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# Infrastructure Engineer - Azure / Microsoft / Security

- **Company:** Quant Capital
- **Location:** London, UK
- **Contract:** Permanent contract
- **Skills:** Microsoft Access, Microsoft Azure, Data Centers, Domain Name System (DNS), Virtual Private Networks (VPN), Uptime, Windows Servers, PCI Data Security Standards, Windows PowerShell, Role-Based Access Control, Security Information and Event Management, TCP/IP, Virtual Local Area Networks, Cloud Platform System, Office365, System Availability, Software Troubleshooting, Cisco Firewalls, Ddos
- **Published:** August 18, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/44323243/

## About the Role

practiceTroubleshoot complex incidents and enable engineering teamsRequired Experience5+ years in infrastructure engineering or systems engineeringStrong Microsoft environment expertise:Windows Server, AD/Entra ID, Group Policy, O365, IntuneSolid networking foundations:TCP/IP, VLANs, DNS, VPNs, Wi-FiSecurity engineering knowledge:System hardening, endpoint security, SIEM, incident handlingISO27001, GDPR or PCI compliance exposureCertificates (SSL/TLS), WAF/DDoS, email securityAzure engineering background:Governance, networking, identity and security configurationOwnership mindset and strong troubleshooting abilityNice to HaveFortinet or Cisco firewall experienceAutomation (PowerShell)Exposure to data centre deploymentsStrong documentation and communication habits

## Description

Infrastructure Engineer - Azure / Microsoft / Security70,000 + Bonus + BenefitsHybrid - 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 RoleEngineer, maintain and evolve hybrid Microsoft infrastructureDeliver uptime-focused projects across networking, cloud and securityDrive hardening, compliance and platform security standardsImprove performance across identity, access and connectivityDesign and manage Azure services: VNETs, RBAC, DNS, VPN, firewallsOwn platform documentation and operational best


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