Collaboration & Mobility Engineer

Millennium Management LLC; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Millennium Management LLC is seeking a Collaboration & Mobility Engineer to administer Intune, manage mobile apps, and design secure access for on‑prem and BYOD environments. You will deploy Entra App Proxy, configure Global Secure Access, and ensure seamless integration with Conditional Access and identity controls.

You will coordinate iOS release-readiness, support iOS/Android SDK integration, monitor health, and drive automation within the global infrastructure team.

Qualifications

• Experience with mobile device management and MAM using Intune.
• Experience with Entra App Proxy and Global Secure Access.
• Experience with Microsoft 365 services (Entra ID, Exchange Online, OneDrive, SharePoint).

Responsibilities

• Administer Intune for mobile enrollment, compliance, app protection and migrations.
• Manage lifecycle of mobile apps across corporate and BYOD environments.
• Design and maintain Entra App Proxy solutions for on-prem apps.
• Engineer Global Secure Access policies and integrate with Conditional Access.
• Coordinate iOS/iPadOS release-readiness and SDK integration with Intune.
• Validate policies, monitor infrastructure health and resolve incidents via ServiceNow.
• Automate processes and contribute to global infrastructure projects.

Skills

Mobile device management

Mobile app management

PowerShell scripting

Analytical problem-solving

Tools

Microsoft Intune

Microsoft Entra Application Proxy

Microsoft 365 services

Global Secure Access

Job description

Collaboration & Mobility Engineer

About Millennium

Millennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors.

Our people are empowered with both independence and support: the autonomy to pursue ideas with conviction and the backing of a global network committed to collaboration, disciplined risk management and continuous learning. With opportunities to deepen expertise and accelerate development, talent at Millennium is equipped to adapt, evolve and build lasting impact over time. Discover how transformative growth accelerates impact.

Meet the Team

The Information Technology organization supports Millennium’s active, multi-manager business model through flexible, scalable technology and advanced proprietary systems, including next-generation analytical and trading capabilities. Within Infrastructure, the Collaboration and Productivity team manages email, chat, mobility, and Microsoft 365 services. The team partners with global infrastructure groups, application developers, and vendors to deliver secure, scalable collaboration and mobility solutions.

What You'll Do

• Administer Microsoft Intune for mobile device enrollment, compliance, application protection, configuration profiles, and application assignments, and lead migrations of corporate devices and applications to Intune
• Manage the lifecycle of internally developed and third-party mobile applications across corporate and bring-your-own-device environments, including deployment, testing, upgrades, and retirement
• Design and maintain Microsoft Entra Application Proxy solutions, including connector architecture, pre-authentication, and single sign-on, to securely publish on-premises applications
• Engineer and support Microsoft Global Secure Access, including Private Access and Internet Access policies, traffic forwarding profiles, and client deployment; integrate these capabilities and Application Proxy with Conditional Access, identity controls, and monitoring
• Coordinate iOS and iPadOS release-readiness testing and partner with developers on Intune SDK integration, managed browser behavior, single sign-on, and secure connectivity
• Validate mobile application policies, access dependencies, connectivity, and data protection controls; monitor collaboration infrastructure health, capacity, and performance
• Resolve requests and incidents through ServiceNow, support business-critical escalations, and own vendor support cases with Microsoft, Apple, and third-party providers through resolution
• Automate processes and workflows, contribute to global infrastructure projects and new services, and document infrastructure and operational procedures

What You Bring

• Experience with mobile device management and mobile application management using Microsoft Intune, including mobile SDK integration
• Experience with Microsoft Entra Application Proxy and Global Secure Access
• Experience with Microsoft 365 services, including Microsoft Entra ID (formerly Azure AD), Exchange Online, OneDrive, and SharePoint Online
• Knowledge of mobile application development for iOS and Android; experience with BlackBerry UEM is preferred
• Broad knowledge of Windows Server administration, network design, storage, and load balancing
• PowerShell scripting skills to support automation and operational improvements
• Strong analytical and problem-solving skills, with the ability to exercise independent judgment and work effectively with moderate supervision
• Strong communication and interpersonal skills, with a collaborative approach and willingness to learn and contribute across teams