Senior IT Infrastructure / Systems Engineer

Main responsibilities Design, build, and support corporate networks, servers, storage, telephony, and systems Implement secure, fault-tolerant infrastructure solutions Provide technical leadership and architectural direction across multiple teams Act as an internal escalation point for complex infrastructure issues Plan and execute projects across the infrastructure landscape Lead and participate in infrastructure, systems, and application projects Migrate systems from on‑premise to co‑location and cloud environments Mentor less senior staff Manage vendors for hardware, software, and service troubleshooting Help define and execute enterprise-wide infrastructure strategy Develop solutions supporting international expansion Requirements Technical Requirements 8+ years of hands-on experience with enterprise LAN/WAN, servers, and storage Strong experience with routing, switching, firewalls, wireless infrastructure (physical & virtual) Hands-on experience with VMware ESXi, vSphere, and vCenter Experience administering Okta SSO / MFA Extensive experience with Microsoft Server OS and Active Directory Cloud experience with AWS and Azure (cloud-first approach) Disaster recovery and business continuity design experience Microsoft collaboration stack: O365, Teams, SharePoint, OneDrive Strong scripting skills Patch deployment experience Network and systems monitoring experience (plus) Splunk experience (plus) ITIL experience (plus) Linux experience (plus) Cisco Meraki experience (plus Education & Certifications Minimum AA degree in Information Systems or equivalent experience Cisco certification (plus) O365 certifications (plus) AWS certifications (plus) Windows certifications (plus) Find more English Speaking Jobs in United Kingdom on Arbeitnow