Senior Network Engineer

About Caxton Associates:

Caxton Associates, founded in 1983, is a global trading and investment firm with offices in New York, London, Singapore, Monaco and Dubai. Our primary business is to manage client and proprietary capital through global macro hedge fund strategies.

We are establishing a new technology office in Bangalore to expand our global infrastructure capabilities. The Bangalore team will work closely with colleagues across regions to support trading, research, and operations worldwide.

The role:

We are seeking a Senior Network Engineer to design, build, and operate critical production network infrastructure supporting a global trading environment.

This is a hands-on role within a small, high-performing infrastructure team. You will contribute to architectural decisions, deliver projects end-to-end, and support systems used directly by trading and research teams globally.

The role demands strong technical depth, operational discipline, and a structured approach to troubleshooting. You must be comfortable operating in a production environment where stability, performance, and controlled change management are essential.

Responsibilities:

• Design, implement, and support resilient enterprise network infrastructure across data center and cloud environments
• Contribute to network architecture and capacity planning in collaboration with global infrastructure teams
• Configure and manage routing and switching across core, edge, and data center networks (BGP, OSPF, VLANs, STP, multicast)
• Design and support AWS networking, including VPC architecture, Transit Gateway, Direct Connect, VPN, routing, and security controls
• Support global WAN connectivity, including carriers, exchanges, and third-party connectivity providers
• Monitor performance and availability; troubleshoot complex production issues and perform structured root cause analysis
• Implement and maintain network security controls, including segmentation, firewalls, and access policies
• Maintain accurate documentation, network diagrams, and operational standards
• Participate in an on-call rotation and provide escalation support for critical production incidents
  
  

Experience:

• 8+ years of hands-on experience in network engineering within complex, high-availability production environments
• Strong expertise in routing and switching (BGP, OSPF, VLANs, STP, multicast)
• Proven experience designing enterprise network architecture and performing capacity planning
• Hands-on experience designing and operating AWS networking (VPC, Transit Gateway, Direct Connect, VPN)
• Strong troubleshooting capability across layers 1-4
• Experience with packet capture and analysis tools such as tcpdump and Wireshark
• Solid understanding of network security principles and implementation
• Experience managing WAN connectivity and working with carriers
• Experience operating within structured change control and incident management processes