Network Security Consultant Contract: 12 months Rate: £600-£700 per day (Outside IR35) Location: London / Hybrid (1-2 days per week on-site) Sector: Public Sector Security 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 Overview You 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 Responsibilities Design, implement, configure and support Palo Alto Strata (NGFW) and Panorama environments Deliver firewall deployments, upgrades and migrations from legacy platforms Provide centralised firewall management using Panorama Define and implement security policies, NAT, routing, VPNs, and security profiles Optimise firewall performance, security posture, and rule bases Troubleshoot complex network and security issues Produce high-quality technical documentation (HLDs, LLDs, implementation and handover documents) Work closely with technical teams and stakeholders in public sector environments Essential Skills & Experience Palo Alto Strata (Next-Generation Firewalls) Panorama Proven experience delivering security solutions in project or consultancy environments Strong understanding of firewall technologies, network security, and enterprise networking Experience working in public sector or highly regulated environments Must already hold active SC clearance