Latest Application Security Engineer Jobs

Sr. Security Researcher

This role involves conducting advanced security research, including vulnerability discovery, reverse engineering, and adversary TTP analysis, using large-scale data collection systems. The researcher will develop automated tools, operate honeypots, and publish findings while collaborating across intelligence teams. A strong background in AI/LLM integration for security workflows and independent research in adversarial techniques is essential.

CrowdStrike Germany

Sr. Security Researcher

This role involves conducting advanced security research, including vulnerability discovery, reverse engineering, and adversary TTP analysis. You'll develop automated tools for large-scale data collection, operate honeypots, and publish findings through blogs or conferences. The position emphasizes AI-driven research, collaboration across teams, and rapid response to emerging threats using an AI-first approach.

CrowdStrike

Senior Software Test Engineer

A Senior Software Test Engineer will lead test planning and execution within a cross-functional team building identity security products across frontend, backend, and mobile platforms. The role involves designing automated test frameworks, mentoring team members, and integrating quality practices into CI/CD pipelines using modern tools and cloud infrastructure. The engineer will work closely with product and development teams to ensure robust, scalable solutions powered by microservices and machine learning.

Entrust

Hybrid Permanent

Senior Software Developer

Design and develop Linux system tools for embedded HSMs, focusing on Python and C programming in a secure, multi-component environment. Work on SELinux applications, network stacks, container interactions, and secure upgrade processes for high-performance hardware. Collaborate on full-system software from device drivers to client-side APIs.

Entrust Cambridge, United Kingdom

Hybrid Permanent Clearance Required

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Cloud Security Consultant x3 (SC Cleared) UK Wide

Design and implement secure cloud solutions across public, private, and hybrid environments, aligning with client cloud strategies and zero trust principles. Develop security reference architectures, conduct threat modelling, and guide secure by design practices. Utilise automation and orchestration tools, including emerging agentic AI, while supporting and coaching cross-functional teams.

Adecco United Kingdom £70,000 – £100,000 pa

Senior Security Operations Centre Analyst

This role involves leading and supporting a team of analysts in delivering 24/7 SOC services, overseeing security monitoring and incident response, and contributing to the development of security controls and processes. You will work closely with senior stakeholders to produce security reports and support compliance activities, while also mentoring junior analysts.

Searchability NS&D Farnborough, GU14 7JT, United Kingdom £50,000 – £70,000 pa

On-site Permanent Shift-work Clearance Required

Application Support Analyst

The role involves providing technical support for business systems, applications, and databases within a housing and care services organisation. The analyst will troubleshoot issues, monitor system performance, resolve data problems, and ensure high service standards using tools like SQL and ServiceNow. Collaboration with internal teams and a focus on continuous improvement through user feedback are key aspects of the position.

Mears Exeter, United Kingdom £36,138 pa

CTL Web Application Penetration Tester (CCT App/CSTL App)

Conduct web application penetration testing as part of a security assessment team, focusing on identifying vulnerabilities in web-based systems. The role may also involve testing mobile applications and infrastructure components, with opportunities to contribute to red teaming exercises. Work is conducted remotely, supporting a boutique organisation in delivering high-assurance security testing.

Akkodis London, United Kingdom

Penetration Tester

This role involves conducting comprehensive penetration tests across web applications, APIs, networks, cloud, and mobile platforms, from scoping to client debrief. The candidate will produce detailed technical reports, support client engagement, and contribute to tool development through research on emerging threats. It's a client-facing position requiring strong technical and communication skills within a cybersecurity consultancy environment.

VIQU IT Recruitment London, United Kingdom £60,000 – £65,000 pa

Red Team Director

Leads a red teaming function to proactively identify and exploit vulnerabilities in Barclays' IT systems, enhancing cyber resilience through adversary emulation, purple teaming, and real-time collaboration with security operations. Develops offensive security strategy, integrates AI into testing, and strengthens organisational readiness against advanced threats. Works closely with senior stakeholders to influence security investment and control priorities.

Barclays United Kingdom

Service Architect

This role involves leading the design and development of managed service solutions for complex defence and government tenders, with a focus on secure-by-design principles. The Service Architect will translate customer requirements into deliverable bids, create work breakdown structures, and produce key bid documentation while collaborating with technical teams and stakeholders. The position plays a central role in the bidding lifecycle, ensuring proposals align with customer needs and project objectives in a high-security environment.

airbus East Cambridgeshire, United Kingdom

Product Manager - NDR

This role involves shaping the direction of Darktrace's Network Detection and Response (NDR) product by aligning customer needs with technical development. The Product Manager will work closely with R&D, Product Marketing, and Go-To-Market teams to prioritise features, test functionality, and ensure effective product communication and positioning. The position requires a strong understanding of cybersecurity, particularly in network security and NDR use cases.

Darktrace Cambridge, CB2 3BJ, United Kingdom

Hybrid Permanent

Product Manager - NDR

This role involves shaping the direction of Darktrace's Network Detection and Response (NDR) product by bridging customer needs, technology, and market dynamics. The Product Manager will work closely with R&D, marketing, and go-to-market teams to prioritise features, guide product evolution, and ensure effective internal and external communication. It requires deep engagement with cybersecurity technology and a collaborative approach to drive product success in complex enterprise environments.

Darktrace London, UB8 1LQ, United Kingdom

Hybrid Permanent

IT Support Specialist - Cambridge

Provides 1st to 3rd line IT support for a diverse client base, focusing on Microsoft 365, Intune, and security technologies. Diagnoses and resolves issues across cloud services, networks, and endpoint security, with responsibilities including device management, MFA, Conditional Access, and vulnerability remediation. Role involves remote work with occasional office or client site visits.

Zero Surplus Cb10Ah, United Kingdom £30,000 – £45,000 pa

Hybrid

Testia Ltd - EN4179 Level 2 Qualified NDT Inspector

Perform non-destructive testing (NDT) inspections using methods such as ultrasonic, radiography, magnetic particle, and dye penetrant on aerospace components. Interpret and report results in compliance with quality standards, support customer site visits, and maintain certification records. Work involves both manufacturing and in-service component evaluation, with opportunities for technical engagement and qualification development.

airbus Bristol, United Kingdom