Job Summary: We are looking for a methodical and organized Service Manager to manage and develop an international client portfolio and support the internationalization strategy. Key Points: 1. Manage and develop an international client portfolio 2. Support the internationalization strategy 3. International projection and professional growth At Excelia, a multinational consulting, technology, and professional services firm, we have over 25 years of experience and a presence in more than 50 countries across Europe, Latin America, and the United States, through our 9 owned offices. We are seeking a Service Manager with a methodical, organized, and detail-oriented profile to join a dynamic and growing environment. The role has a clear focus on managing and developing the client portfolio, as well as supporting the company’s internationalization strategy. Advanced English proficiency is mandatory. Knowledge of French and/or Portuguese will be considered a plus. Main Responsibilities * Coordinate the launch of new services, including documentation review, system onboarding, team introductions, and preparation of the client profile and guide. * Manage and develop the client portfolio, maintaining and expanding the current base while capturing new business opportunities. * Monitor and control billing, collections, and profitability, promoting cross-selling, service expansion, and contract renewals. * Supervise service delivery, ensuring customer satisfaction and coordinating external vendors and internal teams (quality and hours invested). * Keep client information up to date and properly managed, including meeting minutes, key communications, legal and financial documentation, reports, and client profiles. * Identify growth and expansion opportunities, proposing solutions and improvements aligned with client needs and business objectives. Requirements * Proven experience in managing and developing international client portfolios. * Advanced English proficiency is mandatory (additional languages will be valued). * Strong problem-solving and decision-making skills. * Excellent communication and client relationship skills. * Prior experience in technology and services / BPS companies, with knowledge of: * Service delivery processes * SLA monitoring * Profitability * Cross-selling * Incident management and escalation * Ability to work autonomously, with order and attention to detail, in dynamic environments. If you are motivated by a role with direct client impact, international exposure, and growth potential, we want to meet you.