Senior Network Engineer

About the role

StoneX is seeking an experienced Senior Network Engineer to join its Global Network Operations team. The role involves designing, implementing, supporting, and continuously improving the firm’s global network infrastructure across offices, data centers, cloud environments, and trading platforms.

Key responsibilities

• Design, implement, maintain and support enterprise LAN, WAN, wireless, SD‑WAN and data‑center networking environments.
• Provide daily operational support, monitoring, administration and troubleshooting to maximize network availability and performance.
• Lead global network infrastructure projects from planning through operational hand‑off, ensuring resilient, secure and scalable solutions.
• Support hybrid networking across Microsoft Azure and AWS, configure secure connectivity, firewalls (Palo Alto), and F5 load‑balancing platforms.
• Develop automation using Python, Ansible, Terraform or similar tools and maintain accurate network documentation.

Required profile

• 8+ years of enterprise network engineering and operational support experience.
• Bachelor’s degree in Computer Science, IT, Engineering or equivalent experience.
• Strong analytical, troubleshooting and communication skills.
• Ability to work independently and collaboratively in a fast‑paced, globally distributed environment.

Required skills

• Routing and switching: BGP, OSPF, MPLS, VRF, QoS, HSRP, STP, Cisco Catalyst/Nexus, Arista (desired).
• Security: Palo Alto Networks firewalls, Cisco ISE, 802.1X, F5 BIG‑IP.
• Cloud networking: Microsoft Azure and/or AWS hybrid connectivity.
• SD‑WAN solutions (e.g., Palo Alto Prisma SD‑WAN).
• Automation/orchestration: Python, Ansible, Terraform, REST APIs, Git.