1 to 25 of 147 Permanent Security Testing Jobs in London

Senior Cyber Security Risk Assessment Consultant

Hiring Organisation
Salt Search
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £540.00 per day
Senior Cyber Security Risk Assessment Consultant - DAST/SAST/OWASP Location: London Contract: Long-term contract - 12 months Working Model: Hybrid Hiring: Multiple positions available Rate: £500 - £540 per day (Inside IR35 - must use umbrella) The Opportunity We are looking for experienced Senior Cyber Security Risk Assessment … Consultants to join a major Cyber & Information Security function within a global financial services environment. You will provide security expertise across a broad portfolio of business and technology projects, working closely with architects, engineers, developers, project teams, risk management and business stakeholders. A key part of the position ...

Penetration Tester

Location
Greater London, England, United Kingdom
talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. Department: Data & Technology Solutions (DTS) Reports To: SVP Security and Compliance Location: [London/Hybrid 2 days a week in office] Position Type: Full-Time Role Overview The Product, Application and Offensive Security Engineer is responsible for embedding security directly into the design, development, testing, and operation of DTS products and platforms. This is a hands-on security engineering role. The role requires someone who can work directly with product and engineering teams, review designs, assess APIs, run threat ...

Senior Application Security Engineer / DevSecOps Engineer

Location
Greater London, England, United Kingdom
have a background in Application Security, DevSecOps or Product Security, with hands:on experience embedding application security into the SDLC? If so, this could be an opportunity worth considering.Join a well:established health research organisation and charity supporting large:scale medical research. You will work closely with … engineering, architecture and cloud teams to integrate security throughout the software development lifecycle. Microsoft Azure and KQL experience are essential, alongside relevant experience in CI/CD, Kubernetes, API security, security:as:code and security automation. This is a hands:on application security role focused ...

Security Tester

Location
City Of London, England, United Kingdom
Security Tester, Oracle Cloud Infrastructure – London, UK Up to £1,000 per day, depending on experience 12-month contract engagement London, hybrid working with 4 to 5 days per week onsite Active eDV clearance required ABOUT THE CLIENT Our client is a major technology and consulting organisation delivering … high-profile cloud transformation programme within a secure environment. They are looking for an experienced Security Tester to strengthen security assurance across Oracle Cloud Infrastructure, architecture, networks and access controls. THE BENEFITS Work on a complex, high-profile cloud programme Collaborate with experienced architecture, engineering and security ...

Security Tester

Hiring Organisation
Searchability NS&D
Location
City of London, London, United Kingdom
Security Tester, Oracle Cloud Infrastructure – London, UK Up to £1,000 per day, depending on experience 12-month contract engagement London, hybrid working with 4 to 5 days per week onsite Active eDV clearance required ABOUT THE CLIENT Our client is a major technology and consulting organisation delivering … high-profile cloud transformation programme within a secure environment. They are looking for an experienced Security Tester to strengthen security assurance across Oracle Cloud Infrastructure, architecture, networks and access controls. THE BENEFITS Work on a complex, high-profile cloud programme Collaborate with experienced architecture, engineering and security ...

Security development & Test Manager

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
team you'll be working with: Security Development and Test ManagerLocation: Birmingham – Hybrid | Clearance: UK SC clearableIndustry Focus: Telecommunications (CNI)Scope: Hybrid Multi-Cloud (GCP, AWS, Azure, OCI) & On-premises Data CentresAbout UsNTT DATA is one of the world's largest global security services providers with over … security experts. We partner with leading security technology providers and support organisations in building secure and sustainable digital solutions. Our people are at the heart of everything we do — we work together to drive innovation and deliver exceptional outcomes. What you'll be doing: As the Security ...

Manager, Security Threat, Vulnerability and Testing (m/f/d)

Location
Greater London, England, United Kingdom
Manager, Security Threat, Vulnerability and Testing (m/f/d) Job Description Manager, Security Threat, Vulnerability and Testing (m/f/d) IN SHORT As Senior Manager, Security Threat, Vulnerability & Testing , you will lead SEFE's enterprise threat intelligence, vulnerability management, security testing, and proactive threat detection capabilities. Working across cyber, operational technology (OT), physical security, and people security domains, you will ensure emerging threats and vulnerabilities are identified early, prioritised appropriately, and addressed in line with business risk, resilience, and regulatory requirements. WHAT WILL ...

Senior Technical Security Consultant - H&PS

Hiring Organisation
Accenture
Location
London, UK
Employment Type
Full-time
Senior Technical Security Consultant - H&PS Location Flexible: UK (With Client Travel) Career Level: Manager Salary: Competitive Salary & Package (Dependent on Experience) Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address history (typically including … next level. Do you want to work in an environment where you will be part of a thriving team working on the most complex security challenges in the UK health, public sector, Defence and Central Government. You'll learn, grow and advance in an innovative culture that thrives ...

