1 to 25 of 46 Application Security Jobs in London

client is a global leader in DevSecOps, software supply chain security, and application security solutions, helping some of the world's largest enterprises deliver secure software at scale. As organizations continue to accelerate digital transformation and adopt cloud-native technologies, our client enables engineering and security … Development Lifecycle (SSDLC/SDLC) practices. Experience partnering with Governance, Risk, Compliance (GRC), and Security teams. Strong knowledge of: Application Security (AppSec) DevSecOps methodologies Software Supply Chain Security Cloud-native technologies Kubernetes CI/CD pipelines Container Security AI Security and emerging security ...

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. As a 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-on Application Security role centred on secure design, CI/CD security ...

Security Solutions Architect Location: London hybrid, office based 3 days per week Salary: £140-185K base with £180-230K OTE plus excellent benefits package About the Opportunity Our client is a global enterprise software company at the forefront of DevSecOps, Application Security, and software supply … Strong background working with large enterprise customers and complex, multi-stakeholder security environments Experience gained across one or more relevant areas, such as AppSec, DevSecOps platforms, cloud security, developer platforms, security consulting, or enterprise software Deep understanding of secure SDLC practices and how security ...

Threat Modeling program, establishing threat modeling standards, methodologies, and governance, and building a high-performing team of threat modeling professionals. You will partner with application development, cloud engineering, cybersecurity, and business stakeholders to proactively identify and mitigate security risks across the software development lifecycle, cloud environments, and emerging … technology initiatives.Why This Role Is Important To UsThe team you will be joining is part of the Security Architecture organization, a function that is critical to the firm's ability to design and deliver secure technology solutions. As cyber threats continue to evolve, threat modeling serves as a foundational ...

Head of Product Security – BPL CISO Product Security | CISO Function Department: CISO Function — Product Security Reports To: Chief Information Security Officer (CISO) The Head of Product Security leads the pillar responsible for ensuring everything the company builds and ships is secure by design. This … application security or product security, with a number of years in a leadership role managing a product security or AppSec team. Deep understanding of modern application security: OWASP Top 10, API security (REST, gRPC, GraphQL), microservices security, container security, and secure ...

Senior Cloud Security Engineer (London, Bracknell or Bristol) We are HealthHero, Europe’s largest digital clinic. Join us at a pivotal moment as we scale our digital healthcare platform across Europe — giving you the chance to shape security at the heart of a fast-growing, AI-driven business. … recruiting an exciting Senior Cloud Security Engineer on an initial 12 month fixed term contract, with a view to becoming permanent – based in either our London or Bristol office two days per week. About the role This role will form a fundamental part of a growing Platform Security ...

OPPORTUNITY We are building Watcher, a coding agent security product. We are looking for a security & control expert to help us design better threat models and control protocols against AI adversaries, and improve the effectiveness and security of Watcher. A security & control expert embedded … tests. Own technical content of customer‐facing communications during incidents. Improving security posture for product (25%) Attack surface, infrastructure, and isolation Own AppSec standards for the product engineering team (code review security checklists, dependency scanning, secrets management in CI/CD, container hardening) Own vendor security decisions ...

Company Description The Product Security team at NielsenIQ is dedicated to enhancing business application security and making product teams accountable throughout the software development lifecycle. It not only protects NIQ revenue, it also enables revenue generation through faster delivery of higher quality and more secure NIQ products. … NielsenIQ is recruiting a Senior Director of Product Security to further bolster and mature its product security programs. The successful candidate will be responsible for leading and driving the rollout of maturing security capabilities and practises across all geographies and business units. As the Senior Director ...

make a small, highly capable team punch well above its weight. We're looking for an Engineering Manager to lead and grow the AppSec team. This is not a coordination role. You’ll be leading a team of exceptionally senior and staff-level engineers who are deeply self-directed … craft — able to engage at depth on threat modelling, agentic security tooling, SDLC design, and application risk. You’ll also own AppSec strategy and be accountable for how the function scales alongside a product organisation that is growing fast and leaning heavily into AI-assisted development. Important note ...

contact data and contextual signals are trusted by thousands of revenue teams to eliminate the guesswork from prospecting. The Role At Cognism, the security of our data, our systems and our clients’ systems is a business priority. Information security is embedded in the way we work … communicate risk in business terms to exec and board audiences, and technical terms to engineers, without losing precision in either direction. Technical foundation Strong AppSec expertise (OWASP, API security, SAST/DAST, SDLC) with practical threat modelling experience – enough to challenge and coach our most senior application security ...

