1 to 25 of 489 Penetration Testing Jobs in the UK

digital innovation. As our Cyber Security capability continues to grow, we're looking for an experienced CHECK Team Leader specialising in Infrastructure Penetration Testing to join our Security Testing team. This is a hands-on, customer-facing consultancy role focused on delivering high-quality infrastructure penetration testing and security assessments across complex customer environments, including Government, Defence and other regulated sectors. You will lead technical engagements, identify security vulnerabilities, assess potential business impact and provide practical remediation guidance. You'll also support the development of our security testing capability, working alongside experienced penetration ...

digital innovation. As our Cyber Security capability continues to grow, we're looking for an experienced CHECK Team Leader specialising in Infrastructure Penetration Testing to join our Security Testing team. This is a hands-on, customer-facing consultancy role focused on delivering high-quality infrastructure penetration testing and security assessments across complex customer environments, including Government, Defence and other regulated sectors. You will lead technical engagements, identify security vulnerabilities, assess potential business impact and provide practical remediation guidance. You'll also support the development of our security testing capability, working alongside experienced penetration ...

Cyber Assessment Manager (Penetration Testing) OVERVIEW : KPMG Jamaica has a delivery center named Jamaica Extended Support Services ("JESS") operating from Kingston, which is contracted to provide support to its member firm KPMG United States ("the Client"). JOB SUMMARY: In this role, you will focus on offensive security … assessment work with a significant emphasis on penetration testing and red teaming. You will lead initiatives to discover, exploit, and analyze system vulnerabilities while collaborating with security operations and development teams to align with security objectives and risk mitigation goals. Your expertise in advanced penetration testing ...

experienced CHECK Team Leader (CTL) to join our growing Offensive Security capability. Working within a defence-focused environment, you will lead and deliver penetration testing activities across enterprise IT, cloud, applications, and operational technology environments, supporting customers operating within complex and high-assurance systems. As one of Leonardo … senior penetration testing specialists, you will be responsible for planning, scoping, delivering, quality assuring, and reporting on penetration testing engagements in accordance with NCSC CHECK standards and industry best practice. You will work directly with customers to identify and validate security risks, provide practical remediation advice ...

This role, within the Penetration Testing team, will be responsible for vendor management for third-party penetration testing delivery while owning the delivery excellence agenda across the program—governance, performance, and quality assurance. The role is the primary coordination point between Penetration Testing and the wider strategic functions and governance forums, supporting program-level governance oversight and alignment to Penetration Testing strategy. This is not a hands-on penetration testing role; it is a service delivery, governance, and commercial role with a strong technical and strategy focus. Success ...

Full time, Monday - Friday, 37.5 hours per week. Overview We are looking for a skilled Penetration Tester to join our growing team. This role will be performing manual penetration testing duties across several disciplines using the appropriate methodologies. The ideal candidate will have a competent level … high standard is a key function, as is an ability to deliver the information to a non-technical audience. Previous experience in a penetration testing role is essential. Key Responsibilities Perform formal and comprehensive application and infrastructure penetration testing engagements. Provide well-written and concise technical ...

Lead Penetration Tester/CHECK Team Leader (CTL)Location: Bristol - Hybrid (2 days per week onsite)Salary: 80,000 - 100,000 per annum + Company BenefitsEmployment Type: PermanentThe OpportunityWe are looking for an experienced Lead Penetration Tester/CHECK Team Leader (CTL) to join a growing Offensive Security … team within a leading defence and cyber security environment.This is an exciting opportunity for a technically strong penetration testing professional to take ownership of complex security engagements across Defence, Government and Critical National Infrastructure.You'll be working on challenging, high-assurance environments, helping to identify vulnerabilities, strengthen security ...

Lead Penetration Tester/CHECK Team Leader (CTL) Location: Bristol - Hybrid (2 days per week onsite) Salary: £80,000 - £100,000 per annum + Company Benefits Employment Type: Permanent The Opportunity We are looking for an experienced Lead Penetration Tester/CHECK Team Leader (CTL) to join … growing Offensive Security team within a leading defence and cyber security environment. This is an exciting opportunity for a technically strong penetration testing professional to take ownership of complex security engagements across Defence, Government and Critical National Infrastructure. You'll be working on challenging, high-assurance environments, helping ...

