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About the Role

Cboe is seeking a Senior Network Engineer for a 6-month fixed-term contract. This role is crucial for supporting, operating, and enhancing network connectivity across trading platforms, both on-premises and in the cloud. The position emphasizes AI-enabled operations, automation, and software-driven network evolution, requiring a blend of deep networking fundamentals and cloud engineering capabilities.

Responsibilities

Configure and deploy production network changes to edge routing, customer-facing infrastructure, and cloud network constructs.
Apply foundational cloud engineering practices to provision, validate, and document cloud-hosted connectivity components.
Partner with customer network engineers and internal teams to test and validate trade entry and market data connectivity.
Participate in internal and industry-wide testing events, including weekend change windows and customer certification activities.
Support internal and external ticket queues for network and firewall connectivity requests.
Provide advanced support and configurations of network protocols such as BGP, OSPF, MPLS, PIM Sparse Mode, and HSRP.
Provide expert technical support and guidance to customers and sales coverage teams regarding Cboe network connectivity.
Staff the NOC Hotline and manage inbound support tickets, delivering timely and professional customer communications.
Proactively communicate planned maintenance, infrastructure changes, and project milestones.
Participate in a rotational on-call schedule to support the global trading environment.
Proactively monitor global customer connectivity, market access paths, and back-end trading infrastructure.
Analyze network telemetry, interface error conditions, packet loss, and TCP retransmissions to detect and remediate issues.
Monitor availability of public-facing Cboe services and escalate technical incidents.
Drive rapid incident response to minimize MTTR while maintaining accurate situational awareness and communication.
Collaborate with Network Engineering, Cloud Engineering, Systems Engineering, and external vendors to resolve advanced issues.
Apply foundational understanding of cloud infrastructure to assist in scoping and resolving hybrid connectivity issues.
Lead structured technical investigations and contribute to incident resolution and service restoration.
Design, build, and maintain operational automations using Python, API-driven integrations, and Claude Code.
Leverage cloud-native services to extend automation coverage into cloud-hosted infrastructure.
Develop and maintain Grafana dashboards to visualize SNMP and telemetry data.
Extend and finetune the monitoring stack to onboard new devices and data sources.
Build tooling that strengthens root cause analysis, predictive monitoring, and data-driven operational decision-making.
Respond to customer multicast gap claims and complex market data integrity inquiries.
Perform packet captures and deep packet inspection using tcpdump/Corvil or equivalent platforms.
Produce clear technical findings and contribute to root cause analysis and long-term problem management initiatives.

Requirements

Highly technical, hands-on engineer responsible for supporting, operating, and improving network connectivity.
Combine deep networking fundamentals with foundational cloud engineering capabilities.
Experience with modern automation, AI-assisted tooling, and software-driven operations.
Experience building or operating agent-based automation is a strong differentiator.
Work independently with minimal supervision.
Collaborate directly with customers' network engineers and internal infrastructure teams.
Serve as escalation points for junior staff.
Comfortable supporting critical infrastructure during extended shifts.
Participate in an on-call or escalation rotation as required.
Technical depth across routing, MPLS, firewall technologies, and packet-level troubleshooting.
Working knowledge of core cloud infrastructure concepts (compute, networking, storage, and IAM) within AWS.
Strong operational judgment, communication skills, and the ability to translate complex data into clear, actionable outcomes.
Experience with API based development for Network Automations.

Skills

Networking fundamentals
Cloud engineering capabilities
Automation
AI-assisted tooling
Software-driven operations
API-driven automation
Routing
MPLS
Firewall technologies
Packet-level troubleshooting
AWS networking
AWS routing
AWS security controls
Python
Claude Code
Grafana dashboards
SNMP
TCP
BGP
OSPF
PIM Sparse Mode
HSRP
Palo Alto VPN
AWS
CloudWatch
tcpdump
Corvil

Location

London

Work Type

Fixed term contract
Four day in office work model
Shift schedule
On-call rotation

Experience Level

Senior

Education Level

High School Diploma, GED, or technical/vocational education
Bachelor’s degree preferred in Computer Science, Computer Engineering, Software Engineering, Business, Financial Services, Communications, or a related discipline
Cisco or AWS Associate (or higher-level) certification
CompTIA Network+ and/or Security+
Corvil Certified Administrator or Expert

About the Company

Cboe Global Markets provides the financial infrastructure that powers the global economy.
Cboe is a leading provider of market infrastructure and tradable products, delivering cutting-edge trading, clearing and investment solutions.
Cboe inspires its people to solve complex challenges together.
Cboe is building meaningful ways to support professional and personal development.
Cboe empowers its teams to share ideas and pursue them.
Cboe champions internal mobility and access to opportunity.
Cboe strives to provide employees a safe space to network, share ideas and create opportunities.