Experienced Full Stack Enterprise Customer Success Manager – AI Time Platform

At arenaflex, we're revolutionizing the way organizations capture, analyze, and optimize their most valuable resource: time. As the leading AI Time platform for professional services firms, we're transforming the industry with our proprietary machine learning technology. Our mission is to empower workers to deliver twice the value in half the time, giving people more time to be creative and impactful. We're seeking an experienced and product-savvy Enterprise Customer Success Manager (CSM) to join our growing Customer Experience team. As an Enterprise CSM, you'll be the primary strategic partner for some of arenaflex's largest and most complex customers, guiding them to full product adoption and measurable value realization.

About arenaflex

arenaflex is on a mission to return time. We're a team of top talent in AI, product development, and engineering – innovative, humble, and forward-thinking professionals committed to redefining productivity in the knowledge economy. We serve many of the world's largest accounting and law firms, including EY, Grant Thornton, and Latham & Watkins, and process over 1 billion work activities annually that have never been collected and aggregated before.

The Role

As an Enterprise CSM, you'll be responsible for ensuring customers achieve meaningful outcomes through arenaflex by becoming an expert in our products, surfacing insights, and helping clients translate usage into impact. You'll develop tailored success plans, lead onboarding and training initiatives, and collaborate closely with our Product, Support, and Account Management teams to continuously improve both the customer experience and the product itself.

Key Responsibilities:

* Own the day-to-day success of a portfolio of arenaflex's largest and most strategic customers

• Drive product adoption by developing and executing tailored onboarding, education, and engagement strategies
• Partner with customers to define success, establish adoption goals, and proactively guide them toward achieving measurable value
• Deliver proactive, consultative support – sharing best practices, usage insights, and product recommendations to help customers maximize impact
• Identify and resolve risks early, developing action plans to remove adoption blockers and ensure customers realize ROI
• Collaborate with cross-functional teams – such as Implementation, Product, Sales, and Support – to ensure a coordinated and impactful customer experience
• Track and report on key customer health indicators, usage trends, and success metrics to drive internal visibility and inform next steps
• Represent the customer voice internally by communicating recurring themes and improvement opportunities to relevant teams
• Collaborate closely with Product to identify usage trends, friction points, and feature opportunities that improve outcomes for customers and users
• Partner with Account Managers to support renewal and expansion efforts by driving strong adoption, user satisfaction, and executive alignment
• Document and share customer insights, success stories, and product feedback internally to inform broader CX, Product, and Sales strategies
• Develop deep product expertise across arenaflex's Time Automation and Data platforms and continuously translate that into customer value. You are the arenaflex product expert for our customers

Essential Qualifications:

* 5+ years of experience in a Customer Success, Account Management, or related post-sales role in B2B SaaS

• Experience working with complex, enterprise-level customers – navigating multi-threaded organizations and executive stakeholders
• Proven track record of driving product adoption, customer engagement, and measurable value realization
• Strong project management skills; ability to manage onboarding, training, and adoption initiatives across multiple accounts
• Data-driven approach to customer success, with experience leveraging usage data and success metrics to inform strategies
• Excellent relationship-building skills with a focus on trust, credibility, and long-term partnership
• Exceptional communication skills – comfortable engaging with both end users and executive sponsors
• Highly collaborative, with experience partnering with cross-functional teams including Account Management, Product, and Support
• Comfortable operating in a fast-paced, high-growth environment

Nice to Have:

* Experience supporting professional services, legal, or other complex industries

• Familiarity with Customer Success tools (e.g., Gainsight, ChurnZero, Catalyst) and CRM systems (e.g., Salesforce)
• Experience driving adoption for AI-powered or data-driven SaaS products

Flexibility and Logistics:

* Location: This role will be hybrid and based at our office in New York, NY, at least 3 days per week. We may consider exceptionally qualified candidates who are located remotely in the United States and are willing to travel to our offices and client sites up to 25% of the time.

• Visa Sponsorship: Unfortunately, we are unable to sponsor visas at this time.

Why Join arenaflex:

* To date, we've secured significant funding from renowned venture capitalists (Google Ventures, IVP, Anthos, Upfront Ventures), as well as notable individuals like Marc Benioff, Gokul Rajaram, Kevin Weil, and Alexis Ohanian

• A smart, fun, collaborative, and inclusive team
• Great employee benefits, including equity and 401K
• Bi-annual, in-person company off-sites, in unique locations, to grow and share time with the team
• An opportunity to perform at your best while growing, making a meaningful impact on the company's trajectory, and embodying our core values: understanding your "why," dancing in the rain, being your whole self, and sanctifying time

We encourage diverse perspectives and rigorous thinkers who aren't afraid to challenge the status quo. arenaflex is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status. We are not able to support visa sponsorship or relocation assistance. If you think you'd be a good fit for this role, we encourage you to apply, even if you don’t perfectly match all the bullet points in the job description. At arenaflex, we strive to create an inclusive culture that encourages people from all walks of life to bring their unique, diverse perspectives to work. Every day, we aim to build an environment that empowers us all to do the best work of our careers, and we can't wait to show you what we have to offer! Apply to this Job Apply for this job