Network Specialist - Reliability

Squarepoint Capital; London; On-site; GBP 60,000 - 80,000; Full time

Job summary

An international trading firm based in London is seeking a Network Reliability Specialist to ensure the stability of its global trading network. The role involves overseeing installations and managing projects related to data centers and network services. Ideal candidates will have 7-12 years of experience in network implementation, a degree in a relevant field, and strong knowledge of routing protocols. This position may require travel for project delivery.

Qualifications

• 7-12 years of experience in network implementation and project delivery.
• Extensive knowledge of routing and switching protocols.
• Strong scripting and automation experience, preferably in Python.

Responsibilities

• Ensure stability and integrity of trading network.
• Oversee installation, monitoring, and optimization of network hardware.
• Manage multiple projects and configure network services.

Skills

Network implementation

Project delivery

Routing protocols

Scripting

Education

Degree in Network Engineering or related field

CCNP certification or higher

Tools

Cisco Unified Communication products

Network diagnostic tools (e.g., Wireshark)

Job description

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Client:

Squarepoint Capital

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

190ef4ab853e

Job Views:

8

Posted:

31.07.2025

Expiry Date:

14.09.2025

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Job Description:

Job Summary:

The role of the Network Reliability Specialist is to ensure the stability and integrity of all aspects that comprise the Squarepoint global trading network, which includes the regional data centers, regional offices, and various cloud service providers. These aspects include and are not limited to the delivery and support of various projects involving data, voice, video, network security, storage area networks, wireless networks, network monitoring, and capacity management. The Network Reliability Specialist will oversee and participate in the installation, monitoring, maintenance, support, optimization, and documentation of all network hardware, software, and communication links. This includes managing multiple projects and configuring/optimizing network services both internally and those integrated with Internet based services. Our network engineers collaborate and are closely aligned with our Core Networking team, trading systems developers, enabling the technology team to deliver an optimal trading platform.

Main Duties & Responsibilities:

• High Level Designs and implementing highly available enterprise networks that include DC’s, WANs, and Offices.
• Primary responsibility would be Project Delivery related to DC’s, WAN’s or offices
• Upgrades/Expansions in datacenter and campus environments, Migrations related to hardware, WAN links.
• Provision delivery of multicast inter and intra region between colo to colo, colo to DC, or DC to colo.
• Project Delivery/Management collaborating with internal and external vendors.
• Implement and support changes to the environment in all Squarepoint locations: offices, datacenters and co-location sites. Travel might be required.
• Provide L1 follow the sun on-call escalation support to remediate performance and availability issues.
• Identify areas for generating efficiencies adopting automation and innovative solutions for improvements.

Preferred Qualifications:

• Degree in Network engineering, Computer Science, or related Information Technology discipline
• CCNP certification or higher (CCIE preferred)
• Minimum 7-12 years of experience in network implementation and project delivery required, with a strong track record of successful project execution.
• Extensive knowledge of routing and switching protocols:
• Unicast: OSPF, BGP, NAT, IPSEC, GRE and EVPN
• Switching: QoS, HSRP/VRRP, VPC/MLAG, VXLAN
• Experience with Cisco’s Unified Communication and Collaboration products and below technologies would be a plus:
• Voice: SIP, SCCP, H.323
• Cisco Unified Communications Manager
• Cisco Unity ConnectionCisco Expressway
• Video endpoints experience a plus
• Experience with voice recording platform a plus
• Strong scripting and automation experience – Python preferred
• Experience with Arista / Cisco
• Datacenter/office network infrastructure buildout experience
• Experience with network diagnostic and performance tools - tshark, tcpdump, wireshark, etc.
• Experience in the following areas a plus:
• Implementing and supporting cybersecurity solutions: Palo Alto, Fortinet, IDS, etc.