Manchester, North West, United Kingdom Hybrid / WFH Options
Circle Group
PenetrationTester (OSCP Certified) - Up to £45,000 DOE Location: UK fully remote Salary: Up to £45,000 per annum, dependent on experience Employment Type: Full-Time, Permanent Eligibility: UK Residents only (UK Passport or Indefinite Leave to Remain required) - Unfortunately, PSW Visas cannot be considered. A very exciting growth role for the right person! I'm an … experinced cyber recruiter (of 20 yrs+) ready to talk to qualified individuals. We are currently seeking an enthusiastic and technically capable PenetrationTester with at least 6 months of hands-on penetration testing experience and a strong interest in developing advanced technical skills. This is a rare opportunity to join a highly skilled and diverse security team … committed to continuous growth and excellence in the field of offensive security. Key Responsibilities: Conduct hands-on Web Application Penetration Testing Support and contribute to Infrastructure and Cloud Security Assessments Be mentored and trained towards Adversarial Simulation , Red Team Operations , and other advanced offensive security techniques Write detailed, clear, and professional reports for technical and non-technical stakeholders Collaborate More ❯
PenetrationTester - Remote About the Role Lorien are seeking a talented and motivated PenetrationTester to join our clients growing cybersecurity team on a fully remote basis (mainland UK only). You will be responsible for conducting ethical hacking and security testing engagements to identify vulnerabilities in client systems, applications, and infrastructure. This is an exciting … opportunity to work across a range of industries while further developing your skills in a supportive and professional environment. Key Responsibilities Plan and perform penetration tests on networks, web applications, APIs, cloud environments, and other systems. Deliver clear, actionable technical and executive reports to clients. Collaborate with internal teams to ensure quality and compliance with best practices. Stay up … CCTIM Certified Must be currently residing in mainland UK . Eligible for UK security clearance (must have been a UK resident for at least 5 years). Experience conducting penetration tests (web, infrastructure, external/internal). Strong knowledge of security testing methodologies and frameworks (e.g., OWASP, NIST). Proficiency with industry-standard tools (e.g., Burp Suite, Nmap, Metasploit More ❯
London, England, United Kingdom Hybrid / WFH Options
Lorien
PenetrationTester - Remote About the Role Lorien are seeking a talented and motivated PenetrationTester to join our clients growing cybersecurity team on a fully remote basis (mainland UK only). You will be responsible for conducting ethical hacking and security testing engagements to identify vulnerabilities in client systems, applications, and infrastructure. This is an exciting … opportunity to work across a range of industries while further developing your skills in a supportive and professional environment. Key Responsibilities Plan and perform penetration tests on networks, web applications, APIs, cloud environments, and other systems. Deliver clear, actionable technical and executive reports to clients. Collaborate with internal teams to ensure quality and compliance with best practices. Stay up … CCTIM Certified Must be currently residing in mainland UK . Eligible for UK security clearance (must have been a UK resident for at least 5 years). Experience conducting penetration tests (web, infrastructure, external/internal). Strong knowledge of security testing methodologies and frameworks (e.g., OWASP, NIST). Proficiency with industry-standard tools (e.g., Burp Suite, Nmap, Metasploit More ❯
Milton Keynes, Buckinghamshire, South East, United Kingdom Hybrid / WFH Options
Circle Group
PenetrationTester (OSCP Certified) - Up to £45,000 DOE Location: UK fully remote Salary: Up to £45,000 per annum, dependent on experience Employment Type: Full-Time, Permanent Eligibility: UK Residents only (UK Passport or Indefinite Leave to Remain required) - Unfortunately, PSW Visas cannot be considered. A very exciting growth role for the right person! I'm an … experinced cyber recruiter (of 20 yrs+) ready to talk to qualified individuals. We are currently seeking an enthusiastic and technically capable PenetrationTester with at least 6 months of hands-on penetration testing experience and a strong interest in developing advanced technical skills. This is a rare opportunity to join a highly skilled and diverse security team … committed to continuous growth and excellence in the field of offensive security. Key Responsibilities: Conduct hands-on Web Application Penetration Testing Support and contribute to Infrastructure and Cloud Security Assessments Be mentored and trained towards Adversarial Simulation , Red Team Operations , and other advanced offensive security techniques Write detailed, clear, and professional reports for technical and non-technical stakeholders Collaborate More ❯
