Senior Sales and Relationship Management (Buy Side) in London

Senior Sales and Relationship Management (Buy Side)

London, UK

Job Description

Job Overview

As a Senior Sales and Relationship Management Representative you will be responsible for managing all commercial aspects of client relationships. This encompasses the sales lifecycle from initiating new opportunities, analysing data/trends and lead prospecting, cold calling, managing existing relationships to maintain client satisfaction, and commercialising new opportunities with existing clients. Skills required include adept presentation of the OSTTRA value proposition (both for new services as well as existing services for revenue retention purposes) and negotiating commercial terms with client decision makers. You’ll work alongside an experienced sales team, product specialists and will collaborate with teams across OSTTRA as appropriate.

Responsibilities and impact

• Execute sales strategy for accelerating revenue generation from existing and new clients
• Understand global competitive and regulatory landscape and impact on the Investment Management Community
• Advance the development and execution of client specific account plans to address client segment challenges and opportunities
• In collaboration with the Sales Leadership, Business Line Heads, Product Leads and Marketing, develop strategies to optimally position OSTTRA products and services by: Increasing the number of clients/segment penetration, increasing number of asset classes/products used per client, increasing overall and per-client volume on our platforms
• Leverage CRM system to proactively initiate communication and coordination across segments to drive our selling efforts
• Represent and position OSTTRA at conferences, trade shows and associations as necessary

What we’re looking for

• Experience and a successful track record with the Investment Management Community including, lead generation, product presentations, commercial negotiations, closing and exceeding targets
• Understanding of financial market ecosystems and post-trade processes
• Ability to receive and interpret client communication, to adhere to the needs of the client base whilst driving sales strategy
• Capacity to understand client workflows, requirements and position solutions accordingly
• Ability to foster and grow relationships with key decision makers
• Ability to work both independently and as part of a team
• Ability to self-prioritise work and as objectives and focus evolves.
• Ability to multitask in a highly dynamic environment including accountabilities to key internal & external stakeholders
• Strong organizational and analytical skills
• Excellent oral and written communication skills

Right to work requirements: This role is limited to persons with indefinite right to work in the UK.

Our Benefits: Global vision, local impact

At OSTTRA, our benefits philosophy offers a market-competitive package that reflects our position as an industry leader. We want to ensure you feel valued, secure, and empowered wherever you are in the world.

Our approach is built on three core pillars:

• Global foundations: We provide a baseline of excellence across all our offices, focusing on comprehensive Health & Wellness, Financial Security, and Work-Life Balance. No matter your location, you are part of a culture that prioritizes your holistic well‑being.
• Locally tailored: We benchmark in each market to ensure our packages are genuinely competitive where you live and work.
• Flexibility and growth: We empower you to work in a way that suits your life. This includes a hybrid working model, generous leave policies, and a commitment to your continuous professional development.

The Trust employee ownership plan

Every employee at OSTTRA is an owner, and a member of The Trust, our employee ownership programme. Our distinct culture encourages colleagues to think and act like owners and raise the bar constantly. This plan reflects our belief that when we work together to build a stronger, more valuable organisation, then all colleagues should benefit from the value we create.

About OSTTRA

We build and operate the infrastructure that the world’s post‑trade financial system runs on. Launched in 2021, we have unified more than 20 years of heritage and expertise from four industry leaders into a single, integrated business.

Today, we operate a trusted network that connects thousands of market participants to streamline end‑to‑end workflows, from trade to capture through portfolio optimisation. We translate industry change into workable process, engineering an open, intelligent ecosystem that removes friction and reduces risk for the global markets.

Our distinct ownership culture is underpinned by four behaviours: boldness, curiosity, accountability, and collaboration. In 2025 we were acquired by KKR, one of the world’s most successful private equity firms, and are on a journey of growth and impact.

Joining our team now is a unique opportunity – you will help to shape the next generation of post‑trade, transform shared infrastructure into shared benefit, and accelerate your own career. Learn more at

Equal opportunity employer statement at OSTTRA

We are committed to fostering a connected and engaged workplace where all colleagues have access to opportunities based on their skills, experience, and contributions. Our hiring practices emphasise fairness, transparency, and merit, ensuring that we attract and retain the best talent. By valuing different perspectives and promoting a culture of respect and collaboration, we drive and operate the infrastructure that the world’s post‑trade financial system runs on.

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