Senior Application Security Engineer

Hiring Organisation
TripleLift
Location
London, UK
Employment Type
Full-time
diverse spending goals and are committed to economic inclusion. Find out how TripleLift raises up the programmatic ecosystem at triplelift.com. OverviewThe Senior Application Security Engineer plays a critical role in driving secure software development and application security maturity within TripleLift's Engineering and Security organization, directly influencing … platforms and the trust our publishers and advertisers place in us. In this position, you will partner closely with Engineering, Platform, Cloud Infrastructure, and Security teams to shape secure coding practices, application security tooling, vulnerability remediation, and CI/CD security, ensuring security is embedded into ...

Cyber Security Consultant (Penetration Tester)

Hiring Organisation
REX Cyber Security
Location
London Area, United Kingdom
Cyber Security Consultant – Penetration Testing London | Hybrid – 2 days per week in the office £45,000–£55,000 + Benefits We're working with a leading global professional services company that is investing significantly in the growth of its Cyber Risk Advisory practice and is looking to hire … Cyber Security Consultant with a strong background in penetration testing and technical security assessments . This is a predominantly hands-on technical role, with around 70% of your time focused on technical security delivery , including penetration testing across web applications, APIs and internal/external ...

Senior Application Security Engineer - DevSecOps & Cloud Security

Hiring Organisation
Additional Resources
Location
London, UK
Employment Type
Full-time
/070467Job Type: Full-time, PermanentSalary: 70,000 - 80,000Location: LondonSector: ITPosted: 2026-07-02An opportunity has arisen for a Senior Application Security Engineer to join a well-established health research organisation and charity that supports large-scale medical research to improve disease prevention, diagnosis and treatment. … Senior Application Security Engineer, you will play a key part in integrating security throughout the software development lifecycle, working alongside engineering and cloud teams to build, improve and maintain secure applications, platforms and deployment processes. This is not a traditional vulnerability management role, it is a hands ...

Security Architect

Location
Greater London, England, United Kingdom
Security Architect, Oracle Cloud Infrastructure – London, UK London based role, 4-5 days per week onsite 12-month contract engagement Day rate up to £1,000 DoE Active eDV clearance required ABOUT THE CLIENT Our client is delivering a complex, security-sensitive cloud programme within a highly regulated … environment. This is an opportunity to shape and assure critical security architecture while working alongside experienced engineering, architecture and testing teams. THE SECURITY ARCHITECT ROLE You will develop and assure security architecture for solutions hosted on Oracle Cloud Infrastructure. You will translate security requirements into ...

Principal Security Engineer, SDO AppSec EMEA

Hiring Organisation
Amazon
Location
London, UK
Employment Type
Full-time
Principal Security Engineer in the Appstar organization, you lead application security reviews across complex systems, identify and advise on critical security risks, and mentor the broader security engineering team. You own security outcomes that reduce persistent risks and proactively shape organization-level security posture. … responsible for establishing and maintaining the enterprise-wide application security review methodology — including threat modelling philosophy, security testing standards, and remediation validation. You design security patterns and standards that serve as the foundation for secure development across all engineering organizations, with a focus on increasing automation ...

Senior Application Security Analyst - L3

Hiring Organisation
Global Relay
Location
London, UK
Employment Type
Full-time
backgrounds and foster a work environment that encourages employees to collaborate and learn from each other, completely free of barriers. Job PurposeThe Senior Application Security Specialist is a senior technical role leading advanced application security testing, complex vulnerability analysis and threat modelling across the Application & Product Security function. You will provide technical leadership, mentor analysts and specialists, act as a security point of contact for engineering, and contribute to security strategy and standards. Scope & AutonomyLeads testing workstreams and sets the technical approach for complex assessments; acts as an escalation point for L1/ ...

Lead InfoSec Engineer, DevSecOps

Hiring Organisation
S&P Global
Location
London, UK
Employment Type
Full-time
adoption, and regulatory exposure. To support secure delivery across multiple product lines, there is a critical need for a senior DevSecOps role that embeds security directly into engineering platforms, CI/CD pipelines, and developer workflows. This role addresses the growing complexity of cloud-native applications, containerized workloads … automated delivery pipelines by providing hands-on technical leadership focused on secure-by-default developer experiences and scalable internal security tooling. Responsibilities and Impact: Embed automated security controls into CI/CD pipelines across build, test, and release stages, designing risk-based security gates and integrating comprehensive ...

Security Architect

Hiring Organisation
Searchability NS&D
Location
London Area, United Kingdom
Security Architect, Oracle Cloud Infrastructure – London, UK London based role, 4-5 days per week onsite 12-month contract engagement Day rate up to £1,000 DoE Active eDV clearance required ABOUT THE CLIENT Our client is delivering a complex, security-sensitive cloud programme within a highly regulated … environment. This is an opportunity to shape and assure critical security architecture while working alongside experienced engineering, architecture and testing teams. THE SECURITY ARCHITECT ROLE You will develop and assure security architecture for solutions hosted on Oracle Cloud Infrastructure. You will translate security requirements into ...

