Infrastructure Engineer

A world leading trading business is looking to hire an Infrastructure Engineer to be based in London.

You'll be responsible for designing, maintaining, and enhancing the Windows infrastructure that underpins the trading platforms and corporate services. Working alongside infrastructure, networking, security, and application teams, you'll play a key role in delivering highly available, low-latency, enterprise-grade solutions.

Key Responsibilities

• Design, implement, and support enterprise Windows Server infrastructure.
• Administer Active Directory, Group Policy, DNS, DHCP, and PKI environments.
• Manage Microsoft technologies including Windows Server, Hyper‑V, Failover Clustering, and IIS.
• Support Microsoft 365, Azure AD (Entra ID), and hybrid cloud environments where applicable.
• Build, maintain, and improve automation using PowerShell.
• Manage VMware infrastructure and virtual server estates.
• Maintain enterprise storage, backup, and disaster recovery solutions.
• Monitor infrastructure health and proactively resolve performance or availability issues.
• Implement security best practices, patch management, and vulnerability remediation.
• Support high‑availability systems with minimal downtime.
• Produce and maintain technical documentation and operational procedures.
• Participate in infrastructure projects, upgrades, and out-of-hours maintenance where required.

Required Skills & Experience

• Strong experience administering Windows Server (2016/2019/2022).
• Excellent knowledge of Active Directory, Group Policy, DNS, DHCP, and certificate services.
• Strong PowerShell scripting and automation skills.
• Experience with VMware vSphere or Hyper‑V.
• Experience supporting Microsoft 365 and Azure hybrid environments.
• Knowledge of enterprise monitoring and logging platforms.
• Experience with backup technologies such as Veeam or Commvault.
• Strong understanding of networking fundamentals including TCP/IP, routing, switching, and firewalls.
• Experience implementing security hardening and infrastructure best practices.
• Experience working within financial services, trading, or capital markets.
• Knowledge of low-latency infrastructure and highly available systems

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