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# Senior Infrastructure Engineer

- **Company:** Red King Resourcing
- **Location:** West End, United Kingdom
- **Experience:** Expert
- **Salary:** £92,844
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Artificial Intelligence, Application Integration Architecture, Application Packaging, Microsoft Azure, Backup Devices, Microsoft Online Services, Cloud Computing, Continuous Integration, DevOps, Disaster Recovery, Identity and Access Management, Virtual Private Networks (VPN), Microsoft Office, Windows Servers, Virtual Desktops, Public Key Infrastructure, Windows PowerShell, Azure Active Directory, Microsoft Copilot, Microsoft SharePoint, Security Information and Event Management, Single Sign-On, Software Vulnerability Management, Wide Area Networks, Software Repository, Delivery Pipeline, Firewalls (Computer Science), Git, Microsoft InTune, Microsoft Copilot Studio, Deployment Automation, Bicep, Patch Management, Terraform, Network Server, Cisco
- **Published:** November 14, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5964532597

## About the Role

* Significant hands-on experience managing enterprise hybrid Microsoft infrastructure
 * Strong Azure expertise, including networking, ExpressRoute, Virtual WAN, backup, Site Recovery and security
 * Excellent Microsoft Entra ID knowledge, particularly SSO, SCIM, Conditional Access and identity security
 * Experience administering Microsoft 365, Intune, Autopilot and Windows 11
 * Strong enterprise networking experience across switching, wireless, firewalls, VPN and SD-WAN; Cisco Meraki experience is desirable
 * Solid Windows Server, Active Directory, Group Policy and PKI knowledge
 * Proficiency in PowerShell scripting and automation
 * A strong security mindset, with experience in vulnerability management, hardening and audit requirements
 * Familiarity with Agile delivery, Azure DevOps, Git and CI/CD pipelines
 * Excellent communication and problem-solving skills, with the confidence to work independently and manage multiple priorities
 * Technically strong and delivery-focused, with sound technical judgement, initiative, accountability and the ability to identify improvements
 * Desirable: Infrastructure as Code experience using Terraform, Bicep or ARM
 * Desirable: Microsoft certifications such as AZ-104, AZ-700, SC-300 or MD-102
 * Desirable: Experience with Azure Virtual Desktop, Copilot Studio, AI governance or SIEM/MDR integrations
 * Desirable: ITIL 4 Foundation

## Description

* Design, build and manage Azure infrastructure, including networking, compute, storage, backup, disaster recovery and monitoring
 * Administer Microsoft Entra ID, including SSO, Conditional Access, application integrations, identity governance and access controls
 * Manage Microsoft 365 services, including Exchange Online, Teams, SharePoint and Power Platform governance
 * Own endpoint management through Intune and Autopilot, including Windows 11 deployment, application packaging and patch management
 * Deliver and support office and WAN networking, including Cisco Meraki, SD-WAN/SASE, firewalls, wireless and new office infrastructure fit-outs
 * Maintain Windows Server, Active Directory, Group Policy, PKI, DNS and DHCP services
 * Drive security improvements, vulnerability remediation, infrastructure hardening and audit compliance
 * Plan and execute backup, restore and disaster recovery testing
 * Support Azure DevOps, Git repositories, permissions and deployment pipelines
 * Develop PowerShell automation to improve operational efficiency, reporting and service delivery
 * Maintain accurate technical documentation, configuration records and operational runbooks
 * Lead technical work from initial requirements and design through implementation and handover
 * Provide technical direction to third-party suppliers and challenge unclear proposals or expected outcomes

Technologies:

 * AI
 * ARM
 * Active Directory
 * Azure
 * CI/CD
 * Copilot
 * Cisco
 * DevOps
 * Git
 * Support
 * ITIL
 * Microsoft 365
 * PowerShell
 * Security
 * SharePoint
 * Terraform
 * VPN
 * Windows
 * Office 365
 * Cloud

More:

We are recruiting for our well-established client, which operates a multi-country business with a diverse hybrid Microsoft infrastructure. The role works within a small, agile team and combines project delivery with day-to-day operational responsibility across Azure, Microsoft 365, identity, endpoint management, servers and enterprise networking. The position is based on site three days a week and is inside IR35.