Senior Engineer - M365 & Cloud Platforms

Overview
Connecting clients to markets – and talent to opportunity.
With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors.
Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth.
Business Segment Overview
Corporate: Engage in a deep variety of business-critical activities that keep our company running efficiently. From strategic marketing and financial management to human resources and operational oversight, you’ll have the opportunity to optimize processes and implement game-changing policies.
Position Purpose: We are seeking a Senior Staff Engineer to lead the engineering delivery and long-term evolution of our Microsoft 365, Power Platform, and Azure AI environments across a global enterprise. This is an engineering and delivery leadership role, not a day-to-day administration role: the successful candidate will plan and execute complex, long-running projects — including large-scale migrations and platform modernizations — from design through delivery, while also building and governing AI-enabled solutions using Microsoft Copilot, Power Platform, and Azure AI Foundry. The role works within architectural standards set by our Architecture team and partners closely with security, compliance, and business stakeholders to modernize how the organization collaborates and works.
Responsibilities
Primary duties will include:
Engineering & Delivery — Build, configure, and deliver solutions across M365 workloads (Exchange Online, Teams, SharePoint Online, OneDrive), Power Platform, and Azure AI services, working within designs and standards set by the Architecture team.
Project & Migration Leadership — Plan and execute long-running, multi-phase projects end-to-end, including tenant and platform migrations, integrations, and modernization initiatives. Own project scope, sequencing, risk, and stakeholder communication from kickoff to close.
AI Enablement — Design, build, and deliver AI-enabled solutions across the Microsoft ecosystem using Copilot, Power Platform, and Azure AI Foundry; stay current with new Microsoft AI capabilities and evaluate them for enterprise adoption.
Power Platform & Azure AI Foundry Management — Administer and govern Power Platform environments (Power Apps, Power Automate), including environment strategy, DLP policies, and application lifecycle management. Manage Azure AI Foundry projects, model deployments, and usage governance.
Security & Compliance Implementation — Implement and maintain controls aligned to Conditional Access, MFA, DLP, and Microsoft Purview compliance requirements; partner with security teams on risk mitigation.
Documentation & Knowledge Management — Produce runbooks, standard operating procedures, and knowledge base content for engineering and support teams.
Stakeholder Leadership — Act as the delivery lead and point of escalation for engineering execution across M365, Power Platform, and Azure AI initiatives, and drive adoption of new capabilities across the organization.
Qualifications
T o land this role you will need :
Proven track record planning and executing complex, long-running migration or platform modernization projects in an enterprise environment
Hands-on experience with Microsoft Copilot, Power Platform (Power Apps/Power Automate), and Azure AI Foundry or comparable Azure AI/OpenAI services
Strong PowerShell scripting and automation experience, including Microsoft Graph API
Solid working knowledge of Exchange Online, Teams, and SharePoint Online, including mail flow (SMTP, connectors) and identity fundamentals
Experience governing Power Platform environments (DLP, ALM, Center of Excellence practices)
Demonstrated program/project management skills with the ability to work autonomously across long project timelines
Experience leading migration projects tied to M&A, tenant consolidation, or similar large-scale initiatives
What makes you stand out:
Experience with security tooling (Entra ID, Defender, Sentinel, Intune)
Experience with financial compliance tools (Global Relay, Purview, Proofpoint)
Exposure to hybrid Exchange environments
Experience with Azure OpenAI Service or Azure Cognitive Services
Experience with ServiceNow or similar ITSM tools
Education / Certification Requirements:
Microsoft 365 Administrator Expert (MS-102)
Power Platform certification (PL-400 or PL-600)
Azure AI Engineer Associate (AI-102) or equivalent Azure AI certification
Security certification (SC-200 / SC-300 / SC-400) strongly preferred
Working environment:
4 days' work from office

Work arrangement
Hybrid