Overview
Technical Architect
On site in London • 6 months + • Outside IT35 • £650 - £700 a day • DV cleared contract
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.
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