Investment Support Specialist

Mercury is building the complete finance stack for startups, one where founders spend less time thinking about money infrastructure and more time building their companies. We've spent years earning the trust of over 300,000 businesses on the banking* side. In 2026 we are launching Mercury Treasury, we're expanding the team to match. This isn't a role where you inherit a playbook, you'll help write it. You'll be an early, high-impact member of a team being built from the ground up, and your insights will directly shape how the product and team evolve. You'll need to understand treasury products deeply. This includes money market funds, yield, liquidity management, and how it all fits within a customer's account. The financial system has a lot of moving pieces, and your job is to make it feel simple and approachable for our users. As an investment support specialist you'll bring warmth and expertise in equal measure, answering complex product questions, resolving escalated issues, and educating customers. You'll also serve as the connective tissue between our users and our product and engineering teams. * Mercury is a fintech company, not an FDIC-insured bank. Banking services provided through Choice Financial Group and Column N.A., Members FDIC. What You’ll Do: Own customer communications across chat and email, handling everything from application questions to complex Treasury/Invest topics Educate customers on product functionality and how it fits within their accounts Address escalated issues with swift resolution, balancing customer needs with business integrity and regulatory compliance Build genuine, lasting relationships with users Identify systemic issues, partner with product and engineering on solutions, and serve as the voice of the customer internally Use customer insights and data to spot trends and propose improvements Draft help center articles, FAQs, and customer comms Build processes, improve internal tools, and help scale Mercury 's support and ops i