Windows Engineering Lead (Fintech)

Company: Hamilton Barnes ?
Apply for the Windows Engineering Lead (Fintech)
Location: London
Job Description:

A leading global FinTech organisation is looking for a Lead Windows Engineer and evolve its enterprise Microsoft infrastructure estate across a global environment.

This is a senior technical leadership role with responsibility for a small international engineering team. The position combines hands‑on technical leadership, operational ownership, automation initiatives and infrastructure project delivery within a highly available, business‑critical environment.

The role would suit someone with strong Microsoft infrastructure expertise who enjoys driving technical standards, improving automation, acting as an escalation point for engineers, and leading the strategic direction of a modern Windows platform. It is also an excellent opportunity for someone looking to take their technical leadership skills to the next level while collaborating on a range of exciting projects and technically challenging initiatives within a fast‑paced global business.

Key Responsibilities

Own and lead the global Windows & Microsoft infrastructure environment

Provide technical leadership and mentorship to a distributed engineering team

Drive automation and Infrastructure‑as‑Code initiatives across the estate

Act as the senior escalation point for complex infrastructure issues

Lead infrastructure improvement and modernisation projects

Manage and optimise core Microsoft technologies including:

Windows Server

Microsoft 365

Active Directory / Entra ID

Support hybrid cloud infrastructure environments across Azure and AWS

Improve operational efficiency, platform reliability and security posture

Work closely with technical operations and wider infrastructure teams globally

Requirements

Strong background in enterprise Windows infrastructure engineering

Experience leading or mentoring technical engineering teams

Advanced PowerShell scripting and automation experience

Experience with Infrastructure-as-Code tooling such as Terraform

Strong understanding of:

Microsoft 365

Active Directory / Hybrid Identity

Experience operating within complex, global infrastructure environments

Strong troubleshooting and escalation management capability

Location

West London (Hybrid 3x per week in the office)

Up to £125,000 basic salary per annum

Discretionary bonus

If you are looking for an opportunity where you can combine hands‑on technical expertise with leadership responsibility, influence the direction of a global Microsoft estate, and play a key role in driving automation and infrastructure transformation, this could be an excellent next step in your career.

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Posted: July 6th, 2026