276 to 300 of 707 Penetration Testing Jobs in the UK

several of the skills and technologies below: Microsoft Sentinel Tenable Vulnerability Management (Or similar technology) Azure update Manager/Other Patching technologies Qualifications: Microsoft Security Certifications (eg SC200) Pen Testing/Related Certifications DESIRED KNOWLEDGE, SKILLS & EXPERIENCE The ability to demonstrate knowledge in some of the below would add significant value to your application. Training and development in these More ❯

several of the skills and technologies below: Microsoft Sentinel Tenable Vulnerability Management (Or similar technology) Azure update Manager/Other Patching technologies Qualifications: Microsoft Security Certifications (eg SC200) Pen Testing/Related Certifications DESIRED KNOWLEDGE, SKILLS & EXPERIENCE The ability to demonstrate knowledge in some of the below would add significant value to your application. Training and development in these More ❯

several of the skills and technologies below: Microsoft Sentinel Tenable Vulnerability Management (Or similar technology) Azure update Manager/Other Patching technologies Qualifications: Microsoft Security Certifications (eg SC200) Pen Testing/Related Certifications DESIRED KNOWLEDGE, SKILLS & EXPERIENCE The ability to demonstrate knowledge in some of the below would add significant value to your application. Training and development in these More ❯

several of the skills and technologies below: Microsoft Sentinel Tenable Vulnerability Management (Or similar technology) Azure update Manager/Other Patching technologies Qualifications: Microsoft Security Certifications (eg SC200) Pen Testing/Related Certifications DESIRED KNOWLEDGE, SKILLS & EXPERIENCE The ability to demonstrate knowledge in some of the below would add significant value to your application. Training and development in these More ❯

several of the skills and technologies below: Microsoft Sentinel Tenable Vulnerability Management (Or similar technology) Azure update Manager/Other Patching technologies Qualifications: Microsoft Security Certifications (eg SC200) Pen Testing/Related Certifications DESIRED KNOWLEDGE, SKILLS & EXPERIENCE The ability to demonstrate knowledge in some of the below would add significant value to your application. Training and development in these More ❯

several of the skills and technologies below: Microsoft Sentinel Tenable Vulnerability Management (Or similar technology) Azure update Manager/Other Patching technologies Qualifications: Microsoft Security Certifications (eg SC200) Pen Testing/Related Certifications DESIRED KNOWLEDGE, SKILLS & EXPERIENCE The ability to demonstrate knowledge in some of the below would add significant value to your application. Training and development in these More ❯

several of the skills and technologies below: Microsoft Sentinel Tenable Vulnerability Management (Or similar technology) Azure update Manager/Other Patching technologies Qualifications: Microsoft Security Certifications (eg SC200) Pen Testing/Related Certifications DESIRED KNOWLEDGE, SKILLS & EXPERIENCE The ability to demonstrate knowledge in some of the below would add significant value to your application. Training and development in these More ❯

are currently seeking a CHECK Team Lead to join us in a flexible capacity either as a permanent team member or a contractor leading the delivery of high-assurance penetration testing services in line with NCSC CHECK and CREST standards. Position Overview As a CHECK Team Lead, you will take responsibility for scoping, delivering, and reporting on complex … penetration testing engagements, while ensuring compliance with NCSC’s CHECK requirements. You will mentor and guide a high-performing team and act as a technical and client-facing authority. Key Responsibilities Lead and deliver penetration testing assignments under the CHECK scheme across infrastructure and application layers Define engagement scope, assess risk, and ensure full technical delivery … Ensure all activity complies with CHECK and CREST accreditation requirements Essential Requirements CHECK Team Leader (CTL) status with a UK Cyber Security Council (UK CSC) Professional Title in Security Testing at ‘Principal’ level or above Eligible to attain SC (Security Check) clearance Demonstrated track record of effective customer engagement on previous CHECK engagements Hands-on expertise with common testing More ❯

