**Experienced Customer Success Manager – Driving Net Revenue Retention and Customer Delight in a High-Growth HR Tech Startup**

Posted 2026-05-06
Remote, USA Full-time Immediate Start

At arenaflex, we're revolutionizing the world of HR tech with our innovative software solutions that empower in-house recruitment teams to attract, hire, and onboard the right talent. As a high-growth startup, we're constantly pushing the boundaries of what's possible, and we're looking for a seasoned Customer Success Manager to join our team and help us scale.

  • *About arenaflex**

arenaflex is a dynamic and ambitious HR tech startup that's making waves in the industry. With a strong foundation in place, we've got a mature product, a solid product-market fit, and happy customers. Our rapid growth has brought exciting new challenges, and we're looking for an experienced Customer Success Manager to help us navigate them. As a key member of our team, you'll play a critical role in driving Net Revenue Retention, retaining customers, and uncovering opportunities for upsell and expansion.

  • *The Role**

As our Customer Success Manager, you'll own a book of business worth ~£1.5–2M, balancing proactive, tech-driven engagement with in-person relationship building when it counts. Your North Star will be Net Revenue Retention, and you'll be responsible for:

  • Owning commercial outcomes across your portfolio, driving Net Revenue Retention by retaining customers, mitigating risk, and proactively leading upsell and expansion opportunities
  • Building and managing stakeholder relationships across accounts, ensuring high sentiment and advocacy that support renewal and growth
  • Partnering with clients to define success metrics and create tailored success plans aligned with their business goals
  • Confidently leading upsell/expansion conversations, shaping opportunities, and building business cases to close incremental revenue
  • Acting as the voice of the customer internally, providing insights and feedback to Sales, Product, Engineering, and Support
  • Tracking and analyzing customer health metrics, turning insights into action to reduce risk and maximize growth
  • Balancing strategic planning with day-to-day problem-solving, staying close to customer challenges and opportunities
  • *The Tech Stack**

You'll be working with a range of cutting-edge tools, including:

  • Google Workplace
  • Notion
  • Slack
  • Zoom
  • Hubspot
  • Intercom
  • Linear
  • Guru
  • *About You**

We're looking for a seasoned Customer Success Manager with:

  • 3+ years of experience in Customer Success, with a proven track record of driving renewals, upsell, and expansion in B2B SaaS (ideally managing a >£1M portfolio)
  • Strong preference for experience in an early-stage startup or high-growth SaaS environment
  • Commercially sharp, comfortable building business cases, and shaping opportunities
  • Entrepreneurial mindset, proactive, creative, and comfortable in a fast-changing startup environment
  • High ownership, you run your portfolio like it's your own business and bring forward ideas, not just problems
  • Calm under pressure and skilled at juggling multiple accounts at different lifecycle stages
  • Data-driven, you analyze customer health metrics, spot trends, and turn insights into strategy
  • Background in HR tech / recruiting tech OR direct recruiting experience (agency or in-house) is a plus
  • Based in the UK with work authorization and the ability to travel up to 20% of the time for on-site client visits
  • *What We Offer**

At arenaflex, we're committed to creating a work environment that's supportive, inclusive, and exciting. Here's what you can expect:

  • **Gold-plated healthcare** – The best medical, dental, and optical coverage money can buy. We've got you (and your family) covered
  • **Unlimited holidays** – Work-life balance matters. Take the time you need to rest, recharge, and enjoy life
  • **Mental health support** – Unlimited, immediate access to professional counseling through Spill—because your well-being comes first
  • **Retirement matching** – A competitive plan to help you hit your long-term financial goals
  • **Remote-first culture** – Work where you're most productive. As a remote-first team, we prioritize flexibility and trust
  • **Meaningful equity** – You're helping build something special, and you should share in its success
  • **Generous parental leave** – Up to 16 weeks of fully paid leave to support new parents
  • **Learning budget** – Annual funds for courses, books, or anything else that fuels your personal and professional growth
  • **Top-of-the-line equipment** – MacBook Pro, 4K monitors, and all the right tools to do your best work
  • **A team that's got your back** – Smart, driven, kind people who want you to succeed, our clients to be wowed, and our business to grow
  • *How to Apply**

If you're a seasoned Customer Success Manager with a passion for driving Net Revenue Retention and customer delight, we'd love to hear from you. Please submit your application, including your resume and a cover letter, to [insert contact information].

Similar Jobs

Back to Job Board