Technical Architect

CBSbutler Ltd.; London; On-site; GBP 200,000 +; Full time

Job summary

A leading technology consultancy is seeking a highly experienced Technical Architect to join a secure, high-profile programme in London. The role involves extensive networking, private cloud design, and architecture governance. Candidates should possess DV clearance and deep expertise in data centre networking and security. Competitive day rate of £650 - £700. To apply, send your CV to the provided email.

Qualifications

• Experience leading architecture, design, and governance.
• Proven ability to lead design workshops and governance presentations.
• Strong documentation skills for HLDs and LLDs.

Responsibilities

• Develop HLDs, LLDs, and build guides for infrastructure solutions.
• Architect secure, multi-tenant data centre networks.
• Design and manage VMware VCF private cloud platforms.
• Present to the Technical Design Authority.

Skills

DV clearance

CCNP

Vmware

HLD / LLD

Education

Certifications such as CISSP, CCNP

Tools

Terraform

Ansible

Docker

GitLab

Job description

Technical Architect

+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 [e-mail] and I will get in touch.