Network Infrastructure Engineer | North London | Initial 6 Month ContractExperis have partnered with a brilliant client based in North London looking to recruit a Network Infrastructure Engineer for an initial 6 month contract.The successful candidate will be responsible for supporting and maintaining secure WAN and LAN network infrastructure.Key Responsibilities:Provide expert technical support for network, network security infrastructure, telecoms and VOIP technologies (Extreme, Cisco, Mitel).Ensure high availability and diverse connectivity in WAN and LAN technologies.Participate in a 24x7 out-of-hours support rota, providing network, infrastructure, and application support as required.Contribute to the Infrastructure Team s work program and task list.Develop and maintain backup and disaster recovery plans for network infrastructure.Configure and manage telecom systems, VOIP technologies, and contact centres.Provide technical expertise and project management for projects including network infrastructure design, implementation and testing.Maintain best practice policies, processes and documentation for network management, reviewing and updating regularly.Document all network systems, covering implementation, admin accounts, security controls, and dependencies, supporting business continuity.Key Experience Required:Previous experience working in an Infrastructure Network role.Extensive experience supporting complex network infrastructure including: LAN, WAN, Extreme, Cisco, Mitel VOIP, Firewalls, Telecoms, VPN.Experience with DNS and DHCP Management.Experience supporting network infrastructure in a large and complex setting.Administration and fault finding experience of routing protocols such as OSPF, EIGRP, BGP.Experience with systems protocols such as DICOM and HL7.Cisco CCNA Certifications.ITIL qualifications (desired).