Sr Dir, Customer Success

Sinch; United States; Remote; USD 177,000 - 276,000; Full time

Benefits offered by this job

Health insurance

Remote work flexibility

401(k) with company match

Generous PTO

Parental leave

Volunteer time off

Employee discounts

Job summary

Sinch is seeking a Senior Director of Customer Success for Strategic Accounts to own the success, retention, and growth of its largest customer relationships. You will lead a team of CS leaders and Strategic CSMs, report to the SVP, and collaborate with Sales, Product, and Marketing to deliver an exceptional, unified experience from onboarding through expansion.

You will drive net revenue retention targets, build long-term account plans, and shape renewals and expansion, while aligning product

Qualifications

• Experience in senior leadership roles in global/high-growth tech.
• Proven ability to deliver NRR, retention, and expansion for large enterprise accounts.
• Experience building executive-level relationships with enterprise customers.
• Strategic multi-year account planning across global segments.
• Experience leading and scaling teams of managers and ICs with coaching.
• Strong commercial acumen with renewals, expansion, and negotiations.
• Proficiency in CS and CRM platforms, reporting, analytics tools.
• Cross-functional collaboration with senior leaders across Sales, Product, Marketing, Finance.
• Executive presence and customer advocacy experience.
• Track record of leading change management; CPaaS/SaaS or usage-based models preferred.
• Bachelor's degree; MBA or equivalent preferred.

Responsibilities

• Lead and develop a team of CS Directors and Strategic CSMs for high-value accounts, owning net revenue retention targets.
• Build and execute multi-year strategic account plans tied to customer objectives with clear success metrics.
• Serve as executive sponsor and escalation point, building trusted C-level relationships.
• Deploy a high-touch lifecycle model for onboarding, adoption, value realization, advocacy, renewal and expansion.
• Support high-priority escalations, coordinating with Product and executive leadership.
• Shape deal strategy, renewals, and commercial expansion negotiations.
• Channel customer insights into Product and Marketing to influence roadmap and advocacy programs.
• Standardize KPIs, tools, and dashboards for forecast accuracy and accountability.
• Recruit, coach, and retain top CS talent and create clear career paths.

Skills

Executive leadership

Strategy & planning

CRM platforms

Data analytics

Cross-functional collaboration

Education

Bachelor's degree

MBA preferred

Tools

Salesforce

CRM reporting tools

Job description

ABOUT SINCH

Sinch’s vision is to connect every business with every customer, everywhere in the world. More than 200,000 businesses — including Google, Uber, Paypal, Visa, Tinder, and many others — rely on Sinch’s Customer Communications Cloud to power engaging customer experiences through mobile messaging, voice, and email.

Whether you need to verify users or craft omnichannel campaigns, Sinch makes it easy. Our AI-infused Super Network, APIs, and applications ensure you can connect with your customers reliably and securely, at every step of their journey.

At Sinch we "Dream Big", "Win Together", "Keep it simple", and "Make it Happen". These values are our foundation!

DESCRIPTION

At Sinch, we put our customers at the center of everything we do. As Senior Director of Customer Success for Strategic Accounts, you will own the success, retention, and growth of Sinch's largest customer relationships. This leadership role carries accountability for net revenue retention, expansion, and executive-level advocacy across a portfolio of strategic accounts, delivering outcomes that fuel business growth and deepen partnerships at scale.

You will lead a team of Customer Success leaders and Strategic CSMs, report to the SVP of Customer Success, and collaborate closely with senior leaders in Sales, Product, Customer Excellence, and Marketing to deliver an exceptional, unified experience for our largest customers from onboarding through expansion.

Key Responsibilities:

• Lead and develop a team of Customer Success Directors and Strategic CSMs responsible for Sinch's highest-value accounts. Own net revenue retention targets for the Strategic Accounts portfolio.
• Build and execute multi-year strategic account plans that tie Sinch's solutions to each customer's business objectives, with clear success metrics, executive sponsors, and growth pathways.
• Serve as the executive sponsor and senior escalation point for strategic customers, building trusted relationships with customer C-level and senior stakeholders.
• Deploy a high-touch lifecycle model for strategic accounts covering onboarding, adoption, value realization, advocacy, renewal, and expansion with tailored playbooks for complex, multi-product, multi-region customers.
• Support the resolution of high-priority customer escalations quickly and effectively, following the lead of Customer Excellence and collaborating with Product, and executive leadership.
• Shape deal strategy, contract renewals, and commercial expansion negotiations for strategic accounts, including usage and consumption-based revenue models.
• Channel strategic customer insights into Product and Marketing to influence roadmap priorities, and build advocacy programs that increase NPS, reference ability, and brand champions among key accounts.
• Standardize KPIs, tooling, and dashboards for the Strategic Accounts team to ensure forecast accuracy, visibility, and accountability.
• Build a high-performance culture by recruiting, coaching, and retaining top talent, and by creating clear career paths for strategic CS professionals.

REQUIREMENTS

• Experience in senior leadership roles, leading customer success, account management, or strategic account teams in a global or high-growth technology company.
• Proven track record of delivering NRR, retention, and expansion results across a portfolio of large enterprise or strategic accounts.
• Experience building and managing executive-level relationships with enterprise customers, including C-level engagement and complex escalation management.
• Strategic planning and execution expertise, including multi-year account planning across global segments and verticals.
• Experience leading and scaling teams of managers and individual contributors, with strong coaching and talent development skills.
• Strong commercial acumen, including experience partnering with Sales on renewals, expansion, and contract negotiations.
• Proficiency in CS and CRM platforms, reporting, automation, and data analytics tools.
• Strong cross-functional collaboration with senior leaders across Sales, Product, Support, Marketing, and Finance.
• Outstanding executive presence, storytelling ability, and customer advocacy experience.
• Track record of leading change management and organizational improvement.
• Experience in CPaaS, communications, SaaS, or usage-based business models preferred.
• Bachelor's degree required; MBA or equivalent preferred.

OUR HIRING PROCESS

We are committed to ensuring a recruitment process that is fair, objective, consistent, and inclusive. Our approach includes structured, competency-based interviews designed to evaluate your skills, experience, and qualifications relevant to the role. At times, we may include a data-driven assessment to enhance our hiring success and identify candidates likely to excel.

Benefits

• 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.
• TREAT YOURSELF: We offer discounts on retail, entertainment and more through our Reward+ program.

The estimated total annual on-target earnings (OTE) for this role are $221,000 - $276,250. The annual starting base salary for this position is $176,800 - $221,000. Factors that may affect starting pay within this range include geography/market, skills, education, experience, and other qualifications. In addition to base salary, this position is eligible to participate in the Company’s commission plan, with a target commission opportunity equal to 25% of annualized base salary, subject to the terms of the applicable commission plan.

This role will be accepting applications until October 21, 2026 at a minimum. Please note that the application timeline may be flexible to accommodate a comprehensive candidate evaluation process.