Network Security Consultant in London

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 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 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

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