MaintainX is seeking an Expansion Account Executive, Mid-Market to drive growth with mid-size clients. You will own a portfolio from post-sale handoff through renewal and expansion, craft solutions, and demonstrate value through tailored product demos. The role emphasizes customer success, long-term partnerships, and data-driven decision making. The ideal candidate has 4+ years in B2B sales, proven expansion success, and robust presentation and stakeholder-management skills.