Senior Network Engineer – Cloud, DC & Automation

IG KnowHow; City Of London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Development programs

Mentoring opportunities

Career progression

Volunteer time off

Job summary

IG Group in London seeks a Senior Network Engineer to strengthen and evolve our enterprise network. You will lead data center enhancements, design and operate containerised and cloud-based platforms, and drive proactive improvements across reliability and performance.

You will collaborate with development teams, mentor engineers, and maintain comprehensive network documentation to ensure clarity and continuity in a fast-paced, high-demand trading environment.

Qualifications

• 10+ years in a Senior Network Engineering role managing medium to large-scale networks.
• Advanced routing and switching knowledge with hands-on experience.
• Strong TCP/IP understanding across diverse hardware and software.
• Experience with BGP, VxLAN and vPCs in production networks.

Responsibilities

• Act as technical lead for data center network integration and standardisation.
• Design, implement, and operate containerisation and public cloud platforms.
• Collaborate to design and manage scalable, highly available network infrastructure.
• Apply automation and DevOps practices to improve reliability and security.
• Partner with development teams to deliver value-added services.
• Mentor engineers and promote learning and excellence.
• Maintain up-to-date network documentation and diagrams.

Skills

Senior experience

Routing & switching

TCP/IP stack

BGP

VxLAN

vPCs

DNS platform

Arista platforms

AGNI CVaaS

F5 LTM/AFM

Incident response

Cloud networking

AWS/GCP

Tools

Infoblox DNS

Arista platforms

F5 LTM/AFM

AGNI CVaaS

Job description

IG Group in London seeks a Senior Network Engineer to strengthen and evolve our enterprise network. You will lead data center enhancements, design and operate containerised and cloud-based platforms, and drive proactive improvements across reliability and performance.

You will collaborate with development teams, mentor engineers, and maintain comprehensive network documentation to ensure clarity and continuity in a fast-paced, high-demand trading environment.