Software Security Engineer Salary: Up to £150,000 + Benefits Location: London (Hybrid - 3 days per week in the office) We are currently looking for a Staff Software Security Engineer to join a fast-growing, innovative technology business operating at the forefront of AI and data-driven products. … This is an exciting opportunity to join a highly collaborative, engineering-led environment where security is viewed as a key enabler of innovation. Reporting to the Head of Engineering, the Staff Security Engineer will play a pivotal role in shaping the organisation's security posture, working closely ...

Staff Security Engineer Salary: Up to £150,000 + Benefits Location: London (Hybrid - 3 days per week in the office) We are currently looking for a Staff Software Security Engineer to join a fast-growing, innovative technology business operating at the forefront of AI and data-driven products. … This is an exciting opportunity to join a highly collaborative, engineering-led environment where security is viewed as a key enabler of innovation. Reporting to the Head of Engineering, the Staff Security Engineer will play a pivotal role in shaping the organisation's security posture, working closely ...

Staff Software Security Engineer Salary: Up to £150,000 + Benefits Location: London (Hybrid - 3 days per week in the office) We are currently looking for a Staff Software Security Engineer to join a fast-growing, innovative technology business operating at the forefront of AI and data-driven … products. This is an exciting opportunity to join a highly collaborative, engineering-led environment where security is viewed as a key enabler of innovation. Reporting to the Head of Engineering, the Staff Security Engineer will play a pivotal role in shaping the organisation's security posture, working ...

Lead Software Security Engineer Salary: Up to £150,000 + Benefits Location: London (Hybrid - 3 days per week in the office) We are currently looking for a Lead Software Security Engineer to join a fast-growing, innovative technology business operating at the forefront of AI and data-driven … products. This is an exciting opportunity to join a highly collaborative, engineering-led environment where security is viewed as a key enabler of innovation. Reporting to the Head of Engineering, the Lead Security Engineer will play a pivotal role in shaping the organisation's security posture, working ...

Staff Software Security Engineer Salary: Up to £135,000 + Benefits Location: London (Hybrid – 3 days per week in the office) We are currently looking for a Staff Software Security Engineer to join a fast-growing, innovative technology business operating at the forefront of AI and data-driven … products. This is an exciting opportunity to join a highly collaborative, engineering-led environment where security is viewed as a key enabler of innovation. Reporting to the Head of Engineering, the Staff Software Security Engineer will play a pivotal role in shaping the organisation’s security posture ...

About the Role Grade Level (for internal use): 12 The DevSecOps Engineer – Artifact Management & Software Supply Chain Security focuses on securing and governing enterprise artifact and dependency management platforms. This role combines DevSecOps, application security, and cloud security to ensure that build artifacts and dependencies … security and compliance requirements. Implement and govern waiver and approval workflows for dependency and artifact usage, ensuring risk‐based decision‐making. Partner with AppSec, platform, and engineering teams to standardize secure dependency and artifact consumption patterns. Define and maintain repository architectures supporting multiple environments, teams, and trust boundaries. Enforce ...

12.07% Holiday Pay We're supporting a leading global financial services organisation seeking an experienced Senior Penetration Tester to join a high-profile cyber security initiative focused on AI-enabled vulnerability discovery, offensive security testing and application security assessment. This role combines traditional penetration testing expertise … with the use of frontier AI models and advanced security tooling to identify genuine exploitable vulnerabilities across critical applications and Internet-facing platforms. The successful candidate will play a key role in validating security findings, reducing false positives and improving remediation outcomes. Contract Details: £600 per day PAYE ...

