Network Engineer (Contract) – London, UK

JR United Kingdom; Slough; On-site; GBP 60,000 - 90,000; Full time

Job summary

A leading financial technology company in the UK seeks a Network Engineer to support their trading infrastructure. The successful candidate will manage networking solutions crucial to operations, with a focus on performance, security, and compliance. This position offers competitive benefits and values diversity in the workforce.

Benefits

Competitive benefits

Qualifications

• 5+ years in network solutions, preferably in high-frequency markets.
• Experience in configuring low-latency networks and multicast.
• Strong communication skills and ability to document processes.

Responsibilities

• Deploy and configure networking infrastructure including firewalls and routers.
• Monitor performance and availability of exchange infrastructure.
• Support daily operations and resolve technical issues as needed.

Skills

Problem-solving

Network protocols (OSPF, BGP, etc.)

Low-latency environments

Documentation skills

Team collaboration

Tools

Zabbix

Fortinet

Job description

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Network Engineer (Contract) – London, UK, slough

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Client:

GFO-X

Location:

slough, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

5

Posted:

31.05.2025

Expiry Date:

15.07.2025

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Job Description:

"Global Futures and Options Ltd (GFO-X)”, a UK FCA-authorised and regulated MTF, is seeking a Network Engineer to join our growing team in London, UK.

GFO-X is the UK's first regulated and centrally cleared trading venue dedicated to digital asset derivatives. GFO-X has partnered with LCH SA which will offer clearing of Bitcoin index futures and options contracts traded on GFO-X, subject to regulatory approval. This will be made available through a new segregated clearing service, LCH DigitalAssetClear. GFO-X services large global institutional participants who require a regulated, institutional-grade trading venue for digital asset derivatives, including bitcoin index futures and options.

The successful candidate will join the Infrastructure team, reporting to the Infrastructure Team Lead, and will work with the project stakeholders to build and maintain the infrastructure necessary for an institutional-grade trading venue.

Role:

• Deployment and configuration of Exchange networking infrastructure, including switches, routers, and firewalls
• Working with products from Cisco, Arista, FS.com, Fortinet
• Second-line support of exchange infrastructure
• Monitoring and improving the availability, resiliency, and performance of the exchange networking infrastructure.
• Monitoring platform capacity and identifying where we may have insufficient headroom
• Support of the Trading Platform Support and Exchange Operations teams to assist in daily exchange operations and resolving operational issues
• Working with the Security team to implement corporate security policies to ensure our IT environments adhere to internal and industry-standard policies and practices
• Contributing to out-of-hours market rehearsals and test sessions
• Propose and lead projects that improve our test and production environments
• Create and maintain technical documentation
• Contribution to Exchange design and architecture discussions
• Work shifts and on-call as may be required

Requirements:

• At least 5 years of experience in administering and deploying network solutions in similar industries — ideally with experience in a high-frequency or market-making environment
• Experience in configuring and managing resilient, low-latency environments is particularly welcome
• Demonstratable skills with standard network protocols: OSPF, BGP, BFD, VRRP, HSRP, RSTP
• Working knowledge of multicast architecture and protocols including PIM-SM and IGMP v2
• Experience in the configuration of multi-VRF environments
• Exposure to configuring the Zabbix monitoring platform or similar
• Familiarity with firewall appliance management (Fortinet preferred)
• Hands-on experience with identifying and mitigating platform security issues and threats
• Very strong problem-solving skills and a sense of ownership of their domain
• Demonstrable continuous learning and acquisition of new skills
• Self-starter and independent, able to work within a team. Detail-oriented with a structured approach to managing workload
• Capable of interacting with different teams throughout the organization and with external clients to identify/resolve technical issues in a professional and effective manner
• Ability to write clear, concise, and comprehensive documentation for processes and systems
• Experience in proposing and evaluating new hardware and software solutions
• Strong command of spoken and written English
• Previous working experience in a Financial Services/FinTech environment, or similar high-pressure industry.

This role is to be based at our London office headquarters. Application from any region is acceptable, but candidates based in the United Kingdom will be given preference. GFO-X is an equal opportunities employer committed to diversity and inclusion. Competitive benefits included.

If you are interested in any of our roles, please apply through the link provided in the job posting.

Inquiries from agencies should be directed to [emailprotected] . Please refrain from sending recruitment inquiries to any other email address or individual within our organization. GFO-X does not guarantee employment or engagement based solely on inquiry.

All unsolicited CVs from agencies shall be treated as such and will not be counted as submissions.