13 Penetration Testers jobs in the United Kingdom
Penetration Tester
Posted today
Job Viewed
Job Description
Penetration Tester Infrastructure (UK-Based, Remote)
We are currently recruiting for an experienced Penetration Tester specialising in Infrastructure Testing on behalf of a leading UK-based security consultancy. This company is renowned for its innovative approach to security, providing ongoing vulnerability assurance and continuous threat management through its advanced portal solution, beyond t.
WHJS1_UKTJ
Penetration Tester
Posted 10 days ago
Job Viewed
Job Description
£up to £100,000 GBP
Bonus
Hybrid WORKING
Location: Central London, Greater London - United Kingdom Type: Permanent
Role: Penetration Tester (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.
Senior Penetration Tester
Posted 8 days ago
Job Viewed
Job Description
Senior Penetration Tester | 12 Month Initial Contract | 750 - 850 per day (Inside IR35) | Cheltenham or London | 1 day per week on-site | SC Clearance Eligibility Required
MERITUS Talent are working with a boutique Defence consultancy supporting a UK Central Government department in their Cyber Security function. We're looking for an experienced Senior Penetration Tester with a strong background in adversary simulation and technical quality assurance to join a high-impact project within the UK cyber security space. This role is ideal for someone who's not only delivered high-end red team engagements but has also overseen the work of others and provided expert-level guidance.
You may have worked as a CHECK Team Leader, led adversary simulation teams, or assessed others for recognised exam bodies such as CREST or OSCP. This is a contract position working remotely, with occasional meetings or workshops as required.
The role is a 12 month initial contract (inside IR35) & can be mostly remote with 1 day a week on-site in either Cheltenham or London.
Main Responsibilities:
Reviewing and sampling technical reports to ensure they meet internal and external quality standards.
Coaching and mentoring team leads, particularly those working independently without peer support.
- Advising the wider project team on best practices in red teaming and adversary simulation.
Skills Required:
Solid hands-on experience in penetration testing and red teaming, particularly in operational environments.
A background in technical QA - reviewing, validating, and improving the output of other testers.
Experience as an assessor or contributor to recognised exam bodies (e.g. CREST, OSCP, GIAC) is highly desirable.
Got your attention?
If you believe that you have the skills and experience for the role - then please get in touch. We also offer a referral scheme for any candidates whose details are passed to us that we successfully place. If you have any further questions then please contact Ryan Harris at MERITUS Talent.
Senior Penetration Tester
Posted 8 days ago
Job Viewed
Job Description
Senior Penetration Tester | 12 Month Initial Contract | 750 - 850 per day (Inside IR35) | Cheltenham or London | 1 day per week on-site | SC Clearance Eligibility Required
MERITUS Talent are working with a boutique Defence consultancy supporting a UK Central Government department in their Cyber Security function. We're looking for an experienced Senior Penetration Tester with a strong background in adversary simulation and technical quality assurance to join a high-impact project within the UK cyber security space. This role is ideal for someone who's not only delivered high-end red team engagements but has also overseen the work of others and provided expert-level guidance.
You may have worked as a CHECK Team Leader, led adversary simulation teams, or assessed others for recognised exam bodies such as CREST or OSCP. This is a contract position working remotely, with occasional meetings or workshops as required.
The role is a 12 month initial contract (inside IR35) & can be mostly remote with 1 day a week on-site in either Cheltenham or London.
Main Responsibilities:
Reviewing and sampling technical reports to ensure they meet internal and external quality standards.
Coaching and mentoring team leads, particularly those working independently without peer support.
- Advising the wider project team on best practices in red teaming and adversary simulation.
Skills Required:
Solid hands-on experience in penetration testing and red teaming, particularly in operational environments.
A background in technical QA - reviewing, validating, and improving the output of other testers.
Experience as an assessor or contributor to recognised exam bodies (e.g. CREST, OSCP, GIAC) is highly desirable.
Got your attention?
If you believe that you have the skills and experience for the role - then please get in touch. We also offer a referral scheme for any candidates whose details are passed to us that we successfully place. If you have any further questions then please contact Ryan Harris at MERITUS Talent.