Reading, England, United Kingdom Hybrid / WFH Options
THAMES WATER UTILITIES LIMITED
As a Senior Security PenetrationTester , you will be responsible for supporting the design, implementation, and maintenance of TVM (Threat & Vulnerability Management) solutions, controls and processes across the organisation. You will be liaising with Digital teams to ensure appropriate mitigation and remediation of vulnerabilities detected across our IT estate. This role requires an understanding of TVM concepts, technologies … will possess strong communication skills and will be committed to ensuring the highest level of security, compliance, and user experience. What you'll be doing as a Senior Security PenetrationTester Help support and develop an internal penetration testing function. Conduct network, application penetration testing, code and security reviews. Identify and exploit vulnerabilities through proof-of … implemented and maintained. Responsible for supporting the creation of the operating model for vulnerability management, that it is shared, agreed and operates effectively across the business. Develop and maintain penetration testing documentation, policies, and procedures. Integrate cybersecurity solutions (e.g. vulnerability scanning tools) with existing systems, applications, and infrastructure. Evaluate and recommend technologies, tools, and vendors to meet business needs. More ❯
Fort Belvoir, Virginia, United States Hybrid / WFH Options
Gridiron IT Solutions
PenetrationTester Location: Fort Belvoir Work Type: Onsite Remote Work: No Job Description Are you looking for an opportunity to use your technical expertise and grow your skills to provide technical solutions in support of our warfighters? We're looking for a Red Team PenetrationTester to help test, configure, and maintain military critical operating systems. … As a Red Team PenetrationTester on our project, you'll work with other technical experts to help our customer overcome tough challenges and help improve the readiness of military units to perform their roles. Your communication skills will come in handy as you share your experience and work as a vital member of a team to solve … Information Technology, or Bachelor's degree and 3+ years of experience in Information Technology Linux Computing Environment (CE) Certification Windows CE Certification Offensive Security Certified Professional (OSCP) or GIAC PenetrationTester (GPEN) Certification DoD Approved 8570 Information Assurance Technician (IAT) Level III Certification, including CASP+ CE, CCNP Security, CISA, CISSP, GCED, GCIH, or CCSP Certification Additional Qualifications Experience More ❯
Edinburgh, Scotland, United Kingdom Hybrid / WFH Options
Phoenix
Job Description We have an incredible opportunity to join us here at Phoenix Group as a Senior PenetrationTester to join our Threat Led Pen-Testing Team within our Information Security Department. Job Type: Permanent Location: This role could be based in either our Telford or Edinburgh Office, with hybrid working, Flexible working: All of our roles are … that is tackling key issues such as transitioning our portfolio to net zero by 2050, and we’re not done yet. The role We are looking for a Senior PenetrationTester within our Threat led Pen-Testing team. In this role you will be conducting regular penetration tests ranging from web applications to infrastructure testing and purple … teaming. You Will Also As a senior, lead penetration tests from scoping, through to delivery, reporting and debriefing. Contribute to Quality Assurance of internally issued pen test reports. Collaborate with the Defensive (Blue) team when conducting Purple Team exercises Maintain knowledge of Cyber Security Threat Landscape, Attacks & Adversary TTPs What are we looking for? Essential At least 2 years More ❯
London, England, United Kingdom Hybrid / WFH Options
RSM UK
Consultant – Cyber Security (PenetrationTester) RSM UK Greater London, England, United Kingdom Join or sign in to find your next job Join to apply for the Consultant – Cyber Security (PenetrationTester) role at RSM UK Consultant – Cyber Security (PenetrationTester) RSM UK Greater London, England, United Kingdom 2 weeks ago Be among the first … applicants Join to apply for the Consultant – Cyber Security (PenetrationTester) role at RSM UK Get AI-powered advice on this job and more exclusive features. Direct message the job poster from RSM UK Talent Acquisition Senior Specialist - Consulting As one of the world's largest networks of audit, tax and consulting firms, RSM delivers big ideas and … an enthusiastic Cyber Security Consultant to join our team. Working alongside our experienced team of specialists, you’ll be delivering offensive security services including digital footprint reconnaissance, social engineering, penetration testing and vulnerability assessments and more to high profile clients across all industries. The purpose of this role is to deliver our offensive security services including digital footprint reconnaissance More ❯
