Senior IT Infrastructure Engineer - Identity & Access

Sunbelt Rentals Careers; United Kingdom; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading rental company in the United Kingdom is seeking a Senior IT Infrastructure Engineer to design, implement, and support IT solutions both on-premises and in the cloud. This full-time position involves collaborating with various teams, leading projects, and providing technical expertise. The ideal candidate should have proven experience in IT infrastructure projects, strong communication skills, and an analytical mindset. Join us in driving technological transformation and enhancing our IT infrastructure.

Qualifications

• Proven experience delivering IT infrastructure projects in an enterprise environment.
• Positive, self-motivated, and able to motivate others.
• Willingness to continually advance your skills and knowledge within IT Infrastructure.

Responsibilities

• Design, implement, and support IT infrastructure solutions to meet business needs.
• Lead and deliver projects, ensuring alignment with IT strategy.
• Provide guidance and mentoring to colleagues.

Skills

IT infrastructure projects delivery

Communication and collaboration

Analytical thinking

Multi-site network environments

Self-motivation

Willingness to learn

Tools

Microsoft Entra

Azure B2C

Job description

About The Role

As a Senior IT Infrastructure Engineer, you’ll join our Design & Build team—the projects arm of IT Infrastructure at Sunbelt Rentals. Reporting to the Senior IT Infrastructure Architect, you’ll work on a wide range of infrastructure projects, from discovery through to delivery, and provide technical expertise across the business. While each engineer will have a specialist area, you’ll also be expected to contribute to projects and support across all aspects of our IT Infrastructure.

You’ll collaborate with colleagues in End User Computing, Security, and Development teams, supporting both on‑premises and cloud environments. Our team is moving towards greater cloud governance and Infrastructure as Code, and you’ll play a key role in this transformation.

This is a permanent full time position.

Key Responsibilities

• Design, implement, and support IT infrastructure solutions (on‑premises and cloud) to meet business needs.
• Lead and deliver projects, ensuring alignment with IT strategy and business objectives.
• Act as a Subject Matter Expert (SME) in your specialism, providing guidance and mentoring to colleagues.
• Recommend and implement improvements, including in response to security trends and incidents.
• Support the development and implementation of IT strategy and roadmap.
• Train and mentor team members across Infrastructure Support and End User Computing.
• Provide technical support to Development teams, especially for our Sunbelt 4.0 digital transformation programme.
• Collaborate with the Security team and End User Computing on best practice design, configuration and any complex infrastructure aspects of their implementation.
• Be flexible to work on projects or support in any area of IT Infrastructure as required.

About You

Essential Skills & Experience

• Proven experience delivering IT infrastructure projects in an enterprise environment.
• Strong communication and collaboration skills.
• Analytical thinker with strong problem‑solving skills.
• Experience in multi‑site network environments.
• Positive, self‑motivated, and able to motivate others.
• Willingness to continually advance your skills and knowledge within IT Infrastructure.
• Advanced knowledge in the following specialisms (see below).
• Full Driving Licence

Specialism Essential Skills & Experience - Identity & Access

• Core Microsoft Entra platform, with experience in platform ownership and application configurations.
• Identity Governance: maintaining and evolving processes, policies, and controls.
• Identity & Access Management: defining and supporting processes and procedures, acting as a backstop for complex issues.
• Single Sign‑On (SSO) and SCIM: supporting integration for a large portfolio of applications.
• Azure B2C: supporting customer identity for web platforms for our corporate Command Centre.
• Collaboration with Security and End User Computing teams to ensure best practice design and configuration.

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 be an employer of choice this makes Sunbelt Rentals an ideal destination for your next career move.