Penetration Tester Contractor
Posted 8 days ago
Job Viewed
Job Description
We are looking for a Senior Penetration Tester / Ethical Hacker to work freelance for a company who delivers high-quality security solutions for an array of different clients from varied industries. Due to an unprecedented increase in workload, we are looking for a reliable Penetration Tester to work on overflow projects, delivering infrastructure penetration testing, including broader vulnerability assessments and security audits as needed. You will also produce clear, professional reports and deliver testing debriefs.
This opportunity would suit someone who is already in a permanent position, looking for freelance work in addition to their main role, or someone who is happy with short sporadic contracts as they come up.
Due to the nature of work and client base, all applicants but be able to obtain SC clearance.
Day rate: £400 - £500 per day, London – remote/hybrid
Requirements
- Proven experience in Penetration Testing / Ethical Hacking
- Strong knowledge of network and cloud infrastructure security.
- Up-to-date on the latest cybersecurity threats and technologies.
- Strong knowledge in pen testing tools ( Metasploit, Nmap, Wireshark, Burp Suite, Nessus, OWASP ZAP, Eyewitness, Nessus, sqlmap, kali linux, etc)
- Ideally certified – eg OSCP, CRTP, CPPT, CEH, CISSP, OSWP, eJPT, eWPT
- Good reporting and security debriefing skills
- A passion for cybersecurity and a safer world.
If you are interested please send your CV to: (url removed)
Senior Penetration Tester
Posted 23 days ago
Job Viewed
Job Description
Senior Penetration Tester | 12 Month Initial Contract | 750 - 850 per day (Inside IR35) | Cheltenham or London | 1 day per week on-site | SC Clearance Eligibility Required
MERITUS Talent are working with a boutique Defence consultancy supporting a UK Central Government department in their Cyber Security function. We're looking for an experienced Senior Penetration Tester with a strong background in adversary simulation and technical quality assurance to join a high-impact project within the UK cyber security space. This role is ideal for someone who's not only delivered high-end red team engagements but has also overseen the work of others and provided expert-level guidance.
You may have worked as a CHECK Team Leader, led adversary simulation teams, or assessed others for recognised exam bodies such as CREST or OSCP. This is a contract position working remotely, with occasional meetings or workshops as required.
The role is a 12 month initial contract (inside IR35) & can be mostly remote with 1 day a week on-site in either Cheltenham or London.
Main Responsibilities:
Reviewing and sampling technical reports to ensure they meet internal and external quality standards.
Coaching and mentoring team leads, particularly those working independently without peer support.
- Advising the wider project team on best practices in red teaming and adversary simulation.
Skills Required:
Solid hands-on experience in penetration testing and red teaming, particularly in operational environments.
A background in technical QA - reviewing, validating, and improving the output of other testers.
Experience as an assessor or contributor to recognised exam bodies (e.g. CREST, OSCP, GIAC) is highly desirable.
Got your attention?
If you believe that you have the skills and experience for the role - then please get in touch. We also offer a referral scheme for any candidates whose details are passed to us that we successfully place. If you have any further questions then please contact Ryan Harris at MERITUS Talent.
Senior Penetration Tester
Posted 23 days ago
Job Viewed
Job Description
Senior Penetration Tester | 12 Month Initial Contract | 750 - 850 per day (Inside IR35) | Cheltenham or London | 1 day per week on-site | SC Clearance Eligibility Required
MERITUS Talent are working with a boutique Defence consultancy supporting a UK Central Government department in their Cyber Security function. We're looking for an experienced Senior Penetration Tester with a strong background in adversary simulation and technical quality assurance to join a high-impact project within the UK cyber security space. This role is ideal for someone who's not only delivered high-end red team engagements but has also overseen the work of others and provided expert-level guidance.
You may have worked as a CHECK Team Leader, led adversary simulation teams, or assessed others for recognised exam bodies such as CREST or OSCP. This is a contract position working remotely, with occasional meetings or workshops as required.
The role is a 12 month initial contract (inside IR35) & can be mostly remote with 1 day a week on-site in either Cheltenham or London.
Main Responsibilities:
Reviewing and sampling technical reports to ensure they meet internal and external quality standards.
