Global Network Security Engineer — Automate at Scale

G-Research; City of Westminster; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Lunch provided (Just Eat for Business)

Barista bar

Informal dress code

Monthly company events

Job summary

G-Research is seeking an experienced Network Security Engineer to design, implement and maintain scalable security infrastructure at our London HQ. You’ll design security systems, automate controls and partner with Security Architecture to drive roadmaps while supporting global infrastructure.

The role focuses on high-performance networks, deep packet inspection and modern attacker techniques. You’ll collaborate with infrastructure teams to ensure alignment and compliance, delivering secure,

Qualifications

• Familiarity with security frameworks such as NIST and CIS.
• Experience configuring enterprise firewalls (Fortinet, Palo Alto).
• Experience with web proxy technologies and traffic inspection.
• F5 technologies (LTM/ASM/APM) experience beneficial.
• Strong understanding of deep packet inspection and security engineering principles.
• Solid networking knowledge (TCP/IP, routing, switching, DNS).
• Experience with automation and scripting.
• Experience with privileged access management solutions.

Responsibilities

• Design and implement security systems and architectures.
• Deliver high-quality security designs and roll-out strategic initiatives.
• Partner with Security Architecture to drive security roadmaps.
• Collaborate with core infra teams to align infrastructure goals.
• Conduct regular network security audits and ensure internal standards.

Skills

NIST/CIS security frameworks

Fortinet

Palo Alto

Web proxies

F5 LTM/ASM/APM

Deep packet inspection

TCP/IP/DNS

Automation scripting

Privileged access management

Tools

Fortinet

Palo Alto

F5 (LTM/ASM/APM)

Job description

G-Research is seeking an experienced Network Security Engineer to design, implement and maintain scalable security infrastructure at our London HQ. You’ll design security systems, automate controls and partner with Security Architecture to drive roadmaps while supporting global infrastructure.

The role focuses on high-performance networks, deep packet inspection and modern attacker techniques. You’ll collaborate with infrastructure teams to ensure alignment and compliance, delivering secure,