101 to 125 of 518 Penetration Testing Jobs in the UK

Senior Cybersecurity Tester / Researcher

Hiring Organisation
UK Telecoms lab
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent, Part Time
senior member of the team, youll also play an important role in supporting and mentoring others, helping to develop the next generation of security testing specialists. What Youll Be Doing Lead and deliver security assessments across complex hardware, software, and telecoms systems. Conduct hands-on penetration testing within a dedicated in-house lab environment, ensuring safe and controlled testing. Apply advanced testing techniques including both positive and negative approaches (e.g. fuzzing) to rigorously assess network functions and protocols. Identify, investigate, and clearly articulate vulnerabilities and security risks to both technical and non-technical audiences. Develop ...

Senior Cybersecurity Consultant

Location
Greater London, England, United Kingdom
will conduct security assessments, design security architectures, and help clients build security programs that meet regulatory requirements without creating operational friction. Responsibilities Lead penetration testing and vulnerability assessment engagements Design security architectures for cloud-native and hybrid environments Develop security compliance programs (SOC 2, ISO 27001, GDPR) Conduct … tabletop exercises Advise C-level executives on security strategy and risk management Requirements 8+ years in information security with consulting experience Deep expertise in penetration testing, vulnerability management, and threat modeling Knowledge of compliance frameworks: SOC 2, ISO 27001, GDPR, PCI-DSS Experience with cloud security (AWS Security ...

Penetration Tester - Hybrid UK, CHECK-Ready

Location
Southampton, England, United Kingdom
Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, training and managed security services. We are growing our penetration testing team and seeking a Security Consultant to join our CHECK/CREST-aligned practice. You will deliver a broad range of assessments, including … infrastructure and web app testing, cloud security reviews and high-quality reporting to clients across public and private sectors. #J-18808-Ljbffr ...

Security Consultant: Penetration Testing (Hybrid UK)

Location
Aberdeen City, Scotland, United Kingdom
Citation Cyber seeks a Security Consultant (Penetration Testing) to join our hybrid UK team, delivering a range of security assessments across client environments and producing clear reports with remediation recommendations. Essential experience includes consultancy pentest work, strong reporting, Windows/Linux/AD knowledge, cloud security testing ...

Technical Cyber Security Advisory, Vice President

Hiring Organisation
State Street Bank
Location
London, UK
Employment Type
Full-time
challenge to business, technology, and cyber teams on cyber security matters. Review complex cyber issues and support solution design, including findings from offensive security testing, vulnerability management, incident lessons learned, and architecture reviews. Translate security insights into practical risk based remediation plans that reduce risk exposure for the organization. … engage senior engineers, architects, offensive security specialists, risk teams, and senior business stakeholders. Practical offensive security awareness, including attack paths, common enterprise weaknesses, penetration testing outputs, red/purple team findings, exploitability, and risk-based remediation. Security solution architecture knowledge across cloud, identity and access management, network security ...

Senior Mobile Security Developer - Contract (Inside IR35)

Location
Greater London, England, United Kingdom
aspects of the role include: Design and Delivery of a World-Class Security Framework: Lead the design and delivery of security services, including mobile penetration testing, research, consultancy, and advisory engagements. Technical Strategy & Architecture: Define secure technical approaches, identify risks, and develop effective threat models and mitigation strategies. … Expertise: Strong hands-on knowledge of Android and iOS security fundamentals, common mobile threats and vulnerabilities, security architecture, controls, and mitigation techniques. Mobile Security Testing: Practical experience in mobile penetration testing, security assessments, threat modelling, and implementing or assessing security controls. Security Problem Solving: A systematic ...

Senior Application Security Engineer (Remote)

Location
Greater London, England, United Kingdom
will focus on finding and responding to security vulnerabilities across the Brex platform. In this role, you will perform code reviews, design reviews, penetration testing, and vulnerability management. You will develop and maintain tooling to perform static and dynamic testing of the Brex platform and tooling which … with Security Operations, GRC, Product Security, Front End Platform, IT Infrastructure teams. We're looking for individuals with a strong background and interest in penetration testing. You should have a demonstrated ability to find vulnerabilities in complex systems and craft exploits to demonstrate business impact. This role is highly ...

Advanced Research Engineer - Cyber Security

Location
Coventry, England, United Kingdom
This role is ideal for a cyber security professional with experience in OT, IT or industrial environments who enjoys technical problem‐solving, hands‐on testing and working with cutting‐edge technologies. What You'll Be Doing Perform cyber security assessments and testing activities to identify vulnerabilities within connected … manufacturing systems. Support penetration testing and security analysis of industrial equipment, networks and emerging manufacturing technologies. Develop and maintain OT cyber security testbeds that demonstrate industry best practice in areas such as asset management, network monitoring and threat detection. Design and implement secure‐by‐design ...

