26 to 50 of 82 Application Security Jobs in the UK

Position: Application Security Location: Remote Rate: Outside IR35 - £500 - £600 Length: 6 months Role We are seeking an experienced DevSecOps Security Engineer to design and implement an application security capability that enables secure software delivery while minimising disruption to development teams. The successful candidate will … work closely with developers, DevOps engineers and technology stakeholders to understand existing development practices, introduce practical security controls, deploy application security tooling, and establish processes for identifying, prioritising and remediating vulnerabilities across applications, source code and cloud-native workloads. The role will focus on embedding security ...

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 ...

Overview The Senior CyberSecurity Engineer will own the hands-on technical security of a leading healthcare and dental care provider's web estate, Azure cloud infrastructure, and emerging AI services. Reporting to the Director of IT, this role sits at the intersection of infra, product, and delivery teams. … focus is keeping the organisation secure without slowing it down - hardening web ingress controls, securing identity and access, and building security guardrails for AI adoption. Day-to-day security monitoring is handled by our SOC team; this role goes deeper: owning Azure security posture, managing ...

Cyber Security Engineer, Cloud Security, SIEM, Incident Response, COR7555 An exciting opportunity has arisen for a Cyber Security Engineer to join a growing technology company based in Oxfordshire, working on a hybrid basis.This is a hands-on role focused on strengthening cyber security across cloud platforms … applications and business systems. Working closely with the CIO and development teams, the Cyber Security Engineer will play a key role in improving cloud security, incident response, vulnerability management, security monitoring and secure development practices, helping to enhance the organisation's overall cyber resilience.The company develops innovative ...

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 ...

seeking an experienced Senior Security Engineer to design, implement, and enhance security solutions across a modern technology estate. You'll act as a technical expert, helping to strengthen security controls, reduce risk, and support business-critical projects. Client Details Our client is a large international organisation investing … technology, cloud adoption, and cybersecurity. They offer a collaborative environment, strong career progression, and exposure to large-scale transformation programmes. Description Design and implement security architectures and controls. Drive security best practices across projects and operations. Lead threat modelling, risk assessments, and security reviews. Support cloud, infrastructure ...

Veeva Systems, Inc. is seeking an Application Security Architect to provide security guidance to product engineering and IT, design secure solutions, drive security best practices, and establish architecture standards. You will partner with security leads to grow the security program, mentor junior members, present … steering committees and engineering teams, and promote security awareness company wide. #J-18808-Ljbffr ...

Contract Cyber Security Consultant Reading HQ 3-4 days a week onsite Security clearance is essential Up to £104 p/h Inside IR35 We are seeking an experienced security cleared Cyber Security Consultant professional to play a key role in a large scale, complex technology … programme operating within a highly regulated environment. This position is responsible for assuring the security, compliance, and resilience of applications, infrastructure, and cloud environments throughout their lifecycle, ensuring adherence to Security by Design principles and industry best practices Key Responsibilities Provide independent assurance for applications, infrastructure, and cloud ...

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 ...

summary NHS England's Chief Information Security Office (CISO) Function's purpose is to enable safe care and build public trust by strengthening the cyber resilience of the NHS. The CISO supports the Technology Digital and Data Directorate's purpose of delivering the best care and outcomes for patients … enables faster, safer digital transformation of the NHS. The Cyber Security Advisor sits in the Secure Consultancy Team and works closely with programmes, project teams and DevOps teams to ensure systems are underpinned by resilient architectures. They provide clear, actionable cyber security guidance, support the identification and management ...

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 ...

Synthesia is hiring an Engineering Manager for their Application Security team to drive the security strategy in a rapidly growing AI company. The role involves leading a skilled team of security engineers and ensures the integration of security practices into the development lifecycle. Your experience … application security and effective team management, along with a strong technical foundation, will be pivotal for shaping the team's success. Join Synthesia for a flexible, remote-friendly position. #J-18808-Ljbffr ...

