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FI
Finastra

Principal Systems Architect - M365 and EUC

LocationLondon
Work modehybrid
Typefull-time
SeniorityLead
Company size1,001–5,000 people
PostedSep 11, 2026 · 1mo ago
Verified live3h ago
At a glanceSummarised by Seekless from the posting.
Must have14
Deep expertise in Microsoft 365 services (Exchange, Teams, SharePoint, OneDrive)
Strong knowledge of Entra ID, identity, authentication, and compliance features
Advanced PowerShell scripting and automation experience
Experience leading large-scale M365 migrations
Understanding of governance and change management processes
Experience with Intune and endpoint management
Proven, demonstrable IT experience with strong M365 engineering background
Experience working in global enterprise environments in similar roles
Bachelor's degree in IT or equivalent experience
Strong communication and stakeholder management skills
Excellent problem-solving abilities
Self-motivated and adaptable work style
Customer-focused mindset
Ownership and accountability in delivery
Nice to have4
Microsoft certifications such as Enterprise Administrator Expert
Experience using migration tools like Quest or ShareGate
Knowledge of hybrid environments and Zero Trust models
Exposure to Graph API or other scripting languages
Skills
Exchange Online
Teams
SharePoint Online
OneDrive
Entra ID
PowerShell
Intune
Quest
ShareGate
Graph API
Benefits
Unlimited PTO
Hybrid working
Health insurance
Life insurance
Disability insurance
Retirement plans
Employee assistance program
Paid volunteer time
Donation matching
Who are we?
At Finastra, we’re a global leader in financial services software, dedicated to expanding access to financial services and shaping what’s next for the industry. Our technology powers mission‑critical solutions across Lending, Payments and Universal Banking, supporting over 7,000 customers, including 80% of the world’s top 50 banks, in more than 110 countries.
Role Overview
The Microsoft 365 Architect at Finastra is a senior, hands-on engineering and operations role responsible for the design and day-to-day management of the global Microsoft 365 environment. This role combines strategic platform architecture with practical administration and L3/L4 support, ensuring services are secure, reliable, and aligned with business needs.
Key Responsibilities
•
Architecture & Design: Define and evolve architecture for M365 services including Exchange Online, Teams, SharePoint Online, and OneDrive.
•
Governance & Compliance: Establish tenant-wide policies for data protection, retention, and regulatory compliance.
•
Platform Administration & Monitoring: Administer and troubleshoot M365 services to ensure performance and availability.
•
Incident Management & Escalation: Act as SME and escalation point for complex issues, performing root cause analysis.
•
Migrations & Projects: Lead tenant-to-tenant migrations and coordinate global delivery.
•
Automation & Tooling: Develop PowerShell automation and improve reporting and efficiency.
•
Documentation: Maintain runbooks and documentation for operational consistency.
•
Collaboration & Leadership: Work with global stakeholders and provide technical leadership.
Required Technical Skills
•
Deep expertise in Microsoft 365 services (Exchange, Teams, SharePoint, OneDrive).
•
Strong knowledge of Entra ID, identity, authentication, and compliance features.
•
Advanced PowerShell scripting and automation experience.
•
Experience leading large-scale M365 migrations.
•
Understanding of governance and change management processes.
•
Experience with Intune and endpoint management.
Desirable Skills
•
Microsoft certifications such as Enterprise Administrator Expert.
•
Experience using migration tools like Quest or ShareGate.
•
Knowledge of hybrid environments and Zero Trust models.
•
Exposure to Graph API or other scripting languages.
Experience & Qualifications
•
Proven, demonstrable IT experience with strong M365 engineering background.
•
Experience working in global enterprise environments in similar roles.
•
Bachelor’s degree in IT or equivalent experience.
Success Characteristics
•
Strong communication and stakeholder management skills.
•
Excellent problem-solving abilities.
•
Self-motivated and adaptable work style.
•
Customer-focused mindset.
•
Ownership and accountability in delivery.
Benefits
We are proud to offer a range of incentives to our employees worldwide. These benefits are available to everyone, regardless of grade, and reflect the values we stand for:
Flexibility: Enjoy unlimited vacation, subject to local regulations and business priorities. Benefit from hybrid working arrangements and inclusive policies such as paid time off for voting, bereavement, and sick leave.
Well‑being: Access confidential one‑to‑one support through our Employee Assistance Program, connect with our network of Wellbeing Champions and Gather Groups, and take part in monthly events and initiatives designed to help you thrive—inside and outside of work.
Health & Financial Security: Medical, life and disability insurance, retirement plans, lifestyle, and other benefits.*
Sustainability: Paid time off for volunteering and donation‑matching opportunities to support causes that matter to you.
Inclusion: Get involved in our inclusion communities, such as Count Me In, Culture@Finastra, Proud@Finastra, Disabilities@Finastra, and Women@Finastra—open to everyone who wants to participate and contribute.
Career Development: Access online learning and accredited courses through our Skills & Career Navigator tool.
Recognition: Take part in our global recognition program, Finastra Celebrates, and share your voice through regular employee surveys that help shape our culture and ways of working.
*Specific benefits may vary by location.
At Finastra, each individual is unique—bringing their own ideas, perspectives, cultural backgrounds, and experiences. We learn from one another, value what makes us different, and create an environment where everyone feels included, supported, and able to be their authentic selves.
Be unique. Be exceptional. Help us make a difference at Finastra.
More roles at Finastra
Associate Software EngineerSoftware EngineerAssociate QA Manual & Automation EngineerExpert Database AdministratorSenior Director, Strategic Accounts
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