Senior Network Engineer: Cloud, Automation & Scale

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

Benefits offered by this job

Development programs

Mentoring opportunities with leaders

Clear career progression

Job summary

IG Group in London seeks a Senior Network Engineer to own and evolve the company’s high-speed, highly available network infrastructure across data centers and cloud environments.

You will guide design, implementation and operation of core network services, drive automation and collaboration across teams, and mentor engineers to ensure reliability and performance for client-facing systems.

Qualifications

• 10+ years in a Senior Network Engineering role
• Strong routing and switching expertise across large-scale networks
• Deep TCP/IP knowledge with diverse network hardware and software
• Proven experience with BGP, VXLAN and vPCs in production environments
• Hands-on experience with Infoblox DNS, DNS architecture and DHCP/IPAM
• Experience with Arista campus and data centre platforms
• F5 LTM/AFM familiarity advantageous for application delivery continuity
• Ability to manage high-pressure incidents with composure and speed
• Proven ownership and continuous improvement mindset for reliability, security, and performance
• Collaborative approach across technical and business teams to deliver large-scale projects
• Cloud network design and operation in AWS or GCP environments

Responsibilities

• Act as technical lead to enhance IG data center network facilities
• Design and operate containerisation and public cloud network platforms
• Collaborate with the network team to ensure availability and performance
• Utilise automation and DevOps practices to improve efficiency and resiliency
• Work with development teams to deliver value-added services
• Mentor engineers and promote technical excellence
• Maintain up-to-date network documentation and diagrams

Skills

Routing & Switching

TCP/IP

BGP/VxLAN/vPC

DNS (Infoblox)

Arista Data Center

F5 LTM/AFM

Cloud networking AWS/GCP

Automation/DevOps

Incident response

Technical leadership

Tools

Infoblox DNS

Arista Campus/Data Centre

F5 LTM/AFM

Job description

IG Group in London seeks a Senior Network Engineer to own and evolve the company’s high-speed, highly available network infrastructure across data centers and cloud environments.

You will guide design, implementation and operation of core network services, drive automation and collaboration across teams, and mentor engineers to ensure reliability and performance for client-facing systems.