1 to 25 of 26 Remote Penetration Tester Jobs

Penetration Tester – Cyber Security Contract until December 2025 (extension likely) Hybrid working, 50/50 split between home and site in Berkshire Active SC clearance required ABOUT THE CLIENT: Our client is a leading organisation within the cyber and defence technology sector, delivering secure digital solutions to UK government and critical national infrastructure programmes. They are expanding their … cyber capability and are seeking an experienced Penetration Tester to join the team on a long-term contract, supporting a range of high-impact security projects. THE PENETRATION TESTER ROLE: As a Penetration Tester, you will perform manual and automated testing across web applications, networks, APIs, and mobile platforms. You’ll identify and document … vulnerabilities, support red team operations, and collaborate with development and infrastructure teams to ensure effective remediation and security improvements. Key responsibilities include: Conducting penetration tests and vulnerability assessments across multiple environments Performing red team and threat simulation exercises Producing detailed reports outlining findings, risks, and mitigation strategies Staying current with emerging attack vectors, tools, and exploits Contributing to internal More ❯

Penetration Tester – Cyber Security Contract until December 2025 (extension likely) Hybrid working, 50/50 split between home and site in Berkshire Active SC clearance required ABOUT THE CLIENT: Our client is a leading organisation within the cyber and defence technology sector, delivering secure digital solutions to UK government and critical national infrastructure programmes. They are expanding their … cyber capability and are seeking an experienced Penetration Tester to join the team on a long-term contract, supporting a range of high-impact security projects. THE PENETRATION TESTER ROLE: As a Penetration Tester, you will perform manual and automated testing across web applications, networks, APIs, and mobile platforms. You’ll identify and document … vulnerabilities, support red team operations, and collaborate with development and infrastructure teams to ensure effective remediation and security improvements. Key responsibilities include: Conducting penetration tests and vulnerability assessments across multiple environments Performing red team and threat simulation exercises Producing detailed reports outlining findings, risks, and mitigation strategies Staying current with emerging attack vectors, tools, and exploits Contributing to internal More ❯

Senior Penetration Tester Location: Fully Remote (UK-Based) Salary Range: £50,000 - £75,000 (dependent on experience) Position: Permanent, Full-Time My client is a dynamic and growing cybersecurity consultancy dedicated to providing top-tier security services to a diverse range of clients. They believe in empowering the team with the flexibility of remote work while tackling challenging … and engaging projects that make a real difference to their clients' security posture. The Role We are seeking a highly skilled and motivated Senior Penetration Tester to join our remote team. You will be responsible for leading and executing complex penetration tests against a variety of systems, networks, and applications. The ideal candidate is not just a … proficient tester but a critical thinker who can articulate risks clearly and provide pragmatic remediation advice to clients. Key Responsibilities Plan, lead, and execute sophisticated penetration tests across infrastructure, web applications, APIs, and internal networks. Conduct advanced Red Team exercises to simulate real-world adversary attacks and test organisational defences. Produce high-quality, clear, and concise reports for 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 operating … 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 across major 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 operating … 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 across major More ❯

Penetration Tester (SC Cleared) Location: Wokingham - Hybrid working (50/50 split) Contract Duration: Until 26/12/2025 initially - with a view to extend Daily Rate: £525/day Inside IR35 - Candidates will need to work through an Umbrella Company Clearance Required: Active SC Clearance We are looking for an experienced Penetration Tester to … team. This role offers the opportunity to work on a hybrid basis, engaging in high-impact security assessments across various platforms and environments. Key Responsibilities: Conduct manual and automated penetration tests on web applications, networks, APIs, and mobile platforms Identify, exploit, and document vulnerabilities, delivering detailed risk assessments Design and execute red team exercises and threat simulations Work closely … on emerging threats, tools, and techniques Support internal security awareness training and initiatives Contribute to the development of security policies and best practices Required Skills & Experience: Strong background in penetration testing, ethical hacking, or red teaming Deep knowledge of OWASP Top 10, MITRE ATT&CK, and CVSS scoring systems Proficiency with tools such as Burp Suite, Metasploit, Nmap, Wireshark More ❯

