Network Security Consultant Contract: 12 monthsRate: 600- 700 per day (Outside IR35)Location: London / Hybrid (1-2 days per week on-site)Sector: Public SectorSecurity Clearance: SC Cleared (mandatory) 83zero are partnered with a leading cyber security consultancy who are looking for an experienced Consultant to support a major public sector programme, focused on the delivery and optimisation of Palo Alto Strata (Next-Generation Firewalls) and Panorama.This is a senior, hands-on consulting role working across complex, enterprise-scale environments, delivering secure and resilient network security solutions.Please only apply if you have SC Clearance Role OverviewYou will be responsible for the design, implementation and ongoing improvement of Palo Alto firewall environments, supporting transformation and security uplift programmes across public sector organisations. Key ResponsibilitiesDesign, implement, configure and support Palo Alto Strata (NGFW) and Panorama environmentsDeliver firewall deployments, upgrades and migrations from legacy platformsProvide centralised firewall management using PanoramaDefine and implement security policies, NAT, routing, VPNs, and security profilesOptimise firewall performance, security posture, and rule basesTroubleshoot complex network and security issuesProduce high-quality technical documentation (HLDs, LLDs, implementation and handover documents)Work closely with technical teams and stakeholders in public sector environments Essential Skil