Penetration Tester (Senior)

Reference: CV93058

We are seeking a highly skilled and motivated Senior Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for leading and executing comprehensive penetration tests on our network, applications, and systems, identifying vulnerabilities, and providing actionable insights to enhance our security posture. You will work closely with various teams to ensure security best practices are integrated into our development and operational processes. Your expertise will be crucial in simulating real-world attacks, assessing risks, and recommending effective mitigation strategies.

The ideal candidate will possess extensive experience in penetration testing methodologies and tools, along with a deep understanding of network protocols, web applications, and operating systems. You will be expected to perform detailed reporting of findings, including technical vulnerabilities and business impacts, and present these to both technical and non-technical stakeholders. Strong analytical and problem-solving skills are essential, as well as the ability to work independently and collaboratively in a fast-paced environment. A solid foundation in programming or scripting languages is a plus, enabling you to customize testing tools to meet specific challenges.

To be considered for this position, candidates must have relevant certifications such as OSCP, CEH, or GPEN, and a minimum of 5 years of experience in penetration testing or related fields. If you are passionate about cybersecurity and eager to contribute to a proactive security culture, we would love to hear from you. Join us in our mission to safeguard our digital assets and protect our clients from emerging threats.

COMPETITIVE SALARY

Cardiff

Permanent

Added 08/10/2025
Reference: CV93058

Penetration Tester (Senior)

Cardiff
Permanent

Other similar jobs

Penetration Tester (Senior)

Added 07/10/2025

We are seeking an experienced and motivated Senior Penetration Tester to join our cybersecurity team. In this role, you will be responsible for conducting comprehensive penetration testing on our systems, networks, and applications to identify vulnerabilities and provide actionable recommendations for remediation. You will collaborate closely with development and operations teams to ensure security best practices are integrated into the software development lifecycle. Your expertise will be crucial in simulating real-world attacks to assess the effectiveness of our security measures and enhance our overall security posture. The ideal candidate will have a strong background in information security and hands-on experience...

Learn more

Senior Penetration Tester

Added 28/11/2025

We are seeking a highly skilled and motivated Senior Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for identifying and exploiting vulnerabilities in our systems, applications, and networks to enhance our security posture. You will lead and execute comprehensive penetration testing engagements, ensuring that all findings are accurately documented and communicated to relevant stakeholders. Your expertise will be crucial in advising on remediation strategies and best practices to mitigate risks. The ideal candidate will have a strong background in ethical hacking and a passion for staying ahead of the ever-evolving threat landscape. Your...

Learn more

Senior Penetration Tester

Added 21/11/2025

We are seeking a highly skilled Senior Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for conducting comprehensive penetration tests and vulnerability assessments on our systems, applications, and networks. You will utilize your expertise to identify security weaknesses, recommend effective remediation strategies, and ensure compliance with industry standards. As a Senior Penetration Tester, you will lead testing engagements, mentor junior team members, and collaborate with cross-functional teams to enhance our security posture. Your key responsibilities will include developing and executing advanced testing methodologies, reporting findings to stakeholders, and providing actionable insights to improve...

Learn more

Senior Penetration Tester

Added 21/11/2025

We are seeking a highly skilled and motivated Senior Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for identifying vulnerabilities and weaknesses in our systems, applications, and networks through comprehensive penetration testing and security assessments. You will design and execute advanced penetration tests, analyze security controls, and provide actionable recommendations to enhance our security posture. Collaboration with cross-functional teams will be crucial as you communicate findings and remediate vulnerabilities effectively, ensuring compliance with industry standards and regulations. The ideal candidate will have extensive experience in penetration testing methodologies, tools, and frameworks, such as...

Learn more

Senior Penetration Tester

Added 21/11/2025

We are seeking an experienced Senior Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for conducting advanced penetration tests on our applications, networks, and systems to identify vulnerabilities and provide actionable remediation strategies. Your expertise will play a pivotal role in enhancing our security posture, ensuring compliance with industry standards, and protecting sensitive data. You will also collaborate with cross-functional teams to evaluate security controls and provide guidance on best practices for secure system design and implementation. The ideal candidate will possess a strong understanding of various attack vectors, network protocols, and security...

Learn more

Senior Penetration Tester

Added 21/11/2025

We are seeking a skilled and motivated Senior Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for conducting comprehensive penetration tests on our systems, applications, and networks to identify vulnerabilities and recommend appropriate remediation strategies. Your expertise will contribute to our mission of safeguarding sensitive data and maintaining the integrity of our systems. You will lead security assessments, develop test plans, and execute advanced attack simulations to assess our defenses. Additionally, you will collaborate closely with development and operations teams to ensure security best practices are integrated throughout the software development lifecycle. The...

Learn more

Senior Penetration Tester

Added 14/11/2025

We are seeking a highly skilled Senior Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for conducting advanced penetration testing and vulnerability assessments on our systems, applications, and networks. You will leverage your expertise in ethical hacking to identify security weaknesses and recommend effective remediation strategies. Your hands-on experience with various penetration testing tools and methodologies will be essential to ensure our organization remains at the forefront of cybersecurity practices. You will also collaborate closely with cross-functional teams to provide guidance on security best practices and assist in the development of comprehensive security...