Penetration Tester Remote (occasional travel to Gloucestershire) £50,000 – £65,000 + Bonus (post-DV clearance) Are you a skilled Penetration Tester looking to take the next step in your career, working with some of the UK’s most high-profile and security-sensitive clients? We’re partnered with a specialist consultancy seeking an experienced Pen … Tester to join their growing security team. This role will see you working on a range of challenging projects that truly make an impact, with the flexibility of working remotely and only occasional travel to the Gloucestershire office. What you’ll need: CTM or CSTM certification (preferred, but willing to work towards). Strong background in penetration testing … office visits. Opportunity to work on high-profile security projects with leading organisations. Career development within a supportive, specialist security team. This is an excellent opportunity for a Pen Tester to work at the forefront of cyber security, in a role where your expertise will make a real difference. 📩 Apply now to register your interest or contact us directly More ❯

Job Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We’re looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You’ll conduct network, web, and application security testing for a range … of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing techniques. Requirements UK National (security clearance eligibility required). 1–3 years’ experience in penetration testing 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. … 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. Delivering fieldwork More ❯

Dark Wolf Solutions is actively seeking an experienced Product and Hardware Security Penetration Tester to join our innovative team. This individual will play a critical role in assessing and enhancing the security of various products, including hardware, software, and embedded systems. This role demands a deep understanding of penetration testing methodologies and advanced exploit development, focusing on … identifying and mitigating vulnerabilities across a wide range of technologies. As a Senior Product and Hardware Security Penetration Tester, you will have the chance to work on cutting-edge technologies and contribute to the enhancement of security across a wide range of products. If you possess a strong background in penetration testing and a passion for cybersecurity … position is set to be supported in a hybrid work environment out of Colorado Springs, CO. Key responsibilities include, but are not limited to: Duties/Responsibilities: Conducting comprehensive penetration testing on hardware, software, and network components. Performing advanced vulnerability scanning and assessments on all components. Performing a Cybersecurity evaluation of the product under test to identify vulnerabilities that More ❯

Senior Penetration Tester Location: Fully Remote (UK-Based) Salary Range: £50,000 - £75,000 (dependent on experience) Position: Permanent, Full-Time My client is a dynamic and growing cybersecurity consultancy dedicated to providing top-tier security services to a diverse range of clients click apply for full job details More ❯

Task Force Talent is seeking a Penetration Tester with an active TS/SCI FSP security clearance. Target salary range is 100k - 210k, depending on experience level. Our client for this role is a small company with very unique experience and expertise in cybersecurity and related areas. Candidates should have a background or experience in a technical area … U.S. citizen with active TS/SCI FSP security clearance. (Sorry, we are unable to sponsor or upgrade clearance s for this role.) Experience with: Grey and black box penetration testing and system exploitation against desktops, servers, applications, operating systems, and security systems to gain root and administrator access Performing reconnaissance, privilege escalation persistence, lateral movement, and payload generation More ❯

Job Title: Penetration Tester Location: Leeds (Hybrid; 4 days in office) Job Type: Contract (Inside IR35) Duration: 6 Months Job Summary: Join Tata Consultancy Services (TCS) as a Pen Tester and play a critical role in safeguarding some of the largest and most innovative clients in the UK and worldwide. You'll be part of a purpose … led transformation company, making a meaningful impact through challenging projects that demand ambitious innovation and thought leadership. Key Responsibilities: Lead client engagements from kickoff through to scoping, penetration testing, and reporting, ensuring delivery within agreed scope and deadlines. Perform comprehensive penetration testing across networks, web applications, APIs, cloud security, thick client applications, wireless, social engineering, and physical environments. … Execute red team assessments to highlight gaps impacting organizational security postures. Identify and exploit security vulnerabilities in a wide array of systems and scenarios. Conduct in-depth analysis of penetration testing results and create detailed reports with findings, exploitation procedures, risks, and actionable recommendations. Communicate complex technical security concepts to both technical and non-technical audiences, including executive stakeholders. More ❯

range of areas including Risk Assessments, Vulnerability Management, Accreditations (ISO27001, GDPR), GRC (Governance, Risk, Compliance), Security Architecture Design and Build (technical and Non-technical), Incident Response, Protective Monitoring Services, Penetration Testing and much more. We take clients through a journey to improve their overall security posture and maturity to ensure they feel reassured in the Security control, measures and … go. Our roles are only available if you hold or fulfil the criteria to obtain a UK Security Clearance. Your future duties and responsibilities An opportunity for an experienced penetration testers has become available due to growth, joining the CGI Cyber Security business unit, one of the largest groups of cyber security specialists in the UK. CGI has a … years. Experience of the assessment of bespoke applications, cloud technologies and mobile applications (on diverse mobile platforms) would be of an advantage. You would join our established team of penetration testers with the possibility of progressing to team leader or principal tester positions. You would be able to work flexibly, undertaking work at home and at client sites More ❯

