AWS Network Engineer

AWS Network Engineer – Systematic Hedge Fund (Market Leading Compensation)

A leading systematic hedge fund is seeking an AWS Network Engineer to join its Cloud Engineering function, responsible for building and evolving the core AWS networking platform underpinning a large-scale global trading environment.

This team plays a critical role in enabling cloud-native development across the business, ensuring applications are deployed onto a secure, scalable, and highly performant AWS foundation. The environment is heavily automation-driven, with strong emphasis on infrastructure-as-code, observability, governance, and engineering best practice.

You’ll join a highly technical, collaborative team operating within a fast-paced trading environment, with significant opportunity to contribute to the evolution of the firm’s global cloud network architecture.

The Role

• Develop, manage, and enhance a complex global AWS network architecture supporting business-critical platforms
• Build and maintain scalable cloud connectivity solutions across a high-performance trading environment
• Utilise Infrastructure-as-Code practices to drive consistency, scalability, and operational efficiency
• Contribute to automated deployment pipelines and change management processes across the AWS estate
• Explore, evaluate, and onboard new AWS networking technologies and services as part of continuous platform improvement
• Improve network governance, monitoring, and observability capabilities across the cloud environment
• Ensure traffic flows and connectivity are observable and operationally effective
• Troubleshoot complex networking issues across AWS and third-party tooling
• Work closely with Security, Infrastructure, and End User teams to support ongoing platform growth and stability

Requirements

• 3+ years’ experience within a cloud engineering or cloud networking role, with strong AWS focus
• Strong networking fundamentals including TCP/IP, BGP, DNS, DHCP, HTTP, and IPv4 subnetting
• Hands-on experience with core AWS networking services including VPC, Transit Gateway, Route53, PrivateLink, and Direct Connect
• Strong Infrastructure-as-Code and automation capability using tools such as Terraform and Python
• Proven ability to troubleshoot networking and connectivity issues across complex AWS environments
• Strong communication and collaboration skills within cross-functional engineering teams

Desirable experience:

• Cloud WAN, Route53 Profiles, or AWS Lattice
• IPAM tooling such as AWS VPC IPAM or Infoblox
• AWS load balancing technologies including ALB, NLB, GWLB, and API Gateway
• Security tooling including WAF, Shield, and firewalls
• Logging and observability tooling including Flow Logs, CloudWatch, and OpenSearch
• IPv6 networking architectures within AWS environments

Company Highlights

• Technology-led culture – drives both trading and internal engineering investment
• c.2,000 employees – large enough for scale, small enough for meaningful individual impact
• Brand-new London HQ – core engineering and trading hub with free on-site gym
• Flat structure – direct access to senior engineers and C-level leadership
• Excellent Glassdoor ratings consistently quoting a strong work-life balance
• Strong Benefits: Free breakfast & lunch, 13% pension, year-one guaranteed bonus, allowance of work abroad days, private health, and more