Senior Infrastructure Engineer (Projects) | £47,000 | Oxford The Opportunity: Join a technology-driven engineering organisation delivering resilient, secure infrastructure that supports critical national services. This role is centred on project delivery, platform engineering, and infrastructure transformation, with minimal focus on BAU support. Working as part of a close-knit, office-based team, you'll take ownership of end-to-end infrastructure projects across on-prem and cloud environments - including virtualisation, networking, security, and Microsoft 365 platforms. Key Responsibilities: Leading the design and delivery of infrastructure projects, from initial architecture through to implementation and handover. Driving cloud and Microsoft 365 initiatives, including migrations, tenant configuration, identity integration, and security enhancements. Engineering and optimising hybrid infrastructure environments, integrating on-prem VMware platforms with cloud services. Delivering platform improvements and transformation projects across compute, storage, networking, and identity. Implementing infrastructure automation and repeatable deployment models using PowerShell, Ansible, and CI/CD pipelines. Acting as a senior technical lead on projects, making key design decisions and ensuring best practice engineering standards. Designing and implementing secure solutions (firewalls, VPNs, conditional access, endpoint security, Zero Trust principles). Leading infrastructure upgrade and lifecycle projects, including major version upgrades, migrations, and re-platforming activities. Contributing to ISO 27001 compliance projects, including control implementation, gap analysis, and audit readiness. Designing and testing disaster recovery and business continuity solutions as part of project delivery. Producing detailed technical designs, implementation plans, and documentation aligned to project outcomes. About You: You're a project-focused infrastructure engineer who enjoys building and delivering solutions rather than maintaining the status quo. You take ownership, think in terms of systems and architecture, and thrive in an environment where you can see tangible outcomes from your work. This role requires full-time office presence, working closely with engineers and stakeholders to deliver complex technical projects. Senior Infrastructure Engineer (Projects) | £47,000 | Oxford Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.