Solution Architect

London, England, United Kingdom

7/3/2025

We are seeking an intellectually curious and proficient Technology Solution Architect to join the FTSE-Russell Index Engineering team of London Stock Exchange Group (LSEG) based in our London office. The individual in this role will support Business Partners and steer the technical direction of our Index Services. They will provide architectural support as we transition to strategic platforms.

Key Responsibilities

• Develop and Advocate for High-Quality Solution Designs: Produce and promote high-quality solution designs and application architectures that align with the Index Platform's architectural principles and strategy.
• Define Target and Transitional Architectures: Produce and present architectural documentation, including HLDs and LLDs, to define solution approaches.
• Collaborate with Engineering Leadership: Partner with members of Engineering leadership to influence the adoption of architectural frameworks, standards, and policies.
• End-to-End Solution Design: Collaborate with other teams to define the end-to-end solution and design, including all involved systems, data, integration, and security requirements.
• Analyse Business Requirements: Analyse business requirements to identify flexible and pragmatic design changes to development and production architecture.
• Technical Consultancy: Act as a technical consultant providing technical knowledge, coaching/mentoring, leveraging knowledge of industry trends.
• Balance Business Drivers and Design Integrity: Understand the balance between business drivers, delivery timelines and the purity of design.
• Develop Proof of Concepts (PoCs): Facilitate and develop PoCs to demonstrate new concepts or technology choices when required.
• Build Relationships with Group Functions: Work closely with group functions such as infrastructure and information security, building relationships and represent the engineering team at relevant architecture governance forums.
  
  

Qualifications

15+ years of shown experience as Software Solution Architect and significant experience in designing secure AWS Cloud architecture.

Technical / job functional knowledge:

• In-depth knowledge of Solution Architecture, Cloud Architecture, and Security principles.
• Extensive experience in AWS Infrastructure Architecture and Cloud Technology.
• Proficiency in defining and presenting detailed cloud infrastructure architecture diagrams and patterns.
• Significant experience in designing solutions for distributed, highly resilient environments. Expertise in technical documentation, including HLDs and LLDs.
• Extensive experience in integrating enterprise application solutions.
• Strong understanding of information security concerns.
• Experience managing design dependencies within a highly complex matrix-structured organization.
  
  

Leadership and management experience:

• Experience in professional people management / technical thought leadership
• The ability to conceptualise holistic architecture solutions that address the needs of an organisation as a whole
• Proficiency in managing and facilitating technological change within the organization.
  
  

Personal skills and capabilities:

• Articulate, energetic person able to work alone or as part of a team
• Excellent attention to detail but an ability to think laterally to solve business problems
• Passion to learn both new technologies and business concepts
• Ability to work under pressure and to tight deadlines
• Excellent interpersonal and communication skills and ability to adapt to business, senior stakeholders, analysts, and developers
• Experience of managing or influencing key decision makers
  
  

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. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

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