Senior Penetration Tester Salary: £60,000 – £65,000 Location: Remote Security Clearance: SC Cleared About the Role We are looking for an experienced Senior Penetration Tester to join our growing cyber security team. This is an excellent opportunity for a technically strong security professional looking to work across … varied portfolio of complex environments and challenging penetration testing engagements. You will be involved in delivering hands-on penetration testing and security assessments for clients across public sector, Critical National Infrastructure (CNI) and large enterprise environments, with exposure to infrastructure, applications, cloud and modern containerised technologies. ...

Senior Penetration Tester Salary: £60,000 £65,000 Location: Remote Security Clearance: SC Cleared About the Role We are looking for an experienced Senior Penetration Tester to join our growing cyber security team. This is an excellent opportunity for a technically strong security professional looking to work across … varied portfolio of complex environments and challenging penetration testing engagements. You will be involved in delivering hands-on penetration testing and security assessments for clients across public sector, Critical National Infrastructure (CNI) and large enterprise environments, with exposure to infrastructure, applications, cloud and modern containerised technologies. ...

# Principal Penetration TesterDragos · dragos.comCategory: Red Team/OffensiveLocation: United KingdomLevel: Staff/Principal## Quality of lifeWhat the posting states. Hover or tap a perk to see the line it came from.* EquityAt Dragos, the mission is personal. The systems we protect deliver the water you drink, power your … kind of work that matters to you, you are in the right place.About the Role:Our Professional Services Team is seeking Associate Principal OT Penetration Tester who will provide technical leadership across vulnerability assessments, penetration testing, and adversary emulation activities supporting customer services engagements. You will shape ...

work that matters to you, you are in the right place. About the Role Our Professional Services Team is seeking Associate Principal OT Penetration Tester who will provide technical leadership across vulnerability assessments, penetration testing, and adversary emulation activities supporting customer services engagements. You will shape engagement … Dragos within the broader OT security community. Responsibilities Serve as primary technical lead and trusted advisor for Dragos’s most complex, high-impact industrial penetration testing, purple teaming, and vulnerability assessment engagements, shaping engagement direction and aligning deep technical execution with client business goals. Set the technical ...

work that matters to you, you are in the right place. About the Role: Our Professional Services Team is seeking Associate Principal OT Penetration Tester who will provide technical leadership across vulnerability assessments, penetration testing, and adversary emulation activities supporting customer services engagements. You will shape engagement … Dragos within the broader OT security community.Responsibilities: Serve as primary technical lead and trusted advisor for Dragos’s most complex, high-impact industrial penetration testing, purple teaming, and vulnerability assessment engagements, shaping engagement direction and aligning deep technical execution with client business goals.Set the technical ...

inspired to grow. Are you ready to love your job? The adventure begins right here, with you, at SITA. Purpose As a Lead Penetration Tester in the Security Assurance & Testing team of the SITA Enterprise Information Security Office, you will find and verify security weaknesses in SITA products … SITA quality standards. You will help move SITA from manual, point-in-time pentesting to continuous, AI-assisted security testing. Key Responsibilities Run authorized penetration tests on SITA applications, APIs, mobile apps, AI components, cloud environments and infrastructure. Use attacker techniques to confirm how exploitable each weakness ...

this is primarily a management and operational role rather than a hands‐on technical hacking position, you will need a solid foundational understanding of penetration testing methodologies and vulnerability lifecycles to be successful. You will own the penetration testing schedule, manage critical vendor relationships, and drive … systems, and applications are effectively communicated and remediated on time. Key Responsibilities Team Leadership: Manage, mentor, and support a small, dedicated team of internal penetration testers and offensive security professionals whose core mission is to proactively identify vulnerabilities across TT’s environment. Schedule & Engagement Management: Own and orchestrate ...

PENETRATION TESTER REMOTE (OCCASIONAL TRAVEL TO OFFICE IN BATTERSEA)OUTSIDE IR35 £500 TO £550 PER DAY DECEMBER STARTThis is an opportunity to join a growing in-house cyber security function that is continuing to expand its penetration testing capability across multiple business units. You'll take ownership … testing engagements, working independently while helping shape the future direction of a mature and evolving security programme. The Company They are a large international organisation with a diverse portfolio of consumer-focused businesses operating across multiple regions. Over recent years, they have invested significantly in building internal cyber security ...

/CTM Penetration Tester Remote - With occasional travel to Manchester and Newcastle-Upon-Tyne Rate - £785 per day Outside IR35 Must have Valid SC About the Role We are seeking an experienced CTL/CTM Penetration Tester to join a large Public Sector client delivering high-assurance security … complex infrastructure, cloud, containerised, and enterprise environments, helping clients identify vulnerabilities and strengthen their security posture. You will be responsible for leading and delivering penetration testing engagements while providing expert guidance, coaching, and technical leadership to colleagues and clients. Essential Requirements/Certifications Cyber Scheme Team Leader (CSTL ...

