IT Infrastructure Engineer

About the role

The IT Infrastructure Engineer will be responsible for the design, implement and support reliable, secure IT infrastructure for RoslinCT’s USA operations, working closely with colleagues across the USA and UK. This hands-on role combines systems administration with infrastructure and network design, project delivery and advanced technical support. The role is responsible for maintaining and improving networks, virtualization platforms, physical servers, storage and cloud infrastructure. It supports business and manufacturing continuity through effective monitoring, troubleshooting, backup and recovery, and controlled changes in a regulated environment.

Responsibilities

• Design, configure and support LAN, WAN, wireless, routing, switching, VLANs, VPNs and firewalls, including network segmentation and resilient connectivity between sites and cloud services.
• Administer and improve virtualization platforms, including host and cluster configuration, virtual machine provisioning, migrations, capacity planning and high availability.
• Install, configure and troubleshoot physical servers, storage and network hardware; coordinate maintenance, firmware updates, component replacement and equipment lifecycle planning.
• Build, administer and support infrastructure in AWS or Microsoft Azure, covering compute, storage, networking, access controls, monitoring, backup and cost management.
• Maintain Windows Server, Active Directory, Group Policy, DNS and DHCP, and support integration between on-premises systems and cloud services.
• Own complex infrastructure incidents and provide advanced escalation support. Use logs, monitoring and network diagnostics to isolate faults across network, identity, server, storage, cloud and application layers and implement lasting fixes.
• Configure actionable monitoring and alerts for infrastructure availability, performance and capacity; address risks proactively and plan maintenance with business and manufacturing