Belfast, County Antrim, Northern Ireland, United Kingdom Hybrid / WFH Options
Get Staffed Online Recruitment
Cyber Security - PenetrationTester Location: Belfast Hybrid (2 days in office/client site as required) Type: Full-time | Flexible working hours | Hybrid Our client is a long established and independent cyber security firm based in Belfast. As the premier NCSC-approved supplier for CHECK Penetration Testing in Northern Ireland, including Cyber Incident Exercising being conducted at … continue to grow, having recently secured several high-impact, multi-year contracts across Northern Ireland, they're strengthening their technical team to meet demand. They are looking for experienced Penetration Testers who are passionate about cyber security, thrive on technical challenges, and want to be part of a trusted and growing consultancy. What You'll Be Doing: Conducting penetration … technical debriefs. Staying ahead of evolving threats, techniques and industry standards. Supporting the continuous development of internal tools, methodologies and capability. What They're Looking For: Demonstrable experience in penetration testing (2+ years). CTL or CTM status, or equivalent. All CHECK Team Leaders (CTL) must hold a UK CSC Professional Title at Principal level or above. Solid knowledge More ❯
Why join Dionach by Nomios? Since being acquired by Nomios in late 2024, Dionach by Nomios has continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced team, build your skills, and grow professionally. Dionach by Nomios holds impressive certifications … environment for all our employees. If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead penetration testing teams to conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Lead on-site customer engagements. Lead on developing and providing training … equivalent level. Experience : At least 5 years leading network, web, and internal penetrations tests as well as experience in leading customer engagements onsite. Leadership : Experience of supervising and mentoring penetration test teams. Training Experience : Ownership and leadership on developing and providing training courses. Tools : Proficiency with tools like Burpsuite Pro, Nessus, and other industry standards. Communication : Strong verbal and More ❯
London, England, United Kingdom Hybrid / WFH Options
Nomios
Why join Dionach by Nomios? Since being acquired by Nomios in late 2024, Dionach by Nomios has continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced team, build your skills, and grow professionally. Dionach by Nomios holds impressive certifications … environment for all our employees. If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead penetration testing teams to conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Lead on-site customer engagements. Lead on developing and providing training … equivalent level. Experience : At least 5 years leading network, web, and internal penetrations tests as well as experience in leading customer engagements onsite. Leadership : Experience of supervising and mentoring penetration test teams. Training Experience : Ownership and leadership on developing and providing training courses. Tools : Proficiency with tools like Burpsuite Pro, Nessus, and other industry standards. Communication : Strong verbal and More ❯
Senior PenetrationTester – (UK only - Must be eligible for Security Clearance) Location: UK (Leeds, Bristol, London or Remote) Salary - £45k - £60k Step up your game in cybersecurity. We’re looking for an experienced Senior PenetrationTester who thrives on pushing boundaries, thinks like an attacker, and delivers like a pro. You’ll be joining a tight … knit team of passionate ethical hackers tackling high-impact, real-world cyber threats across both government and commercial landscapes. What You’ll Be Doing: Lead and deliver hands-on penetration tests Mentor junior testers and review technical outputs Collaborate with clients and provide expert guidance Feed into proposals and help shape strategic direction Continuously grow your technical and consulting … skills What You’ll Need: ✔ NCSC CHECK Team Member status ✔ Solid UK penetration testing experience (ideally across varied environments) ✔ Technical depth in networks, systems, and application testing ✔ Strong communication and reporting skills ✔ A hacker mindset and the drive to stay ahead of evolving threats ✔ Clear and demonstrable understanding of penetration testing and red-teaming including NCSC and CREST More ❯
