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Experienced Customer Success Manager – Building Customer Relationships at arenaflex

Remote, USA Full-time Posted 2026-06-17

At arenaflex, we're revolutionizing the way companies engage with their customers. Our cutting-edge platform is designed to help businesses move beyond reactive support and build true customer relationships. As a Customer Success Manager at arenaflex, you'll play a pivotal role in helping our customers get the most out of our product, from onboarding through renewal. This is a unique opportunity to join a small, dynamic team and help shape the future of customer success at arenaflex.

About arenaflex

arenaflex is a pioneering company in the B2B customer support space, leveraging AI to transform the way companies interact with their customers. Our platform is built to unify all customer interactions, enable faster team collaboration, and supercharge workflows with AI. We're proud to have some of the world's most forward-thinking companies, such as Stytch, Sanity, and Fly.io, trust us to deliver exceptional customer experiences.

The Role

As our first dedicated Customer Success Manager, you'll be responsible for ensuring our customers achieve their goals and are successful with our product. This is a hybrid role that spans onboarding, post-sales success, support enablement, and product feedback. You'll work closely with customers, product engineering, support, and sales to drive adoption, upsell, and customer satisfaction.

Key Responsibilities

* Own customer onboarding, including gathering context from sales, leading customer onboardings, and building relationships with high-value customers early on to drive adoption and long-term success.

  • Own renewals and expansions, tracking contract timelines, uncovering new use cases, and driving upsell conversations in partnership with product and sales.
  • Be the voice of the customer, gathering and summarizing feedback, advocating for customer priorities, and influencing product roadmap conversations.
  • Improve customer education, helping to improve onboarding flows, support docs, and async resources so customers can self-serve with confidence.
  • Stay close to support, working closely with the support team to triage escalations, follow up on feedback, and evolve how we support our users with arenaflex itself.

What We're Looking For

* 3-5 years of experience in a Customer Success, CX, or post-sales role at an early-stage B2B SaaS company.

  • Hands-on and proactive approach, with the ability to jump into conversations with customers, follow up consistently, and communicate clearly and thoughtfully.
  • Great product sense, with the ability to translate feedback into structured insights and push back constructively.
  • Experience supporting $10k-50k+ ACV customers and managing multiple accounts without dropping the ball.
  • Enjoy working cross-functionally with product, GTM, and support, with a passion for building the foundations of customer success at arenaflex from scratch.
  • Bonus: Comfortable handling technical topics, such as APIs, webhooks, integrations, and workflows, with customers.

What We Offer

* A dynamic and supportive team environment, with opportunities to learn and grow.

  • A competitive salary and benefits package, including health insurance, retirement plan, and paid time off.
  • A comprehensive onboarding program, with training and support to help you succeed in your role.
  • A flexible work environment, with the option to work from home or in our SF office.
  • Opportunities for professional development, including training, mentorship, and career growth.

What We're Not Looking For

* Someone who prefers working behind the scenes, as this is a high-touch, customer-facing role.

  • Someone who doesn't enjoy fast-paced and proactive communication, as most conversations happen in calls, Slack, and Notion.
  • Someone who wants a management position right away, as this is an individual contributor role.
  • Someone who needs everything figured out, as we're a small team and ambiguity is part of the job.
  • Someone who isn't interested in working in person, as this role is based in SF and requires at least 3 days a week in the office.

How to Apply

If you're passionate about building customer relationships and want to join a dynamic team at the forefront of customer success, apply now to become our Customer Success Manager. Apply for this job

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