lateral movement across networks? Are you fascinated with staying current on computing threats? If so, the Regulated Industries Pentest Team at Microsoft is looking for you. As a Principal Penetration Testing Engineer, you will be at the forefront of securing Microsoft products and services. Our team conducts manual assessments of products, services, and software within regulated industries, ensuring … alignment with our Microsoft values, we are committed to cultivating an inclusive work environment for all employees to positively impact our culture every day. Responsibilities: Plan, research, and execute testing of computer systems and applications to simulate real world attacks on Microsoft's services and infrastructure. Assess existing security capabilities to detect and respond to emerging threats. Outline and … document risk impacts in executive summary reports and communications to relevant stakeholders. Perform research to stay current with penetration testing tools, methodologies, tactics, and mitigations. Participate as an infrastructure/operation specialist in overt penetration testing engagements, where we emulate real-world adversaries, During Purple Team engagements Develop and maintain penetration testing procedures and More ❯

Role: Penetration Tester Type: Permanent Location: Cheltenham/Remote Clearance: SC/DV Are you an offensive security specialist who is excited about delivering the best service possible? Keen to work in a business where you stand to work alongside some very talented testers? CND are working with a boutique Cyber Security consultancy who are focused on the Penetration Testing market. What makes them stand out? They are not interested in flashy marketing and would never be caught trying to pass off a Nessus scan as a Penetration Test. The business has been built on delivering excellent testing and reports as well as ensuring that clients see the real benefits of their testing outputs. … The company have an office in Cheltenham however you are welcome to work where is best for you. Key Responsibilities: • Work to deliver CHECK penetration testing services • Lean into non-CHECK work where necessary • Work with the sales team to flesh out technical input as needed • Deliver quality reports to customers, • Stay up to date with industry trends More ❯

About Darkshield Darkshield is an expert cybersecurity agency based in York, UK. We help organisations navigate an increasingly complex digital landscape by providing expert services in penetration testing, vulnerability assessment, managed security, and more. Our mission is to protect businesses by delivering tailored, cutting-edge cybersecurity solutions that keep them resilient and ahead of cyber threats. The Role … We are looking for an experienced Penetration Tester to join our team. You will conduct security assessments and ethical hacking activities to identify vulnerabilities in client systems. This role requires a deep understanding of attack techniques, security frameworks, and risk mitigation strategies. Key Responsibilities Conduct penetration testing on networks, applications, and infrastructure. Identify, analyse, and report security … vulnerabilities. Simulate cyberattacks to evaluate security defences. Develop security testing methodologies and improve existing processes. Collaborate with clients to provide security recommendations and mitigation strategies. Stay up to date with the latest security threats, exploits, and hacking techniques. Assist in security awareness training and red team exercises. Provide clear and actionable reports to both technical and non-technical audiences. More ❯

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 Penetration Tester to join them in delivering critical assessments across complex and sensitive client environments. This is a hands-on internal testing role, not web application focused, where you … 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 … a small, high-trust team on sensitive engagements Contribute to 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.) Strong command-line skills More ❯

As a Senior Security Penetration Tester , 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, and … candidate will possess strong communication and will be committed to ensuring the highest level of security, compliance, and user experience. What you’ll be doing as a Senior Security Penetration Tester Help support and develop an internal penetration testing function. Conduct network, application penetration testing, code and security reviews. Identify and exploit vulnerabilities through proof … 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 cyber security solutions (e.g. vulnerability scanning tools) with existing systems, applications, and infrastructure. Evaluate and recommend technologies, tools, and vendors to meet More ❯

Job Title: Penetration Tester Location: Leeds/Hybrid Reports To: Head of Cyber Services Salary: £55,000 - £60,000 Travel: Occasional client site visits About Us We're a rapidly growing cybersecurity reseller and MSP delivering cutting-edge security solutions across network, endpoint, cloud, and offensive security testing. Our mission: empower clients to expose and eliminate critical vulnerabilities before … attackers do. We're expanding our offensive security team and need an experienced Penetration Tester to deliver high-impact, real-world security assessments that drive tangible improvements. The Role - What You'll Own You will simulate sophisticated cyberattacks across client environments - from networks and web apps to cloud and endpoints - exposing weaknesses before adversaries can exploit them. Your findings … will guide clients to stronger, more resilient security postures. Lead internal and external penetration tests , including infrastructure, web, wireless, cloud, and social engineering. Execute red team, purple team, and breach simulation exercises tailored to client maturity and objectives. Identify and safely exploit vulnerabilities to demonstrate real business impact . Deliver clear, actionable reports tailored to both technical teams and More ❯