Senior Ethical Hacker

Hiring Organisation
Stantec
Location
London, United Kingdom
Salary
Confidential
that could help engineering teams meet remediation goals.Create and verbally present your test findings in debrief meetings with the C-Suite or sponsors.Cloud ApplicationConduct penetration tests on cloud systems, applications and APIs to identify vulnerabilities.Assess cloud/application specific configurations, access controls, and encryption mechanisms.Validate and exploit security findings … Capabilities and CredentialsMinimum 5-7+ years working in some aspect of cybersecurity (Offensive Security, Red Teamexperience preferred).Proficient with manual web/cloud penetration testing without using any tools.Proficient writing custom attack tools in Python, PHP, Golang and Bash Scripting.Proficient with interception proxies and attacking manually ...

Senior Ethical Hacker

Hiring Organisation
Stantec
Location
London, UK
Employment Type
Full-time
help engineering teams meet remediation goals. Create and verbally present your test findings in debrief meetings with the C-Suite or sponsors. Cloud ApplicationConduct penetration tests on cloud systems, applications and APIs to identify vulnerabilities. Assess cloud/application specific configurations, access controls, and encryption mechanisms. Validate and exploit … Capabilities and CredentialsMinimum 5-7+ years working in some aspect of cybersecurity (Offensive Security, Red Teamexperience preferred).Proficient with manual web/cloud penetration testing without using any tools. Proficient writing custom attack tools in Python, PHP, Golang and Bash Scripting. Proficient with interception proxies and attacking ...

Security Assurance Lead

Location
Greater London, England, United Kingdom
configuration assessments, security hardening reviews and production security assessments. Prioritising, designing and then resolving the findings of threat models and security assurance assessments. Coordinate penetration testing activities, review findings with technical teams and ensure remediation plans are agreed, prioritised and tracked. Assess implementation plans, technical designs and solution … applying methodologies such as STRIDE. Experience carrying out security assurance activities, including solution reviews, security assessments, configuration reviews and security hardening. Experience coordinating penetration testing activities and managing the remediation of identified vulnerabilities. A good understanding of Secure by Design principles and the ability to apply them throughout ...

Security Assurance Lead

Hiring Organisation
Spencer Rose Ltd
Location
Bristol, Somerset, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 Annual
delivery teams and stakeholders. Facilitate threat modelling workshops and conduct security risk assessments. Perform security assurance activities, including architecture, design and configuration reviews. Coordinate penetration testing and support remediation of identified vulnerabilities. Advise on application, cloud and platform security across AWS and Azure environments. Support and improve … Security Engineering. Threat modelling experience, including STRIDE and Data Flow Diagrams (DFDs). Security assurance, architecture review and risk assessment experience. Experience coordinating penetration testing and vulnerability remediation. Knowledge of Secure by Design principles. Strong understanding of security frameworks such as ISO 27001 and NIST. Experience with ...

Security Assurance Lead

Hiring Organisation
Spencer Rose Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 Annual
delivery teams and stakeholders. Facilitate threat modelling workshops and conduct security risk assessments. Perform security assurance activities, including architecture, design and configuration reviews. Coordinate penetration testing and support remediation of identified vulnerabilities. Advise on application, cloud and platform security across AWS and Azure environments. Support and improve … Security Engineering. Threat modelling experience, including STRIDE and Data Flow Diagrams (DFDs). Security assurance, architecture review and risk assessment experience. Experience coordinating penetration testing and vulnerability remediation. Knowledge of Secure by Design principles. Strong understanding of security frameworks such as ISO 27001 and NIST. Experience with ...

Senior Test Engineer

Hiring Organisation
Hackajob Ltd
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent, Part Time, Work From Home
standard range are managed through governance controls to protect internal equity. Your impact Are you ready to take the next step in your testing career and lead the delivery of secure, high-quality test solutions? Our Senior Test Engineers combine deep technical knowledge with leadership, driving the design, execution … support the transition of UK emergency services from the Airwave network to ESN. Working within an agile delivery environment, you will lead and execute testing activities across system, integration, interoperability, acceptance and non-functional test phases, ensuring that the solution meets demanding operational, security, performance and resilience requirements. ...

Senior Penetration Tester - CHECK, Cloud & App Security

Location
Belfast, Northern Ireland, United Kingdom
leading software security firm in Belfast is seeking a Senior Penetration Tester to join their team. In this hands-on role, you'll engage in delivering high-quality penetration testing across various sectors, identify and remediate security weaknesses, and mentor junior testers. Essential skills include current security … clearance, at least 2 years of penetration testing experience, and proficiency with tools like BurpSuite Pro and Nmap. The position offers flexible working arrangements, an annual performance bonus, and extensive benefits including a competitive pension and private healthcare. #J-18808-Ljbffr ...

Security Consultant: Penetration Testing & Cloud Security

Location
City of Edinburgh, Scotland, United Kingdom
Citation Cyber is seeking a Security Consultant (Penetration Testing) to join our expanding team. You'll deliver a range of security assessments across client environments, identifying vulnerabilities and helping strengthen cyber resilience in hybrid UK engagements. The role requires experience in infrastructure and web app testing, reporting ...

