Senior Network Engineer

Job Description Building trusted markets - powered by our people 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. Our teams are empowered to share ideas, actively pursue them and bring on a challenge. As champions of internal mobility and access to opportunity, we encourage our people to "go for it" and equip our managers with the training to coach their teams to the next level.

We strive to provide employees a safe space to network, share ideas and create opportunities. To support strong partnership and team connection, this role follows a four day in office work model.

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, adding a unique touch to the work environment. The building is equipped with convenient amenities for office commuters, including bike storage and showers, making it easy for staff to freshen up after their commute.

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, creating an ideal balance of work and leisure. The office is located directly adjacent to the historic Monument to the Great Fire of London and is just across the street from the Monument Underground Station. This provides convenient transport links, with access to the West End in less than 15 minutes.

The location blends the vibrancy of central London with the business-centric atmosphere of the City, making it an attractive hub for professionals.

A core member of Cboe's global infrastructure organization, the NOC Engineer is a highly technical, hands-on engineer responsible for supporting, operating, and improving the reliability, performance, and fairness of network connectivity across all trading platforms to include on-premises and cloud environments. This role is designed for experienced network technologists who combine deep networking fundamentals with foundational cloud engineering capabilities, modern automation, AI-assisted tooling, and software-driven operations.

Cboe's network function operates as a multi-tier, customer-focused engineering team that bridges Network Engineering, Cloud Engineering, Security Engineering, Systems Engineering, and the Trade Desk. NOC Engineers provide world-class technical support while also acting as true engineers - employing complex troubleshooting, customer connectivity onboarding, real-time monitoring, incident response, change execution, and escalation management for a highly distributed, latency-sensitive global network spanning both physical infrastructure and cloud platforms.

A defining element of this role is its strong emphasis on AI-enabled operations and automation. NOC Engineers actively design, build, and maintain intelligent tooling using Claude Code, Python, and APIs to modernize alerting, accelerate root cause analysis, reduce mean time to repair (MTTR), and eliminate repetitive operational work. A strong understanding of API-driven automation is a core requirement, and experience building or operating…