1 to 25 of 230 Penetration Testing Jobs in the UK

AI Offensive Security Engineer - LLM & Penetration Testing

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
Offensive Security Engineer - LLM & Penetration Testing - BANKING CLIENT - LONDON Location: London - Hybrid (8 days onsite per month) Contract: 12 months (initial) Day Rate: Competitive, depending on experience €500 - €800 per day IR35 Status: Inside IR35 - MUST USE UMBRELLA The Opportunity We are looking for a hands … exciting opportunity to work at the intersection of Artificial Intelligence, Application Security and Ethical Hacking , helping to develop and operationalise AI-powered security testing capabilities. The organisation is investing in the use of Large Language Models (LLMs) and AI agents to enhance how security vulnerabilities are identified, assessed ...

AI Offensive Security Engineer - LLM & Penetration Testing

Location
United Kingdom
Offensive Security Engineer - LLM & Penetration Testing - BANKING CLIENT - LONDON Location: London - Hybrid (8 days onsite per month) Contract: 12 months (initial) Day Rate: Competitive, depending on experience 500 - 800 per day IR35 Status: Inside IR35 - MUST USE UMBRELLA The Opportunity We are looking for a hands … exciting opportunity to work at the intersection of Artificial Intelligence, Application Security and Ethical Hacking , helping to develop and operationalise AI-powered security testing capabilities. The organisation is investing in the use of Large Language Models (LLMs) and AI agents to enhance how security vulnerabilities are identified, assessed ...

Senior Penetration Tester

Hiring Organisation
Morson Edge
Location
United Kingdom
Employment Type
Permanent
Salary
£65,000
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

Hiring Organisation
Morson Edge
Location
London, UK
Senior Penetration Tester Salary: £60,000 – £65,000 Are you ready to apply Make sure you understand all the responsibilities and tasks associated with this role before proceeding. Location: Remote Security Clearance: SC Cleared About the Role We are looking for an experienced Senior Penetration Tester to join … team. This is an excellent opportunity for a technically strong security professional looking to work across a 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 ...

Penetration Tester

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £550.00 per day
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 ...

Internal Penetration Tester

Hiring Organisation
Salt Search
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £110,000 per annum
Internal Penetration Tester Salary: £75,000 - £110,000 per annum Location: London - 2/3 days per week We are partnering with a globally recognised professional services organisation that operates across multiple international markets and supports thousands of employees worldwide. With technology and cyber security continuing … business is investing heavily in strengthening its cyber resilience, risk management capabilities and enterprise security programmes. This is an excellent opportunity for an experienced Penetration Tester, Offensive Security Consultant or Application Security professional to join a growing global security team responsible for assessing and improving the security of enterprise ...

CTL/CTM Penetration Tester

Hiring Organisation
Layer7
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP 785 Daily
/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 ...

Lead Penetration Tester

Hiring Organisation
Akkodis
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Lead Penetration Tester - Remote Looking for your next step in penetration testing? I'm working with a growing cybersecurity consultancy that's built a strong reputation across Penetration Testing, SOC and Advisory services. As the team continues to expand, they're looking to hire … Lead Penetration Tester who can combine hands-on delivery with mentoring and leadership responsibilities. You'll work closely with the Head of Penetration Testing, helping to shape and develop the service while remaining involved in a variety of technical engagements across a predominantly commercial client base. What ...

Security Penetration Tester

Hiring Organisation
Pertemps Thames Water
Location
Reading, Berkshire, United Kingdom
Employment Type
Permanent
Salary
GBP 72,000 Annual
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 … need any reasonable adjustments during the process, please let us know - we're here to help. What you'll be doing as a Security Penetration Tester Help support and develop an internal penetration testing function. Conduct network, application penetration testing, code and security reviews. Identify ...

Senior Penetration Tester

Hiring Organisation
Nigel Wright Group
Location
Newcastle Upon Tyne, Tyne and Wear, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
cyber security offering with ambitious plans for growth. This is an opportunity to join at an early stage, helping to establish a credible penetration-testing capability while benefiting from an extensive national client base and established routes to market. As Senior Penetration Tester, you will provide … senior technical capability needed to develop and scale the organisation’s penetration-testing service. You will remain hands-on with complex assignments while shaping delivery standards, supporting junior colleagues and building trusted relationships with clients. The firm operates a hybrid working basis, where you will be expected ...