London, England, United Kingdom Hybrid / WFH Options
LT Harper - Cyber Security Recruitment
Senior PenetrationTester – (UK only - Must be eligible for Security Clearance) Location: UK (Leeds, Bristol, London or Remote) Salary - £45k - £60k Step up your game in cybersecurity. We’re looking for an experienced Senior PenetrationTester who thrives on pushing boundaries, thinks like an attacker, and delivers like a pro. You’ll be joining a tight … knit team of passionate ethical hackers tackling high-impact, real-world cyber threats across both government and commercial landscapes. What You’ll Be Doing: Lead and deliver hands-on penetration tests Mentor junior testers and review technical outputs Collaborate with clients and provide expert guidance Feed into proposals and help shape strategic direction Continuously grow your technical and consulting … skills What You’ll Need: ✔ NCSC CHECK Team Member status ✔ Solid UK penetration testing experience (ideally across varied environments) ✔ Technical depth in networks, systems, and application testing ✔ Strong communication and reporting skills ✔ A hacker mindset and the drive to stay ahead of evolving threats ✔ Clear and demonstrable understanding of penetration testing and red-teaming including NCSC and CREST More ❯
London, England, United Kingdom Hybrid / WFH Options
Anson McCade
Role: PenetrationTester (Infrastructure Focus) ️ Work Type & Location: Hybrid – London preferred (other UK cities possible) ️ Role Type: Permanent Salary: £70,000–£105,000 (London) depending on experience Other regional packages available for Cambridge, Manchester, Bristol, or Edinburgh Our client – a global innovation consultancy – is expanding its Digital & Data capability and is on the lookout for an experienced PenetrationTester (Infrastructure Focus) to join a high-trust, hands-on team. This role is all about deep technical work inside live infrastructure environments – think Active Directory, internal networks, and sensitive systems where precision matters. If you’re the kind of tester who thrives in complex, undocumented environments and enjoys real-world impact over checkbox testing, this is … the challenge for you. As a PenetrationTester (Infrastructure Focus), you will: Deliver internal infrastructure tests in high-risk, high-impact environments Focus on Active Directory, lateral movement, and privilege escalation techniques Communicate directly with clients to present findings and advise on remediation Produce clear, actionable reports for both technical and non-technical stakeholders Contribute to improving internal More ❯
Role: PenetrationTester (Infrastructure Focus) 🛡️ Work Type & Location: Hybrid – London preferred (other UK cities possible) 🏙️ Role Type: Permanent 💼 Salary: £70,000–£105,000 (London) depending on experience 💰 Other regional packages available for Cambridge, Manchester, Bristol, or Edinburgh Our client – a global innovation consultancy – is expanding its Digital & Data capability and is on the lookout for an experienced PenetrationTester (Infrastructure Focus) to join a high-trust, hands-on team. This role is all about deep technical work inside live infrastructure environments – think Active Directory, internal networks, and sensitive systems where precision matters. If you’re the kind of tester who thrives in complex, undocumented environments and enjoys real-world impact over checkbox testing, this is … the challenge for you. 🔍 As a PenetrationTester (Infrastructure Focus), you will: Deliver internal infrastructure tests in high-risk, high-impact environments Focus on Active Directory, lateral movement, and privilege escalation techniques Communicate directly with clients to present findings and advise on remediation Produce clear, actionable reports for both technical and non-technical stakeholders Contribute to improving internal More ❯
Salisbury, Wiltshire, South West, United Kingdom Hybrid / WFH Options
Anson Mccade
PenetrationTester £up to £100,000 GBP Bonus Hybrid WORKING Location: United Kingdom (Greater London) Type: Permanent Role: PenetrationTester (Infrastructure Focus) Work Type & Location: Hybrid - London preferred (other UK locations considered) Role Type: Permanent Start Date: Immediate Anson McCade is proud to be supporting a global innovation and transformation consultancy in growing their elite Digital … Data team. We're seeking a PenetrationTester with a deep focus on infrastructure and Active Directory environments. This isn't your typical web app testing role-this is hands-on, internal infrastructure testing in high-stakes client environments (defence, critical infrastructure, national security). This is a high-trust, high-impact role for someone confident in navigating … sensitive networks, with the ability to think independently, consult directly with clients, and deliver clear, actionable insights. As a PenetrationTester, you will: • Deliver internal infrastructure penetration tests, including Active Directory environments • Act as a trusted advisor to clients-this is a hands-on consulting-facing role • Document clear, concise technical reports for both technical and non More ❯
