Senior Network Engineer

IEX Group; New York (NY); On-site; USD 225,000 - 250,000; Full time

Benefits offered by this job

Equity

Bonus program

Travel to data centers

Job summary

IEX Group, Inc. in New York is seeking a Senior Network Engineer to join our Infrastructure team. You will design, implement, and operate high-performance, low-latency networks, including IEX’s new Options Exchange, ensuring resilience and security in real-time trading operations.

The role demands expertise in low-latency networking, network automation with Ansible/Python, and collaboration with Data Center Engineers and SREs to maintain continuous trading uptime.

Qualifications

• Bachelor's degree in CS/IT/Engineering or related field.
• Networking certifications (CCNP/CCIE/JNCIE/Arista ACE) preferred.
• 10+ years in networking, high-performance, low-latency environments.

Responsibilities

• Design, build, and manage resilient, high-performance network platforms.
• Ensure high-availability and low-latency operations.
• Automate network tasks using Ansible, Python; monitor and troubleshoot performance.
• Configure switches/routers/firewalls from major vendors.

Skills

Low-latency networking

Ansible

Python

Multicast

BGP

Network automation

Arista

Cisco

Juniper

Education

Bachelor's degree in computer science / IT / Engineering

Tools

Arista

Cisco

Juniper

Fortinet

Job description

SeniorNetwork Engineer

About IEX:

IEX (IEX Group, Inc.) is an exchange operator and technology company dedicated toinnovating forperformance in capital markets. Founded in 2012, IEX launched a new kind of securities exchange in 2016 that combines a transparent business model and unique architecture designed to protect investors. Today, IEX applies its proprietary technology and experience to drive performance across asset classes, serve investors, and advocate for transparent and competitive markets.

Role Overview:

IEX is seeking a Senior Network Engineer to join our growing Infrastructure team. In this role, you will contribute to the design, implementation, and operation of high-performance, low-latency networks, including IEX’s new Options Exchange. This role requiresexpertisein low-latency networking and high-performance infrastructure to support real-time trading operations. The ideal candidate thrives in a high-pressure, fast-changing, and demanding environment, where microseconds matter. You will also play a crucial role in ensuring the resilience, scalability, and security of our infrastructure.

WhatYou’llDo:

Network Design & Engineering:

• Participate in the engineering process to design, build, and manage resilient, high-performance network platforms
• Collaborate with teams to ensure our network supports high-availability and low-latency operations
• Contribute to the capacity planning, performance engineering, and scalability of network infrastructure

Network Automation & Operations:

• Automate, deploy,maintain, monitor, and upgrade network systems and services
• Design and implement tools to automate network tasks and improve network operations
• Monitor network performance, troubleshoot issues, and optimize the network to ensure reliability
• Configure andmaintainhigh-performance switches, routers, and firewalls from vendors such as Arista, Cisco, Juniper, and Fortinet

Collaboration & Support:

• Work with cross-functional teams, including Data Center Engineers and SREs, tomaintainseamless network operations
• Provide troubleshooting support and collaborate with vendors and contractors to resolve network issues quickly and efficiently

Your Background:

Experience:

• Minimum of 10 years of experience in networking, with a focus on high-performance, low-latency networks
• Strong experience with multicast and network automation platforms, such as Ansible and Python
• Proven experience in the financial services industry, ideally in a High-Frequency Trading firm, Proprietary Trading Firm, or Exchange environment
• Solid experience with capacity planning, network performance tuning, and implementing network upgrades

Technical Skills:

• Advanced understanding of network protocols and technologies, including TCP/IP, BGP, OSPF, VRF, STP, IGMP, PIM
• Hands-on experience with network automation and orchestration tools (e.g., Ansible, Python, or similar platforms)
• Familiarity with network monitoring tools and performance tuning techniques
• Experience with firewalls and load balancers
• Experience with BGP traffic engineering
• Ability to troubleshoot packet loss, jitter, microbursts, and network latency issues in real-time
• Familiarity with FIX protocol, FPGA-based networking, and market data feed handlers
• Solid understanding of exchange connectivity, colocation facilities, and direct market access (DMA)
• Prior work with cloud-based trading environments and hybrid infrastructures (AWS, GCP, or Azure)

Certifications & Education:

• Bachelor’s degree in computer science, Information Technology, Engineering, ora relatedfield.
• Networking certifications (e.g., CCNP, CCIE, JNCIE, or Arista ACE) are preferred

Personal Attributes:

• Experience working in fast-changing, high-pressure environments where downtime directlyimpactsrevenue
• Self-starter with a passion for learningnew technologiesand solving complex networking problems
• Strong critical thinking and problem-solving skills, with the ability to think both strategically and tactically
• Motivated to take on challenges, with the ability to work independently and take ownership of projects
• Detail-oriented and highly organized, capable of managing multiple projects and priorities in a fast-paced environment
• Proven ability to collaborate effectively with cross-functional teams to achieve common goals

Additional Information: Occasional travel to other data centers and disaster recovery sites, asrequired

Our job titles may span more than one career level. The starting annual base pay is between $225,000and $250,000 for this NY-based position. The actual base pay is dependent upon many factors,such as:training, transferable skills, work experience, businessneedsand market demands.The annual base pay range is subject to change and may be modified in the future.This role is eligible forbonusand equity.

Here at IEX, we are dedicated to an inclusive workplace and culture. We are an Equal Opportunity Employer that does not discriminate on the basis of actual or perceived race, color, creed, religion, alienage or national origin, ancestry, citizenship status, age, disability or handicap, sex, marital status, veteran status, sexual orientation, genetic information or any other characteristic protected by applicable federal, state or local laws. This policy not onlycomplies withall applicable laws and protects workers’ rights but is vital to IEX’s overall mission and values.