We are currently recruiting for an experienced Network and Firewall Specialist to work a 12-month contract for our client 100% on-site in Aldermaston, Reading. Essential: Strong understanding of network fundamentals and troubleshooting processes. Experience working with Juniper Virtual Chassis and Clustering technology. Juniper most essential. Experience with configuring/troubleshooting EVPN/VXLAN on Juniper equipment. Experience of configuring GRE tunnels and Routing Instances/VRFs. Experience of PKI/certificate generation and renewal. Networking: strong routing skills (OSPF, BGP), Firewall configuration, WAN/LAN design, device clustering, high availability. Juniper Technologies: EX, QFX, switch configuration, SRX, vSRX Firewall and policy config, Junos Space, Security Director, Apstra. Security Platforms: FortiGate, F5 BIG-IP (Load Balancing/AWAF), Pulse Secure/Ivanti, high-grade encryption. Identity andamp; Access Management: Cisco ISE (full life cycle), Windows NPS (RADIUS/802.1X). Monitoring andamp; Observability: SolarWinds, Splunk. Core Network Services: IPAM, DHCP, DNS. Effective communication with technical and non-technical stakeholders. Willingness to work flexibly and to occasionally work evenings and weekends where exceptional circumstances require it. Travel to remote sites when required which may involve overnight stays. Part of on call rota. Desirable: Juniper and Cisco certification but experience is more important. Data Centre experience advantageous. ..... full job details .....