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CBSbutler Holdings Limited trading as CBSbutler
Technical Architect
£650
/day - £700
/day
London
In office
Graduate
Junior
Mid
Senior
Leader
Description
+DV cleared contract
+On site in London
+6 months +
+Outside IT35
650 - 700 a day
Skills:
+DV clearance
+CCNP
+Vmware
+HLD / LLD
We are seeking a highly experienced Technical Architect to join a secure, high-profile programme. The role requires someone with deep expertise across data centre networking, private cloud, security, and automation - with the ability to lead architecture, design, and governance at the highest level.
Key Responsibilities
Architecture & Design - Develop HLDs, LLDs, and build guides for end-to-end infrastructure solutions. Ensure alignment with security frameworks (Secure By Design, NCSC CAF, NIST 800-53).
Networking & Security - Architect secure, multi-tenant data centre networks (Clos-fabric, advanced BGP, DCI). Implement strong security using Palo Alto firewalls, VMware NSX-T micro-segmentation, and cross-domain solutions.
Compute & Virtualisation - Design/manage VMware VCF private cloud platforms, VxRail/vSAN hyper-converged compute, and software-defined networking.
Platform & Application Services - Deliver containerisation, secrets management, and enterprise messaging systems (Docker, RabbitMQ).
Governance & Leadership - Present to the Technical Design Authority, act as SME for infrastructure stack, and enforce CIS/STIG compliance.
Automation - Drive Infrastructure as Code (IaC) adoption and automated infrastructure deployment.
Core Technical Expertise
Data Centre Networking - Clos-fabric, VRFs, EBGP, ECMP, active/active DCI.
Network Security - Palo Alto firewalls, high-grade crypto.
Private Cloud & HCI - VMware VCF, VxRail/vSAN, Veeam.
Software-Defined Networking (SDN) - VMware NSX-T (Geneve overlays, Edge Node config, DFW, NSX Federation).
Security Architecture - Multi-tier secure environments (DMZs, CDS, Diodes/HAGs, AV - Trellix preferred).
Operating Systems - Senior Linux (Ubuntu) & Windows (Server 2025, SQL 2022, AD, PKI, MECM).
Application Platforms - Docker, CI/CD pipelines, secrets management, object storage (S3).
EUC - Omnissa Horizon, UAGs, Zero/Thin client environments.
Desirable Skills
EVPN/VXLAN, Fortigate, Panorama, VMware SSP (vDefend).
IaC (Terraform, Ansible), CI/CD (GitLab), Python orchestration.
Observability (Prometheus, Grafana), SIEM (Splunk, Aria Logs).
Advanced VMware: SRM, Avi Load Balancer, Workspace ONE.
Application/data platforms: Kubernetes, Vault, Redis, RabbitMQ, Elastic Stack.
Dell Powerscale & NVIDIA GPU passthrough experience.
Professional Skills & Qualifications
Proven ability to lead design workshops & governance board presentations.
Strong documentation skills (HLDs, LLDs, Build Guides).
Knowledge of CIS, STIG, and NIST 800-53 frameworks.
Certifications such as CISSP, CCNP (or equivalent experience) desirable.
If you’d like to discuss this Technical Architect role in more detail, please send your updated CV to (url removed) and I will get in touch.
Role tech stack
Linux
Prometheus
Windows
Terraform
Ubuntu
Windows Server
Redis
Kubernetes
Ansible
Grafana
Python
Docker
Splunk
Vault
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CBSbutler Holdings Limited trading as CBSbutler
Technical Architect
£650/day - £700/day
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