Cyber Defence Network Engineer – Incident Response

Grant Thornton UK; Greater London; On-site; GBP 85,000 - 110,000; Full time

Job summary

Grant Thornton UK is seeking an experienced Network Engineer for the Cyber Defence Centre. The role focuses on containment and recovery during live incidents, security assessments and hardening, and delivering managed security solutions in client environments.

You will work with Netskope One SASE, Entra ID, Azure, and various firewall platforms, shaping responses and improving client security postures.

Qualifications

• Experience securing hybrid cloud and on-premise environments.
• Familiarity with SASE, Zero Trust concepts and Netskope One.
• Ability to perform security reviews and hardening across multiple platforms.

Responsibilities

• Deliver containment and recovery during live client security incidents.
• Perform security reviews and configuration hardening across cloud and on-premise estates.
• Design and implement security solutions in client environments.

Skills

Networking knowledge

Cloud security

NIST CSF / CIS Benchmarks

Incident response

Education

CCNA / CCNP training

Tools

Microsoft Azure

Entra ID

Prowler / ScubaGear

Firewalls (Cisco, Palo Alto)

Job description

Grant Thornton UK is seeking an experienced Network Engineer for the Cyber Defence Centre. The role focuses on containment and recovery during live incidents, security assessments and hardening, and delivering managed security solutions in client environments.

You will work with Netskope One SASE, Entra ID, Azure, and various firewall platforms, shaping responses and improving client security postures.