Customer Success Manager (B2B Account Management)

Location: Remote from Mexico, Colombia, Brazil, Argentina, or Costa Rica; U.S. business hours required

What you will do

• Manage an assigned portfolio of existing B2B customer accounts and serve as the primary point of contact.
• Build long-term relationships through proactive check-ins, calls, emails, and virtual meetings.
• Monitor satisfaction and retention risks, address concerns, and maintain ongoing customer engagement.
• Identify qualified upsell and cross-sell opportunities and coordinate handoffs with Sales.
• Collaborate with Sales, Engineering, Operations, and Support to resolve customer issues and support onboarding follow-ups.
• Maintain CRM records, track account health and renewals, and report customer insights and trends to leadership.

Requirements

• 2+ years of experience in Customer Success, Account Management, Client Services, Relationship Management, or a similar customer-facing role.
• Experience managing relationships with B2B customers.
• Excellent verbal and written English communication skills and availability during U.S. business hours.
• Comfort making proactive outbound calls to existing customers.
• Strong consultative communication, relationship-building, organization, and attention to detail.
• Experience with CRM platforms such as Salesforce, HubSpot, or similar, plus the ability to work independently and across multiple teams.

Nice to have

• Experience in telecommunications, wireless, internet services, managed services, or technology.
• Experience supporting geographically distributed customer accounts or working with U.S.-based customers.
• Understanding of B2B technology or connectivity solutions.

Culture & Benefits

• Remote full-time role.
• Work includes collaboration with Sales, Engineering, Operations, Support, and leadership.
• Customer relationships are managed through phone, email, and virtual meetings.

Hiring process

• Initial recruiter screening, followed by a client interview and offer stage.
• After applying, complete a self-recorded introductory video through Spark Hire; multiple takes are allowed.