---
title: 'Senior Network Engineer at IEX Group'
canonical: 'https://feeny.ai/job/senior-network-engineer-iex-group-new-york-c3wbdr40tgth'
type: 'job'
last_seen: '2026-09-09'
---

# Senior Network Engineer at IEX Group

- **Company:** IEX Group
- **Location:** New York, NY
- **Posted:** 2025-03-24
- **Last confirmed live:** 2026-09-09
- **Apply:** https://iex.io/careers/apply?gh_jid=6740105

## Job description

Senior Network Engineer

About IEX:

IEX is an exchange operator and technology company dedicated to innovating for performance 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 requires expertise in 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.

What You’ll Do:

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 and maintain high-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, to maintain seamless 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, or a related field.
- Networking certifications (e.g., CCNP, CCIE, JNCIE, or Arista ACE) are preferred

Personal Attributes:

- Experience working in fast-changing, high-pressure environments where downtime directly impacts revenue
- Self-starter with a passion for learning new technologies and 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, as required

Our job titles may span more than one career level. The starting annual base pay is between $225,000 and $250,000 for this NY-based position. The actual base pay is dependent upon many factors, such as: training, transferable skills, work experience, business needs and market demands. The annual base pay range is subject to change and may be modified in the future. This role is eligible for bonus and 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 only complies with all applicable laws and protects workers' rights but is vital to IEX’s overall mission and values.

[NYC Applicants_Notice Regarding Use of Automated Employment Decision](https://cdn.prod.website-files.com/696f8ac812dcabe749e3aa49/69e93e9efc91421e325e8903_NYC%20Applicants_Notice%20Regarding%20Use%20of%20Automated%20Employment%20Decision.pdf)

## About IEX Group

## Company Overview
- **One-liner**: IEX Group is a high-performance U.S. stock exchange operator and technology company dedicated to innovating for market integrity and investor protection.
- **Entity Type**: Private (operates a registered national securities exchange)
- **Headquarters**: New York, NY, USA (3 World Trade Center, 58th floor)
- **Founded**: 2012 (based on public history; IEX exchange launched in 2016)
- **Founders**: Brad Katsuyama (CEO), Ronan Ryan (COO), Rob Park (CTO)

## Core Business
- **Primary industry**: Financial services – stock exchange and trading technology; expanding into options exchange.
- **Target customers**: Institutional brokers, asset managers, retail brokers, and liquidity providers (B2B capital markets).
- **Mission/purpose**: "Think Big, Do Good" – level the playing field, protect investors, and improve market integrity through transparent, innovative trading solutions.

## Products & Services
- **IEX Exchange**: A U.S. stock exchange offering equitable, high-performance trading with unique features like the D-Limit (discretionary limit) order type. Top 3 in quote presence among 16 U.S. exchanges (Russell 3000). Notional value traded using D-Limit exceeded $8.6 trillion since inception.
- **IEX Options (coming soon)**: A new options exchange designed to arm liquidity providers with risk management technology and reduce adverse selection.

## Market Standing
- **Valuation/Market Cap**: Not publicly available (private company)
- **Key Metric**: $8.6 trillion notional value traded on IEX Exchange using D-Limit since inception; daily traded volume data disclosed quarterly.
- **Notable Investors/Partners**: IEX has strong relationships with brokers and investors across the financial industry. Board and advisory committees include diverse industry stakeholders.
- **Growth Signals**: Expanding into options exchange; maintaining top-3 quote presence; continuous innovation in order types and market structure.

## Competitive Advantages
- **Transparent, broker-neutral exchange model** – no conflict of interest from proprietary trading or data monetization.
- **Proprietary technology** – D-Limit and other innovative order types reduce information leakage and improve execution quality.
- **Proven track record** – $8.6 trillion notional traded on D-Limit demonstrates adoption by sophisticated market participants.
- **Culture of high performance** – attracts top engineering, product, and finance talent.

## Strategic Focus
- **Options launch** – entering the options market with a differentiated, technology-first offering.
- **Continued innovation** in market structure and order types to benefit all participants.
- **Talent growth** – building teams across engineering, data infrastructure, security, finance, and product.

## Why Work Here
- **Culture**: "Think Big, Do Good" – emphasis on innovation, growth mindset, resilience, and teamwork. Celebrated for diversity, equity, inclusion, and belonging.
- **Hybrid work**: Flexible environment – teams decide how and where to work (home, road, office).
- **Office**: NYC headquarters with stunning views, in-office gym (weights, Peloton, showers), and lunch-and-learns.
- **Benefits**:
  - 100% employer-paid medical, dental, vision premiums for employees, spouses, and dependents.
  - 16 weeks paid parental leave for primary and secondary caregivers.
  - Unlimited PTO with a flexible vacation policy.
  - $5,000 annual learning stipend + $1,000 non-profit donation match.
  - Competitive compensation packs (equity, bonus, 401k with company match).
  - One Medical membership covered.
- **Internal mobility**: Encouraged to learn across departments; internship and early career programs available.
- **Open roles** (as of search): Software Engineer for Test, Market Operations Specialist (Options), Commercial Counsel, Senior Data Infrastructure Engineer, Senior Software Engineer, FP&A Associate, Senior Network Engineer, Senior Systems Reliability Engineer, Risk Management Associate.

## Sources
1. [iex.io – Home](https://www.iex.io/)
2. [iex.io – About Us](https://www.iex.io/about)
3. [iex.io – Careers](https://www.iex.io/careers)
4. [iex.io – Benefits Guide](https://www.iex.io/article/iex-benefits-package)
5. [LinkedIn – IEX Group Open Positions](https://www.linkedin.com/company/iex-group-inc-)

## Other roles at IEX Group

- [Market Operations Specialist – Options](https://feeny.ai/job/market-operations-specialist-options-iex-group-new-york-3921s4sr5tpj) — New York, NY
- [Revenue Operations](https://feeny.ai/job/revenue-operations-iex-group-new-york-q4pvbhesp2kp) — New York, NY
- [Trading Analytics Specialist, Options](https://feeny.ai/job/trading-analytics-specialist-options-iex-group-new-york-fbna319by2x3) — New York, NY
- [Staff Accountant](https://feeny.ai/job/staff-accountant-iex-group-new-york-krnymx64ftn8) — New York, NY
- [Head of SRE, Cross-Asset](https://feeny.ai/job/head-of-sre-cross-asset-iex-group-new-york-ny-mg2tndzk6ypc) — New York NY, United States
- [Project Manager](https://feeny.ai/job/project-manager-iex-group-new-york-nm87p488mbyc) — New York, NY
- [Senior Systems Reliability Engineer](https://feeny.ai/job/senior-systems-reliability-engineer-iex-group-must-reside-in-california-or-8fe4407m425d) — Must Reside in California OR, OR
- [Software Engineer, Data](https://feeny.ai/job/software-engineer-data-iex-group-new-york-hgdb2cxzt66k) — New York, NY
- [Senior Software Engineer](https://feeny.ai/job/senior-software-engineer-iex-group-new-york-f47qc1mg0cdn) — New York, NY
- [Senior Network Engineer](https://feeny.ai/job/senior-network-engineer-northwood-space-torrance-gzdcd2kh8z9c) — Torrance, CA