12.07% Holiday Pay We're supporting a leading global financial services organisation seeking an experienced Senior Penetration Tester to join a high-profile cyber security initiative focused on AI-enabled vulnerability discovery, offensive security testing and application security assessment. This role combines traditional penetration testing expertise … with the use of frontier AI models and advanced security tooling to identify genuine exploitable vulnerabilities across critical applications and internet-facing platforms. The successful candidate will play a key role in validating security findings, reducing false positives and improving remediation outcomes. Contract Details: £600 per day PAYE ...

Checkmarx is the enterprise application securityleader and the host of Checkmarx OneTM — the industry -leading cloud-native AppSec platform thathelps enterprises build #DevSecTrust . Description Who are we? Checkmarxis the AI-powered application security leader helping the world’s most security- conscious enterprises secure the software … Manager to lead marketing initiatives across Northern Europe (NEUR) and the MEDEE region (Israel, Italy, Poland, and Iberia) for our Application Security (AppSec) solutions. This role is responsible for driving pipeline growth, accelerating deal velocity, and increasing brand awareness among enterprise and mid-market customers. You will work ...

Security Solutions Architect London | Hybrid A leading global financial services organisation is seeking an experienced Security Solutions Architect to join its Architecture function, shaping and delivering secure, resilient technology solutions across a complex enterprise environment. The Role You will be responsible for designing and governing security architecture … will produce high-level designs, conduct threat modelling and risk assessments, and provide architectural leadership throughout project lifecycles. Key Responsibilities Develop high-level security architecture and solution designs for enterprise technology initiatives. Evaluate emerging technologies and security tooling, providing recommendations and business justification. Conduct threat modelling, security ...

Your role at a glance As our Security Systems Engineer, you will be responsible for the management of various security systems and applications, including access control, CCTV, PSIM, and key management. This role ensures compliance with internal policies, legal, customer, and risk requirements, manages physical security audits … investigations, system operation and maintenance, and troubleshoots security applications and technologies. You will act as subject matter expert, coordinate suppliers, provide for internal and customer reporting, manage incident trouble tickets, and contribute to green field and brown field projects. What we are looking for Preferably Tyco SWH CCURE ...

Principal Security Consultant (Online) is a senior, hands‐on security specialist supporting the secure design and delivery of online and digital platforms. The role provides expert security assurance, design review, and DevSecOps guidance across web, mobile, API, and cloud‐native services hosted primarily on Microsoft Azure. … role works closely with the Business Information Security Officer (BISO) for the online domain to ensure security risks are identified early, assessed pragmatically, and managed in line with business priorities and enterprise risk appetite. What you’ll do Review and assess solution designs and architectures for online ...

Cloud Security Platform Engineer (CrowdStrike) | £70-£85p/hour (Inside IR35) | Fully remote (UK based) | 12 month contract Our client is looking for an experience Cloud Security Platform Engineer to help deliver and enhance cloud native security capabilities across multi-cloud environments. You must have strong experience … across cloud security tooling, posture management, workload protection and platform enablemen specifically within enterprise environments. What You'll Be Doing: Supporting the deployment and optimisation of cloud security platforms across enterprise cloud estates Helping define best practices around cloud security operations, alerting, dashboards, compliance, and remediation workflows ...

Technical Vulnerability Management Engineer (Offensive Security/Penetration Testing) London (3 days onsite/2 days remote) Up-to £450 per day PAYE equivalent (Inside IR35) Initial 3 months with strong expectation of long-term extension To start ASAP About the role We're supporting one of the world … leading technology companies in hiring a contractor to join their Information Security Assurance team. This is an excellent opportunity for someone with a background in penetration testing or offensive security who enjoys understanding how vulnerabilities work and helping engineering teams reduce security risk at scale. Rather than ...

Technical Vulnerability Management Engineer (Offensive Security/Penetration Testing) London (3 days onsite/2 days remote) Up-to £450 per day PAYE equivalent (Inside IR35) Initial 3 months with strong expectation of long-term extension To start ASAP About the role We're supporting one of the world … leading technology companies in hiring a contractor to join their Information Security Assurance team. This is an excellent opportunity for someone with a background in penetration testing or offensive security who enjoys understanding how vulnerabilities work and helping engineering teams reduce security risk at scale. Rather than ...