Principal Security Architecture Consultant

Added 18/08/2026

We are seeking an experienced Principal Security Architecture Consultant to join a dynamic team focused on delivering robust security solutions for complex enterprise environments. In this role, you will be responsible for leading the design and implementation of comprehensive security architectures, ensuring that systems, applications, and networks are resilient against evolving threats. You will provide expert guidance on security best practices throughout the software development lifecycle, conduct risk assessments, and create actionable security roadmaps tailored to client needs. Collaboration with stakeholders across business and IT will be essential, as you translate business objectives into secure, scalable, and cost-effective technical solutions....

Head of Governance, Risk and Compliance (Information Security)

Added 10/08/2026

We are seeking a dynamic and experienced professional to take on the role of Head of Governance, Risk and Compliance (Information Security). In this leadership position, you will be responsible for developing and implementing a robust governance framework that ensures compliance with relevant laws, regulations, and industry standards. You will lead the organization’s risk management strategy, identifying potential risks and developing mitigation plans to protect sensitive information and maintain operational integrity. Your expertise will guide the creation and enforcement of policies and procedures to enhance the organization’s information security posture. The ideal candidate will possess strong analytical skills and a...

Principal Offensive Security Consultant

Added 04/08/2026

As a Principal Offensive Security Consultant, you will take a leading role in designing, executing, and overseeing complex security assessments for a diverse portfolio of clients. You will serve as a technical authority and trusted advisor, conducting advanced penetration testing, red teaming, and adversary simulation engagements across cloud, on-premises, and hybrid environments. Your expertise will help clients identify security weaknesses, assess risk exposure, and develop actionable remediation strategies. In this role, you will also be responsible for developing bespoke attack scenarios, leveraging the latest tactics, techniques, and procedures (TTPs) used by threat actors, and translating technical findings into clear, business-focused...

Information Security Engineer - Classified Systems

Added 19/08/2026

We are seeking a skilled Information Security Engineer specializing in classified systems to ensure the integrity, confidentiality, and availability of sensitive information. In this role, you will be responsible for designing and implementing security architectures, conducting risk assessments, and developing security policies tailored to classified environments. You will monitor security incidents, perform vulnerability assessments, and manage security tools to detect and respond to potential threats effectively. The ideal candidate will have a strong understanding of cybersecurity frameworks and compliance requirements associated with classified systems. You will collaborate with cross-functional teams to enhance security measures and provide guidance on best practices....

Cyber Security Engineer - Cyber & Autonomous Systems Team

Added 18/09/2026

We are seeking a Cyber Security Engineer to join a specialist Cyber & Autonomous Systems team working on the security of advanced, software-enabled and autonomous capabilities. In this role, you will help protect complex systems throughout their lifecycle, from early concept and design through development, integration, testing, deployment and ongoing support. You will work closely with engineering, software, systems, operational and assurance teams to identify cyber risks and develop practical, proportionate security solutions. Your responsibilities will include conducting threat modelling, vulnerability assessments and security risk analyses; defining and reviewing security requirements; contributing to secure-by-design architectures; and supporting the implementation of...

Security Systems Engineer

Added 17/09/2026

We are seeking a Security Systems Engineer to design, install, maintain and improve integrated security technologies across a range of operational environments. The role will focus on ensuring that physical security systems are reliable, resilient and aligned with business, regulatory and safety requirements. You will work closely with internal stakeholders, contractors and technology partners to deliver effective solutions that protect people, premises, assets and information. Key responsibilities will include configuring, commissioning and supporting CCTV, access control, intruder detection, intercom, perimeter protection and associated monitoring systems. You will investigate faults, assess system performance, coordinate planned maintenance and respond to incidents or...

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,...

Security Systems Engineer

Added 15/09/2026

We are seeking a Security Systems Engineer to design, implement, maintain and improve integrated electronic security solutions across a range of operational environments. The role will involve working with stakeholders, technical teams, contractors and service providers to ensure that security systems remain reliable, compliant and fit for purpose. You will contribute to the full systems lifecycle, from requirements gathering and technical design through to installation, commissioning, support and continuous improvement. Key responsibilities will include configuring and administering access control, CCTV, intrusion detection, intercom, perimeter protection and associated monitoring systems. You will investigate faults, coordinate planned and reactive maintenance, review system...

