Senior Systems Engineer - Secure Digital Platform (SDP)

CBSbutler Ltd.; Reading; On-site; GBP 145,000 - 152,000; Full time

Job summary

CBSbutler Ltd. is seeking a Systems Engineer to join the Secure Digital Platform (SDP) team on a Reading-based hybrid contract.

The role is an initial 12-month engagement with on-site work three days per week and a focus on secure digital infrastructure for high-sensitivity defence projects. You will support secure cloud and on-prem environments, assist with Microsoft Azure administration, manage Windows and Linux servers, and work with container platforms such as Kubernetes/OpenShift, IaC

Qualifications

• Experience within defence, aerospace, MOD, government or other secure environments.
• Experience supporting Windows Server and/or Linux platforms.
• Understanding of cloud technologies, ideally Microsoft Azure.
• Knowledge of networking fundamentals (TCP/IP, DNS, DHCP, VPNs, firewalls).
• Exposure to VMware, Hyper‑V, Kubernetes, OpenShift or container technologies.
• Interest in automation, DevOps practices and modern platform engineering.

Responsibilities

• Supporting secure cloud and on-premises infrastructure environments
• Assisting with Microsoft Azure administration and cloud platform operations
• Maintaining Windows Server and Linux environments
• Supporting virtualisation platforms and enterprise hosting solutions
• Working with Kubernetes/OpenShift container platforms
• Monitoring system performance, availability and resilience
• Supporting incident management, troubleshooting and service improvements
• Contributing to automation and Infrastructure-as-Code initiatives using tools such as Terraform, Ansible or PowerShell
• Supporting secure infrastructure changes, documentation and operational processes

Skills

Azure administration

Windows Server / Linux

Kubernetes / OpenShift

Infrastructure as Code

DevOps mindset

Networking basics

Secure environment experience

Tools

Terraform

Ansible

PowerShell

VMware

Hyper-V

OpenShift

Kubernetes

Job description

Systems Engineer - Secure Digital Platform (SDP)

Reading/Hybrid (3 days per week on site)

12 Month Contract

£71.43 per hour Inside ir35

Active SC Clearance is required for this role

Play a key role in delivering the next generation of UK defence capability.

We are supporting a defence client on the Global Combat Air Programme (GCAP) - a landmark international defence initiative developing the future combat air system - and are looking for a Systems Engineer to join the Secure Digital Platform (SDP) team.

This is an opportunity to work on highly sensitive MOD and aerospace programmes, helping build and support the secure digital infrastructure that underpins mission-critical defence capability.

Responsibilities:

• Supporting secure cloud and on-premises infrastructure environments
• Assisting with Microsoft Azure administration and cloud platform operations
• Maintaining Windows Server and Linux environments
• Supporting virtualisation platforms and enterprise hosting solutions
• Working with Kubernetes/OpenShift container platforms
• Monitoring system performance, availability and resilience
• Supporting incident management, troubleshooting and service improvements
• Contributing to automation and Infrastructure-as-Code initiatives using tools such as Terraform, Ansible or PowerShell
• Supporting secure infrastructure changes, documentation and operational processes

Expereince Required:

• Experience within defence, aerospace, MOD, government or other secure environments
• Experience supporting Windows Server and/or Linux platforms
• Understanding of cloud technologies, ideally Microsoft Azure
• Knowledge of networking fundamentals (TCP/IP, DNS, DHCP, VPNs, firewalls)
• Exposure to VMware, Hyper‑V, Kubernetes, OpenShift or container technologies
• Interest in automation, DevOps practices and modern platform engineering

Why join?

• Work on the GCAP programme, shaping future defence technology
• Support secure digital platforms within a highly sensitive aerospace environment
• Gain exposure to modern cloud, container and automation technologies
• Join a world-leading defence organisation at the forefront of innovation