Network Security Engineer - Vunerability and Patch Management

Network Security Engineer – Night Shift Remote 6–Month Contract

Location: UK Remote (Candidates must be resident in the UK)
Duration: 6 Months
Shift Pattern: Nights Only – Expected 4 On / 4 Off, 12–Hour Shifts (5:30pm–5:30am) – TBC
IR35: Inside IR35 – Umbrella Company

We are looking for experienced Network Security Engineers to support a major cybersecurity vulnerability remediation and infrastructure patching programme within a large enterprise environment.

This is a hands–on engineering role involving firewall, security infrastructure and access control platform patching during planned overnight maintenance windows.

Key Responsibilities

• Implement security platform patches, firmware upgrades and vulnerability remediation changes.

• Carry out approved firewall and network security infrastructure changes.

• Perform pre– and post–maintenance checks and validation testing.

• Troubleshoot issues arising from security infrastructure changes.

• Maintain change records and operational handover documentation.

Essential Skills

• Strong hands–on enterprise network security engineering experience.

• Practical experience across technologies including:

  • Check Point, Palo Alto and Fortinet

  • Cisco ISE and Cisco Firewall/FMC

  • Citrix NetScaler

• Experience patching and upgrading security infrastructure in live production environments.

• Good understanding of firewalls, authentication and access control.

• Familiarity with ITIL change management and rollback procedures.

Experience within utilities, energy or critical infrastructure environments, together with relevant security certifications, would be advantageous.

Important: This is a nights–only contract, expected to follow a 4–on/4–off shift pattern. The role is fully remote within the UK and inside IR35, with payment through an umbrella company.

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