Systems and Security Analyst - London

Added 15/09/2026

We are seeking a Systems and Security Analyst to support the secure, reliable and efficient operation of technology services in a London-based environment. This role will combine systems administration, security monitoring and technical investigation, working closely with infrastructure, service delivery and business teams. You will help maintain resilient systems, identify potential threats and contribute to the continual improvement of security controls and operational processes. Key responsibilities will include monitoring networks, servers, cloud services and security tooling; investigating alerts, vulnerabilities and suspected incidents; and supporting the resolution of technical issues in line with agreed service levels. You will assist with access...

Senior Systems Security Engineer

Added 15/09/2026

We are seeking a Senior Systems Security Engineer to design, implement, and maintain robust security solutions across complex enterprise infrastructure. In this role, you will work closely with infrastructure, networking, cloud, and application teams to protect systems, data, and services against evolving cyber threats. You will contribute to security architecture, technical strategy, and the continuous improvement of defensive capabilities across on-premises and cloud environments. Key responsibilities include developing and enforcing system security standards, hardening operating systems and infrastructure, and reviewing designs for security, resilience, and compliance. You will investigate security events, support incident response activities, and lead root-cause analysis to...

Cyber Systems Security Engineering Associate Manager

Added 11/09/2026

We are seeking a Cyber Systems Security Engineering Associate Manager to support the design, development, integration and assurance of secure systems across complex technical programmes. This role will provide technical leadership to security engineering teams, ensuring that cyber risks are identified, assessed and managed throughout the system lifecycle. You will work closely with systems engineers, software developers, architects, programme managers and operational stakeholders to embed effective security controls from concept through deployment and ongoing support. Key responsibilities include leading security engineering activities; developing and reviewing system security architectures, requirements and technical specifications; conducting threat, vulnerability and risk assessments; and supporting...

Security Systems Engineer

Added 07/09/2026

We are seeking a Security Systems Engineer to design, implement, maintain and improve integrated security systems across a complex operational environment. The role will support the availability, resilience and effectiveness of physical and electronic security technologies, including access control, CCTV, intruder detection, intercoms, alarm monitoring and related networked systems. You will work closely with internal stakeholders, specialist contractors and technical service providers to ensure systems meet operational, safety and compliance requirements. Key responsibilities include developing technical specifications, reviewing designs, coordinating installations and commissioning new or upgraded security solutions. You will investigate faults, lead system testing, manage preventative maintenance and provide...

Security Systems Administrator

Added 03/09/2026

We are seeking a skilled Security Systems Administrator to manage, maintain and improve the technical systems that support a secure and resilient operating environment. In this role, you will administer security platforms, monitor infrastructure, investigate alerts and help ensure that systems, applications and data remain protected against evolving threats. You will work closely with technology teams and business stakeholders to implement effective controls, resolve incidents and support continuous improvement across the security function. Your responsibilities will include configuring and maintaining security tools such as firewalls, endpoint protection, identity and access management, vulnerability scanners, security information and event management platforms, and...

Cyber Security Systems Engineer

Added 01/09/2026

We are seeking a Cyber Security Systems Engineer to design, implement, maintain, and improve secure technology environments across a complex IT estate. The successful candidate will help protect systems, networks, applications, and data by applying strong cyber security principles throughout the technology lifecycle. This role will work closely with infrastructure, cloud, software development, and operational teams to identify risks, strengthen controls, and support the delivery of resilient services. Key responsibilities include configuring and administering security tools such as endpoint protection, vulnerability management, identity and access management, security information and event management, firewalls, and intrusion detection systems. You will monitor security...

Linux Systems Software Developer– Security Solutions

Added 01/09/2026

We are seeking a Linux Systems Software Developer – Security Solutions to design, develop and maintain software that strengthens the security, reliability and performance of Linux-based systems. In this role, you will contribute to the full software development lifecycle, from technical design and implementation through to testing, documentation, deployment and ongoing support. You will work on low-level system components, security services, monitoring tools and automation used to protect critical infrastructure and applications. Your responsibilities will include developing robust, maintainable code in C and/or C++, creating scripts and tools using Python or shell, and integrating security capabilities across Linux environments. You...