CHECK Senior Infrastructure Penetration Tester PGI is a global consultancy that helps organisations build digital resilience. We deploy our people to implement solutions on behalf of clients or to support them in developing their capabilities. Our Penetration Testers work with organisations of all sizes and types to detect and remediate vulnerabilities. They help identify areas lacking sufficient protection. … could exploit, and makes recommendations to safeguard assets. What you'll be doing: Providing professional cybersecurity consultancy to internal and external stakeholders. Leading the delivery of PGI's infrastructure penetration testing. Collaborating on the design and delivery of new and existing service lines related to offensive security assessments. Supporting and often leading technical pre-sales, proposal writing, and client … ensure successful outcomes. Mentoring security consultants or clients by sharing knowledge and overseeing skill development. Participating in exercises such as Capture The Flag (CTF) challenges. Providing accurate scoping of penetration testing opportunities for sales activities. Supporting sales activities with proposals and client presentations. Supporting marketing with subject matter expertise and content development. Developing and maintaining technical skills and More ❯

Penetration Tester Position Description CGI Cyber Security Team in the UK is one of the largest Cyber consultancies in the UK with around 300 members. The UK Cyber team works across a variety of domains including: Government, Defence, Critical Infrastructure, Healthcare, Utilities, Banking and Financial Services and Many more. At CGI you will get the opportunity to work across … 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 … 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 More ❯

Predatech is a CREST-accredited penetration testing organisation focused on delivering high-quality technical security. We’re based in Manchester and are a cyber security partner to over 250 organisations across the UK, including some of the largest companies in the world. We’re growing fast and are searching for more great people to join us. If you … re looking to join a friendly team that cares about delivering high-quality penetration testing, then we want to hear from you. What makes this role different from all the others? You’ll be part of a culture that truly encourages your development. Our work environment is an ego-free zone, and we encourage everyone to be themselves. … We regularly organise team meals and activities to help bring the team together. ‏‏‎ ‎ The Role: We are looking for a penetration tester with hands-on experience to join our growing team. This role is perfect for a penetration tester who is keen to lead testing engagements for a range of interesting clients. Key responsibilities include: Leading and More ❯

Predatech is a CREST-accredited penetration testing organisation focused on delivering high-quality technical security. We’re based in Manchester and are a cyber security partner to over 250 organisations across the UK, including some of the largest companies in the world. We’re growing fast and are searching for more great people to join us. If you … re looking to join a friendly team that cares about delivering high-quality penetration testing, then we want to hear from you. What makes this role different from all the others? You’ll be part of a culture that truly encourages your development. Our work environment is an ego-free zone, and we encourage everyone to be themselves. … We regularly organise team meals and activities to help bring the team together. The Role: We are looking for a penetration tester with hands-on experience to join our growing team. This role is perfect for a penetration tester who is keen to lead testing engagements for a range of interesting clients. Key responsibilities include: Leading and More ❯

for you to cut your teeth on and a friendly, passionate team to develop and grow. The KPMG’s Cyber Defence (CDS) Team conducts client facing technical assurance and penetration testing and has a long and successful history in KPMG. Our clients are diverse and we cover many sectors with particular specialisms in Financial Services, High-end Defence … Assurance and Telecommunications. We work closely with the NCSC developing new schemes such as Cross Domain Solutions Testing (https://www.ncsc.gov.uk/blog-post/ncsc-cross-domain-industry-pilot-stage-2) and are members of all current NCSC and CREST testing schemes - as a result we conduct interesting and challenging work that isn’t on offer … location, as well as embracing remote working. What will you be doing? As the Pen Test Manager, you'll be responsible for leading and mentoring a team of talented penetration testers, ensuring the successful delivery of critical security assessments for our diverse clientele. You'll wear multiple hats, acting as a technical expert, project manager, and strategic leader, driving 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. Job Description Location: This role … 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 … all our employees. If you require accommodations during the application process, let us know, and we'll work to meet your needs. Job requirements What You'll Do Conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Issue detailed reports outlining findings, risks, and recommendations for remediation. Translate complex technical findings into actionable insights More ❯

