Senior Customer Success Manager – Strategic Accounts

Data4

Customer Success Manager ensuring client satisfaction and retention by delivering personalized support throughout customer lifecycle in our data centers. Responsible for managing key client accounts and relations.

Posted 6/27/2026full-timeMadrid • 🇪🇸 SpainSeniorWebsite

Tech Stack

Tools & technologies

ITSM

About the role

Key responsibilities & impact

Ensure customer satisfaction, retention, and growth by delivering proactive, high-value, and personalized support throughout the customer lifecycle within our data centers.
Act as the primary point of contact for the client for all types of requests.
Manage customer communications (maintenance, events, incident management, improvement areas, technical work).
Monitor and improve customer satisfaction.
Handle all customer requests, informing management and impacted teams.
Support clients during audits.
Act as interface between customer requests and internal departments.
Participate in internal meetings related to managed accounts.
Provide on-call support as Head of Customer Success.
Identify cross-sell/up-sell opportunities.

Requirements

What you’ll need

Proven experience in customer relationship management within data centers.
Managing Key Accounts
Strong listening and needs analysis skills.
Ability to coordinate and manage projects and external service providers.
Project management capabilities.
Proficient with standard office tools.
Basic knowledge of data center technologies: power, cooling, physical security, network connectivity.
Excellent verbal and written communication skills.
Strong customer service mindset, diplomacy, and attention to detail.
Ability to simplify technical topics for various audiences.
Experience managing a technical client portfolio.
Proficient with ITSM and CRM tools.
Fluent in Local language; Fluent in English.

Benefits

Comp & perks

Flexible work arrangements
Professional development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Customer Relationship ManagementProject ManagementData Center TechnologiesNeeds AnalysisTechnical Client Portfolio ManagementCross-Sell/Up-Sell IdentificationIncident ManagementCustomer Satisfaction MonitoringCommunication Simplification

Soft Skills

Strong Listening SkillsAttention to DetailCustomer Service MindsetDiplomacyVerbal CommunicationWritten Communication