Latest Application Security Engineer Jobs

Trainee DevOps Engineer | No experience needed (Ref: 7501)

DEVOPS ENGINEER TRAINEESHIPBecome a DevOps Engineer and Build Real-World ExperienceAre you interested in cloud computing, software development, automation, and building reliable technology platforms? Do you want to gain practical experience while developing technical skills that are in high demand across...

Qualify Nation Recruitment Leeds, United Kingdom £28,000 – £38,000 pa

Trainee DevOps Engineer | No experience needed (Ref: 7501)

DEVOPS ENGINEER TRAINEESHIPBecome a DevOps Engineer and Build Real-World ExperienceAre you interested in cloud computing, software development, automation, and building reliable technology platforms? Do you want to gain practical experience while developing technical skills that are in high demand across...

Qualify Nation Recruitment Edinburgh, Alba / Scotland, United Kingdom £28,000 – £38,000 pa

Principal DevOps Engineer- SC Cleared

This role involves working on high-impact, mission-critical projects for Public Sector and Defence clients, shaping cutting-edge solutions and providing technical leadership. You will be part of a top consultancy, focusing on modern platform architecture, cloud-native systems, and DevOps practices.

Searchability NS&D Newcastle upon Tyne, United Kingdom £90,000 – £105,000 pa

Hybrid Permanent Clearance Required

Principal DevOps Engineer- SC Cleared

This role involves working on high-impact, mission-critical projects for Public Sector and Defence clients, shaping cutting-edge solutions and providing technical leadership. You will collaborate with a top consultancy, leveraging your expertise in DevOps, cloud infrastructure, and modern platform architecture.

Searchability NS&D Manchester, United Kingdom £90,000 – £105,000 pa

Hybrid Permanent Clearance Required

Sr. Software Engineer, Cloud Detection , London)

Design and scale foundational backend services for a next-generation detection platform processing internet-scale data streams. Work on distributed systems using Go/C++ and cloud technologies to enable real-time threat detection across the Falcon ecosystem. Collaborate across teams to build resilient, high-performance services that orchestrate data and logic across multiple cybersecurity products.

CrowdStrike London, United Kingdom

Hybrid Permanent

Manager, Engineering - Managed Services

Lead a cross-discipline engineering team building APIs, UIs, and cloud services for Falcon Complete, CrowdStrike’s managed threat-hunting product. Drive technical strategy, code quality, and product delivery in a fast-paced environment focused on scalability and reliability. Collaborate with product, security, and internal tooling teams to enhance customer experience and operational efficiency.

CrowdStrike London, United Kingdom

Hybrid Permanent

Senior ML Engineer, Doc Fraud

This role involves building and optimizing production-scale machine learning systems for document classification and extraction, with a focus on fraud detection in government-issued IDs. The engineer will work on fine-tuning and deploying LLMs and VLMs, designing training and inference pipelines, and improving model accuracy through advanced labeling workflows. The position emphasizes technical leadership, system reliability, and cross-functional collaboration to deliver secure, seamless customer onboarding experiences.

Entrust London, United Kingdom

Hybrid Permanent

Staff FPGA Engineer

Leads FPGA architecture and implementation for security-critical systems, driving technical direction while remaining hands-on with VHDL design, verification, and integration into embedded platforms. Focuses on timing closure, resource optimization, and robust FPGA-software co-design within regulated environments. Mentors engineers and shapes development processes including CI/CD and configuration management.

Entrust Cambridge, United Kingdom

Solutions Engineer - London

Act as a technical advisor and pre-sales expert, supporting sales teams by delivering Proof of Value engagements, presenting threat intelligence reports to both technical and executive audiences, and designing custom solution architectures. Collaborate closely with clients and internal teams to ensure technical requirements are met and drive product adoption across network, cloud, and email security domains.

Darktrace London, UB8 1LQ, United Kingdom

On-site Permanent

Infrastructure Cloud Engineer

Design, deploy, and maintain secure, scalable Microsoft Azure cloud environments in a 24/7 enterprise setting. Drive automation through Infrastructure as Code, support critical applications, and collaborate with security and operations teams to enhance cloud governance and performance. Focus on high availability, cost optimisation, and multi-site infrastructure resilience.

HAYS Specialist Recruitment Manchester, United Kingdom £45,000 – £52,000 pa

Infrastructure Cloud Engineer

Design, deploy, and support enterprise-scale Microsoft Azure cloud environments with a focus on security, scalability, and automation. Drive cloud transformation initiatives using Infrastructure as Code and collaborate with cross-functional teams to optimise performance and governance. Support critical applications in a 24/7 multi-site environment.

Hays Technology Manchester, United Kingdom £45,000 – £55,000 pa

Hybrid Permanent

Cryptography Operations Engineer

This role involves managing cryptographic assets, including encryption keys and HSMs, to ensure data security across enterprise systems. The engineer will monitor, implement, and support cryptographic solutions, conduct security assessments, and contribute to policy and training. Work includes BAU and on-call support within a global 24/7 team, using tools from Thales and Entrust in complex Windows and Linux environments.

Barclays Knutsford, WA16 9EU, United Kingdom

Machine Learning Integration Engineer

This role involves integrating and optimizing machine learning models within Darktrace's cybersecurity platform. You'll work closely with machine learning specialists and security researchers to prototype new ideas, improve model performance, and scale solutions across the digital estate. The focus is on deploying innovative AI-driven defenses against unknown cyber threats using Python and ML acceleration frameworks.

Darktrace Cambridge, CB2 3BJ, United Kingdom

Hybrid Permanent

Senior Identity Engineer

As a Senior Identity Engineer, you will lead and contribute to corporate identity projects, including Passkey deployments and the retirement of legacy technology. You will act as a Subject Matter Expert in Microsoft Entra ID, Saviynt, and MiServer AD, onboard applications, and support the team with identity-related projects while staying current with industry trends in PAM, PIM, and IGA.

Sophos United Kingdom

Remote Permanent

Splunk SIEM Engineer

Role Title: Splunk SIEM EngineerDuration: contract to run until 30/11/2026Location: Knutsford. Hybrid, 3 days per week onsiteRate: up to £587.33 p/d Umbrella inside IR35Role purpose / summaryJoin us as Splunk SIEM Engineer where you must design, develop and improve software,...

Experis Knutsford, Cheshire, United Kingdom