to safeguard the organisations reputation and digital assets by ensuring robust, secure, and resilient platforms - even when managed by external partners. This individual will not only conduct independent PEN testing and identify security improvements but also act as the internal advocate for digital best practices, coordinating across multiple suppliers to drive continuous improvement in platform governance, availability, and risk … management. Key Responsibilities Conduct penetration testing (PEN testing) and security reviews across TrustMarks digital products and supplier-managed environments (AWS, APIs, websites, and data platforms). Identify vulnerabilities and provide clear, actionable recommendations for improvement to third-party suppliers. Act as the internal champion for digital security, operational resilience, and governance best practices. Collaborate with suppliers (TechInfluence … to be adopted across the supplier ecosystem. Provide assurance and reporting to TrustMark stakeholders on the health, risks, and maturity of the digital estate. Facilitate periodic reviews, audits, and testing exercises to evaluate infrastructure and application robustness. Stay abreast of emerging threats, vulnerabilities, and regulatory standards relevant to cloud-native and outsourced environments. Essential Skills and Experience Proven experience More ❯

and advise on secure architecture and design for new and existing applications. Stay up to date with the latest security threats and technologies to proactively improve security measures. Conduct penetration testing and code reviews to identify and mitigate risks. Contribute to the development of security policies, procedures, and best practices. Requirements: Proven experience in application security, penetration testing, and secure software development practices. Strong understanding of security vulnerabilities (OWASP Top 10, etc.) and secure coding techniques. Experience with security tools (e.g., static/dynamic analysis tools, vulnerability scanners). Familiarity with common web technologies (e.g., Java, Python, JavaScript, SQL). Knowledge of security frameworks and standards (e.g., NIST, ISO 27001). Strong problem-solving skills More ❯

and advise on secure architecture and design for new and existing applications. Stay up to date with the latest security threats and technologies to proactively improve security measures. Conduct penetration testing and code reviews to identify and mitigate risks. Contribute to the development of security policies, procedures, and best practices. Requirements: Proven experience in application security, penetration testing, and secure software development practices. Strong understanding of security vulnerabilities (OWASP Top 10, etc.) and secure coding techniques. Experience with security tools (e.g., static/dynamic analysis tools, vulnerability scanners). Familiarity with common web technologies (e.g., Java, Python, JavaScript, SQL). Knowledge of security frameworks and standards (e.g., NIST, ISO 27001). Strong problem-solving skills More ❯

on this job and more exclusive features. Job Description As a Cybersecurity Specialist within CTC Cyber Ops Pentesting Operations, you will be responsible for the successful execution of our testing portfolio. Your role will involve delivering enhancements and implementing changes that increase productivity, enforce control and cybersecurity best practices, and improve customer satisfaction. You will oversee risk reduction and … on pentest assessment delivery operations and engagement. Job Description As a Cybersecurity Specialist within CTC Cyber Ops Pentesting Operations, you will be responsible for the successful execution of our testing portfolio. Your role will involve delivering enhancements and implementing changes that increase productivity, enforce control and cybersecurity best practices, and improve customer satisfaction. You will oversee risk reduction and … but innovatively protecting it. With a collaborative mindset, you will support transformation work on pentest assessment delivery operations and engagement. Job Responsibilities Lead and oversee the operations of cybersecurity penetration testing engagement, ensuring alignment with industry best practices and emerging trends. Provide technical guidance and support for pentest debugging, scoping, and technical documentation. Develop and implement automation and More ❯

external SOC/SIEM service to monitor systems and investigate anomalies. Lead the response to security incidents, including root cause analysis and remediation. Produce incident reports and support regular testing of response protocols. Conduct vulnerability assessments and penetration testing, and follow through on remediation. Evaluate, implement, and support key security tools (e.g., IDS/IPS, endpoint protection More ❯