scope, plan, and deliver high … impact projects, while helping to expand the organisation's Red Team and adversarial simulation services . Key Responsibilities: Lead and deliver high-level infrastructure and Active Directory penetration testing engagements. Conduct advanced exploitative testing , lateral movement analysis, and privilege escalation within real-world environments. Support presales activity - crafting scopes, proposals, and technical solutions aligned with client objectives. More ❯

Poole, Dorset (Hybrid – 3 days/week in the office) You don’t just spot vulnerabilities, you close them before they become a problem. Whether it’s penetration testing, access controls, or a misconfigured firewall, you’ve got the mindset and the method to lock things down. You understand the bigger picture of what security means in a … Dorset (hybrid - 3 days/week in the office) Scope : Work across IT, application, cloud, and physical security, no siloed remits here Responsibility : Be the go-to person for penetration testing, compliance audits, and vulnerability management Environment : Modern SaaS product environment, working alongside DevOps, engineering, and IT Growth : Get stuck into a wide variety of work, with support … from leadership and autonomy to make a real impact What you’ll be doing: Leading vulnerability assessments and coordinating regular penetration testing across systems and products Owning risk remediation actions, from security audits to PCI scans and compliance reporting Working across cloud (AWS), infrastructure, and software environments to ensure security best practices are embedded throughout Supporting the secure More ❯

Penetration Tester - Leading Managed Services Provider Remote based. Salary: Up to 60k, depending on experience. A leading Managed Services Provider are seeking to recruit a technically skilled Cyber Security/Penetration Tester. This is a fantastic opportunity to join a well-established organisation delivering high-quality security services to enterprise clients across the UK. As a Penetration Tester, you will be responsible for conducting manual penetration testing across both application and infrastructure layers. You will contribute to secure build reviews, advise on secure design practices, and provide technical insight to both internal teams and clients. Key Responsibilities Perform manual penetration testing of web applications and infrastructure Conduct security build reviews across common … and concise technical reports for a range of stakeholders Collaborate with internal teams and clients to support remediation and secure development Required Skills and Experience Proven experience in manual penetration testing (application and infrastructure) Strong understanding of TCP/IP and core networking principles Extensive experience testing web-based applications Familiarity with secure configuration and build reviews More ❯

ReRoot Cyber is seeking highly skilled and forward-thinking CHECK Team Members to join one of the UK’s most respected testing teams. This is an independent, privately owned testing consultancy led by industry-recognised names who are hackers at heart. This team is led by an active penetration tester who understands the niggles of day penetration testing operations. As a result, engagements are centred around making your day-to-day responsibilities as easy as possible, with a pure focus on value added testing. Most of your time will be spent on advanced testing and large-scale engagements that give you the opportunity to collaborate with wider technologists. (engineers, developers and blue teamers) They … but that’s not where they phish. If you thrive on bringing ideas to life, creating bespoke tools and adding true value to your clients, then this is the penetration testing team for you. This is a home based position with very very very limited travel & public sector work. Full right to work in the UK is required More ❯

in the UK, offering the opportunity to work across a diverse range of client environments from enterprise networks to public sector systems. Youll be responsible for delivering hands-on penetration testing engagements, identifying vulnerabilities through systematic and innovative testing, and translating technical findings into meaningful business insights. The role offers strong progression opportunities, access to industry-recognised … All services are designed, implemented, and supported by in-house specialists using a privately owned, state-of-the-art national infrastructure. What Youll Be Doing: Conduct end-to-end penetration testing across infrastructure, web applications, and internal networks Lead or support security testing engagements and deliver concise, high-quality reports Translate technical findings into clear business impact … vulnerabilities, exploits, and industry best practices Contribute to internal development of tools, research, and process improvement initiatives What Were Looking For: 12 years of hands-on experience in manual penetration testing (infrastructure and/or web applications) Strong understanding of TCP/IP, networking concepts, and web application architecture Familiarity with tools such as Burp Suite, Nmap, Metasploit More ❯

the UK, offering the opportunity to work across a diverse range of client environments — from enterprise networks to public sector systems. You’ll be responsible for delivering hands-on penetration testing engagements, identifying vulnerabilities through systematic and innovative testing, and translating technical findings into meaningful business insights. The role offers strong progression opportunities, access to industry-recognised … services are designed, implemented, and supported by in-house specialists using a privately owned, state-of-the-art national infrastructure. What You’ll Be Doing: Conduct end-to-end penetration testing across infrastructure, web applications, and internal networks Lead or support security testing engagements and deliver concise, high-quality reports Translate technical findings into clear business impact … and industry best practices Contribute to internal development of tools, research, and process improvement initiatives What We’re Looking For: 1–2 years of hands-on experience in manual penetration testing (infrastructure and/or web applications) Strong understanding of TCP/IP, networking concepts, and web application architecture Familiarity with tools such as Burp Suite, Nmap, Metasploit More ❯

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 due to the amount of requirements they have … 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 ❯

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 due to the amount of requirements they have … 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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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. 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 ❯

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 ❯