CST Penetration Tester

Hiring Organisation
Claranet Limited
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
looking for a CST Penetration Tester to join our Continuous Security Testing team, helping customers identify, understand and remediate vulnerabilities across their external attack surface. Unlike traditional point-in-time penetration testing, our Continuous Security Testing service combines automated vulnerability scanning with hands-on manual … testing throughout an ongoing engagement. You’ll investigate vulnerabilities, validate scanner findings, identify issues that automation alone cannot detect and determine their real-world impact through manual exploitation. You’ll work directly with customers to clearly communicate risks and remediation, while also contributing to the continued development ...

Security Testing Consultant

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £65,000 per annum
growing cyber security consultancy is hiring a hands-on penetration tester to take ownership of engagements across web applications, infrastructure, cloud platforms and APIs. You'll run engagements end to end, from scoping through to testing, reporting and client debriefs, working alongside experienced testers. There's funded certification … Role This role is suited to someone wanting to broaden their technical range and own engagements outright, with prior hands-on experience in penetration testing Test across a variety of environments, including web applications, infrastructure, cloud platforms and APIs. Help clients identify vulnerabilities, understand their security risks ...

Penetration Tester

Hiring Organisation
Barclays
Location
Knutsford, Cheshire, UK
Employment Type
Full-time
DescriptionPurpose of the roleTo identify potential vulnerabilities within the banks IT systems using penetration testing tools and techniques to ensure security of computer systems, applications, servers, and networks. AccountabilitiesDevelopment and execution of assessments, audits, and threat models to identify vulnerabilities within the banks systems, applications and servers using … penetration tools and techniques, and communicate key findings and recommendations to stakeholders. Collaboration with stakeholders and IT teams to identify emerging cyber-attack techniques, tools and technologies and to support the development of penetration testing methodologies. Development and maintenance of comprehensive documents and reports for senior stakeholders ...

IT Offensive Security Consultant

Location
United Kingdom
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 ...

Principal Penetration Tester

Hiring Organisation
Morson Edge
Location
United Kingdom
Employment Type
Contract
Principal Penetration Tester Location: Mainly remote, with occasional site visits (expenses paid) Duration: Initial 6-month contract, with a strong likelihood of extension IR35: Outside IR35 Role Overview We are seeking an experienced Principal Penetration Tester to lead and deliver complex penetration testing and security assessment … clients The successful candidate will provide hands-on technical expertise across infrastructure, cloud, applications, Kubernetes and hybrid environments, while also leading testing teams and mentoring junior consultants. Essential Requirements Cyber Scheme Team Leader (CSTL) or CREST Certified Tester (CCT) Principal UK Cyber Security Council Professional (PriCSP) Current Security Clearance ...

Senior Technical Security Consultant Security Architecture

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
technical solutions against security, regulatory and business requirements. Conduct and support threat modelling, risk assessments and vulnerability assessments . Provide technical oversight of security testing and penetration testing activities. Support vulnerability management and help teams prioritise and remediate security risks. Work closely with architects, engineers, testers … Looking For You'll have significant experience in one or more of the following: Security Architecture Security Engineering Cloud Security Network Security Application Security Penetration Testing You'll also have: Strong knowledge of modern cyber threats, attack techniques and security risks. Experience applying Secure by Design principles across ...

Senior Security Architect

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
with security, regulatory and business requirements. Conduct and support threat modelling, cyber risk assessments and vulnerability assessments. Provide technical oversight and recommendations for security testing and penetration testing activities. Support vulnerability management, helping teams prioritise and remediate security risks effectively. Collaborate with architects, engineers, testers and assurance … ideal candidate will bring significant experience in one or more technical cybersecurity disciplines, including: Security Architecture Security Engineering Cloud Security Network Security Application Security Penetration Testing Candidates should also demonstrate: A strong understanding of modern cyber threats, attack techniques and security risks. Experience applying secure-by-design principles ...

Senior Security Architect

Hiring Organisation
Anson Mccade
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
with security, regulatory and business requirements. Conduct and support threat modelling, cyber risk assessments and vulnerability assessments. Provide technical oversight and recommendations for security testing and penetration testing activities. Support vulnerability management, helping teams prioritise and remediate security risks effectively. Collaborate with architects, engineers, testers and assurance … ideal candidate will bring significant experience in one or more technical cybersecurity disciplines, including: Security Architecture Security Engineering Cloud Security Network Security Application Security Penetration Testing Candidates should also demonstrate: A strong understanding of modern cyber threats, attack techniques and security risks. Experience applying secure-by-design principles ...

