Network Security Engineer

NineTech; Greater London; Hybrid; GBP 70,000 - 81,000; Full time

Job summary

A leading player in the financial services sector is seeking a skilled Network & Security Engineer to join their team. This permanent role offers a competitive salary of up to £70,000 with hybrid working arrangements in Central London. The ideal candidate will have extensive experience in network infrastructure, multicast routing, and security platforms, contributing to a dynamic and fast-paced environment.

Qualifications

• Deep hands-on experience with multicast routing in high-throughput environments.
• Prior experience supporting low-latency trading networks.

Responsibilities

• Design, implement, and support robust network infrastructure.
• Manage multicast routing for market data distribution.

Skills

multicast routing

BGP

network automation

Tools

Aruba

Arista

Palo Alto Networks

GlobalProtect VPN

ZScaler ZIA/ZPA

VMware SD-WAN

Job description

1 week ago Be among the first 25 applicants

This range is provided by NineTech. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

Direct message the job poster from NineTech

Network & Security Engineer – Financial Services – £70K + Hybrid (Central London)

Permanent | Hybrid (2-3 days in Central London)

Our client, a leading player in the financial services sector, is seeking a skilled Network & Security Engineer to join their growing team. This is a permanent opportunity offering up to £70,000, with hybrid working arrangements based in Central London.

Key Responsibilities

• Design, implement, and support robust network infrastructure across multiple global sites.
• Manage multicast routing for market data distribution across complex environments involving multiple VRFs and VLANs.
• Configure and maintain Aruba (Access/Distribution) and Arista (Core/Low-Latency) switches.
• Support BGP peering, route filtering, and optimisation for ultra-low-latency trading environments.
• Operate and maintain Palo Alto firewalls, GlobalProtect VPNs, and ZScaler security platforms (ZIA/ZPA).
• Support VMware SD-WAN (VeloCloud) deployments across branch and remote trading locations.
• Monitor and optimise network performance (latency, throughput, availability) on critical links.
• Assist with network automation initiatives and maintain accurate documentation.

Required Skills & Experience

• Deep hands-on experience with multicast routing in high-throughput environments.
• Strong knowledge of BGP, enterprise routing, and switching best practices.
• Proficiency in managing Aruba and Arista switch infrastructure.
• Prior experience supporting low-latency trading networks or other performance-sensitive environments.
• Expertise in configuring and maintaining Palo Alto Networks firewalls and GlobalProtect VPN.
• Familiarity with ZScaler ZIA/ZPA and securing global internet egress traffic.
• Experience with VMware SD-WAN (VeloCloud) or comparable SD-WAN solutions.
• Ability to diagnose and troubleshoot complex network issues across all layers of the OSI model.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  Staffing and Recruiting

Referrals increase your chances of interviewing at NineTech by 2x

Get notified about new Network Security Engineer jobs in London Area, United Kingdom.

London, England, United Kingdom 1 week ago

London, England, United Kingdom 1 week ago

London, England, United Kingdom 7 months ago

Hammersmith, England, United Kingdom £70,000.00-£90,000.00 2 weeks ago

Greater London, England, United Kingdom 2 months ago

Network and Information Security Engineer

London, England, United Kingdom 4 days ago

Dartford, England, United Kingdom 1 month ago

City Of London, England, United Kingdom 1 month ago

London, England, United Kingdom 1 day ago

City Of London, England, United Kingdom £70,000.00-£78,000.00 3 weeks ago

London, England, United Kingdom 7 months ago

London, England, United Kingdom 1 week ago

London, England, United Kingdom 1 week ago

Assistant Vice President, Network and Security Engineer

London, England, United Kingdom 1 day ago

London, England, United Kingdom 1 week ago

Greater London, England, United Kingdom 2 weeks ago

London, England, United Kingdom 1 week ago

London, England, United Kingdom 2 weeks ago

London, England, United Kingdom 2 weeks ago

London, England, United Kingdom 1 week ago

City Of London, England, United Kingdom £70,000.00-£78,000.00 3 weeks ago

Greater London, England, United Kingdom 3 weeks ago

Security Operations Engineer - Corporate Security

London, England, United Kingdom 2 weeks ago

London, England, United Kingdom 1 week ago

St Albans, England, United Kingdom 1 week ago

Watford, England, United Kingdom 1 week ago

London, England, United Kingdom 1 month ago

London, England, United Kingdom 2 weeks ago

We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.