Customer Success Manager

Sinch

Customer Success Manager II at Sinch, driving product adoption and fostering customer relationships. Collaborate with internal teams to ensure customer retention and success.

Posted 6/19/2026full-timeColorado, Illinois, Texas • 🇺🇸 United StatesJuniorMid-Level💰 $65,600 - $82,000 per yearWebsite

About the role

Key responsibilities & impact

As a Customer Success Manager II, you will take ownership of a portfolio of customers with increasing complexity and strategic value, acting as a key partner in their long-term success.
Through proactive engagement, strategic planning, and a deep understanding of customer goals, you’ll drive product adoption, enable value realization, and foster strong, trust-based relationships that support retention and growth.
In this role, you’ll collaborate cross-functionally with Sales, Product, Support, and Implementation teams to deliver a seamless and outcomes-focused customer experience.
You’ll guide customers through best messaging practices and tailored use cases, lead onboarding transitions and business reviews, and maintain strategic success plans that align our solutions with their evolving needs.
You’ll also play a critical role in identifying and mitigating churn risks, surfacing customer feedback to influence internal strategy, and supporting expansion opportunities through thoughtful, consultative engagement.

Requirements

What you’ll need

A bachelor's degree and a minimum of 2 years of related experience in telecommunications, mobile messaging, or an adjacent technology field; or an advanced degree without experience; or equivalent industry work experience.
Strong interpersonal skills with the ability to build rapport, manage expectations, and guide customer conversations with empathy and confidence.
Excellent verbal and written communication
Working knowledge of Customer Success platforms, CRM tools, and collaboration tools.
Familiarity with customer lifecycle management, usage data interpretation, and account planning.
Proven ability to work cross-functionally and manage multiple priorities across a portfolio of customers.

Benefits

Comp & perks

STAY HEALTHY: We offer comprehensive market competitive medical, dental, and vision plans. A variety of supplemental plans are also provided to meet your individual needs including access to telehealth for all participants.
CARE FOR YOURSELF: Take advantage of our free virtual counselling resources through our global Employee Assistance Program. Your mental health is as important as your physical health.
SECURE YOUR FUTURE: Plan for your future with our Roth and Pre-tax 401(k) options including an employer match for all participants.
TAKE A BREAK: Enjoy a generous paid time off program. We value balance and understand that performance at work requires time to rest at home and/or rejuvenate on vacation.
PUT FAMILY FIRST: We know that families can be built in a variety of ways; therefore, we offer paid parental leave and family planning support.
WORK WHEREVER: Our flexible remote work offerings allow you to work wherever you are the most productive and successful. It is what you do, not where you work, that matters.
MAKE AN IMPACT: Support betterment in your community and beyond by taking paid time off to support a volunteer program of your choice.

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Applicant Tracking System Keywords

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Hard Skills & Tools

customer lifecycle managementusage data interpretationaccount planning

Soft Skills

interpersonal skillsrapport buildingexpectation managementempathyconfidenceverbal communicationwritten communication