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No10 M365 Engineer

Job details
Posting date: 27 February 2026
Salary: £47,670 to £51,690 per year
Hours: Full time
Closing date: 18 March 2026
Location: SW1A 2AA
Company: Government Recruitment Service
Job type: Permanent
Job reference: 450753/1

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Summary

The Prime Minister’s Office enables the Prime Minister to deliver the Government’s overall priorities and to communicate the Government’s policies to Parliament, the public and international audiences. From the Policy Unit, Press Office, Switch and Custodians, to the Events & Visits team and the Private Office support; the diverse Downing Street team draws on varied expertise from across the Civil Service and beyond. The teams come together to deliver excellent service to the Prime Minister while also making No10 a great place to work.

We are seeking a skilled and motivated Microsoft 365 Engineer to join our busy and fast-paced ICT Service Delivery team, based in the heart of UK Government. This is an exciting opportunity to contribute to the delivery and evolution of modern digital services that support critical government operations.

As part of a small, highly collaborative technical team, you’ll play a key role in ensuring our Microsoft 365 suite is fully leveraged to streamline and modernise business processes across departments. You’ll work closely with colleagues from across ICT, other government departments, No10 business areas, and with external suppliers to deliver high-quality, secure, and user-focused solutions.

What You’ll Be Doing

  • Lead the maintenance, enhancement, and rollout of any Microsoft 365 services, ensuring they meet operational, security and needs and strategic goals.
  • Develop and implement a clear roadmap for M365 services, identifying opportunities for innovation and improvement.
  • Provide expert support and troubleshooting for M365-related issues, resolving them efficiently and effectively.
  • Collaborate with stakeholders to understand business requirements and translate them into technical solutions using M365 tools.
  • Contribute to the strategic direction of IT and Telecoms services, influencing future network architecture and service delivery.
  • Share knowledge and best practices with colleagues, supporting a culture of continuous improvement and learning.

What We’re Looking For

  • Strong technical expertise in Microsoft 365 services including administrating Exchange Online, SharePoint, Teams, OneDrive, and Power Platforms.
  • Proven experience in deploying, configuring, and managing M365 environments in a complex organisation.
  • Excellent problem-solving and analytical skills, with the ability to work at pace and under pressure.
  • Strong communication and stakeholder engagement skills, with the ability to explain technical concepts to non-technical audiences.
  • A proactive and collaborative approach, with a commitment to delivering high-quality services and driving innovation.

Why Join Us?

  • Be part of a supportive and inclusive team where your voice is heard and your contributions are valued.
  • Work on varied and meaningful projects that make a real difference.
  • Access to relevant training and development opportunities to support your career growth.
  • Enjoy a flexible working environment with a strong emphasis on work-life balance.

Key responsibilities:

Your key responsibilities are to manage, maintain and enhance the M365 technologies used by staff, to get the best service possible, value for money and appropriate security wrap. You will also provide support to the business on any M365 products.

This will be achieved by:

  • Working internally with ICT Service Delivery team to build modern, scalable, secure IT systems
  • Managing, maintaining, researching, recommending and implementing configuration and best practices for:
    • Exchange
    • Teams
    • SharePoint
    • OneDrive and
    • other related products
  • Ensuring high availability and performance of our Microsoft 365 services
  • Advocate and promote the internal toolset and make sure that we are using them to their full potential
  • A part of your role will be to liaise with users, architects, and business areas to understand and develop ideas on how the M365 suite can help efficiency, save costs, or negate the needs of other systems
  • You will work with our Microsoft account managers and the ICT support team to stay on top of new features and releases ensuring that business areas are aware of new functionality before it is rolled out
  • You will guide and train junior members of the team in day-to-day procedures as necessary, so they can train users, and complete basic ICT administration tasks
  • Supporting the Head of No10 IT Service Delivery to develop network strategy and deliver supporting projects to meet business requirements on time and within budget, from procurement to the delivery of the service

Daily activities can include:

  • Monitoring, administering and managing M365 services
  • Ensuring service availability, performance, and security
  • Investigating and resolving faults in services
  • Implementing preventative measures and providing advice on solutions
  • Configuring collaboration features, permissions, and access controls
  • Using PowerShell or other scripting languages to automate repetitive tasks
  • Creating and maintaining scripts for provisioning, user management, and reporting
  • Performing administration, maintenance and system tasks such as testing, and applying updates, patches, and feature releases to Microsoft 365 services
  • Documenting configurations, procedures, and best practices
  • Optimising licensing and subscription costs
  • Mentoring and leading less experienced members of the team to develop skills across the team
  • Keeping up to date with new practices and innovation in technologies
  • Bringing in recommendations to improve system performance, security, and reliability
  • Participating in being on the full team on-call support rota

Plus, many more ad hoc technical, commercial and business activities required in support of the team’s work

Proud member of the Disability Confident employer scheme

Disability Confident
A Disability Confident employer will generally offer an interview to any applicant that declares they have a disability and meets the minimum criteria for the job as defined by the employer. It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people. For more details please go to Disability Confident.

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