Senior Network Engineer

Network Engineer (Ultra Low/Low Latency Trading Infrastructure)

Job Description:

Sr. L3/L4 Network Engineer Low Latency & Electronic Trading Platforms

Experience:

20+ Years Role:
Senior Network Engineer (Ultra Low/Low Latency Trading Infrastructure)

We are seeking a highly seasoned Senior L3/L4 Network Engineer with 20+ years of hands-on experience in designing, engineering, and optimizing ultra low/low latency trading network infrastructures. This role demands deep expertise in building and maintaining high performance networks across global datacenters and colocation environments to support electronic trading platform. You will be responsible for architecting and deploying deterministic, low latency network solutions across global colocation sitesoverseeing site access, equipment procurement, hardware logistics, capacity planning (power, space, network ports), connectivity, performance engineering, and end to end availability.

This role requires leadership in designing and fine tuning latency-sensitive network paths, ensuring optimal performance for intraday trading systems, data feeds, broker/exchange connectivity, and order execution flows.

Key Responsibilities

• Architect, engineer, and optimize ultra low/low latency network infrastructure across global datacenters and colocation sites.

• Lead deployment, monitoring, maintenance, and support for all network and security hardware/software.

• Deliver deterministic, latency-optimized network paths supporting tick by tick data, FIX order flow, and DMA trading systems.

• Oversee capacity management: power, space, cabling, cross connects, hardware lifecycle, and market venue connectivity.

• Collaborate with market venues, brokers, and managed service providers for data feed and execution connectivity.

• Drive performance engineering through continuous tuning, packet analysis, QoS, time stamping, and micro burst detection.

• Lead and manage multiple infrastructure projects end-to-end with detailed documentation and best practices.

• Ensure high availability, redundancy, and stability across trading-critical networks.

• Leverage scripting and automation (Python preferred) for network efficiency and operational consistency. Requirements

• 20+ years of progressive, hands on network engineering experience

• Proven track record delivering trading network infrastructure in global financial markets

• Strong leadership, maturity, and discipline expected at senior engineering level Network Engineering Expertise

• Advanced routing & switching experience

• Unicast Protocols: o EIGRP, OSPF, BGP, NAT, IPSEC, GRE

• Multicast Protocols: o PIM, RP, MSDP, IGMP v2/v3

• Switching Technologies: o STP, Port Channel/vPC/MLAG, CDP/LLDP, QoS, HSRP/VRRP, VLAN/VxLAN o Spine leaf architectures for low latency environments

Salary Range- $110,000-$140,000 a year #LI-SP3 #LI-VX1