NetOps - Network Engineer Infrastructure & Cloud

Role summary

Do you have a passion for technology? Do you want to make a difference, delivering IT infrastructure used by some of the biggest companies in the world and a critical player in the market infrastructure?

We are looking for a skilled NetOps - Network engineer to join the LCH SA Infrastructure & Cloud Team that provides technical resources to Post Trade Business Services (a division of LSEG). Your role is vital in designing, deploying, and maintaining resilient, scalable, and highly available systems. Collaboration with infrastructure teams, operations, and partners will be crucial in ensuring efficient performance and availability of our critical environments.

Key responsibilities and accountabilities

• Implements, tunes, and conducts ongoing administration of infrastructure layer, including proposing application systems changes, better uses and improvements
• Improves the whole life cycle of services from inception and design, through deployment, operation, and refinement.
• Design, implement, and regularly validate Disaster Recovery (DR) and Business Continuity (BCP) strategies for network infrastructure, ensuring high availability, and compliance with RTO/RPO objectives.
• Manage and optimize network interconnect operations with cloud providers, telecom carriers, exchanges, and third-party partners, ensuring secure, resilient, and highly available connectivity
• Leads support services before they launch through activities such as system design consulting, developing features of the infrastructure platforms and frameworks, capacity planning, and launch reviews.
• Provides mentorship to other team members on handling availability and performance of critical services, on building automation to prevent problem recurrence, and on building automated responses for non-exceptional service conditions.
• Maintains services once they are live by measuring and monitoring availability, latency, and overall system health.
• Leads sustainable and efficient incident response.
• Scales systems sustainably through mechanisms like automation, evolving evolve systems by advocating for changes that improve reliability and velocity.
• Writes highly optimized and accurate code for LCH SA and LSEG products and solutions.
• Proactively continues to build and apply relevant domain knowledge that may relate to workflows, data pipelines, business policies, configurations and constraints.
• Supports essential processes while ensuring high quality standards are met.

What you'll be doing:

Assess, plan, design, and implementation of the network infrastructure (DHCP/DNS/IPAM, Firewalls, Network, Load balancers, Time protocol, DNS, proxy) as a highly available and scalable infrastructure solutions to support our critical applications and services.

Capacity planning and troubleshooting of the network applications products, infrastructure, and services.

Monitoring and observability of the network applications products infrastructure.

Source code management and development.

Leverage testing environments using industry practices for pre-testing changes and proof of concept.

Troubleshoot and resolve customer networking issues across the network (cloud & on-premises networks).

On-call rotation shifts

You'll bring:

Bachelor's degree in computer science, Engineering, or a related field (or equivalent experience).

• Experience (at least 5 years) as a Network Engineer, SRE or similar role, with a focus on managing and maintaining Network infrastructure in regulated and or highly available environment.
• Experience with planning and designing large scale networks (e.g., multiple sites, multiple products, etc.)
• Experience with VMware, Cisco Switches, Network Security and Knowledge in many of the following Cloud Networking technologies: IS-IS, VXLAN, BGP, EVPN, Network Virtualization (at least 5 years).
• Experience on VMware technology (at least 2 years),
• Expertise in cloud AWS, Azure, Google technologies will be a plus (at least 3 years),
• Expertise (at least 3 years) in scripting languages (Python, Bash), and on automation/configuration management tools (Ansible, Puppet, Chef),
• Expertise in containerization technologies (Docker, Kubernetes) is advantageous,
• Experience on operating in a regulated environment with specific security constraints (at least 2 years).
• Experience on Systems Monitoring and Capacity Management (at least 5 years).
• Adheres to applicable risk control frameworks, policies and procedures.

About London Stock Exchange Group (LSEG)

LSEG's vision is to be the most trusted authority in global financial markets. This is achieved through leading the world in providing access to capital, helping customers optimise capital resources and promoting trusted and open environments and services for investment.

LSEG is a diversified international exchange Group that sits at the heart of the world's financial community. The Group operates through four key business divisions: Capital Markets (broad range of international equity, bond and derivatives markets); Po