Senior Network Hosting & Cloud Architecture Lead

Harvey Nash Group; Greater London; Hybrid; GBP 120,000 - 180,000; Full time

Job summary

Harvey Nash Group in London is seeking a Senior Network Security Engineering Lead to shape hosting network architectures for enterprise workloads, internet services, and regulated payment platforms. You will drive security, resilience, and performance in multi-cloud and on‑prem environments.

You will lead architecture governance, partner with vendors and internal teams, and deliver large-scale hosting transformations while embedding Zero Trust, encryption, and audit-ready practices.

Qualifications

• Senior-level networking and hosting architecture experience in banking/finance environments.
• Deep knowledge of enterprise, internet, and cloud networking and security.

Responsibilities

• Lead hosting network architecture strategy across on-prem, internet-facing, and multi-cloud environments.
• Own governance for market data, payment platforms, and cloud hosting designs.
• Architect and operate cloud networking across AWS, Azure, Google Cloud, and Oracle Cloud.
• Drive major hosting transformations including data centre modernization and SaaS adoption.
• Champion automation, observability, and IaC to improve performance and cost efficiency.

Skills

Multi-cloud networking

Low-latency design

Zero Trust

Automation (Python)

Architecture leadership

Regulated environments

Tools

Python

Ansible

IaC (Terraform)

Job description

Harvey Nash Group in London is seeking a Senior Network Security Engineering Lead to shape hosting network architectures for enterprise workloads, internet services, and regulated payment platforms. You will drive security, resilience, and performance in multi-cloud and on‑prem environments.

You will lead architecture governance, partner with vendors and internal teams, and deliver large-scale hosting transformations while embedding Zero Trust, encryption, and audit-ready practices.