Senior Platform Engineer - Microsoft Power Platform & SharePoint Online

AvaconeΒ· UK
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πŸ“ London, England, United KingdomFull time

About this role

Role overview

We are seeking an experienced Senior Platform Engineer to manage, govern, and continuously improve Microsoft Power Platform and SharePoint Online, alongside core Microsoft 365 services.

The role combines hands-on platform operations with responsibility for governance, security, and the platform operating model. You will work closely with developers, business users, and stakeholders to deliver reliable services, establish clear standards, and support the migration of legacy solutions.


Key responsibilities

  • Manage daily operations for Power Platform, SharePoint Online, OneDrive for Business, Teams, and Exchange Online, including monitoring, incident resolution, service requests, updates, and access management.
  • Establish and maintain Power Platform governance through the Centre of Excellence, covering environments, policies, templates, inventory, monitoring, and adoption.
  • Define and maintain the platform’s target operating model, including roles, processes, controls, and support arrangements.
  • Lead platform security design, including permissions, identity and access controls, data protection, and data loss prevention, in line with BIS standards. Apply Microsoft Purview capabilities where appropriate.
  • Collaborate with developers to establish engineering standards, review solutions, and promote effective development, testing, and release practices.
  • Plan and deliver SharePoint site migrations to SharePoint Online and migrate legacy workflows to Power Automate, ensuring clear stakeholder communication and minimal business disruption.
  • Coach developers and business users on reusable components, naming conventions, testing, and maintainable solution design.
  • Drive automation and continuous service improvement, maintaining clear technical designs, operational procedures, and support documentation.

Required skills and experience

  • Strong hands-on experience configuring, governing, and operating Microsoft Power Platform, including Power Apps, Power Automate, and Dataverse.
  • Practical experience implementing and using the Power Platform Centre of Excellence for governance, monitoring, and adoption.
  • Strong SharePoint and SharePoint Online expertise, including site design, permissions, information architecture, and migration.
  • Experience migrating legacy workflows to Power Automate.
  • Solid experience supporting day-to-day Microsoft 365 operations across SharePoint Online, OneDrive for Business, Teams, and Exchange Online.
  • Strong understanding of Microsoft 365 security and compliance, including identity and access management, data protection, retention, and data loss prevention.
  • Experience applying Microsoft Purview capabilities where required.
  • Ability to produce clear, practical designs and documentation that other teams can maintain and support.
  • Strong communication, stakeholder management, and coaching skills.
  • A collaborative, organised approach, with the ability to work independently in a diverse, multicultural environment.

Frequently Asked Questions

Is the salary disclosed for the Senior Platform Engineer - Microsoft Power Platform & SharePoint Online position at Avacone?
The salary for this Senior Platform Engineer - Microsoft Power Platform & SharePoint Online role at Avacone is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Platform Engineer - Microsoft Power Platform & SharePoint Online position at Avacone located?
This Senior Platform Engineer - Microsoft Power Platform & SharePoint Online role at Avacone is based in London, England, United Kingdom. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Platform Engineer - Microsoft Power Platform & SharePoint Online role at Avacone full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Platform Engineer - Microsoft Power Platform & SharePoint Online role in the UK department at Avacone.
Which team or department does the Senior Platform Engineer - Microsoft Power Platform & SharePoint Online at Avacone belong to?
This Senior Platform Engineer - Microsoft Power Platform & SharePoint Online position is part of the UK department at Avacone. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Platform Engineer - Microsoft Power Platform & SharePoint Online position at Avacone?
Click the "Apply Now" button on this page. You will be redirected to Avacone's official application portal hosted on workable where you can submit your application directly.
When was the Senior Platform Engineer - Microsoft Power Platform & SharePoint Online job at Avacone posted?
This Senior Platform Engineer - Microsoft Power Platform & SharePoint Online position at Avacone was posted on Sep 21, 2026. Apply as soon as possible β€” early applications are often reviewed first.
Senior Platform Engineer - Microsoft Power Platform & SharePoint Online
Avacone
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