Network Product Owner / Tech Lead - Low Latency Data Centre | London, UK

A Network Product Owner / Tech Lead for low latency environments within financial markets data centres is responsible for designing, managing, and optimizing ultra-fast network infrastructure critical to financial trading operations. This role merges technical leadership with product ownership, ensuring that network solutions meet both technical performance metrics and evolving business needs.

Key Responsibilities:

• Network Architecture & Design: Lead the design and continual optimization of ultra-low latency network infrastructure (e.g. Layer 1 switching, FPGA-based solutions, multicast protocols).
• Product Ownership: Act as the voice of the business for the network infrastructure-managing the roadmap, prioritizing features and performance upgrades, and aligning with trading desk requirements.
• Latency Reduction: Continuously monitor and reduce network latency to microsecond or even nanosecond levels-crucial in high-frequency trading environments.
• Vendor & Stakeholder Management: Work closely with hardware vendors (Cisco, Arista, Mellanox, etc.), exchanges, internal trading teams, and software developers.
• Tech Leadership: Mentor engineers, lead implementation of new technologies, and set standards for performance, monitoring, and incident response.
• Risk & Compliance: Ensure systems meet regulatory standards (e.g. MiFID II timestamping), and support disaster recovery and failover strategies.

Skills & Tools:

• Technical: Deep expertise in networking (TCP/IP, BGP, multicast, PTP), ultra-low latency hardware (e.g. FPGA, Arista 7130), and network analytics.
• Programming/Scripting: Familiarity with Python, Bash, or Go for automation and performance tuning.
• Tooling: Corvil, SolarWinds, Wireshark, Chronos, or other network performance monitoring tools.
• Product Management: Agile methodologies, Jira, Confluence; strong ability to translate business needs into technical solutions.

Typical Background:

• Experience in electronic trading, market data infrastructure, or network engineering in capital markets.
• Proven track record of driving latency-sensitive projects from concept to delivery.
• Likely to hold certifications like CCIE, JNCIP, or specialised qualifications in low-latency systems.

WHAT YOU'LL BRING:

• Demonstrable ability in network architecture, design, and implementation.
• 5+ years in a technical lead role managing technical teams.
• Demonstrable experience with large-scale service provider and financial services grade network environments, including enterprise, data center and cloud integration.

Technical Skills:

• Deep expertise in multicast, large scale Core routing and switching (e.g., Cisco, Juniper).
• Financial Services, Service Provider, Low Latency and Market Venue / Exchange knowledge and experience.
• Knowledge of cloud and hybrid networking (e.g., AWS, Azure, Google Cloud).
• Solid understanding of network security technologies (e.g., firewalls, VPNs, IDS/IPS).

Soft Skills:

• Good oral and written communication skills to engage with technical and non-technical collaborators.
• Strategic problem solver with the ability to align technical initiatives with business objectives.

Preferred Certifications:

• Cisco Certified Design Expert (CCDE)
• Cisco Certified Internetwork Expert (CCIE)
• AWS, Azure or GCP Certified
• Certified Information Systems Security Professional (CISSP)

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives. We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law.