Network Security Engineer - Vunerability and Patch Management

Access Computer Consulting plc; Lancashire; Remote; GBP 83,000 - 124,000; Full time

Job summary

Access Computer Consulting plc is seeking a Network Security Engineer for a nights-only, fully remote UK role on a 6-month contract. The position involves hands-on engineering for firewall, security infrastructure patching, and vulnerability remediation within a large enterprise environment.

You will patch and upgrade security infrastructure in live production settings, perform pre- and post-maintenance checks, and ensure accurate change records and handover documentation.

Qualifications

• Strong hands-on enterprise network security engineering experience.
• Experience with patching/upgrading security infrastructure in live prod environments.
• ITIL change management familiarity.
• Experience with Check Point, Palo Alto and Fortinet.
• Experience with Cisco ISE and Cisco Firewall/FMC.
• Familiarity with utilities/critical infrastructure security environments would be advantageous.

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.

Tools

Check Point

Palo Alto

Fortinet

Cisco ISE

Cisco Firewall/FMC

Citrix NetScaler

Job description

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.