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 RequirementsTechnical 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 Jobs in United Kingdom on Arbeitnow