550 per day 6-Month Contract (Inside IR35) - Umbrella OnlyDidcot, Oxfordshire - Hybrid Working (2-3 Days Onsite) Your new organisationWe provide the digital infrastructure and enterprise technology services that underpin complex scientific programmes and operational environments. Our portfolio includes multi-site networks, external connectivity, cyber security, identity management, collaboration platforms, telephony and critical business services. As we progress a substantial programme to strengthen cyber resilience, harden systems and improve our structures, processes and policies, we need an experienced Senior Network Engineer to sustain secure and reliable network operations during this period of change.Your new roleYou will take a senior, hands-on role in supporting and maintaining our multi-site network estate, with particular responsibility for Fortinet firewalls, LAN and WAN infrastructure, routing, Wi-Fi, IP address management, network access control and cloud telephony. Around 80% of your time will focus on business-as-usual operations, with 10% dedicated to projects outside the cyber resilience programme and 10% covering administration and associated responsibilities. Working across technical teams, you will provide leadership and practical guidance, resolve complex incidents, protect network stability and security, contribute to new solutions, and oversee the transition of services into live operation.What you''ll need to succeedYou will bring at least 5 years of ..... full job details .....