Senior Security Arhcitect

Hiring Organisation
Anson Mccade
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
with security, regulatory and business requirements. Conduct and support threat modelling, cyber risk assessments and vulnerability assessments. Provide technical oversight and recommendations for security testing and penetration testing activities. Support vulnerability management, helping teams prioritise and remediate security risks effectively. Collaborate with architects, engineers, testers and assurance … ideal candidate will bring significant experience in one or more technical cybersecurity disciplines, including: Security Architecture Security Engineering Cloud Security Network Security Application Security Penetration Testing Candidates should also demonstrate: A strong understanding of modern cyber threats, attack techniques and security risks. Experience applying secure-by-design principles ...

Security Architect - DevSecOps + Application Security

Hiring Organisation
Colt Technology Services
Location
Greater London, United Kingdom
Employment Type
Full Time
role in supporting: Secure software development practices across Colt Security integration into CI/CD pipelines (GitLab) Reduction of vulnerabilities through automated scanning and testing Assurance of internet-facing applications through structured penetration testing activities What you will do Provide security architecture expertise for application security … software development, aligned to Colt’s Secure by Design principles Support the integration of security controls into CI/CD pipelines (GitLab), including automated testing and policy enforcement Design and implement application security controls, including: Static Application Security Testing (SAST) Dynamic Application Security Testing (DAST) Software Composition ...

Senior Infrastructure Specialist (Red Team)

Hiring Organisation
Inspire People
Location
Plymouth, Devon, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
important digital property services. HM Land Registry (HMLR), in partnership with Inspire People, is seeking a Senior Infrastructure Specialist - Red Team with experience in penetration testing, adversary emulation, threat analysis, Infrastructure as Code, DevOps and security operations. This permanent opportunity offers a salary … controls and improve HMLR's security posture. As a Senior Infrastructure Specialist - Red Team, you will: * Conduct Red Team engagements, adversary emulation exercises and penetration testing activities * Simulate real-world cyber attacks to assess security controls, detection capabilities and response effectiveness * Identify vulnerabilities, attack paths and security weaknesses ...

Senior Infrastructure Specialist (Red Team)

Hiring Organisation
Inspire People
Location
Bickleigh, England, United Kingdom
important digital property services. HM Land Registry (HMLR), in partnership with Inspire People, is seeking a Senior Infrastructure Specialist - Red Team with experience in penetration testing, adversary emulation, threat analysis, Infrastructure as Code, DevOps and security operations. This permanent opportunity offers a salary … controls and improve HMLR's security posture. As a Senior Infrastructure Specialist - Red Team, you will: * Conduct Red Team engagements, adversary emulation exercises and penetration testing activities * Simulate real-world cyber attacks to assess security controls, detection capabilities and response effectiveness * Identify vulnerabilities, attack paths and security weaknesses ...

Security Consultant (CHECK Team)

Hiring Organisation
Matchtech Mobility
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £580 per day
Team) to join a client on a short-term contract basis. This is an excellent opportunity for a hands-on security professional with strong penetration testing experience to support a variety of security assessment activities across enterprise systems and applications. Key Responsibilities Conduct penetration testing … technical reports and remediation recommendations Work closely with technical and project teams to improve security posture Support risk assessments and security assurance activities Ensure testing activities align with industry standards and best practices Essential Skills & Experience Demonstrable experience delivering penetration testing engagements Strong understanding of infrastructure, network ...

Senior Cybersecurity Engineer

Hiring Organisation
Houlihan Lokey
Location
London, UK
Employment Type
Full-time
architecting a control as they are leading the response to a live incident. Strong incident response experience is a significant asset for this role; penetration testing exposure is a plus. It's an ideal opportunity for an experienced engineer who wants to help shape the security posture … client information, deal data, and material non-public information (MNPI), including DLP, encryption, and secure collaboration tooling. Support and help scope internal and external penetration testing and red team engagements, including remediation validation and retesting. Contribute to third-party/vendor risk assessments, particularly for vendors supporting sensitive ...

Manager, Support Engineering, Identity and Access Management

Hiring Organisation
Amazon
Location
London, UK
Employment Type
Full-time
combination of the following: application security frameworks, identity and access controls, incident response, mobile security, cloud computing and security, AI security, threat intelligence, and penetration testing- Experience managing competing priorities and using metrics to drive business decisions- Bachelor's degree or above in Computer Science, Computer Engineering, Cybersecurity … with equivalent introductory technical domain knowledgePreferred qualification - Experience in any combination of the following: application security frameworks, security code reviews, incident response, secure infrastructure, penetration testing, mobile security, cloud security, AI security, identity and access controls, threat modeling, cryptography, threat intelligence, or secure software development- Experience ...