Staff IT Engineer

What if the work you did every day could impact the lives of people you know? Or all of humanity? At Illumina, we are expanding access to genomic technology to realize health equity for billions of people around the world. Our efforts enable life-changing discoveries that are transforming human health through the early detection and diagnosis of diseases and new treatment options for patients. Working at Illumina means being part of something bigger than yourself. Every person, in every role, has the opportunity to make a difference. Surrounded by extraordinary people, inspiring leaders, and world changing projects, you will do more and become more than you ever thought possible. Staff IT Engineer – Cambridge Hybrid working, 2–3 days per week in the office As Staff IT Engineer here at Illumina in the UK, you will be a key member of the Enterprise Infrastructure team, responsible for the reliable operation, support, and continuous improvement of enterprise infrastructure, end user computing, and data centre services that underpin business-critical systems and employee productivity. This is a hands-on, operationally focused role supporting on premises and cloud-based compute, storage, virtualization, identity, and endpoint platforms across the enterprise. You will act as a technical authority and escalation point, working closely with Service Desk, EUC, security, and application teams in a global environment. In line with Illumina’s value of Be Accountable, you will take ownership for service reliability, operational excellence, and continuous improvement. Illumina's employee benefits are industry-leading and include, flexible time off, private medical insurance, compassion and care time off, leisure travel insurance, pension, employee stock purchasing program, volunteer time off, and much more! WHY YOU You are an experienced infrastructure engineer who thrives in a hands-on, operational role and enjoys being close to the technology that keeps the business running. You bring deep expertise across enterprise infrastructure, Windows Server environments, identity platforms, and end user computing, with the confidence to act as an escalation point for complex issues. You are a strong troubleshooter who can balance multiple priorities in a fast-paced, compliance-driven environment while remaining calm and methodical. You communicate clearly and professionally with both technical and non-technical stakeholders, and you value collaboration, reflecting Illumina’s Win Together mindset by working effectively across global, cross-functional teams. A bachelor’s degree in computer science or a related discipline, or equivalent practical experience, supports your strong technical foundation. KEY RESPONSIBILITIES INCLUDE: Operate, support, and optimize enterprise data centre and cloud infrastructure including compute, storage, virtualization platforms, and Windows Server environments. Install, configure, troubleshoot, and performance tune infrastructure components to ensure high availability, resilience, and scalability. Support lifecycle management activities including hardware refreshes, operating system upgrades, patching, capacity planning, and decommissioning. Maintain infrastructure reliability, security, and compliance through adherence to operational best practices, standards, and audit requirements. Provide operational support for identity and access management services including Active Directory, Azure AD, Okta SSO, and related authentication platforms. Support enterprise backup and recovery solutions, including Rubrik Data Protection, ensuring data integrity and recoverability. Participate in incident response, root cause analysis, and problem management for infrastructure, identity, and EUC services. Administer and support end user computing platforms including device management, endpoint security, identity access, and collaboration tools. Manage and continuously improve endpoint lifecycle process ... (truncated, view full listing at source)