Latest Application Security Engineer Jobs

Manager, Corporate Sales Engineering

Lead and develop a high-performing Corporate Sales Engineering team, driving technical excellence and strategic pre-sales support for enterprise cybersecurity solutions. Guide complex sales cycles, PoV engagements, and technical training while fostering innovation and collaboration. Work closely with sales, marketing, and partners to scale technical sales impact and deliver customer success in a fast-paced AI-native security environment.

CrowdStrike Reading, United Kingdom

Sr. Security Researcher , DEU)

This role involves conducting in-depth vulnerability research and exploit development, analyzing adversary activity, and building automated tools to support threat intelligence operations. The researcher will reverse-engineer malware, analyze patches for zero-day vulnerabilities, and collaborate across teams to reproduce and validate emerging threats. Work is published in reports or presented at conferences, contributing to CrowdStrike’s global security intelligence mission.

CrowdStrike Germany

Remote Permanent

Software Team Lead - eDV Cleared

PRINCIPAL SOFTWARE ENGINEER - DV CLEAREDBRAND NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING SOFTWARE CONSULTANCY FOR A SOFTWARE TEAM LEAD WITH ENHANCED DV CLEARANCEPermanent job opportunity for a Software Team LeadLeading National Security consultancySalary up to £100,000 + Benefits...

Searchability NS&D London, United Kingdom £60,000 – £100,000 pa

Kubernetes Specialist - DV Cleared

This role involves working as a Platform Engineer on mission-critical projects for Defence and National Security clients. You will manage containerised environments using Kubernetes, automate infrastructure deployment, and maintain delivery pipelines. The position requires an active DV clearance and hands-on experience with DevOps tools.

Searchability NS&D Hampshire, United Kingdom £40,000 – £90,000 pa

On-site Permanent Clearance Required

Senior Software Test Engineer

A Senior Software Test Engineer will lead quality assurance efforts across frontend, backend, and mobile products using microservices and machine learning. The role involves designing automated test frameworks, mentoring team members, and integrating testing within CI/CD pipelines. The engineer works closely with cross-functional teams to ensure robust, scalable, and secure software delivery.

Entrust Cannock Chase, United Kingdom

Senior Software Test Engineer

This role involves leading test engineering efforts within a cross-functional product team, focusing on frontend, backend, and mobile testing powered by microservices and machine learning. The engineer will design and develop automated test frameworks using open-source and custom tools, advocate for quality practices, and mentor team members in continuous improvement of delivery pipelines. Work combines automation with exploratory testing and spans web, mobile, and API layers in a cloud-native environment.

Entrust London, United Kingdom

IT Systems Engineer

This role involves ensuring the reliability and stability of IT systems within MOD teams, providing deep technical support for complex network and system issues such as software defects and network faults. The engineer will contribute to projects and bid activities, support the contracts team with technical guidance, and respond to high-severity incidents escalated from the NOC. The position requires hands-on expertise with Cisco, Juniper, or Fortinet technologies and eligibility for DV clearance, with minimal customer interaction.

Rise Technical Recruitment Redhill, RH1 1RJ, United Kingdom

On-site Permanent Clearance Required

Platform Engineer

This role involves designing and managing AWS cloud architecture, building infrastructure as code with Terraform, and developing CI/CD pipelines. You will work closely with architecture and security teams to ensure secure and scalable cloud infrastructure in a hybrid London setup.

Sanderson London, United Kingdom £80,000 – £100,000 pa

Hybrid Permanent

2nd / 3rd Line Support Engineer

Provide advanced technical support and manage IT projects for clients, including Microsoft 365 configuration, endpoint management, network troubleshooting, and infrastructure deployments. Engage directly with clients on-site and remotely, supporting cloud identity, security, and office technology solutions within a small managed services team.

Proactive Appointments London, United Kingdom £40,000 – £50,000 pa

CISO Solution Architect (9936)

Design and govern enterprise security architecture with a focus on data protection and Azure cloud security. Provide expert guidance on data classification, DLP, encryption, and compliance within a highly regulated environment. Collaborate across engineering, risk, and cloud teams to embed security into platforms and transformation initiatives.

Salt London, United Kingdom

IT Support Analyst (1st / 2nd Line)

Provide 1st and 2nd line technical support in a Microsoft-centric environment, resolving issues with Office 365, Windows systems, and IP networking. Handle user queries via phone, email, and in person, troubleshoot hardware and software problems, and maintain accurate records in the ticketing system. Work closely with the IT team to ensure efficient resolution and continuous service improvement.

Red King Resourcing Ox11Hp, United Kingdom £30,000 – £35,000 pa

Print/ Copier IT Support

Provide remote IT support for print and imaging systems across commercial, corporate, and educational environments. Perform remote diagnostics, repairs, and maintenance on printers, copiers, and scanners, along with print management administration and system monitoring. Work regular business hours with occasional on-call support, serving clients primarily in the South East.

Ernest Gordon Recruitment Henley-on-Thames, RG9 2AN, United Kingdom £35,000 – £40,000 pa

Remote

Data Platform Architect - GCP, BigQuery, Airflow & Terraform

This role involves designing and evolving a modern cloud-based data platform, with hands-on implementation and collaboration with engineering teams. You'll define architectural standards, drive DataOps practices, and integrate security and governance into platform engineering. The position bridges technical leadership and execution, focusing on scalable data ingestion, transformation, and self-service capabilities within a growing AI and analytics environment.

Robert Walters London, United Kingdom £85,000 – £100,000 pa

Senior DevOps Systems Administrator

This role involves designing and managing hybrid cloud infrastructure across AWS and private cloud environments, with a strong focus on automation using Terraform, Ansible, and GitHub Actions. The engineer will build and maintain CI/CD pipelines, implement observability with tools like Grafana and Prometheus, and ensure robust security and networking across systems. It's a senior position emphasizing technical leadership, mentorship, and long-term career growth within a stable, people-first organization.

Mobilus Limited Gu47Wa, United Kingdom £55,000 – £65,000 pa

Infrastructure Analyst

The role involves supporting and improving infrastructure services within a legal organisation undergoing a technology transformation. You'll work on cloud adoption, infrastructure projects, and critical system evolution using technologies like Azure, VMware, and SaaS/IaaS platforms. The position requires technical ownership across design, implementation, and BAU support, with collaboration across UK and international teams.

Reed L39Sj, United Kingdom £45,000 – £50,000 pa