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    Senior Systems Engineer - Secure Digital Platform (SDP)

    Technology
    CBSbutler Holdings Limited trading as CBSbutler
    Oxfordshire, Reading
    Contract
    Competitive
    On-Site

    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

    If this is of interest, please feel free to submit your CV.

    Posted on August 12, 2026

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