1 to 25 of 47 Permanent Penetration Tester Jobs

Penetration Tester CTM Level - Wokingham, UK Key Points Up to £470 per day, 7-month contract Hybrid model, 3 days onsite and 2 remote Seeking a Penetration Tester at CTM level with strong consultancy skills Active SC Clearance required About the Client Our client … range of technical services that help strengthen critical digital operations. With growing demand across their security programmes, they are now searching for an experienced Penetration Tester to join their established team. The Benefits Exposure to varied testing engagements Collaborative and supportive technical environment Opportunity to deliver high impact ...

Cybersecurity Penetration Tester Location: Remote (with UK-wide regular on‐site client visits; approximately 50% monthly travel for on‐site pen testing) Join a team where red teaming meets real impact - safeguarding defence platforms that shape national security! What The Role Has To Offer Safeguard UK Defence systems … through advanced penetration testing and red teaming on critical military platforms Tackle complex threat simulations and exploit development across IT, OT, cloud, and embedded environments Use cutting‐edge tools with funded training and certifications (CHECK, CREST, OSCP, GIAC) A developmental role where you’ll put your own stamp ...

Penetration Tester (OSCP) Location: Remote Position Type: Full-time Reports to: Senior Penetration Tester About the Organisation A high-growth security consultancy working across government, space programmes, and FTSE 100 organisations is expanding its offensive security function. The team delivers complex, high-impact testing and simulation … delivering cutting-edge work, this is an opportunity to develop quickly in a technically challenging environment. Role Overview We’re looking for a Penetration Tester/Red Team Consultant with 1–3 years’ experience who thrives on variety, problem-solving, and continuous learning. You’ll deliver offensive security ...

Penetration Tester (OSCP) Location: Remote Position Type: Full-time Reports to: Senior Penetration Tester About the Organisation A high-growth security consultancy working across government, space programmes, and FTSE 100 organisations is expanding its offensive security function. The team delivers complex, high-impact testing and simulation … delivering cutting-edge work, this is an opportunity to develop quickly in a technically challenging environment. Role Overview We’re looking for a Penetration Tester/Red Team Consultant with 1–3 years’ experience who thrives on variety, problem-solving, and continuous learning. You’ll deliver offensive security ...

Penetration Tester - Bristol | Full-Time | Office based with Client Travel Salary: £30,000 - £65,000pa (Depending on experience) My client is a UK-based technology and cybersecurity consultancy delivering cutting-edge solutions across sectors including telecoms, finance, defence, rail, and aerospace. With expertise in cybersecurity, software development … they work on some of the most critical and challenging projects in the UK and beyond. The Role They're looking for an experienced Penetration Tester to join their expert team in Bristol. You'll be responsible for conducting advanced penetration tests, red team exercises, and vulnerability ...

Penetration Tester – Bristol | Full-Time | Office based with Client Travel Salary: £30,000 - £65,000pa (Depending on experience) My client is a UK-based technology and cybersecurity consultancy delivering cutting-edge solutions across sectors including telecoms, finance, defence, rail, and aerospace. With expertise in cybersecurity, software development … they work on some of the most critical and challenging projects in the UK and beyond. The Role They’re looking for an experienced Penetration Tester to join their expert team in Bristol. You’ll be responsible for conducting advanced penetration tests, red team exercises, and vulnerability ...

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 ...

aspiring penetration tester looking to work with real threats, real tools, and real impact? You ll be joining a growing cyber security consultancy focused exclusively on keeping critical national infrastructure secure. You ll support a team of expert ethical hackers, helping test systems, applications, and networks for vulnerabilities … hunting within a well-established SOC. You'll develop your skills using industry-standard tools, investigate incidents, and provide actionable remediation advice. Role: Junior Penetration Tester Location: London/Hybrid Salary: £30,000 - £50,000 (DOE) Ideally, you ll have: 6+ months of proven penetration or security ...

aspiring penetration tester looking to work with real threats, real tools, and real impact? You’ll be joining a growing cyber security consultancy focused exclusively on keeping critical national infrastructure secure. You’ll support a team of expert ethical hackers, helping test systems, applications, and networks for vulnerabilities … hunting within a well-established SOC. You'll develop your skills using industry-standard tools, investigate incidents, and provide actionable remediation advice. Role: Junior Penetration Tester Location: London/Hybrid Salary: £30,000 - £50,000 (DOE) Ideally, you’ll have: 6+ months of proven penetration or security ...