Artificial Intelligence (AI) Offensive Security Analyst

Location
Greater London, England, United Kingdom
problem solver who seeks passion in your work, come join us. We'll enable growth and progress together. Why ThisTeam The Chief Information Security Office (CISO) is home to deeply talented colleagues that work to ensure the safety of Citi's clients', our revenue, our employees and our proprietary … data. We manage information security as one end-to end program – one with a clear mandate and accountability. Our mission is a program that is fully anchored to modern control and architectural frameworks, is fully aligned with the enterprise architecture of the firm and is deeply integrated into ...

Security Program Manager, AWS DC Security

Location
Greater London, England, United Kingdom
looking for talented people who want to help. You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You’ll collaborate with people across AWS to help us deliver the highest standards for safety and security … customers. And you’ll experience an inclusive culture that welcomes bold ideas and empowers you to own them to completion. AWS DC Security is looking for a Security Program Manager (SPM) to join our team. This is a partially hands‐on role responsible for physical security hardware ...

Senior Cloud Security Engineer (GCP) - Engine by Starling

Location
Greater London, England, United Kingdom
able to interact and collaborate in person. About Engineering at Engine by Starling — https://enginebystarling.com/careers/engineering/As a Security Engineer at Engine, you'll be working on helping to keep our infrastructure secure and compliant and our staff safe and productive. … working on projects covering identity and access management, cloud and network security, vulnerability management, security monitoring, security hardening, compliance reviews, and more. It's a very varied role with lots of close interaction with the infrastructure, security engineering, cross-cutting and compliance teams. We are looking ...

Operational & Technical Testing Lead-NW

Location
Greater London, England, United Kingdom
What you’ll do Operational & Technical Testing Lead – Networks is responsible for delivering security control testing across Vodafone’s mobile and fixed telecommunications network environments, validating control effectiveness through structured testing approaches and best practices. As an individual contributor, the role requires deep network security expertise to define metrics, measure KPIs and KRIs, track remediation and collaborate with cross‐functional teams to strengthen Vodafone’s network security posture. They are responsible for working with the wider cyber security and network architecture subject matter experts (SME) to ensure they design solutions that balance ...

Security Architect – Entra ID, MS, Azure

Location
Greater London, England, United Kingdom
Establish and maintain security architecture principles, patterns, standards and control requirements Define security design-assurance criteria and assess technical designs against agreed requirements Assess threats, risks, vulnerabilities and control gaps across current, coexistence, transition and target states Develop security controls for coexistence between existing environments … target services Define and assure Zero Trust principles across identity, devices, applications, data and network access Establish security patterns for identity protection, privileged access, least privilege, Conditional Access and administrative boundaries Define security requirements for endpoint, email, Microsoft 365, data, application and network architectures Establish requirements for logging ...

Staff Product Security Engineer

Location
Greater London, England, United Kingdom
Staff Product Security Engineer Who we are We’re doxy.me (doc-see-me), the world's most loved telemedicine solution, and we're on a mission to connect the world to the future of healthcare. We believe that cost and complexity should never be a barrier to telemedicine. That … person collaboration (Austin, TX, Boston, MA, Charleston, SC, Salt Lake City, UT & London, UK). Who you are We’re seeking a Staff Product Security Engineer who thrives on making an impact by being part of a team that ensures that Doxy.me is safe, secure, and compliant over time ...

Security Architect (Entra ID/Microsoft Azure)

Location
Greater London, England, United Kingdom
looking for an experienced Security Architect to join a major technology transformation programme and provide security architecture leadership across the full transformation lifecycle This is a key role responsible for defining and assuring the security architecture across identity, endpoints, Microsoft 365, applications, infrastructure, networks and migration activities … will work at the intersection of security, architecture and delivery, ensuring that appropriate security controls are embedded into both coexistence and target-state designs without creating unnecessary barriers to practical delivery The programme will involve significant technology change and will need to operate across existing environments while progressively ...

Security Architect - Entra ID/MS/Azure

Location
Greater London, England, United Kingdom
significant private sector client portfolio. Methods was acquired by the Alten Group in early 2022. About the role We are looking for an experienced Security Architect to join a major technology transformation programme and provide security architecture leadership across the full transformation lifecycle. This is a key role … responsible for defining and assuring the security architecture across identity, endpoints, Microsoft 365, applications, infrastructure, networks and migration activities . You will work at the intersection of security, architecture and delivery, ensuring that appropriate security controls are embedded into both coexistence and target-state designs without creating ...

Head of Quality Engineering

Location
Greater London, England, United Kingdom
lead our enterprise quality strategy across Product and Technology. This is a high-impact leadership role where you will set the direction for testing, automation, performance, security and AI-driven quality engineering, helping us deliver faster, safer and more reliable technology for our customers and colleagues. Why join … collaboration A purpose-led, people-first culture where inclusion, learning and development are genuinely prioritised Opportunities to shape modern engineering practices across automation, AI, security and performance testing Career and skills development in a business recognised for colleague growth and workplace culture Employee resource groups and colleague ...