Customer Success Manager

Who is Atominvest? Our software powers the world’s leading investment firms (across private equity, VC, infrastructure, credit etc.) enabling them to efficiently manage and drive value across their core business functions of investing, fundraising, operations and sustainability. 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-prioritising 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