Penetration Tester Department: Cyber Employment Type: Permanent - Full Time Location: City, London Compensation: £50,000 - £58,000/year Description Moore Kingston Smith is seeking an experienced penetration tester to join our NCSC-recognised cyber security team within our Risk Advisory practice, supporting a diverse portfolio of clients … across multiple sectors. This is a hands-on role focused on delivering penetration tests across web applications, APIs, and internal and external network infrastructure. You will also support Cyber Essentials Plus assessments and wider technical security reviews, including vulnerability assessments, configuration reviews against recognised benchmarks, and cloud security reviews. ...

delivering the best possible services to those who sit at the heart of our economy and communities. We are seeking an experienced Lead Penetration Tester to join our growing Cyber Security practice. With a minimum of five years’ experience delivering penetration testing and technical security assessments … junior consultants. Working closely with the wider RMT Technology IT and Cyber team, you will deliver and oversee a broad range of services including penetration testing, Cyber Essentials Plus assessments, technical information security reviews and security assessments aligned to recognised frameworks such as NIST ...

have an exciting opportunity for an experienced Senior Penetration Tester to join our Offensive Security team. In this role, you will lead the delivery of complex penetration testing engagements for organisations ranging from innovative technology companies to large enterprise and public sector clients. Working alongside some … innovation, we'd love to hear from you What you’ll be doing? Lead the delivery of infrastructure, web application, cloud and internal penetration testing engagements. Conduct advanced adversary simulation and security assessments against complex client environments. Identify, exploit and clearly articulate security weaknesses, attack paths and business ...

join our growing cyber security practice. br br This is an opportunity to work alongside highly skilled security professionals, delivering a variety of penetration testing engagements for clients across multiple sectors. You'll play a key role in helping organisations strengthen their security posture through high-quality offensive … technical expertise within a collaborative and supportive team environment br br b You will be:/b ul li Delivering web application and API penetration testing engagements/li li Conducting internal and external network penetration testing/li li Leading client-facing security assessments ...

Ready to identify vulnerabilities before attackers do? Join a cybersecurity services provider recognised for delivering penetration testing, advisory, and compliance solutions to enterprises. With a reputation for technical expertise and trusted delivery, the organisation continues to help businesses strengthen resilience and protect critical systems against evolving threats. … team is hiring a Penetration Tester to conduct security assessments across applications, networks, and infrastructure. The role will focus on simulating real-world attacks, identifying weaknesses, and providing actionable recommendations to improve overall security posture. Turn offensive skills into defensive strength. Apply now! Responsibilities Conduct hands-on penetration ...

Team Delivery Cell. This is an excellent opportunity for an experienced offensive security specialist with a strong background in Red Teaming, adversary simulation and penetration testing to undertake a long-term assignment within a highly secure environment. The successful consultant will work closely with service owners to scope … with technical teams, service owners and customer stakeholders Essential Experience Strong commercial experience delivering Red Team or adversary simulation engagements Excellent offensive security and penetration-testing knowledge Strong technical cyber security background Relevant recognised Red Team/penetration-testing certifications Strong Scripting or software development skills ...

delivered software consistently meets quality standards. Design, build and maintain automated tests using Selenium and BDD frameworks such as Cucumber or SpecFlow. Execute manual testing across functional, browser compatibility, device, smoke, integration and regression scenarios. Review user stories, acceptance criteria, code and tests produced by peers to ensure completeness … tooling across the team. Collaborate with a cross-functional team who collectively take responsibility for deliverables and quality. Stay current with emerging QA tools, testing approaches and technologies, and bring actionable recommendations to the team. ESSENTIAL 2-5 years of experience in a QA or software testing role ...

control systems. This role focuses on embedded systems security, including Infineon AURIX TC3xx microcontrollers, Hardware Security Module (HSM) configuration, secure firmware deployment, hardware security testing and vulnerability assessment within safety-critical engine control hardware. Key responsibilities will include: Design and review security architectures for safety-critical Engine Control Units … ECUs) using Infineon AURIX TC3xx microcontrollers Conduct penetration testing, ethical hacking and vulnerability assessments on embedded ECU hardware, interfaces and debugging ports Programme, configure and optimise the isolated HSM core to offload cryptographic tasks from the main engine control host CPUs Implement secure boot flows, root-of-trust ...