swindon, wiltshire, south west england, united kingdom Hybrid / WFH Options
Anson Mccade
PenetrationTester £up to £100,000 GBP Bonus Hybrid WORKING Location: United Kingdom (Greater London) Type: Permanent Role: PenetrationTester (Infrastructure Focus) Work Type & Location: Hybrid - London preferred (other UK locations considered) Role Type: Permanent Start Date: Immediate Anson McCade is proud to be supporting a global innovation and transformation consultancy in growing their elite Digital … Data team. We're seeking a PenetrationTester with a deep focus on infrastructure and Active Directory environments. This isn't your typical web app testing role-this is hands-on, internal infrastructure testing in high-stakes client environments (defence, critical infrastructure, national security). This is a high-trust, high-impact role for someone confident in navigating … sensitive networks, with the ability to think independently, consult directly with clients, and deliver clear, actionable insights. As a PenetrationTester, you will: • Deliver internal infrastructure penetration tests, including Active Directory environments • Act as a trusted advisor to clients-this is a hands-on consulting-facing role • Document clear, concise technical reports for both technical and non More ❯
London, England, United Kingdom Hybrid / WFH Options
Eames Consulting
Cyber Security At Eames Consulting Location: Fully Remote Contract: Initial 2-month contract, with potential for extension Job Overview: We are looking for a highly skilled and experienced IT PenetrationTester to join our team on an initial 2-month contract basis. As a Pen Tester, you will be responsible for performing security assessments across a wide … helping to improve our client’s security posture. The role is fully remote and offers a competitive rate of £450 per day outside of IR35. Key Responsibilities: Conduct comprehensive penetration testing on a wide variety of systems, applications, and networks (both internal and external IP addresses). Perform manual and automated testing, identifying security flaws, vulnerabilities, and weaknesses. Provide … in-depth analysis of findings and offer recommendations to mitigate risks. Write clear, concise, and professional penetration testing reports that are understandable to both technical and non-technical stakeholders. Work with internal teams and clients to communicate vulnerabilities, testing results, and remediation plans. Ensure compliance with industry best practices and frameworks for penetration testing. Maintain up-to-date More ❯
London, England, United Kingdom Hybrid / WFH Options
Anson McCade
Mission-critical work The Opportunity Join a high-impact consultancy at the forefront of innovation and digital transformation. You’ll be part of a specialist team delivering critical infrastructure penetration tests across some of the most sensitive environments in the UK — from defence and national security to critical infrastructure and operational technology. This is not a web application role … . We’re looking for an infrastructure-focused penetrationtester with the technical confidence and consultancy mindset to work independently, lead engagements, and deliver real-world impact. If you want to push beyond checklists and automated scans and into deep, hands-on testing — this is the place to do it. What You’ll Be Doing Deliver end-to … methodologies, and continuous improvement of team capability Engage with a technical and non-technical audience, acting as a trusted security advisor What You Bring Core Skills: 4+ years of penetration testing experience (infrastructure/internal focus) Strong hands-on expertise with Active Directory attacks, lateral movement, and privilege escalation Experience navigating live and legacy production systems Comfortable in Windows 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 ❯
London, England, United Kingdom Hybrid / WFH Options
CGI
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 ❯
Manchester, England, United Kingdom Hybrid / WFH Options
RSM UK
