Senior Network Engineer - Investment Bank in City of London
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Job Description
Senior Network Engineer - Investment Bank
Up to £100,000 basic salary
London - 5 days onsite in the City
What’s on offer:
10% employer pension
Discretionary bonus
30 days holiday
Private health & life insurance
Enhanced parental leave
Flexible working hours & wellbeing support
About
Join a leading financial institution investing heavily in modern networking, security, and automation. You’ll be part of a high-performing engineering team supporting low-latency trading, secure connectivity, and core enterprise operations across global datacentres.
This is a hands-on, design-focused role where you’ll shape network architecture, strengthen security posture, and drive operational excellence in a fast-moving, regulated environment.
What you’ll do:
Design and operate scalable Layer 3 architectures and leaf-spine networks
Lead BGP configuration, optimisation, and troubleshooting
Deploy and manage Arista EOS switches and routers
Strengthen security using Fortinet devices and Zero Trust principles
Troubleshoot complex issues across LAN, WAN, and datacentre environments
Deliver new trading venue connectivity and partner onboarding projects
Translate high-level designs into clear implementation plans
What we’re looking for:
Strong expertise in BGP and Layer 3 network design
Hands-on experience with Arista EOS
Solid understanding of network security (PoLP / Zero Trust)
Comfortable with deep-dive troubleshooting in complex environments
Bonus: Terraform/Ansible experience or Python automation skills
If you want to work with modern tooling, high-performance networking, and a team that values engineering excellence, this role offers the chance to make a real impact in a technology-driven financial environment.
If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.
- Location:
- City Of London
- Job Type:
- FullTime