Senior M365 Solutions Architect

INEOS; Runcorn; On-site; GBP 60,000 - 90,000; Full time

Job summary

INEOS seeks a Senior M365 Developer to lead design, development and evolution of Microsoft 365 based solutions that enable digitalisation, automation, and data-driven decision making across the organisation.

This role combines hands-on delivery with platform ownership, working with stakeholders to translate business needs into scalable, secure, and maintainable solutions aligned with the M365 and Power Platform strategy.

Qualifications

• Strong experience designing and developing solutions within Microsoft 365, including SharePoint, Power Apps, Power Automate and Power BI.
• Ability to translate business needs into scalable technical solutions and architectures.
• Experience integrating systems using APIs, including Microsoft Graph API and external services.

Responsibilities

• Partner with business stakeholders to understand processes, challenges, and opportunities, shaping effective M365-based solutions.
• Lead the design and development of scalable solutions across the M365 stack, including SharePoint, Power Apps, Power Automate, and Power BI.
• Own end-to-end solution delivery, including architecture, design, build, testing, deployment, and user adoption.
• Drive best practices in solution design, governance, security, and lifecycle management across the M365 platform.
• Act as a technical lead for M365 initiatives, including oversight of SIT, UAT, and go-live activities to ensure high-quality delivery.
• Maintain and optimise existing solutions, ensuring performance, reliability, and alignment with evolving business needs.
• Contribute to the definition and evolution of the M365 / Power Platform strategy, identifying opportunities to improve efficiency and standardisation.
• Support the adoption of modern development practices (e.g., CI/CD, DevOps, reusable components) within the platform.
• Provide guidance and mentoring to junior developers and support collaboration across a distributed team.

Skills

M365

SharePoint

Power Apps

Power Automate

Power BI

JavaScript

TypeScript

C#

Azure

APIs

CI/CD

DevOps

Stakeholder communication

Tools

Visual Studio

VS Code

Graph Explorer

Postman

Job description

INEOS seeks a Senior M365 Developer to lead design, development and evolution of Microsoft 365 based solutions that enable digitalisation, automation, and data-driven decision making across the organisation.

This role combines hands-on delivery with platform ownership, working with stakeholders to translate business needs into scalable, secure, and maintainable solutions aligned with the M365 and Power Platform strategy.