Cyber Defence Network Engineer — Incident Response

Grant Thornton (UK); City Of London; Hybride; GBP 65 000 - 95 000; Plein temps

Avantages offerts par ce poste

Flexible working options

Collaborative, cross-functional team

Résumé du poste

Grant Thornton is seeking an experienced Network Engineer for their Cyber Defence Centre. You will lead containment of live incidents, perform security reviews, and design security solutions across cloud and on‑premise environments, collaborating with DFIR, SOC and advisory teams.

The role emphasizes hands-on incident response, security hardening, and delivering secure network design aligned with business priorities and regulatory requirements.

Qualifications

• Minimum criteria include experience in network engineering with a security focus.
• Active pursuit or holding NCCSI certification is required.
• Typically 3+ years in security-focused roles with incident response exposure.

Responsabilités

• Deliver containment and recovery of live client security incidents.
• Perform security reviews and hardening across cloud and on‑premise environments.
• Design and implement security solutions across Microsoft 365, Entra ID, Azure, AWS.
• Produce security architecture artefacts and SOC playbooks for client teams.

Connaissances

LAN/WAN

VLAN segmentation

Layer 2/3 access control

Routing & switching

DMZ architecture

DNS & DHCP

Firewall policy design

SASE & Zero Trust

Netskope One

Terraform

CrowdStrike Falcon

Azure / Entra ID

Formation

Cisco CCNA

CCENT

AZ-900

SC-900

Outils

Netskope One

Terraform

CrowdStrike Falcon

Azure

Entra ID

AWS

Oracle Cloud

Description du poste

Grant Thornton is seeking an experienced Network Engineer for their Cyber Defence Centre. You will lead containment of live incidents, perform security reviews, and design security solutions across cloud and on‑premise environments, collaborating with DFIR, SOC and advisory teams.

The role emphasizes hands-on incident response, security hardening, and delivering secure network design aligned with business priorities and regulatory requirements.