Senior Client Specialist in London

STOXX is a global index provider currently providing a cross-asset class index family of over 6,500 indices. STOXX is at the forefront of innovative Index design, continuously expanding its portfolio of sustainable and multi-asset class indices and operates on a global level. The indices are licensed to the world's largest issuers of financial products, asset owners and managers as well as to more than 500 companies around the world. Our indices are used as the portfolio basis for ETFs, UCITS-compliant funds, structured products, futures, and options and for risk and performance measurement.

Within this construct, we are now seeking to hire a new member of the Index Client Specialist team to develop client-centric and quality-focused client service.

Responsibilities:

• Partner with the Sales Executive to jointly manage client relationships.
• Act as the primary product, technical and operational contact for assigned clients, ensuring smooth execution of projects and services.
• Proactively communicate upcoming key events and jointly engage with clients.
• Own custom client reportings and their timely delivery to maximize information for clients.
• Partner with sales on commercial strategy execution set from index leadership team.
• Coordinate with the Client Support team on ongoing issues, upcoming events, and enhancement requests.
• Maintain deep understanding of index design, calculation and data structures.
• Understand index workflows and implied dependencies to ensure efficient communication across both internal teams and external parties.
• Build and maintain strong working relationships with key internal teams, such as Client Success, Sales, Index Product Management, Research & Development, Operations and more.

Qualifications:

• Minimum of 5 years of professional experience in a financial environment (Index Business, Client Service, Asset Management) and understanding of the Financial Markets environment.
• Experience in Client Facing and/or Product Management roles desirable.
• Strong analytical, conceptual skills and know-how in usage of index data by clients.
• Fluency in English; additional languages is a plus.
• Proficiency in Microsoft Office applications.
• Knowledge of PowerBI (Python and usage of AI is a plus).
• High attention to detail.
• Strong communication skills towards internal and external stakeholders.
• Team-oriented and collaborative mindset.
• Intrinsic motivation to expand knowledge around financial indices and the usage of them.

At ISS STOXX, our people are our driving force. We are committed to building a culture that values diverse skills, perspectives, and experiences. We hire the best talent in our industry and empower them with the resources, support, and opportunities to grow—professionally and personally. Together, we foster an environment that fuels creativity, drives innovation, and shapes our future success.

ISS STOXX GmbH is a leading provider of research and technology solutions for the financial market. Established in 1985, we offer top-notch benchmark and custom indices globally, helping clients identify investment opportunities and manage portfolio risks. Our services cover corporate governance, sustainability, cyber risk, and fund intelligence. Majority-owned by Deutsche Börse Group, ISS STOXX has over 3,400 professionals in 33 locations worldwide, serving around 6,400 clients, including institutional investors and companies focused on ESG, cyber, and governance risk.