> Markdown version of [/jobs/ext/3578295-senior-infrastructure-engineer](https://www.wearedevelopers.com/jobs/ext/3578295-senior-infrastructure-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Infrastructure Engineer - **Company:** DWP Digital - **Location:** York, UK (Remote available) - **Experience:** Expert - **Salary:** £16,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Microsoft Online Services, Microsoft Exchange Server, Enterprise Messaging Systems, Windows PowerShell, Azure Active Directory, Microsoft SharePoint, Api Management - **Published:** October 4, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/senior-infrastructure-engineer/50318405 ## About the Role Senior Infrastructure Engineer Pay up to £73,205 plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. DWP. Digital with Purpose. We are looking for outstanding Senior Infrastructure Engineers who are skilled in Microsoft Exchange and Microsoft 365 to join our community of tech experts in DWP Digital. We're using fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly every person in the UK, every day and at key moments in their lives. DWP is the UK's largest government department. We help people into work and make payments worth over £280bn a year to support and empower millions of people. The scale of what we do is extraordinary, and our purpose is unique. We'd love you to join us. What skills, knowledge and experience will you need? Significant experience in enterprise messaging systems, with a strong focus on Microsoft Exchange and Microsoft 365. Microsoft Certified: Exchange Online or Microsoft 365 Expert certifications with significant experience in managing a Microsoft Exchange environment (On-Premises, Online and Hybrid configurations). Proven ability to manage mail flow, transport rules, connectors, and security configurations as well as PowerShell scripting and automation. Strong understanding of Active Directory, Azure AD, and API integrations (Microsoft Graph, EWS, REST). Demonstrated ability to lead in complex technical initiatives and cross-functional teams with strong stakeholder engagement and ability to translate technical concepts into business outcomes with excellent problem-solving, communication, and documentation skills. Experience of other Microsoft 365 services (Purview, Teams, SharePoint, OneDrive). You and your role We're looking for a Senior Infrastructure Engineer to take ownership of critical Microsoft messaging platforms that keep services running smoothly and securely at scale. You'll lead the design and support of Exchange Online, Hybrid and