Senior Infrastructure and Voice Engineer
Core
Senior technical specialist providing Level 3 support, troubleshooting, and design for secure, reliable infrastructure, networking, cloud, and UC/VoIP solutions.
Role type
Senior Infrastructure and Voice Engineer (IC)
Builds
Production infrastructure, network, cloud, and voice communication environments for enterprise clients
Domain
IT Infrastructure, Networking, Unified Communications, Telecommunications
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
LAN/WAN, SD-WAN, TCP/IP, routing, switching, firewalls, VPNs, VoIP, SIP, RTP, Unified Communications, Microsoft Teams Phone, cloud telephony, PSTN connectivity, SIP trunking, dial plans, call routing, voice gateways, number porting, carrier networks, Cisco IOS, FortiOS, Microsoft 365, Azure, Windows Server, Linux, Active Directory, VMware, Hyper-V, SAN storage, scripting, databases, backup solutions, web services, remote access technologies, SSL certificates
Preferred skills
MSP/multi-client environment experience, datacentre/hosting/colocation background, process improvement, automation
Technologies
Cisco IOS, FortiOS, Microsoft 365, Azure, Windows Server, Linux, Active Directory, VMware, Hyper-V, SAN storage
Responsibilities
Provide Level 3 technical support and escalation across infrastructure, networking, cloud, and UC environments; Troubleshoot and resolve complex issues relating to LAN/WAN networks, servers, storage, Microsoft technologies, and VoIP platforms; Design, implement, and support SIP-based telephony, Microsoft Teams Phone, Direct Routing, and other cloud communication solutions; Configure, maintain, and optimise network, server, cloud, and telecommunications infrastructure; Collaborate with Service Delivery, Project teams, clients, telecommunications carriers, and vendors; Develop high-level and low-level solution designs, technical documentation, and operational procedures; Monitor client environments, respond to incidents, and ensure service delivery meets agreed SLAs; Provide technical leadership, mentoring, and guidance to junior engineers and support teams; Identify opportunities for process improvement, automation, and operational efficiency; Participate in project delivery activities and an on-call support roster
Seniority
Senior, hands-on IC