Senior Engineer, Network Engineering

Job Purpose

Intercontinental Exchange, Inc. (ICE) offers a unique opportunity to work on cutting-edge technology and complex business challenges in the financial sector. The Senior Network Engineer role within the ICE Network Engineering team provides technical leadership across network design, validation, deployment, maintenance, and operational support.

The successful candidate will help advance one of the world’s largest global financial networks, supporting a broad portfolio of mission-critical services. This role requires the ability to thrive in a dynamic, team-based global environment, demonstrating strong problem-solving, sound decision-making, and a high degree of professionalism.

Responsibilities

• Design, configure, and implement complex Juniper- and Arista-based data centre and WAN solutions that support real-time market data and multicast services, with an emphasis on ultra-low latency, resilience, and reliability.
• Collaborate with cross-functional teams to gather business and technical requirements and translate them into scalable, effective network designs.
• Support and maintain a range of multi-vendor production network environments that are critical to business operations.
• Develop and maintain high-quality network documentation, including diagrams, configurations, standards, and operating procedures.
• Provide expert-level troubleshooting and escalation support for network incidents and outages, restoring service quickly and minimizing operational impact.
• Stay current with industry trends, emerging technologies, and best practices related to WAN, data centre, and low-latency network engineering.
• Understand and follow ICE operational policies and procedures and actively promote adherence to them across day-to-day engineering activities.
• Provide the technical expertise required to ensure network changes are planned, validated, and executed safely, effectively, and efficiently.
• Work closely with vendors, service providers, and internal technology teams to deliver seamless, high-performance network solutions.

• Bachelor’s degree in computer science, Information Technology, or a related field.
• Must hold a current Juniper and/or Cisco professional-level certification.
• 7+ years of networking experience, including 5+ years designing, configuring, and implementing complex Juniper-based global MPLS WAN networks.
• In-depth knowledge of WAN protocols and technologies, including BGP, IS-IS, OSPF, MPLS, VPLS, VPNs, and QoS.
• Extensive knowledge of two or more network operating systems or platforms, including Junos, IOS/NX-OS, EOS, or F5 LTM/GTM.
• Extensive knowledge of Check Point FW-1, Palo Alto, or similar stateful packet inspection firewalls.
• Deep understanding of TCP/IP, NAT, route maps, access control lists, and routing policies.
• Extensive hands-on experience with Juniper networking products, including Junos OS, MX Series routers, EX/QFX Series switches, and SRX Series firewalls.
• Extensive knowledge of multicast network design and troubleshooting, including IGMP and PIM protocols.
• Demonstrated ability to distinguish between critical business-impacting incidents and minor issues, and to resolve or escalate them appropriately.
• Understanding of low-latency network design principles, clock synchronization, and Precision Time Protocol (PTP) implementations.
• Strong knowledge of Python and experience using it for network automation and operational efficiency.
• Strong knowledge of modern configuration management and automation tools, including Ansible, Jinja, and JSON.
• Experience with network monitoring and management tools, together with strong packet capture and analysis skills.
• Thorough understanding of Linux shell commands and experience with network automation tools and frameworks.
• Ability to adapt to a fast-paced, evolving global environment while staying current with advancements in networking technology.
• Strong verbal and written communication skills, with a customer-focused approach.
• Self-motivated, with the ability to work independently and take ownership of outcomes.
• Able to manage multiple priorities and work effectively across concurrent projects.
• Professional, collaborative, and service-oriented in approach.

• This role is office-based, with attendance required five days per week.
• Some weekend and after-hours work will be required to support operational and change activities.