range of areas including Risk Assessments, Vulnerability Management, Accreditations (ISO27001, GDPR), GRC (Governance, Risk, Compliance), Security Architecture Design and Build (technical and Non-technical), Incident Response, Protective Monitoring Services, Penetration Testing and much more. We take clients through a journey to improve their overall security posture and maturity to ensure they feel reassured in the Security control, measures and … go. Our roles are only available if you hold or fulfil the criteria to obtain a UK Security Clearance. Your future duties and responsibilities An opportunity for an experienced penetration testers has become available due to growth, joining the CGI Cyber Security business unit, one of the largest groups of cyber security specialists in the UK. CGI has a … years. Experience of the assessment of bespoke applications, cloud technologies and mobile applications (on diverse mobile platforms) would be of an advantage. You would join our established team of penetration testers with the possibility of progressing to team leader or principal tester positions. You would be able to work flexibly, undertaking work at home and at client sites More ❯

range of areas including Risk Assessments, Vulnerability Management, Accreditations (ISO27001, GDPR), GRC (Governance, Risk, Compliance), Security Architecture Design and Build (technical and Non-technical), Incident Response, Protective Monitoring Services, Penetration Testing and much more. We take clients through a journey to improve their overall security posture and maturity to ensure they feel reassured in the Security control, measures and … go. Our roles are only available if you hold or fulfil the criteria to obtain a UK Security Clearance. Your future duties and responsibilities An opportunity for an experienced penetration testers has become available due to growth, joining the CGI Cyber Security business unit, one of the largest groups of cyber security specialists in the UK. CGI has a … years. Experience of the assessment of bespoke applications, cloud technologies and mobile applications (on diverse mobile platforms) would be of an advantage. You would join our established team of penetration testers with the possibility of progressing to team leader or principal tester positions. You would be able to work flexibly, undertaking work at home and at client sites More ❯

We are currently recruiting for a growing team of Penetration Testers with offensive cyber security and red teaming experience . Ideal candidates will have at least 2 years’ experience in offensive pen testing roles. REQUIRED – 5 years living in the UK for security checks The role is remote/hybrid and includes travel to client’s locations performing comprehensive … advanced pen testing including: Conduct thorough penetration tests to identify vulnerabilities in systems, networks and applications Develop and execute exploit scenarios to simulate real-world cyber attacks Provide detailed reports Collaborate with cross functional teams to implement security best practices Stay up to date on the latest security trends , tools, techniques to enhance testing methodologies and procedures. Other responsibilities More ❯

We are currently recruiting for a growing team of Penetration Testers with offensive cyber security and red teaming experience . Ideal candidates will have at least 2 years’ experience in offensive pen testing roles. REQUIRED – 5 years living in the UK for security checks The role is remote/hybrid and includes travel to client’s locations performing comprehensive … advanced pen testing including: Conduct thorough penetration tests to identify vulnerabilities in systems, networks and applications Develop and execute exploit scenarios to simulate real-world cyber attacks Provide detailed reports Collaborate with cross functional teams to implement security best practices Stay up to date on the latest security trends , tools, techniques to enhance testing methodologies and procedures. Other responsibilities More ❯

We are currently recruiting for a growing team of Penetration Testers with offensive cyber security and red teaming experience . Ideal candidates will have at least 2 years’ experience in offensive pen testing roles. REQUIRED – 5 years living in the UK for security checks The role is remote/hybrid and includes travel to client’s locations performing comprehensive … advanced pen testing including: Conduct thorough penetration tests to identify vulnerabilities in systems, networks and applications Develop and execute exploit scenarios to simulate real-world cyber attacks Provide detailed reports Collaborate with cross functional teams to implement security best practices Stay up to date on the latest security trends , tools, techniques to enhance testing methodologies and procedures. Other responsibilities More ❯

We are currently recruiting for a growing team of Penetration Testers with offensive cyber security and red teaming experience . Ideal candidates will have at least 2 years’ experience in offensive pen testing roles. REQUIRED – 5 years living in the UK for security checks The role is remote/hybrid and includes travel to client’s locations performing comprehensive … advanced pen testing including: Conduct thorough penetration tests to identify vulnerabilities in systems, networks and applications Develop and execute exploit scenarios to simulate real-world cyber attacks Provide detailed reports Collaborate with cross functional teams to implement security best practices Stay up to date on the latest security trends , tools, techniques to enhance testing methodologies and procedures. Other responsibilities More ❯