Consultant – Cyber Security (PenetrationTester) RSM UK Manchester, England, United Kingdom Join or sign in to find your next job Join to apply for the Consultant – Cyber Security (PenetrationTester) role at RSM UK Consultant – Cyber Security (PenetrationTester) RSM UK Manchester, England, United Kingdom 2 weeks ago Be among the first 25 applicants … Join to apply for the Consultant – Cyber Security (PenetrationTester) role at RSM UK Get AI-powered advice on this job and more exclusive features. Direct message the job poster from RSM UK Talent Acquisition Senior Specialist - Consulting As one of the world's largest networks of audit, tax and consulting firms, RSM delivers big ideas and premium … an enthusiastic Cyber Security Consultant to join our team. Working alongside our experienced team of specialists, you’ll be delivering offensive security services including digital footprint reconnaissance, social engineering, penetration testing and vulnerability assessments and more to high profile clients across all industries. The purpose of this role is to deliver our offensive security services including digital footprint reconnaissance More ❯
Leeds, England, United Kingdom Hybrid / WFH Options
Cognisys
Salary: up to £80K (DOE) Are you ready to make an impact in the fast-paced world of cybersecurity? Cognisys is growing rapidly, and we’re looking for a PenetrationTester (Principal Consultant) to join our team during this exciting period of innovation and expansion. Cognisys is a leading cybersecurity company specialising in Penetration Testing, GRC Consulting … to excellence. Our small but mighty team works with some of the best-known companies in the world and covers over 30 countries worldwide! About The Role As a PenetrationTester (Principal Consultant), you will be key in driving commercial success, managing high-performing teams, and delivering cutting-edge offensive security projects. This role is ideal for a … at industry events and conferences, demonstrating thought leadership and engaging with the cybersecurity community. Technical Leadership & Delivery Plan, execute, and oversee advanced Red Team Assessments, cloud security assessments, and penetration testing engagements. Simulate real-world attack scenarios to identify vulnerabilities across networks, cloud environments, applications, and infrastructure. Lead the development and execution of multi-stage attack simulations, leveraging advanced More ❯
Milton Keynes, Buckinghamshire, United Kingdom Hybrid / WFH Options
RSM
an enthusiastic Cyber Security Consultant to join our team. Working alongside our experienced team of specialists, you'll be delivering offensive security services including digital footprint reconnaissance, social engineering, penetration testing and vulnerability assessments to high profile clients across all industries. The purpose of this role is to deliver our offensive security services including digital footprint reconnaissance, social engineering … vulnerability assessments, penetration testing, threat modelling, cyber-attack simulation exercises, and more to high profile clients across all industries. You'll benefit from ongoing coaching, career mentoring, and be supported by our career pathway. You will have an opportunity to continue to develop market leading skills across our different capabilities and advance your professional development. You will make an … improvements, this role is perfect for you! We value diverse experiences and perspectives. Here's what we're looking for in our ideal candidate: Experience in offensive security and penetration testing. Demonstrable experience in infrastructure and web application testing; experience in API testing is desirable. Demonstrable experience using common pentesting tools including Kali Linux, Burpsuite, Nessus and other industry More ❯
City of London, England, United Kingdom Hybrid / WFH Options
Anson McCade
PenetrationTester – Infrastructure Salary: £70,000–£100,000 (depending on experience) Location: Hybrid – London (2 days per week on-site) Note: To be eligible for this role, you must be eligible for UK Security Clearance (SC). A high-performing digital security team is looking for an experienced Infrastructure PenetrationTester to join them in delivering … is suited to testers who thrive in technically demanding scenarios, want autonomy, and are motivated by work with real-world impact. Key Responsibilities Conduct internal infrastructure and Active Directory penetration tests in live production environments Produce clear, concise reports tailored to both technical and non-technical audiences Build trusted relationships with clients in a consultancy-facing capacity Work within … the evolution of internal tooling and testing methodologies Operate effectively in environments with limited documentation or predefined processes Essential Experience and Skills At least 4 years’ experience in infrastructure penetration testing Strong knowledge of Active Directory exploitation techniques (privilege escalation, lateral movement, etc.) Confident working in high-stakes, sensitive environments Strong command-line skills across Windows and Linux systems More ❯