OSTTRA
Senior Client Services Associate (Trade Processing)
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About the Role
The Team
The Trade Processing Client Services team is the first line of contact for our clients to provide day-to-day operational client support of OSTTRA platforms that provide trade capture, trade processing, give up messaging, and credit management workflows.
You will provide essential client support while collaborating closely with Commercial, Product, Technology, Sales, and Customer Success teams across the globe.
Responsibilities and Impact
You will be supporting a diverse and high-profile client base, including leading banks, hedge funds, asset managers, and fund administrators. Our services are deeply embedded in their systems.
In this role, you will be instrumental in providing effective support to our clients through the following duties and responsibilities:
- Build trusted client relationships as the face of the global Client Services team through online engagements and face-to-face meetings.
- Act as an escalation point or a single point of contact for initiatives, services or projects from a Client Services perspective.
- Communicate incident status to clients, client enhancement requests to internal Product and Technology teams;
- Coordinate across the global Client Services team to ensure consistent, positive client outcomes.
- Participate in various initiatives and projects through testing system enhancements, identifying and tracking issues, and collaborate across Product and Technology teams for successful delivery.
- Manage and resolve operational queries related to access management, trade message workflows, configuration change requests, and errors and exceptions. You will partner closely with internal teams to ensure prompt and complete resolution.
- Conduct testing and troubleshooting; escalating complex and critical issues to Technology for deep-dive analysis.
- Deliver productive training and demonstrations to both new clients and team members, in person or through online communication tools.
- Provide onboarding and user acceptance testing support by configuring platforms for key trade capture and messaging workflows, and user access.
What We’re Looking For
Fundamental Requirements
- Communication: You must have strong communication skills—you write, speak, and present clearly and effectively, with the ability to build and maintain client relationships and to work cross-functionally.
- Problem-Solving: You are a good listener, think critically, and can analyse information to solve problems. You have the ability to analyse data to identify trends and areas of improvement.
- Client Focus: You are dedicated to providing a positive client experience and understand the impact of your actions on both internal and external partners. You understand and prioritize client confidentiality and data security.
- Organisational Agility: You can independently handle multiple tasks, manage priorities, and thrive in a fast-paced environment.
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Additional Preferred Requirements
- Tech Literacy: You are comfortable using basic software tools, including text editors and spreadsheet functions. Advanced spreadsheet skills or familiarity with the basics of how software is built (Software Development Lifecycle concepts) is preferred.
- English Fluency: Fluency in English is essential. Proficiency in another language is a plus.
- Industry Experience: Prior experience in the Financial Services industry and/or familiarity with financial markets, OTC derivatives, credit management, or post-trade processing is preferred.
- Cultivating Collaboration: You have the ability to foster a highly collaborative team culture through knowledge sharing, mentoring team members, and navigating interactions with other departments and key stakeholders.
The Location
London, United Kingdom
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.
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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 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 www.osttra.com.
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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