Senior Network Engineer
Confirmed on the employer's own hiring board on Sep 23, 2026. First seen by Alion on Aug 17, 2026.
About Exegy
Exegy is a global leader in intelligent market data, advanced trading systems, and future-proof technology. Exegy serves as a trusted partner to the complete ecosystem of the buy-side, sell-side, exchanges, and financial services technology firms around the globe. Headquartered in St. Louis with regional offices in North America, the UK/Europe and Asia Pacific, Exegy has the global footprint to deliver world-class support and managed services to its customer base of elite financial market participants.
Job Summary
The Senior Network Engineer will play a crucial role in supporting Exegy’s network infrastructure. This role involves network administration, device maintenance, and collaboration with vendors to ensure the smooth operation of network services. The ideal candidate should possess a strong technical background, extensive experience with network equipment and services, and the ability to work effectively in a fast-paced environment while contributing to project planning and execution.
Responsibilities
Provide day-to-day support & assistance to Exegy Network Engineering team on network issues across business critical Exegy Production, Corporate and Development networks
Perform day-to-day network administration and maintain all network and security devices and systems to allow Exegy Network Engineering team to concentrate on design and execution of network management handover for SuperFeed, DMA and Metro products to relevant vendors
Work with vendors providing network support to troubleshoot and resolve issues or roll out changes to hosted production environments
Work with Exegy Network Engineers to plan and implement network changes to support business decisions
Our Ideal Candidate Has:
Solid technical background with 5+ years’ experience in a hosted services environment including infrastructure networks, hardware and telecommunications
Degree in Computer Science, Software or Electronic Engineering or other related discipline
Strong experience in installing, configuring and maintaining network services, equipment and devices
Proven experience with Juniper, Cisco, Arista switching
Experience with Mellanox Infiband switches a plus
Multicast experience desired
Experience with RoCE a plus
Experience with routing protocols including but not limited to BGP / OSPF
Good understanding of subnetting, VLANs, VLAN tagging, NAT
Strong experience configuring IPSec VPNs, GRE tunnelling
Demonstrate good network security practices
Ability to collaborate with stakeholders across a wide variety of teams in a fast-paced environment
Ability to gather relevant information systematically to troubleshoot and resolve issues
Capable of working effectively and efficiently in a team environment
Contribute to technical aspects of project delivery, planning and risk management
Effective communication, interpersonal and organizational skills
Datacenter experience including racking and patching of devices
Knowledge and experience configuring and maintaining Fortinet, Checkpoint, Juniper SRX, and Cisco ASA firewalls