Latest Application Security Jobs

Cyber Security Engineer

This role involves implementing, configuring, and maintaining security tooling and controls across Microsoft 365, endpoint security, identity, and infrastructure. You will work on technical projects, improve security posture, and support incident remediation and operational security activities.

Planet Recruitment Manchester, United Kingdom £40,000 – £50,000 pa

Hybrid Permanent

Security Architect

The Security Architect role involves leading the design, assurance, and continuous improvement of secure technology solutions across cloud, hybrid, and on-premise environments. Responsibilities include embedding security throughout the technology lifecycle, supporting cloud adoption, and ensuring compliance with regulatory requirements and industry best practices.

Copello Gloucester, Gloucestershire, United Kingdom £90 – £110 ph

Cyber Security Engineer - Governance, Risk & Compliance (UK Only)

This role involves creating and improving security labs, challenges, and online learning content on the Immersive One platform, focusing on governance, risk, and compliance (GRC). You will research the latest GRC regulations, design engaging and intuitive content, and act as a GRC subject matter expert for the engineering and product teams.

Immersive United Kingdom

Remote Permanent

Cloud Security Engineer within UK

This role involves designing, building, and delivering cloud security content and labs for the Immersive platform, focusing on AWS, Azure, and GCP. You will work closely with the engineering and content teams to create engaging and practical cloud security training, ensuring it is both educational and fun.

Immersive United Kingdom

Remote Permanent

Security Engineer

This role involves hands-on implementation and maintenance of security controls within a Microsoft cloud environment, identifying and remediating security gaps, and preparing for external penetration testing. You will work closely with architecture, security operations, and technology teams to enhance the organization's overall security posture.

Pontoon London, United Kingdom £700 – £800 pd

Hybrid Contract Clearance Required

Security Engineer

This role involves managing security alerts, incidents, and threat investigations across a cloud-native microservices environment. The engineer will lead incident response, improve security tooling (SIEM, endpoint, cloud), and embed security into DevSecOps practices while ensuring ISO 27001 and GDPR compliance. The position actively shapes security strategy rather than just maintaining compliance.

CV-Library Fleet, Hampshire, GU51 3HH, United Kingdom

DevOps Engineer (Cyber Security)

Design and maintain automated CI/CD pipelines while integrating security best practices across infrastructure and deployment processes. Work with AWS to build highly secure, compliant systems for global clients in regulated environments. Support monitoring solutions and collaborate with a skilled team on complex cyber security challenges, with only monthly travel to Woking required.

Ernest Gordon Recruitment Birmingham, United Kingdom £65,000 – £70,000 pa

Senior Information Security Analyst

This role involves leading complex cybersecurity incident investigations across cloud, identity, endpoint, network, and application environments. The analyst will enhance security controls like DLP and MFA, drive improvements in detection and automation, and provide security assurance for technology changes. They will also mentor team members and translate technical risks into actionable business insights.

Lumentum Towcester, Northamptonshire, United Kingdom

Defence Information Security Manager

This role involves managing and providing day-to-day assurance for information, personnel, physical, and protective security within the IT Services Defence Sector. Key responsibilities include ensuring compliance with MOD, government, and ISO/IEC 27001 requirements, conducting site audits, managing security incidents, and supporting the secure delivery of Defence contracts.

NG Bailey Gloucester, United Kingdom

Security Automation and AI SOC Engineer (Torq, Tines, Swimlane)

This role involves designing and implementing security automation workflows and AI-assisted security operations within a SOC. The focus is on reducing manual effort, improving consistency, and ensuring safe and effective AI adoption. The candidate will work closely with the SOC team to identify automation opportunities and establish best practices.

Adecco London, United Kingdom £750 pd

PhD Studentship - Computer Science: Empirical Security Assessment of AI Decision Engines in Cyber-Physical Systems

This PhD project focuses on developing a rigorous empirical framework to assess the security robustness, failure modes, and operational risks of AI decision engines in cyber-physical systems. The research will address critical gaps in the security of AI-driven systems in safety-critical environments, providing empirical evidence to support informed deployment decisions.

Newcastle University Newcastle upon Tyne, Northern England, United Kingdom £21 pa

Contract

Senior Solution Architect - Email & Collaboration Security

This role involves shaping the technical direction of Mimecast's core Email & Collaboration Security (ECS) product line by translating complex customer and business challenges into durable, scalable architectures. The Senior Architect will lead problem-framing workshops, own critical integration contracts, and ensure engineering teams have a stable foundation to innovate quickly—while navigating two decades of legacy systems and AI-augmented threats. The position demands deep collaboration across product, engineering, and architecture leadership, with a strong emphasis on AI-first design practices and cost-aware, customer-centric decision-making.

Mimecast London, United Kingdom £124,000 – £186,000 pa

On-site Permanent Clearance Required

2027 Technology Cyber and Security Summer Programme Knutsford

Spend 10 weeks working on real cyber and security projects within Barclays' Chief Security Office, gaining hands-on experience in threat intelligence, secure engineering, and risk management. Collaborate with cross-functional teams to enhance security controls and support the bank’s resilience. Ideal for penultimate-year students passionate about technology and problem-solving.

Barclays United Kingdom

Internship

Senior Research Associate: SCULI: Security in Ultra-Large Scale Systems

This role involves conducting original research to develop techniques for orchestrating security controls in dynamic and complex systems. The successful candidate will collaborate with academic and industry partners, publish high-quality research, and have the flexibility to direct their research activities.

Lancaster University Lancaster, Northern England, United Kingdom £39 – £45 pa

Permanent

DCS Cyber Security Engineer

The Senior DCS Cybersecurity Engineer will manage and mitigate cyber risks for DCS and OT systems in Biomass and Energy from Waste Power Stations. Responsibilities include conducting risk assessments, providing technical guidance, and supporting incident response and change management processes.

Astute People Risley, Warrington, Cheshire, United Kingdom