Customer Success Manager
Who is Atominvest
Atominvest is the operating layer for modern private markets asset managers. We orchestrate investor and portfolio workflows across modular, flexible technology — delivered with an outcomes-first partnership. Our customers are sophisticated private equity, growth equity, and private credit firms managing billions in assets globally.
At Atominvest, you’ll be working on something very exciting: the future of work, investments and sustainability/ ethical investing for the world’s best investors, and delivering a positive impact through this. Based on the growth we are experiencing, we think we’re on to something big.
It won’t be easy. Joining a scale up business is an amazing and rewarding challenge, pushing well beyond the boundaries of natural growth cycles. You’ll move quicker than feels comfortable, and be brilliant at continually re-prioritizing what must get done to keep Atominvest growing year over year at the pace of the best SAAS companies on the planet.
We’ve gone from zero to ten, now we’re looking to go from ten to one hundred!
Role Overview
As a Customer Success Manager at Atominvest, you will own the end-to-end delivery of our platform for both new and existing clients. You will serve as the primary partner for some of the world’s leading alternative investment managers, ensuring fast, smooth implementations while driving adoption, advocacy, and long-term account expansion. This role sits at the heart of our commercial organisation - representing the face of Atominvest to clients and collaborating closely with Product, Engineering, and Sales to ensure client objectives are consistently met.
What You’ll Be Doing
Act as the main point of contact for clients throughout onboarding, implementation, and ongoing success.
Manage the full customer lifecycle: requirements gathering, configuration, data migration, testing, training, go-live, and post-deployment adoption.
Shorten time-to-value by proactively managing timelines, dependencies, and client expectations.
Analyze client datasets, workflows, and reporting structures to configure optimal solutions.
Lead discovery workshops, training sessions, and regular business reviews with decision makers and operational stakeholders.
Deliver white-glove support, ensuring issues are escalated, prioritised, and resolved quickly.
Identify expansion opportunities by understanding client goals and how Atominvest can support their broader operating model.
If you’re excited by solving complex problems for sophisticated clients and influencing how the alternative investments industry operates, we’d love to hear from you.
Requirements
Prior experience in Customer Success, Implementation, or a client-facing role in a high-growth B2B SaaS environment.
Strong understanding of the private markets ecosystem, investor reporting, and ideally fund accounting concepts.
Exceptionally organised, with strong project management instincts and attention to detail.
Analytical, structured thinker with experience interpreting and working with client datasets.
Advanced Excel skills.
Clear, concise written and verbal communication—you can simplify complexity for senior stakeholders.
Proven ability to deliver best-in-class client service in fast-moving environments.
Collaborative team player who contributes ideas and learns quickly.
Ambitious, entrepreneurial mindset with resilience and a bias toward action.
Bonus: hands-on project management experience or formal PM frameworks.
Interview Process
Initial screening call
Case study
Interview with our Global Head of Customer Success
Interview with our US Customer Success Lead
Offer and onboarding at Atominvest
What we offer
Competitive compensation (fixed base salary + performance incentives)
25 days of holiday per year + bank holidays
Hybrid working style (a minimum of 3 days in our central London office is required)
Cycle2Work scheme
Employee Assistance Programme (EAP) to support employee wellness
A culture of trust, ownership, responsibility and autonomy in your work
An incredible team of smart and mission-driven people to work with
Fun working atmosphere
Significant growth opportunities
Company-wide socials and events