Security Engineer

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
evolving environment. You'll play a key role in strengthening the organisation's cyber security capabilities while helping prepare the environment for an upcoming penetration test programme over the next 3-6 months. The team are looking for someone who can work autonomously, identify potential weaknesses before they become … Microsoft security ecosystem. Identify security gaps and drive remediation activities to improve overall security posture. Support the preparation, coordination and remediation of external penetration testing engagements. Implement and manage identity, access management and privileged access controls. Configure and maintain Conditional Access, RBAC and Privileged Identity Management controls. Improve ...

Security Engineer

Hiring Organisation
Pontoon
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
evolving environment. You'll play a key role in strengthening the organisation's cyber security capabilities while helping prepare the environment for an upcoming penetration test programme over the next 3-6 months. The team are looking for someone who can work autonomously, identify potential weaknesses before they become … Microsoft security ecosystem. Identify security gaps and drive remediation activities to improve overall security posture. Support the preparation, coordination and remediation of external penetration testing engagements. Implement and manage identity, access management and privileged access controls. Configure and maintain Conditional Access, RBAC and Privileged Identity Management controls. Improve ...

Security Consultant: Penetration Testing & Hybrid Work

Location
Bath, England, United Kingdom
Citation Cyber is seeking a Security Consultant (Penetration Testing) in the UK on a hybrid basis. You will perform infrastructure and web application testing, cloud security assessments, and deliver clear reports with remediation guidance. The role requires experience in consultancy, strong reporting, and excellent communication. We value ...

Security Consultant: Pen Testing & Cloud Security

Location
Cambridge, England, United Kingdom
Citation Cyber is a leading UK security consultancy delivering penetration testing, certification, consultancy and managed security services. We are expanding our penetration testing team and seek a Security Consultant to join on a hybrid UK basis, with current SC preferred. You will conduct infrastructure … testing, deliver clear reports, and present remediation guidance to clients, while contributing to tooling and knowledge sharing in a collaborative environment. #J-18808-Ljbffr ...

Penetration Tester - Hands-On Security & Reporting Pro

Location
Cardiff, Wales, United Kingdom
Guideposts Trust Limited is seeking a skilled Penetration Tester to join our expanding team in the United Kingdom. The role focuses on manual penetration testing across multiple disciplines, with reporting to a high standard and clear communication to non-technical audiences. We require a minimum … years’ experience in penetration testing, along with a relevant degree in cyber security or related field. Some travel to client sites will be necessary. #J-18808-Ljbffr ...

Security Consultant – Penetration Testing (Hybrid, CHECK Path)

Location
Slough, England, United Kingdom
Citation Cyber is seeking a Security Consultant to join its penetration testing team in a hybrid UK role. You will deliver security assessments across client environments, producing thorough reports and presenting remediation recommendations to clients. Ideal candidates will have consultancy or equivalent experience in infrastructure … pentesting, strong reporting skills, and familiarity with Windows, Linux, AD, and cloud security testing (Azure/AWS). #J-18808-Ljbffr ...

Security Consultant: Pen Testing & Growth (Hybrid UK)

Location
Manchester, England, United Kingdom
Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, certifications, training and managed security services. We are expanding our penetration testing team with opportunities for CHECK status advancement and senior technical roles. You will join a hybrid UK team, performing infrastructure ...

Senior Security Architect (Active SC Clearance)

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£550 - £600 per day + Outside IR35
security design reviews. Identifying security risks and recommending effective mitigation strategies. Supporting cloud-first solutions across Azure and wider multi-cloud environments. Reviewing penetration testing and IT Health Check outcomes and developing remediation plans. Working closely with engineering, assurance and risk teams to validate security controls. Producing high … Identity & Access Management. Experience securing cloud-native and microservices-based architectures. Strong background in threat modelling, risk analysis and security assurance. Experience supporting penetration testing and control effectiveness reviews. Desirable Certifications CISSP CISM SABSA TOGAF Azure Solutions Architect Reasonable Adjustments: Respect and equality are core values to us. ...

Security Analyst | Cyber Security | Hybrid

Hiring Organisation
Cyber Talent Limited
Location
Lutterworth, Leicestershire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Service (SaaS) platforms. Implement and maintain Microsoft Defender , Microsoft Sentinel , Microsoft Purview , and other security technologies . Lead vulnerability management and coordinate penetration testing activities. Secure Microsoft 365 services, including Exchange Online , SharePoint Online , OneDrive , and Microsoft Teams . Implement data protection controls, including Data Loss Prevention … security role. Strong technical expertise in Microsoft Entra ID , Microsoft Defender Suite , Microsoft Sentinel , and Microsoft Purview . Proven experience managing vulnerability scanning and penetration testing programmes. Experience supporting ISO 27001 compliance and coordinating Cyber Essentials and Cyber Essentials Plus certifications. Strong analytical, problem-solving, and risk assessment ...