Cyber Security Officer needed in East London Paying £371.04 per day ref 133632 Full time hours on a temporary basis Key Responsibilities Security Monitoring Maintain visibility of the organisation's security posture through continuous monitoring of security tools, including CrowdStrike Falcon and other log management … monitoring platforms. Review, investigate, and triage security alerts, escalating incidents where appropriate. Assist in identifying potential threats and vulnerabilities affecting business operations. Compliance & Governance Support Support the organisation's cyber security governance framework and compliance activities. Assist in maintaining alignment with recognised security frameworks such ...

Cyber Security Analyst (Contract) Location: Cheltenham (Ideally 1 day per week onsite) Contract: 6 Months Rate: £300 per day (Inside IR35) The Opportunity Our client, a leading organisation, is looking for an experienced Cyber Security Analyst to join a high-profile programme on an initial six-month contract. … This role is heavily focused on technical application security assessments , supporting a major project by reviewing a large volume of applications and ensuring they meet security standards before deployment. Whilst there is some exposure to Cyber Incident Response activities, this is very much a hands-on security ...

Unusual Ventures, Citi Ventures, and more. As AI accelerates code creation, the real bottleneck has shifted to everything after the code – testing, deployments, application security, reliability, compliance, and cost optimization. Harness brings AI and automation to this “outer loop,” helping teams ship software faster while maintaining security … governance and policy-driven controls embedded throughout the platform. Over the past year, Harness powered over 185M deployments, 82M builds, 18T flag evaluations, 8M security scans, 9.1B optimized tests, 3T protected API calls, and helped manage $2.8B in cloud spend — enabling customers like United Airlines, Morningstar, and Choice Hotels ...

Akamai Security Engineer - 6 Month Contract - Inside IR35 - Hybrid in London Contract Type: Initial 6 month contract (Inside IR35) Rate: £550 per day Inside IR35 Location: Hybrid in London Role Overview: We are looking for an Akamai Security Engineer to join on a 6-month hybrid contract based … London (2-3 days on-site), with an on-call requirement. The role is responsible for implementing, tuning, and managing Akamai security solutions to protect web applications, APIs, and digital assets from evolving cyber threats, working closely with application owners, Network, Security, and SOC stakeholders. Key Responsibilities ...

Overview As a global leader in application and API security, F5 is expanding its capabilities into AI Runtime Security, ensuring organizations can safely operationalize Generative AI across critical business workflows. The Enterprise Account Executive, AI Security: Financial Services is responsible for winning new logo and expansion … business with Tier‐1 and Tier‐2 financial institutions, selling complex AI security deals, sitting at the intersection of securing AI inference, agentic systems, and enterprise LLM deployments. Working with F5’s AI Runtime Security portfolio (formerly CalypsoAI), you will earn credibility with senior security, risk ...

security tooling. Working in partnership with leaders at Comcast, youll guide cross-functional efforts at enterprise scale. As the team lead of AppSec Tooling, youll oversee software that helps catalogue and prioritise vulnerability data, leveraging AI where possible to create performance multipliers. Our team currently consists … Security Posture Management tool and a Cybersecurity Toolbox, used by internal employees to help track and manage vulnerabilities. What? youll do The AppSec Tooling Manager will own andmaintainthe stability and scaling of our plat f orms. Y oull be responsible for m anaging day to day operations ...

security tooling. Working in partnership with leaders at Comcast, you’ll guide cross-functional efforts at enterprise scale. As the team lead of AppSec Tooling, you’ll oversee software that helps catalogue and prioritise vulnerability data, leveraging AI where possible to create performance multipliers. Our team currently consists … Security Posture Management tool and a Cybersecurity Toolbox, used by internal employees to help track and manage vulnerabilities. What you’ll do The AppSec Tooling Manager will own and maintain the stability and scaling of our platforms. You’ll be responsible for managing day to day operations ...

Head of Security Architecture Full-time (Permanent) Circa £105,000 to £114,000 plus great benefits Manchester Published on 10 July 2026 Deadline 21 July 2026 Circa £105,000 to £114,000 plus private healthcare, company car or £6,000 car allowance and more great benefits (Work Level … working so we can deliver even better services for our Co‐op, our colleagues, members and customers. We’re looking for a Head of Security Architecture to join our Digital, Technology & Data team in Manchester. In this role, you’ll lead how security is designed into everything ...