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Quant Capital
Infrastructure Engineer

Infrastructure Engineer

On site

London, United kingdom

£ 65,000 /year

Mid level

Full Time

22-10-2025

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Skills

Communication PowerShell Firewalls Endpoint Security Networking Windows Azure TCP/IP Windows Server

Job Specifications

Infrastructure Engineer – Azure / Microsoft / Security

£65,000 + Bonus + Benefits

Hybrid – South West London (3 days onsite)

Quant Capital are partnering with a fast-growing FinTech 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 at scale.

You’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 Experience

5+ years in infrastructure engineering or systems engineering
Strong Microsoft environment expertise:
Windows Server, AD/Entra ID, Group Policy, O365, Intune
Solid networking foundations:
TCP/IP, VLANs, DNS, VPNs, Wi-Fi
Security engineering knowledge:
System hardening, endpoint security, SIEM, incident handling
ISO27001, 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 (PowerShell)
Exposure to data centre deployments
Strong documentation and communication habits

About the Company

Executive Search and Recruitment to the Quantitative Trading and Financial Technology space. We provide a discrete search capability for the best known and most prestigious Hedge Funds & Prop Trading firms in the world. Our specialized experience, market knowledge, extensive network, and commitment to client service ensure that every search is conducted effectively. Quant Capital has been the Recruitment Partner to the Fintech50 for many years. Our goal is to be recognised as a partner to the most interesting trading and... Know more