Software Engineer - Cyber & Autonomous Systems Team

Added 18/09/2026

We are seeking a Software Engineer to join a specialist Cyber & Autonomous Systems Team developing secure, resilient and intelligent technologies for complex operational environments. You will contribute to the full software development lifecycle, from requirements analysis and system design through to implementation, integration, testing, deployment and ongoing improvement. Working as part of a multidisciplinary engineering team, you will help deliver robust software for autonomous platforms, cyber capabilities, sensing systems and mission-critical applications. Your responsibilities will include designing and developing high-quality software using modern programming languages and engineering practices; integrating software with hardware, networks, sensors and external systems; writing automated...

Offensive Security Engineer

Added 29/10/2026

We are seeking an Offensive Security Engineer to identify, assess and help remediate security weaknesses across applications, infrastructure, cloud environments and corporate systems. You will work closely with engineering, architecture and security teams to simulate realistic attacks, strengthen defensive controls and reduce organisational risk. Your responsibilities will include planning and delivering penetration tests, red-team exercises, vulnerability assessments and adversary simulations. You will conduct technical reconnaissance, exploit weaknesses safely and document clear, evidence-based findings. You will also validate remediation work, track risks through to resolution and provide practical recommendations that improve security without unnecessarily disrupting delivery. The role will involve testing...

Cyber Security Engineer - Cyber & Autonomous Systems Team

Added 17/09/2026

We are seeking a Cyber Security Engineer to join a specialist Cyber and Autonomous Systems Team. In this role, you will help protect complex, mission-critical systems that integrate software, hardware, networks, sensors and autonomous capabilities. You will contribute throughout the system lifecycle, from early concept and requirements development through to design, implementation, testing, deployment and ongoing assurance. The position offers the opportunity to work on challenging technical problems where security, safety, resilience and operational performance are closely connected. Your responsibilities will include conducting threat, risk and vulnerability assessments; developing security requirements and architectures; and designing practical controls for embedded, cloud,...

Software Engineer - Cyber & Autonomous Systems Team

Added 17/09/2026

We are seeking a Software Engineer to join a multidisciplinary Cyber & Autonomous Systems Team developing secure, intelligent, and resilient solutions for complex operational environments. You will contribute to the full software development lifecycle, from requirements analysis and system design through implementation, integration, testing, deployment, and ongoing support. The role offers the opportunity to work on advanced systems that combine software engineering, autonomy, data processing, communications, and cybersecurity. Your responsibilities will include designing and developing robust software in languages such as C++, Python, or Java; integrating software with sensors, platforms, networks, and other mission-critical systems; and creating automated tests to...

Senior DevOps / Platform Engineer - Autonomous Vulnerability Research (Harness Engineering)

Added 30/09/2026

We are seeking a Senior DevOps / Platform Engineer to help build the infrastructure and engineering harnesses that support autonomous vulnerability research. You will work at the intersection of cloud infrastructure, software engineering, security research and developer productivity, creating reliable platforms that enable automated discovery, validation and analysis of security weaknesses across diverse systems. This is a hands-on role for someone who enjoys solving complex infrastructure challenges and improving the safety, scale and repeatability of advanced research workflows. Your responsibilities will include designing, implementing and operating secure, scalable platforms for automated testing and experimentation; developing CI/CD pipelines, orchestration systems and...

Cyber Security & Systems Engineer

Added 08/10/2026

We are seeking a Cyber Security & Systems Engineer to help protect, maintain and continuously improve a diverse technology environment. This role combines cyber security operations, systems engineering and infrastructure support, offering the opportunity to work across cloud services, networks, endpoints, identity platforms and enterprise applications. You will contribute to the design and implementation of secure, resilient systems while helping to identify and reduce operational and security risks. Key responsibilities will include monitoring security alerts, investigating and responding to incidents, managing vulnerabilities and supporting threat detection and prevention activities. You will configure and maintain security controls such as endpoint protection,...

Senior Systems & Cyber Engineer

Added 06/10/2026

We are seeking a Senior Systems & Cyber Engineer to design, maintain and enhance secure, resilient technology environments. This role will combine systems engineering, infrastructure operations and cybersecurity expertise to support critical services and protect information assets. You will work across cloud and on-premises platforms, networks, endpoints and enterprise applications, ensuring systems remain available, compliant and capable of meeting evolving business and security requirements. Your responsibilities will include designing and implementing secure infrastructure solutions; administering and hardening Windows and Linux environments; managing identity, access controls, patching, vulnerability remediation and configuration standards; and supporting cloud platforms, virtualisation technologies, networks and backup...

