Referment is working with a global financial technology business to hire a Senior Network Engineer to support highly available, business-critical infrastructure used across electronic trading and financial markets.
You’ll work across production, corporate and development networks, taking responsibility for day-to-day network operations while supporting infrastructure changes and wider engineering projects.
This is a hands-on position suited to someone with strong networking fundamentals and experience supporting demanding production environments where performance, resilience and availability are critical.
The Role
You’ll Be Responsible For
- Supporting business-critical production and development networks.
- Administering and maintaining network and security infrastructure.
- Troubleshooting complex network and connectivity issues.
- Installing, configuring and maintaining switches, routers and other network devices.
- Working with third-party vendors to resolve production issues and implement infrastructure changes.
- Supporting network changes and infrastructure projects.
- Maintaining routing, switching, VPN and firewall configurations.
- Supporting hosted and data-centre environments.
- Contributing to project planning, implementation and risk management.
- Working closely with other infrastructure and engineering teams.
What We’re Looking For
You’ll Ideally Have
- 5+ years’ network engineering experience within hosted, production or similarly demanding environments.
- Strong experience with Juniper, Cisco and/or Arista networking equipment.
- Strong knowledge of BGP and OSPF.
- Good understanding of subnetting, VLANs, VLAN tagging and NAT.
- Experience configuring IPSec VPNs and GRE tunnels.
- Strong understanding of network security.
- Experience working with firewalls such as Fortinet, Check Point, Juniper SRX or Cisco ASA.
- Hands-on data-centre experience including racking, cabling and patching.
- Strong troubleshooting and diagnostic skills.
- Experience working with vendors and other technical teams.
- The ability to operate effectively within business-critical production environments.
Experience with multicast networking would be particularly valuable.
Exposure to InfiniBand, RoCE or other high-performance networking technologies would also be beneficial.
Previous experience within electronic trading, market data, exchanges, investment banking, hedge funds or other financial-markets technology environments would be particularly relevant.
This could suit a Senior Network Engineer, Network Engineer, Network Infrastructure Engineer, Trading Network Engineer or Network Operations Engineer looking to work with sophisticated financial-markets infrastructure.
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