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.