Information Security Systems Engineer

Added 19/10/2026

We are seeking an Information Security Systems Engineer to help protect critical systems, infrastructure and data across a complex technology environment. You will design, implement and maintain security controls that support confidentiality, integrity and availability, while working closely with infrastructure, cloud, application and service teams. The role will involve assessing technical risks, recommending practical improvements and ensuring security is embedded throughout the systems lifecycle. Your responsibilities will include configuring and administering security technologies such as firewalls, endpoint protection, vulnerability management platforms, identity and access management solutions, security information and event management tools, and network monitoring systems. You will investigate and...

GCAP Systems Security Engineer

Added 12/10/2026

We are seeking a Systems Security Engineer to support the design, implementation, and maintenance of secure, resilient technology environments. The successful candidate will work across infrastructure, applications, networks, and cloud services to identify security risks and develop practical solutions that protect systems, data, and users. This role will contribute to security architecture, system hardening, vulnerability management, incident response, and the continuous improvement of security controls throughout the technology lifecycle. Key responsibilities include assessing security requirements for new and existing systems; conducting threat, risk, and vulnerability assessments; developing and maintaining secure configuration standards; and supporting security testing, monitoring, and remediation activities....

Information Security Engineer - Classified Systems

Added 25/09/2026

We are seeking an Information Security Engineer to support the protection, operation, and continuous improvement of classified information systems. In this role, you will contribute to the secure design, implementation, assessment, and maintenance of systems operating in highly controlled environments. You will work closely with technical teams, system owners, security authorities, and operational stakeholders to ensure that security requirements are understood, implemented, and sustained throughout the system lifecycle. Key responsibilities include conducting security risk assessments, supporting accreditation and authorization activities, developing and maintaining security documentation, and monitoring compliance with applicable policies, standards, and regulatory requirements. You will assist with vulnerability...

Senior Systems Engineer - Application Security

Added 24/09/2026

We are seeking a Senior Systems Engineer – Application Security to strengthen the security, reliability, and performance of critical applications and supporting infrastructure. In this role, you will work closely with software engineering, platform, operations, and risk teams to embed security throughout the application lifecycle, from design and development through deployment and ongoing maintenance. You will provide technical leadership on secure architecture, systems hardening, vulnerability management, identity and access controls, and cloud security practices. Your responsibilities will include reviewing application and infrastructure designs, identifying security risks, and recommending practical, scalable improvements. You will develop and maintain security standards, controls, and...

Security Systems Engineer

Added 24/09/2026

We are seeking a Security Systems Engineer to design, implement, maintain and improve integrated security technology across a range of sites and operational environments. The role will focus on ensuring that access control, CCTV, intruder detection, intercom, alarm monitoring and related systems are reliable, secure and aligned with business and regulatory requirements. You will work closely with internal stakeholders, suppliers, contractors and technical teams to deliver effective security solutions from initial assessment and specification through to installation, testing and ongoing support. Key responsibilities will include assessing existing security infrastructure, identifying vulnerabilities and recommending improvements; producing technical specifications, system designs, configuration...

Security Infrastructure Systems Engineer

Added 24/09/2026

We are seeking a Security Infrastructure Systems Engineer to design, implement, maintain and secure the platforms that support critical business services. You will work across infrastructure, cloud, networks and security operations to ensure systems are resilient, scalable and protected against evolving threats. The role involves collaborating with technical teams, service owners and stakeholders to translate security requirements into practical, reliable solutions. Your responsibilities will include administering and hardening Windows and Linux systems, virtualisation platforms, cloud services, identity and access management technologies, endpoint security tools and network security controls. You will develop and maintain secure configuration standards, monitor infrastructure for vulnerabilities...

AI Security Engineer (Agentic Systems)

Added 22/09/2026

We are seeking an AI Security Engineer (Agentic Systems) to help design, evaluate, and secure intelligent systems that can reason, plan, use tools, and operate with varying degrees of autonomy. In this role, you will work across security engineering, machine learning, and software development to identify emerging risks in agentic architectures and build practical safeguards. You will contribute to secure-by-design principles throughout the lifecycle, from research and prototyping through deployment, monitoring, and continuous improvement. Your responsibilities will include threat modelling AI agents, tool-use workflows, orchestration layers, memory systems, data pipelines, and model integrations. You will develop and execute adversarial tests...