Penetration Tester £55,000 - 65,000 GBP Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Role: Pen Tester Location: London Salary: 55K - 65K Working Pattern: Hybrid The Opportunity: We are looking for an experienced Pen Tester to join a global Cyber Technical Services … will be responsible for delivering comprehensive security testing engagements, applying your expertise to safeguard vital systems. What You Will Do as a Pen Tester: Lead end-to-end security testing projects including scoping, execution, and reporting Conduct application, infrastructure, and intelligence-led tests to identify vulnerabilities Produce clear technical ...

Position Summary The penetration testing team at Claranet Cyber Security is composed of highly skilled, professional ethical hackers with a real passion for improving our clients’ security posture by demonstrating how systems can be compromised and what steps can be taken to defend. Team members work on everything from … client projects to development work and training, dealing with large corporate penetration tests to gaining credit for published advisories. Objectives & Key Results As a Penetration Tester at Claranet, you will able to deliver you own web application tests and through training and partnering, you will be involved ...

Für den Standort München suchen wir: SENIOR CYBER SECURITY PENETRATION TESTER (D/F/M) Your tasks: Execution of penetration tests on web applications, networks, cloud environments, and mobile applications, as well as participation in red team exercises Identification, exploitation, and documentation of vulnerabilities in compliance … experience in the above-mentioned areas of responsibility Advanced knowledge and experience in application, network, and cloud security testing Proven knowledge and experience with penetration testing tools (e.g., Burp Suite, Metasploit, Nmap, Kali Linux, Wireshark, etc.) and scripting experience for automation (Python, PowerShell, Bash, etc.) Strong knowledge and experience ...

aspiring penetration tester looking to work with real threats, real tools, and real impact? You’ll be joining a growing cyber security consultancy focused exclusively on keeping critical national infrastructure secure. You’ll support a team of expert ethical hackers, helping test systems, applications, and networks for vulnerabilities … threat hunting within a well-established SOC. You'll develop your skills using industry-standard tools, investigate incidents, and provide actionable remediation advice.Role: Junior Penetration TesterLocation: London/HybridSalary: £30,000 - £50,000 (DOE)Ideally, you’ll have: 6+ months of proven penetration or security testing experience Knowledge ...

members of societies at large to live, work and develop sustainably, in a safe and secure information space. We are looking for a Medior Penetration Tester with a passion for cybersecurity and a strong drive to protect organizations from emerging threats. You will be responsible for conducting penetration tests, identifying vulnerabilities, and providing actionable insights to enhance our clients' security posture. Key Responsibilities Perform penetration tests on networks, applications, and systems. Identify vulnerabilities and deliver clear, concise remediation advice. Apply industry-standard methodologies (PTES, Cyber Kill Chain, ISAM, etc.). Use security tooling such as Metasploit ...

looking to hire two Lead Penetration Testers with CTL Certification. This is a chance to join a well-established cybersecurity team that supports organisations across both public and private sectors. You’ll play a key role in delivering high-quality penetration testing that helps clients stay secure … fast-moving threat landscape. Role Overview: Role: Lead Penetration Tester (CTL Certified) Location: Remote with ad-hoc travel to client sites. Package: £55,000- £70,000 per annum & benefits. Industry: Cyber Security/Managed Security Services. What You’ll Be Doing: Deliver a wide range of penetration ...

Position Summary As an Associate Penetration Tester at Claranet, you will able to deliver you own web application tests and through training and partnering, you will have the opportunity to become involved in a full range of testing work from mobile app and infrastructure testing to social engineering … work in an independent manner as well as part of a team Excellent written and oral communications skills Positive, collaborative and enthusiastic Conducting penetration testing work out of normal office hours on occasion Willing to travel to deliver onsite work as required Appetite to shadow, train and develop ...

thinking company, we're breaking new ground in software innovation too, redefining what's possible for our customers worldwide. Job Description As a Senior Penetration Tester, you will focus on securing the Company's applications through best practice development lifecycle controls and perform penetration tests to assess … team ensure applications are developed and implemented in a secure manner, as well as being responsible for identifying and remediating risks efficiently through penetration testing. Utilising your knowledge of Secure Development Lifecycles and code assessment, you will work with the Software Development teams to understand and mitigate application-based ...