Role/Job title Pen Tester Work Location TCS-Reading Role type - Permanent/Fixed Term/Contracting Contract Mode of working Hybrid/office based Hybrid If Hybrid, how many days are required in office? 3 Number of positions 1 Duration of assignment 06 Months Any other working conditions - travel/on call/shifts To be published … on job boards from below onwards The Role Were looking for Security Consultant/Senior Security Consultant with expertise in penetration testing. As part of our Cyber Security team, you shall perform penetration testing which includes internet, intranet, wireless, web application, social engineering and physical penetration testing. You shall also perform in-depth analysis of penetration … testing results and create report that describes findings, exploitation procedures, risks and recommendations. Your responsibilities: (Up to 10, Avoid repetition) Lead engagements from kickoff with clients through scoping engagements, penetration testing and reporting while adhering to the agreed scope and deadlines. Perform penetration testing which includes Network, web application, APIs Cloud Security, Thick Client application, wireless, social engineering More ❯

Role Title: Pen Tester Location: Reading (Hybrid - 3 days on-site per week) Day Rate: £425 Inside IR35 Contract Duration: 6 months The Role We are looking for a Security Consultant/Senior Security Consultant with expertise in penetration testing. You will perform penetration testing across internet, intranet, wireless, web applications, social engineering, and physical environments. In … addition, you will analyse results in-depth and produce reports detailing findings, exploitation procedures, risks, and recommendations. Key Responsibilities * Lead engagements from kickoff with clients through scoping, penetration testing, and reporting while adhering to scope and deadlines. * Perform penetration testing across network, web application, APIs, cloud security, thick client applications, wireless, social engineering, and physical security. * Execute penetration … established methodology, tools, and rules of engagement. * Conduct red team assessments to identify gaps affecting organisational security posture. * Identify and exploit security vulnerabilities across a variety of systems. * Analyse penetration testing results and produce comprehensive reports with findings, risks, and recommendations. * Communicate complex technical security concepts to both technical and non-technical audiences, including executives. * Perform technical quality reviews More ❯

Role Title: Pen Tester Location: Reading (Hybrid - 3 days on-site per week) Day Rate: £425 Inside IR35 Contract Duration: 6 months The Role We are looking for a Security Consultant/Senior Security Consultant with expertise in penetration testing. You will perform penetration testing across internet, intranet, wireless, web applications, social engineering, and physical environments. In … addition, you will analyse results in-depth and produce reports detailing findings, exploitation procedures, risks, and recommendations. Key Responsibilities * Lead engagements from kickoff with clients through scoping, penetration testing, and reporting while adhering to scope and deadlines. * Perform penetration testing across network, web application, APIs, cloud security, thick client applications, wireless, social engineering, and physical security. * Execute penetration … established methodology, tools, and rules of engagement. * Conduct red team assessments to identify gaps affecting organisational security posture. * Identify and exploit security vulnerabilities across a variety of systems. * Analyse penetration testing results and produce comprehensive reports with findings, risks, and recommendations. * Communicate complex technical security concepts to both technical and non-technical audiences, including executives. * Perform technical quality reviews More ❯

We have an urgent requirement for a Pen Tester on an initial 6 month contract working inside IR35. This is a hybrid working role and will require 3 days a week onsite in Reading. The successful candidate will perform penetration testing which includes Internet, Intranet, wireless, web application, social engineering and physical penetration testing. You shall also … perform in-depth analysis of penetration testing results and create report that describes findings, exploitation procedures, risks and recommendations. Essential Skills & Experience include: * Proficient Pen Testing Tools - Cobalt Strike, Caldera, Atomic Red team, Pentera, Nessus, Burp, OSINT etc. * Good understanding of software testing methodologies and techniques * Experience with manual and automated testing tools * Good problem-solving and debugging skills More ❯

Role Title: Pen Tester Location: Reading (Hybrid - 3 days on-site per week) Day Rate: £425 Inside IR35 Contract Duration: 6 months The Role We are looking for a Security Consultant/Senior Security Consultant with expertise in penetration testing. You will perform penetration testing across internet, intranet, wireless, web applications, social engineering, and physical environments. In More ❯