Coaching and mentoring team leads, particularly those working independently without peer support.
- Advising the wider project team on best practices in red teaming and adversary simulation.
Skills Required:
Solid hands-on experience in penetration testing and red teaming, particularly in operational environments.
A background in technical QA - reviewing, validating, and improving the output of other testers.
Experience as an assessor or contributor to recognised exam bodies (e.g. CREST, OSCP, GIAC) is highly desirable.
Got your attention?
If you believe that you have the skills and experience for the role - then please get in touch. We also offer a referral scheme for any candidates whose details are passed to us that we successfully place. If you have any further questions then please contact Ryan Harris at MERITUS Talent.
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Penetration Tester Contractor
Posted 27 days ago
Job Viewed
Job Description
We are looking for a Senior Penetration Tester / Ethical Hacker to work freelance for a company who delivers high-quality security solutions for an array of different clients from varied industries. Due to an unprecedented increase in workload, we are looking for a reliable Penetration Tester to work on overflow projects, delivering infrastructure penetration testing, including broader vulnerability assessments and security audits as needed. You will also produce clear, professional reports and deliver testing debriefs.
This opportunity would suit someone who is already in a permanent position, looking for freelance work in addition to their main role, or someone who is happy with short sporadic contracts as they come up.
Due to the nature of work and client base, all applicants but be able to obtain SC clearance.
Day rate: £400 - £500 per day, London – remote/hybrid
Requirements
- Proven experience in Penetration Testing / Ethical Hacking
- Strong knowledge of network and cloud infrastructure security.
- Up-to-date on the latest cybersecurity threats and technologies.
- Strong knowledge in pen testing tools ( Metasploit, Nmap, Wireshark, Burp Suite, Nessus, OWASP ZAP, Eyewitness, Nessus, sqlmap, kali linux, etc)
- Ideally certified – eg OSCP, CRTP, CPPT, CEH, CISSP, OSWP, eJPT, eWPT
- Good reporting and security debriefing skills
- A passion for cybersecurity and a safer world.
If you are interested please send your CV to: (url removed)
Consultant Penetration Tester
Posted 3 days ago
Job Viewed
Job Description
**Consultant - Offensive Security Testing**
**Role Overview:**
We are seeking a highly skilled and experienced Offensive Security Consultant with a strong focus understanding on threat intelligence and attack methods. The ideal candidate will be responsible for managing and conducting advanced penetration testing engagements, leveraging threat intelligence to simulate real-world attacks across a variety of environments, including OT, IT, web applications, cloud infrastructure, and APIs. This role requires a deep understanding of adversarial approaches, excellent communication skills, and the ability to provide strategic and actionable recommendations to significantly enhance our clients' security posture.
**What you'll be doing:**
**What you'll be doing:**
**Responsibilities:**
+ Lead and manage the full lifecycle of complex penetration testing engagements, applying a strong threat intelligence-led approach.
+ Execute advanced penetration tests across a broad range of environments (applications, infrastructure, web, APIs, O365, Azure, AWS, OT), directly applying your knowledge of current threat landscapes and attacker TTPs.
+ Develop and maintain sophisticated test plans, execution plans, and targeted use cases directly informed by in-depth threat intelligence analysis.
+ Identify and prioritize OT and IT assets, services, and systems based on their criticality and potential exposure to identified threats.
+ Strategically prioritize, plan, and schedule penetration testing engagements based on comprehensive threat assessments and client-specific requirements.
+ Produce high-quality, detailed reports that clearly articulate technical findings, potential business impact, and strategic, actionable remediation recommendations for both technical and non-technical stakeholders.
+ Clearly and effectively communicate complex security concepts, adversarial tactics, and critical threat intelligence insights to diverse audiences.
+ Collaborate closely with client IT and cybersecurity teams to drive the enhancement of security protocols and ensure effective, threat-informed remediation of identified vulnerabilities.
+ Track the progress of remediation efforts and provide regular, concise updates to stakeholders, highlighting the reduction of identified threats.
+ Conduct proactive security research and contribute to the creation of technical content on emerging threats, advanced attack techniques, and threat intelligence-led testing methodologies.