architecture and application designs, as well as application source code reviews Perform mobile, complex application, infrastructure, as well as social engineering assessments and penetration testing Exploit vulnerabilities to gain access, and expand access to remote systems Document technical issues identified during security assessments Assist with building, hardening, and maintaining … systems used for penetration testing Research cutting edge security topics and new attack vectors Assist with improvements for Integrity360’s security services, including the continuous enhancement of existing methodology and reporting formats, as well as training collateral Communication of findings/innovations internally, to colleagues Represent Integrity36 at international ...

ReRoot Cyber is seeking a highly skilled and forward-thinking senior penetration tester to join one of the UK’s most respected testing teams. They are an impressive technical team with a genuinely collaborative culture who have the full backing from management to deliver nothing but value adding … service lines. 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 (Circa 20%) Full right to work ...

Company Mission and Vision AI-Augmented Pentesting: Human Expertise Where It Matters Most. At OnSecurity, we're redefining cybersecurity through AI-augmented penetration testing — the perfect blend of AI efficiency and human ingenuity. We deliver comprehensive, CREST-approved testing that saves time and money without compromising quality. … your manager to find the right schedule that works for you and your team. Role Purpose As a Senior Penetration Tester, you'll be a technical leader within our testing function. You'll lead complex assessments, mentor others, and help drive innovation in testing methodologies, tooling, and delivery ...

Company Mission and Vision AI-Augmented Pentesting: Human Expertise Where It Matters Most. At OnSecurity, we're redefining cybersecurity through AI-augmented penetration testing — the perfect blend of AI efficiency and human ingenuity. We deliver comprehensive, CREST-approved testing that saves time and money without compromising quality. … your manager to find the right schedule that works for you and your team. Role Purpose As a Senior Penetration Tester, you'll be a technical leader within our testing function. You'll lead complex assessments, mentor others, and help drive innovation in testing methodologies, tooling, and delivery ...

Company Mission and Vision AI-Augmented Pentesting: Human Expertise Where It Matters Most. At OnSecurity, we're redefining cybersecurity through AI-augmented penetration testing — the perfect blend of AI efficiency and human ingenuity. We deliver comprehensive, CREST-approved testing that saves time and money without compromising quality. … your manager to find the right schedule that works for you and your team. Role Purpose As a Senior Penetration Tester, you'll be a technical leader within our testing function. You'll lead complex assessments, mentor others, and help drive innovation in testing methodologies, tooling, and delivery ...

Company Mission and Vision AI-Augmented Pentesting: Human Expertise Where It Matters Most. At OnSecurity, we're redefining cybersecurity through AI-augmented penetration testing — the perfect blend of AI efficiency and human ingenuity. We deliver comprehensive, CREST-approved testing that saves time and money without compromising quality. … your manager to find the right schedule that works for you and your team. Role Purpose As a Senior Penetration Tester, you'll be a technical leader within our testing function. You'll lead complex assessments, mentor others, and help drive innovation in testing methodologies, tooling, and delivery ...

Company Mission and Vision AI-Augmented Pentesting: Human Expertise Where It Matters Most. At OnSecurity, we're redefining cybersecurity through AI-augmented penetration testing — the perfect blend of AI efficiency and human ingenuity. We deliver comprehensive, CREST-approved testing that saves time and money without compromising quality. … your manager to find the right schedule that works for you and your team. Role Purpose As a Senior Penetration Tester, you'll be a technical leader within our testing function. You'll lead complex assessments, mentor others, and help drive innovation in testing methodologies, tooling, and delivery ...

Company Mission and Vision AI-Augmented Pentesting: Human Expertise Where It Matters Most. At OnSecurity, we're redefining cybersecurity through AI-augmented penetration testing — the perfect blend of AI efficiency and human ingenuity. We deliver comprehensive, CREST-approved testing that saves time and money without compromising quality. … your manager to find the right schedule that works for you and your team. Role Purpose As a Senior Penetration Tester, you'll be a technical leader within our testing function. You'll lead complex assessments, mentor others, and help drive innovation in testing methodologies, tooling, and delivery ...