Senior Systems Engineer

Senior Systems Engineer - Secure Digital Platform (SDP) Data and Integration

Active SC Clearance – required to work on‑site with Edgewing and support sensitive MOD/aerospace programmes.

Aerospace and Defence Experience – demonstrable background delivering architecture within MOD, Defence Digital, or UK aerospace environments.

This role will be based in Reading with hybrid/custom working options where appropriate.

The Senior Systems Engineer is accountable for the design, implementation, operation, support, and continuous improvement of enterprise infrastructure, cloud platforms, and hosting services. This role provides technical leadership across hybrid environments, ensuring systems are resilient, secure, scalable, and aligned with organisational objectives.

The Senior Systems Engineer is responsible for managing and supporting Microsoft Azure cloud services, on-premises infrastructure, virtualisation platforms, storage, networking technologies, and container orchestration platforms including Kubernetes and Open Shift. Working closely with security teams, architects, application teams, and service delivery functions, the role supports business-critical services while driving automation, modernisation, and operational excellence initiatives.

Accountabilities include (but are not limited to):

• Design, deploy, and support enterprise infrastructure across cloud and on-premises environments.
• Administer and optimise Microsoft Azure services and cloud-native infrastructure.
• Manage and maintain Windows Server and Linux-based environments.
• Deploy, configure, and support Kubernetes and Open Shift container platforms.
• Implement Infrastructure as Code (IaC) and automation solutions to improve platform management.
• Ensure infrastructure security, compliance, resilience, and availability requirements are met.
• Monitor system performance, capacity, and operational health across all managed environments.
• Support backup, disaster recovery, and business continuity capabilities.
• Collaborate with security teams to implement secure-by-design infrastructure solutions.
• Troubleshoot and resolve complex incidents, problems, and technical issues.
• Maintain technical documentation, standards, and operational procedures.
• Mentor junior engineers and contribute to knowledge sharing across technical teams.
• Support infrastructure transformation, cloud migration, and technology refresh activities.

• Deliver reliable and scalable infrastructure solutions.
• Support the adoption and governance of cloud services.
• Ensure high levels of platform availability, performance, and resilience.
• Drive infrastructure modernisation initiatives.

• Design and support Kubernetes and Open Shift hosting platforms.
• Enable secure and efficient deployment of containerised workloads.
• Improve platform automation, observability, and operational efficiency.
• Support platform scalability and lifecycle management.

• Maintain infrastructure services in accordance with service level objectives.
• Identify and resolve recurring operational issues.
• Improve system monitoring, alerting, and performance management.
• Ensure operational processes follow industry best practices.
• Promote Infrastructure as Code and automation-first approaches.
• Develop and maintain automation solutions using scripting and orchestration tools.
• Reduce manual operational overhead through process improvement.
• Drive continuous service enhancements and innovation.

• Support the development of infrastructure roadmaps and strategic plans.
• Manage technical risks, dependencies, and operational challenges.
• Participate in capacity planning and technology lifecycle management.
• Provide technical assurance and delivery confidence across programmes and projects.
• Escalate issues and risks appropriately.

• Bachelor's degree in Computer Science, Information Technology, Systems Engineering, or a related discipline.
• 5+ years of experience in infrastructure, systems, cloud, or platform engineering roles.
• Strong experience supporting enterprise-scale cloud and on-premises environments.
• Demonstrable…