Senior Network Engineer

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

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