Infrastructure Engineer – Azure​/Microsoft​/Security

Infrastructure Engineer – Azure / Microsoft / Security
70,000 + Bonus + Benefits Hybrid – South West London (3 days onsite)
Quant Capital are partnering with a fast-growing Fin Tech scale-up hiring an Infrastructure Engineer to own their core platform across cloud, networking and security. This role suits someone who understands high availability, engineers with discipline, and cares about building secure, reliable systems ’ll take technical ownership from day one. You’ll design, operate and improve hybrid Microsoft/Azure infrastructure while acting as a senior escalation point for the business.

The Role Engineer, maintain and evolve hybrid Microsoft infrastructure

Deliver uptime-focused projects across networking, cloud and security

Drive hardening, compliance and platform security standards

Improve performance across identity, access and connectivity

Design and manage Azure services: VNETs, RBAC, DNS, VPN, firewalls

Own platform documentation and operational best practice

Troubleshoot complex incidents and enable engineering teams

Required Experience5+ years in infrastructure engineering or systems engineering

Strong Microsoft environment expertise:

Windows Server, AD/Entra , Group Policy, O365, Intune Solid networking foundations:

TCP/IP, VLANs, DNS, VPNs, Wi-FiSecurity engineering knowledge:

System hardening, endpoint security, SIEM, incident handling ISO
27001, GDPR or PCI compliance exposure

Certificates (SSL/TLS), WAF/DDoS, email security

Azure engineering background:

Governance, networking, identity and security configuration

Ownership mindset and strong troubleshooting ability

Nice to Have Fortinet or Cisco firewall experience

Automation (Power Shell)
Exposure to data centre deployments

Strong documentation and communication habits