Customer Success Specialist – Billing Operations

Purpose

At Les Mills, purpose and passion go hand in hand. Since 1968, we’ve been creating life-changing fitness experiences that move millions of people every week across the globe. We believe greatness comes from empowering people to play to their strengths, take ownership, and feel proud of the role they play in creating a fitter planet. We’re looking for a Customer Success Specialist – Billing Operations to join our US team in Chicago.

The Role

The Customer Success Specialist – Billing Operations provides exceptional service to both internal and external customers while supporting the day-to-day success of our Billing Operations and Accounts Receivable functions. Working closely with the Customer Success Lead – AR & Billing Operations, you’ll manage billing setups, invoicing, payment processing, and account follow-ups, while serving as a subject matter expert for US billing processes. You’ll collaborate cross-functionally with Customer Experience (CX), Finance, Legal, and global stakeholders to ensure accuracy, compliance, and a seamless partner experience.

What You’ll Do

• Draft partnership agreements and set up billing across all customer types
• Manage daily billing and AR support cases with speed, accuracy, and care
• Generate, review, and issue timely and accurate invoices
• Process incoming payments and reconcile customer accounts
• Maintain data integrity through audits, reconciliations, and Salesforce documentation
• Support monthly billing cycles, including specialized invoicing, data cleanup, and partner communications
• Monitor outstanding balances, follow up on past-due accounts, and escalate delinquency when required
• Collaborate with CX, Finance, Legal, Sales, and global teams on contracts and billing matters
• Build and maintain standard operating procedures (SOPs)
• Lead or support ad hoc projects and process-improvement initiatives
• Step in flexibly to support urgent priorities and business-critical needs

Who You Are

• Bring both technical skill and a customer-first mindset, including:
• 2+ years of experience in billing operations, accounts receivable, or finance support
• Strong Excel skills and comfort working with financial data
• Experience using Salesforce or a similar CRM
• Familiarity with Adobe Commerce (Magento) preferred
• Confidence communicating with customers by phone and email
• Clear, professional written and verbal communication skills
• Strong organization, time management, and attention to detail
• Comfort working to deadlines in a fast-paced, high-volume environment
• A proactive, solutions-oriented approach and willingness to roll up your sleeves
• Resilience, adaptability, and calm under pressure
• Curiosity and a continuous improvement mindset

Location & Hours

• Location: Chicago office (hybrid)
• Schedule: Monday–Friday, 9:00 AM–5:30 PM
• Occasional work outside standard hours may be required to meet business needs