CBSbutler Holdings Limited trading as CBSbutler
Feb 28, 2026
Contractor
Technical Architect +6 months + +Hybrid in London +eDV clearance +Inside IR35 + 650 - 700 a day We are seeking an experienced eDV Cleared Technical Architect to design and assure secure, mission-critical infrastructure within a high-security government environment. The Role You will lead the production of High-Level and Low-Level Designs (HLDs/LLDs) for secure, multi-tenant platforms, ensuring alignment to Secure by Design principles and frameworks including the National Cyber Security Centre (NCSC) CAF and National Institute of Standards and Technology (NIST 800-53) . You'll present at TDA, act as the infrastructure SME, and ensure all solutions are hardened to CIS/STIG standards. Key Experience Modern data centre networking (Clos-fabric, BGP, ECMP, DCI, EVPN/VXLAN) Palo Alto firewalls and secure cross-domain architectures VMware private cloud, including VMware Cloud Foundation (VCF) , VxRail/vSAN and NSX-T Secure multi-tier environments (DMZs, segmentation, high-grade crypto) Linux & Windows Server administration (AD, PKI, SQL) Docker, CI/CD, Infrastructure as Code (Terraform/Ansible) Desirable Kubernetes, Vault, Splunk, Panorama, Avi, SRM, Dell Powerscale, NVIDIA GPU, VDI (Omnissa Horizon). This is a high-impact role shaping secure cloud and infrastructure architecture at scale. If you hold active eDV clearance and thrive in complex, secure environments, we'd like to hear from you.