Learn more

Senior Security Penetration Tester

Added 14/11/2025

We are seeking a highly skilled and experienced Senior Security Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for identifying and exploiting vulnerabilities in our systems, applications, and networks to help strengthen our security posture. You will conduct comprehensive penetration tests, assess risk levels, and provide actionable recommendations to mitigate identified threats. Collaborating with various teams, you will help design and implement security measures, while also educating staff about security best practices and threat awareness. The ideal candidate will possess a deep understanding of security concepts, methodologies, and tools. You should have extensive...

Learn more

Senior Penetration Tester

Added 10/11/2025

We are seeking a highly skilled Senior Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for identifying and exploiting vulnerabilities in our systems, networks, and applications to enhance our security posture. You will conduct comprehensive penetration tests, red team assessments, and security audits, while also providing actionable recommendations to mitigate identified risks. Collaborating closely with development and operations teams, you will ensure that security is integrated throughout the software development lifecycle and that security best practices are adhered to across all projects. The ideal candidate will possess a deep understanding of various penetration...

Learn more

Senior Penetration Tester / Cybersecurity Red Team Lead(Certified: OSCP / OSCE / OSWE / CREST / CISSP)

Added 28/10/2025

We are seeking a highly skilled and motivated Senior Penetration Tester / Cybersecurity Red Team Lead to join our dynamic team. In this role, you will be responsible for leading and executing advanced penetration testing and red teaming engagements, while also mentoring junior team members. You will work closely with various stakeholders to assess vulnerabilities in our systems, applications, and networks, simulating real-world attacks to provide actionable insights for improving our security posture. Your expertise will be crucial in identifying and exploiting vulnerabilities, developing proof-of-concept exploits, and providing clear, concise reports detailing findings and recommendations for remediation. The ideal candidate...

Learn more

Senior Penetration Tester

Added 22/10/2025

We are seeking a highly skilled and motivated Senior Penetration Tester to join our dynamic cybersecurity team. In this role, you will lead the execution of penetration tests across various environments, including web applications, networks, and mobile platforms. You will collaborate with cross-functional teams to identify vulnerabilities, assess security risks, and provide actionable recommendations to enhance our security posture. Your expertise will also be essential in developing test plans, documenting findings, and communicating results to both technical and non-technical stakeholders. The ideal candidate will possess a deep understanding of security principles, methodologies, and tools. You will be responsible for staying...

Learn more

CHECK Team Leader / Senior Penetration Tester

Added 17/10/2025

We are seeking a dynamic and experienced CHECK Team Leader / Senior Penetration Tester to join our cybersecurity team. In this pivotal role, you will lead a specialized team of penetration testers to identify vulnerabilities within client systems and applications. Your primary responsibilities will include overseeing the planning and execution of penetration tests, ensuring compliance with industry standards, and delivering comprehensive security assessments. You will also be responsible for mentoring junior team members, providing guidance and support in developing their skills, and fostering a culture of continuous improvement and learning within the team. As a CHECK Team Leader, you will...

Learn more

CHECK Team Leader / Senior Penetration Tester

Added 16/10/2025

We are seeking a highly skilled CHECK Team Leader / Senior Penetration Tester to join our dynamic cybersecurity team. In this pivotal role, you will lead a team of penetration testers, guiding them through complex security assessments and ensuring the delivery of high-quality results for our clients. Your expertise will be instrumental in managing both internal and external penetration testing projects, while also developing and implementing strategic methodologies to enhance our testing capabilities. You will act as the primary liaison with clients, providing them with insights and recommendations based on your findings to strengthen their security posture. As a CHECK...

Learn more

Senior Penetration Tester

Added 16/10/2025

We are seeking a highly skilled and experienced Senior Penetration Tester to join our dynamic cybersecurity team. In this pivotal role, you will be responsible for identifying and exploiting vulnerabilities in our systems, applications, and networks to enhance our security posture. You will lead penetration testing engagements, develop assessment methodologies, and provide actionable recommendations to improve security controls. Your expertise will play a critical role in safeguarding our organization against emerging threats and ensuring compliance with industry standards. Your main duties will include conducting comprehensive penetration tests, evaluating the security of various platforms, and collaborating with cross-functional teams to remediate...

Learn more

Senior Penetration Tester

Added 13/10/2025

We are seeking a highly skilled Senior Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for conducting comprehensive penetration testing on a variety of systems, applications, and networks to identify vulnerabilities and weaknesses. Your expertise will play a crucial role in enhancing our security posture and ensuring the protection of sensitive data. You will collaborate closely with cross-functional teams to provide actionable recommendations for remediation and work to ensure compliance with industry standards and regulations. The ideal candidate will possess extensive experience in penetration testing methodologies and tools, along with a solid understanding...

Learn more
At least 8 characters, 1 uppercase, 1 lowercase and 1 special character or number
Your file must be a doc, docx or pdf. No larger than 5MB.