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Senior Enterprise Infrastructure Engineer at Boku · Katori

Build the payment infrastructure powering global commerce.

Boku connects billions of consumers to the payment methods they prefer, one market at a time. Our platform connects the world’s leading digital businesses to the local payment methods their customers already use. Spotify, Meta, Microsoft, Netflix and Tencent already run on Boku’s payment infrastructure. We operate across 60+ countries, support 200+ local payment methods and reach 7.5 billion consumer accounts.

With headquarters in London and San Francisco and colleagues working across markets around the world, Boku is global by default. From London to Mumbai, São Paulo to Singapore, our teams collaborate across time zones, markets and cultures to build products for customers around the world.

Join us to solve complex, real-time payment challenges at global scale. We share knowledge freely, take ownership of complexity and look for people who question how things are done and find better ways to build.

Role Purpose

Boku operates a cloud-first, global enterprise infrastructure estate spanning Azure, Microsoft 365, and 40+ SaaS products. As Senior Enterprise Infrastructure Engineer, you will contribute to the design, build, and ongoing maintenance of Boku's core infrastructure as part of the infrastructure team, with a strong focus on automation, Infrastructure-as-Code, and AI-driven operational tooling. You will operate autonomously on complex infrastructure problems as part of a small, senior infrastructure team, working closely and collaboratively with other infrastructure engineers, the Head of Global IT, and across the Service Delivery and Solution Engineering teams to deliver secure, scalable, and well-governed platforms.

Key Responsibilities

Infrastructure Design, Build & Maintenance

Design, build, and maintain core cloud infrastructure across Azure, with a strong emphasis on repeatable, well-documented, Infrastructure-as-Code delivery.
Contribute to the lifecycle of critical infrastructure components, from architecture through to day-to-day operation and continuous improvement, as part of the infrastructure team.
Manage identity and access at scale using Entra ID, including RBAC, Conditional Access, and integration with downstream applications.
Design, configure, and maintain enterprise networking and firewall infrastructure, including routing, WAN connectivity, and firewall administration across Boku's global sites.
Support Privileged Access Management (PAM) using Delinea, including vault administration, access policy, and session management for privileged accounts, alongside the infrastructure team.

Automation & AI-Driven Operations

Develop and maintain Infrastructure-as-Code using Terraform for provisioning and configuration of Azure resources.
Manage Power Platform environments, including environment strategy, governance, and access.
Write scripts and tooling in Python and PowerShell to automate infrastructure tasks, reporting, and system integrations.
Identify and deliver opportunities to embed AI and intelligent automation into infrastructure operations, working alongside the Solution Engineering team.
Design and support systems integrations that allow infrastructure and operational tooling to interact with AI-driven platforms and agents.

Endpoint & Device Management

Manage and support endpoint management systems including Microsoft Intune and Kandji, covering enrolment, configuration, patching, and compliance.

Cloud & SaaS Ecosystem

Support and help govern Boku's wider SaaS estate, ensuring infrastructure decisions align with a cloud-first strategy.
Partner with Security to harden the Microsoft 365 tenant and infrastructure estate against relevant compliance frameworks (ISO 27001, SOC 2, DORA).

Technical Leadership

Act as a senior technical point of contact for infrastructure design decisions, escalations, and complex troubleshooting.

Change Control & Documentation

Ensure all infrastructure changes are properly documented, tested, and communicated in line with IT change control processes.
Produce and maintain clear technical documentation, runbooks, and architecture records.

What good looks like

Core Azure infrastructure is built and documented using Infrastructure-as-Code, with minimal manual configuration.
Identity and access controls (Entra ID, RBAC, Conditional Access) are consistently applied and regularly reviewed.
Infrastructure and operational tasks are automated wherever practical, using Terraform, Power Platform, Python, or PowerShell.
Opportunities to apply AI and intelligent automation to infrastructure operations are identified and progressed with Solution Engineering.
Endpoint fleets managed through Intune and Kandji are compliant, patched, and enrolled to policy.
The Microsoft 365 tenant and wider SaaS estate meet relevant compliance frameworks (ISO 27001, SOC 2, DORA).
Infrastructure changes are documented, tested, and follow IT change control processes without exception.
Technical documentation, runbooks, and architecture records are kept current and usable by others.

Skills & Experience

Experience

7+ years in infrastructure or cloud engineering roles, ideally within a cloud-first, SaaS-centric organisation.
Demonstrable experience designing, building, and maintaining production infrastructure end-to-end.

Technical skills

Strong hands-on experience with Microsoft Azure, including core infrastructure, networking, and identity services.
Solid working knowledge of Entra ID: RBAC, Conditional Access, app registrations, and identity governance.
Practical experience writing and maintaining Terraform for Infrastructure-as-Code.
Experience building automation or workflow solutions using Microsoft Power Platform, including environment management and CI/CD pipeline creation and design.
Strong scripting ability in Python and PowerShell.
Hands-on experience with endpoint management tools: Microsoft Intune and Kandji.
Practical experience with enterprise networking and firewall administration (routing, WAN, firewall configuration and management).
Experience with Privileged Access Management (PAM) solutions, ideally Delinea.
Understanding of how infrastructure and operational systems can interact with AI-driven tooling and platforms.

Desirable

Knowledge of AI platforms and APIs such as OpenAI and Anthropic, and how they can be applied to infrastructure and operational workflows.
Familiarity with Cloudflare, including Zero Trust and related network/security services.
Experience in a global or enterprise IT environment operating across multiple regions.
Familiarity with compliance frameworks such as ISO 27001, SOC 2, or DORA.
Experience administering Zoom telephony and contact centre solutions.

Leadership & mindset

Strong stakeholder management, able to translate technical concepts for non-technical audiences.
Customer-focused, proactive problem-solver who thrives in ambiguous, fast-paced environments.
Passion for continuous learning and driving operational excellence through automation and best practice.
End-to-End ownership

Technologies & Tools

Microsoft Azure
Microsoft Entra ID
Terraform
Microsoft Power Platform
Dynamics 365
Python
PowerShell
Microsoft Intune
Kandji
Microsoft 365
Delinea
Cloudflare
Enterprise network and firewall hardware
Zoom (telephony / contact centre)

Location

London (Hybrid)

Senior Enterprise Infrastructure Engineer

Senior Enterprise Infrastructure Engineer

Asks for

Values