As a Senior IT Infrastructure Engineer, you’ll join our Design & Build team—the projects arm of IT Infrastructure at Sunbelt Rentals. You’ll work on a wide range of infrastructure projects, from discovery through to delivery, and provide technical expertise across the business. This role has a strong focus on Identity, Access and Microsoft Entra services, but remains a generalist infrastructure role. You’ll contribute across both cloud and on-premises environments and work closely with Infrastructure, Security, End User Computing and Development teams. Key Responsibilities: Design, implement and support infrastructure solutions across cloud and on-premises environments. Lead technical delivery of projects, ensuring alignment with IT strategy, business objectives and best practices. Deliver and support identity and access solutions using Microsoft Entra and associated technologies. Support application onboarding and access integration activities, including authentication and provisioning. Act as a senior technical point of contact within your area of strength, providing guidance and mentoring to colleagues. Help define and improve standards, processes and governance across the infrastructure estate. Work with Security, End User Computing and Development teams to deliver secure, supportable solutions, taking ownership of design and implementation within your area while collaborating with other teams on theirs. Contribute to technical roadmaps and continuous improvement across the infrastructure estate. What we offer: Join the UK’s largest equipment rental provider. Industry-leading flexible rewards package: generous holiday allowance (with buy/sell options), life assurance, retail discounts, employee recognition, great pension scheme, and private medical insurance. Commitment to your training, personal development, and career progression. About You Essential Skills & Experience Proven experience delivering IT infrastructure projects in an enterprise environment. Strong technical background across core Microsoft infrastructure, cloud and hybrid environments. Hands on experience of configuring Microsoft Entra ID and identity-related services in a business environment. Experience implementing and supporting solutions such as Conditional Access, MFA, SSO, RBAC, Privileged access controls, Guest / external access Experience supporting application integrations using modern authentication methods such as SAML, OAuth or OpenID Connect Good understanding of identity lifecycle, access management and governance controls. Experience with PowerShell and automation scripting. Desirable Skills & Experience Experience with Okta or similar IDPs and migrations to Microsoft Entra. Skilled in VMware and Microsoft Azure infrastructure. Hands‑on SCIM provisioning experience. Knowledge of JML (Joiner/Mover/Leaver) processes. Experience with Azure PIM, access reviews, and entitlement management. Familiar with Azure B2C for customer identity solutions. Experience with Microsoft Purview and M365 DLP tools. Worked in security‑focused environments (e.g., Cyber Essentials Plus). Understanding of hybrid identity and migrations from AD to Microsoft Entra. About Us Why Sunbelt? Whether it's construction sites, energy projects, government initiatives, or unforgettable events, Sunbelt Rentals deliver the equipment and expertise to move every industry forward. With our ambition to an employer of choice this makes Sunbelt Rentals an ideal destination for your next career move. We are committed to the fair treatment of our staff, potential staff, and users of our services, regardless of race, gender, religion, sexual orientation, responsibilities for dependants, age, physical/mental disability, or offending background. Having a criminal record will not automatically bar an individual from working with us. We judge each case on its own merits, taking into account the relevance of the conviction to the role, the circumstances, and the time passed since the offence.