Latest Application Security Engineer Jobs

Sr. Security Researcher , DEU)

Develop automated tools for large-scale data analysis, conduct vulnerability research, and reverse engineer exploits across Windows, Linux, and other platforms. Support threat intelligence efforts by identifying and reproducing 0-day and n-day vulnerabilities, and contribute technical findings to public research publications. Work collaboratively across teams to meet urgent intelligence needs while advancing long-term security research initiatives.

CrowdStrike

Remote Permanent

Sr. Security Researcher , DEU)

Conducts advanced vulnerability research and exploit development, focusing on analyzing patches, identifying zero-day vulnerabilities, and reverse engineering malware. Develops automated tools for large-scale data analysis and collaborates across teams to publish technical findings. Works on dynamic security challenges requiring rapid, innovative solutions in a remote environment.

CrowdStrike

Remote Permanent

Cloud Architect- eDV Cleared

This role involves designing and implementing cloud-native solutions for high-impact, mission-critical projects in the national security domain. You will work with AWS, open-source technologies, and microservices, while leading and managing stakeholders.

Searchability NS&D Cheltenham, United Kingdom £60,000 – £115,000 pa

On-site Permanent Clearance Required

Senior Software Test Engineer

This role involves leading test engineering efforts within a cross-functional product team, focusing on end-to-end quality ownership for web, backend, and mobile applications built on microservices and machine learning. The engineer will design and develop automated test frameworks using modern tools, integrate testing into CI/CD pipelines, and mentor team members in quality best practices. The position emphasizes a strong blend of technical automation, exploratory testing, and cross-team collaboration in a flexible, global environment.

Entrust Portugal

Senior Software Test Engineer

This role involves leading test engineering efforts within a cross-functional product team, focusing on frontend, backend, and mobile products built on microservices and machine learning. The engineer will design and develop automated test frameworks, drive quality initiatives, mentor team members, and integrate testing into CI/CD pipelines using modern tools and cloud infrastructure.

Entrust

Software Engineer (C++) - eDV Cleared

Design, develop, and maintain high-performance C++ applications in Linux environments for secure, mission-critical systems. Work across the full software development lifecycle within an Agile team, using modern practices including containerisation with Docker and CI/CD pipelines. Focus on code quality, performance, and security in a collaborative engineering environment.

Searchability NS&D Cheltenham, United Kingdom £45,000 – £60,000 pa

On-site Permanent Clearance Required

OT Maintenance Manager

Leads a team of OT and ICA professionals to ensure the reliability, security, and performance of operational technology across water and wastewater treatment sites. Focuses on maintenance, system optimisation, and continuous improvement of instrumentation and control systems. Works closely with operational teams to support critical infrastructure with a strong emphasis on safety, compliance, and technical leadership.

South West Water Redruth, United Kingdom £49,907 – £60,242 pa

Domain Consultant 2

This role involves providing technical pre-sales support and designing secure identity solutions using the Idira Identity Security Platform. The consultant will work closely with customers across the UK&I region to modernize access strategies based on Zero Trust principles, lead proof-of-concepts, and translate business requirements into technical implementations. Expertise in cloud security, identity management, and enterprise integration is central to the position.

Palo Alto Networks London, United Kingdom

Hybrid Permanent

Security Engineer

This role involves leading cyber security strategy across both corporate IT and operational technology (OT) environments in a manufacturing organisation. You'll manage enterprise security platforms such as EDR, SIEM, NDR, firewalls, and email security, lead incident response, conduct vulnerability assessments, and ensure robust patching and identity management. The role also includes developing security awareness programmes, supporting disaster recovery, and maintaining compliance, all within a complex hybrid infrastructure spanning on-premises and cloud environments.

NET Recruit Chichester, United Kingdom £50,000 – £60,000 pa

Hybrid Permanent Clearance Required

Azure Cloud Engineer

This role involves designing, building, and optimising Microsoft Azure cloud infrastructure, supporting CI/CD pipelines, and advising on cloud architecture and best practices. You'll work across internal platforms and client-facing transformation projects in a cloud-native environment, collaborating with technical and non-technical stakeholders. The position offers hands-on ownership of real Azure environments while contributing to large-scale cloud and AI initiatives.

Harnham - Data and Analytics Recruitment Abingdon, OX14 5BH, United Kingdom £40,000 – £50,000 pa

Systems Administrator \ Support Engineer

Provide multilevel technical support to business customers, including troubleshooting desktop, server, and network issues. Commission and maintain IT infrastructure, manage Microsoft 365 and Azure AD environments, and ensure high customer service standards. Work on-site in Sidmouth within a small, friendly team.

Profile 29 Ex109Hl, United Kingdom £27,000 – £30,000 pa

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Cloud Security Consultant

Cloud Security Consultant x 3UK WideUp to £100,000 + BenefitsWe are seeking experienced Cloud Security Consultants to join a growing cybersecurity practice delivering complex cloud security solutions across a range of enterprise and public sector environments You will play a...

Adecco United Kingdom £60,000 – £100,000 pa

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Cloud Security Consultant x3 UK Wide

Design and implement secure cloud solutions across public, private, and hybrid environments, aligning with enterprise security strategies and zero trust principles. Conduct threat modelling, build security reference architectures, and guide clients on secure-by-design practices using automation and DevSecOps. Collaborate with cross-functional teams to integrate security into cloud deployments and share expertise with both internal and external stakeholders.

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

Hybrid Permanent

Cyber Security Architect

Design and implement secure technology solutions within a large telecommunications environment, focusing on security architecture and controls. Collaborate with technical teams and senior stakeholders to align security with business and regulatory requirements. Support transformation and modernisation initiatives across complex infrastructure, cloud, and network environments.

ECS Resource Group London, United Kingdom £525 – £550 pd

AI Security Architect

Design and implement security frameworks for AI and generative AI systems within a health research environment. Conduct threat modelling, develop governance standards, and secure integrations across complex enterprise systems. Focus on mitigating AI-specific risks such as prompt injection, data leakage, and model inversion while enabling safe innovation.

Additional Resources London, United Kingdom