Network Security Consultant

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