Network Engineer

Arcas Technology is partnered with a global financial trading firm that specializes in derivatives contracts, including Futures and Options.

The role will focus on designing, operating, and troubleshooting a secure, high-performance global network supporting 24/5 trading activities. You will manage routing across data centres and offices, support trading and back-office network traffic, and operate key security platforms such as firewalls, VPNs, and ZTNA solutions.

Responsibilities:

• Design, deploy, and support network infrastructure across global offices and data centres.

• Manage and troubleshoot multicast routing for market data distribution across multiple VRFs and VLANs.

• Administer Aruba and Arista switches including configuration, firmware upgrades, and performance tuning.

• Maintain BGP peering and route filtering policies to support low-latency trading.

• Configure and monitor Palo Alto firewalls, GlobalProtect VPN, and ZScaler security platforms.

• Support VMware SD-WAN deployments and policy management for remote offices and trading hubs.

• Monitor network health, latency, and throughput across critical links.

• Assist in network automation and documentation using standard tools.

• Provide 2nd line support for network/security incidents, with on-call rotation as part of 24/5 global coverage.

Key Skills:

• Proven experience with multicast routing in a high-throughput environment.

• Solid understanding of BGP and enterprise-level routing & switching.

• Hands-on experience with Aruba (Access/Distribution Layer) and Arista (Core/Low Latency) switches.

• Experience working with low-latency network tuning for trading or similarly performance-critical environments.

• Strong knowledge of Palo Alto Networks firewalls, GlobalProtect, and associated security policies.

• Familiarity with ZScaler ZIA/ZPA and internet egress security in a global enterprise.

• Experience with VMware SD-WAN (VeloCloud) or other modern SD-WAN technologies.

• Ability to troubleshoot and diagnose complex network issues at all OSI layers.

If you feel that you’re a good fit for this role then please forward your CV to Andy Dale at Arcas Technology