Technical Architect

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 (url removed) and I will get in touch