Senior Network Security Engineer - Zscaler & Palo Alto

OpticoreIT; Greater London; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

Opticore IT is seeking a Network Security Engineer to deliver project work for an enterprise broadcast media client. The role is a 12-month contract inside IR35, based in the London area with one day on site per week at White City.

You will implement Opengear remote management, configure Palo Alto firewalls, Proxmox tests, and manage Zscaler components, working with a PM and architect to ensure secure network designs and disaster recovery readiness.

Qualifications

• Experience delivering enterprise-grade network security projects.
• Hands-on with Opengear remote management.
• Knowledge of Palo Alto firewalls and Proxmox virtualization.
• Familiarity with Zscaler and disaster recovery processes.

Responsibilities

• Opengear remote management: diagnose and restore devices during outages.
• Palo Alto: configure, troubleshoot firewalls and NAT changes.
• Proxmox: build and maintain testing and DR virtual infrastructure.
• Disaster Recovery: follow DR plans and document actions taken.
• General security: day-to-day security support across the estate.
• Zscaler: understand ZPA/ZIA and triage basic issues; training provided.

Skills

Out-of-band management

Opengear

Disaster Recovery

Zscaler

BGP

Terraform / IaC

Tools

Palo Alto Firewalls

Proxmox

Opengear

Zscaler (ZPA/ZIA)

Job description

Opticore IT is seeking a Network Security Engineer to deliver project work for an enterprise broadcast media client. The role is a 12-month contract inside IR35, based in the London area with one day on site per week at White City.

You will implement Opengear remote management, configure Palo Alto firewalls, Proxmox tests, and manage Zscaler components, working with a PM and architect to ensure secure network designs and disaster recovery readiness.