Senior 3rd Line Support Engineer

We’re working with a global organisation to appoint a remote Senior 3rd Line Infrastructure Engineer to support and evolve their enterprise IT environment. This is a senior, hands-on role with ownership of complex incidents, critical infrastructure, and high-impact projects across multiple sites. We are looking for someone with strong Network experience from an MSP environment. The Role * Own and resolve 3rd line BAU and P1 incidents, including on-call rota * Act as the senior escalation point for infrastructure and network issues * Deliver and support infrastructure, network, and security projects * Lead root cause analysis for major incidents and service outages * Maintain high availability across servers, networks, and core platforms * Support monitoring, change, and out-of-hours maintenance activities * Mentor and support junior engineers Key Experience * Proven 3rd line infrastructure engineering background (MSP Background) * Strong networking expertise (Cisco/HPE switches, routing, firewalls, wireless) * Microsoft stack: Azure AD, Windows Server, Active Directory, GPO, O365, SCCM, RDS * Virtualisation & storage: VMware, SAN (FC / iSCSI) * Backup & recovery: Veeam (including M365) * Linux (Ubuntu) exposure and automation experience beneficial * Strong awareness of cyber security best practices Desirable * Vendor certifications (Microsoft, Cisco, VMware, Juniper) * PowerShell or scripting experience * ITIL v4 This is an excellent opportunity to work in a global, business-critical environment with exposure to enterprise-scale infrastructure and long-term development