Network Engineer in London

At Cboe Global Markets, we inspire our people to solve complex challenges together because what we do matters. We provide the financial infrastructure that powers the global economy. As a leading provider of market infrastructure and tradable products, Cboe delivers cutting-edge trading, clearing and investment solutions to market participants around the world. We’re building meaningful ways to support professional and personal development while strengthening the trust we’ve earned as a global market leader.

The Cboe office in London is situated in The Monument Building, a modern space that spans two floors and features a spacious outdoor balcony. From the balcony, employees can enjoy stunning views of some of London's most iconic architectural landmarks. The building is equipped with convenient amenities for office commuters, including bike storage and showers. Its prime location in the heart of London's financial district ensures that employees have easy access to a variety of cafes, restaurants, and shops.

The Network Operations Center (NOC) Engineer is a core member of Cboe’s global infrastructure organization, responsible for operating, supporting, and continuously improving the reliability, performance, and fairness of network connectivity across highly distributed, latency-sensitive trading platforms spanning on-prem and cloud environments. This is a hands-on engineering role for experienced network technologists with deep expertise in routing, MPLS, firewalls, and packet-level troubleshooting, combined with working knowledge of cloud networking and automation.

Your responsibilities will be:

• Engineer and support customer connectivity across on-prem and cloud environments, including circuit provisioning, AWS networking, and VPN connectivity.
• Troubleshoot and support complex network environments (BGP, OSPF, MPLS, multicast, HSRP).
• Provide real-time monitoring and incident response for global network infrastructure.
• Deliver high-quality customer support through ticket queues and direct engagement.
• Lead escalations and advanced troubleshooting efforts across network, cloud, and infrastructure domains.
• Develop and maintain automation, monitoring enhancements, and observability tooling.
• Perform deep packet analysis and contribute to root cause investigations.

The ideal candidate has:

• 3+ years of hands-on network engineering experience across Cisco, Arista, and/or Palo Alto environments.
• Experience troubleshooting complex network issues, including packet analysis using tools such as tcpdump, Wireshark, or similar.
• 2–3+ years of UNIX/Linux experience, including shell access and command-line troubleshooting.
• Experience with scripting and/or API-driven automation.

Preferred Qualifications:

• Working knowledge of AWS cloud networking.
• Familiarity with network observability and monitoring tools.
• Experience with advanced packet capture platforms.
• Relevant industry certifications such as Cisco, AWS, Palo Alto, CompTIA Network+/Security+, or similar.

We value the total wellbeing of our people – including health, financial, personal and social wellness. We believe standard benefits like health insurance and fair pay are a given at any organization. Still, you should know we offer:

• Private Medical Insurance
• Life Insurance
• Fitness Corporate Membership
• Employee assistance Program (EAP)
• Eye Care
• Pension
• Accident Insurance
• Business Travel Insurance
• Employee Stock Purchase Plan (ESPP)
• LinkedIn Learning courses
• Holiday (Annual Leave)
• Other Forms Enhanced Leave

We're proud to be an equal opportunity employer and do not discriminate against any employee or applicant for employment based on any legally protected characteristic.