+ Contribute to strengthening security monitoring (blue team) capabilities by providing valuable insights into offensive techniques and adversarial behaviors to enhance detection and response effectiveness.
+ Drive the patching regime for identified vulnerabilities, prioritizing remediation efforts based on threat intelligence and the potential for exploitation by advanced threat actors.
**What experience you'll bring:**
**What you'll bring:**
**Skills and Qualifications:**
+ Minimum of 5 years of demonstrable professional experience in penetration testing, with a strong emphasis on understanding, emulating, and leveraging adversarial tactics and threat intelligence.
+ Comprehensive understanding of OT and IT asset profiles, technologies, and security best practice principles, with a proven ability to contextualize them within the current threat landscape.
+ In-depth knowledge of network protocols, cryptography, security vulnerabilities, and common attack vectors employed by sophisticated threat actors.
+ Demonstrated proficiency in utilizing a wide range of penetration testing tools and methodologies, including those specifically used for threat intelligence analysis and application.
+ Proven experience in scoping and executing complex penetration tests, particularly those directly informed and driven by threat intelligence.
+ Exceptional written and verbal communication skills, with the ability to articulate complex technical findings and nuanced threat intelligence insights clearly and concisely to diverse audiences.
+ Strong organizational and time management skills, with a proven ability to effectively manage and prioritize multiple concurrent engagements.
+ Current CREST CRT certification or higher is essential.
+ Must hold or be eligible for SC Clearance.
**Desirable Skills:**
+ Experience with Breach Attack Simulation tools and methodologies.
+ Experience in Vulnerability Management processes and integrating threat intelligence.
+ Understanding of Risk Management frameworks and how threat intelligence informs risk assessments.
+ Hands-on experience with security reviews of AWS, Azure, and GCP environments, incorporating cloud-specific threats.
+ Experience with ISO 27001 auditing/implementation, understanding the role of threat intelligence in compliance.
+ Other advanced cybersecurity certifications such as CISM, CISSP, ECSA, CREST CCT.
**Who we are:**
We're a business with a global reach that empowers local teams, and we undertake hugely exciting work that is genuinely changing the world. Our advanced portfolio of consulting, applications, business process, cloud, and infrastructure services will allow you to achieve great things by working with brilliant colleagues, and clients, on exciting projects.
Our inclusive work environment prioritises mutual respect, accountability, and continuous learning for all our people. This approach fosters collaboration, well-being, growth, and agility, leading to a more diverse, innovative, and competitive organisation. We are also proud to share that we have a range of Inclusion Networks such as: the Women's Business Network, Cultural and Ethnicity Network, LGBTQ+ & Allies Network, Neurodiversity Network and the Parent Network.
For more information on Diversity, Equity and Inclusion please click here: Creating Inclusion Together at NTT DATA UK | NTT DATA ( we'll offer you:**
We offer a range of tailored benefits that support your physical, emotional, and financial wellbeing. Our Learning and Development team ensure that there are continuous growth and development opportunities for our people. We also offer the opportunity to have flexible work options.
You can find more information about NTT DATA UK & Ireland here: are an equal opportunities employer. We believe in the fair treatment of all our employees and commit to promoting equity and diversity in our employment practices. We are also a proud Disability Confident Committed Employer - we are committed to creating a diverse and inclusive workforce. We actively collaborate with individuals who have disabilities and long-term health conditions which have an effect on their ability to do normal daily activities, ensuring that barriers are eliminated when it comes to employment opportunities. In line with our commitment, we guarantee an interview to applicants who declare to us, during the application process, that they have a disability and meet the minimum requirements for the role. If you require any reasonable adjustments during the recruitment process, please let us know. Join us in building a truly diverse and empowered team.
**Closing Date:**
31/07/2025
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Senior Penetration Tester
Posted 8 days ago
Job Viewed
Job Description
Senior Penetration Tester | 12 Month Initial Contract | £750 - £850 per day (Inside IR35) | Cheltenham or London | 1 day per week on-site | SC Clearance Eligibility Required
MERITUS Talent are working with a boutique Defence consultancy supporting a UK Central Government department in their Cyber Security function. We're looking for an experienced Senior Penetration Tester with a strong background .
WHJS1_UKTJ