Customer Implementation Manager

The
Customer Integration Manager
plays a critical role in ensuring a seamless post-sale experience by leading customers through the successful implementation of Proximus Global's products. This role exists to accelerate time to value, drive adoption, and help scale onboarding operations as part of Proximus Global's global expansion. To achieve these outcomes, the Integration Manager will lead technical and strategic integration efforts, coordinate timelines and stakeholder communication, resolve issues efficiently, and collaborate cross-functionally with Sales, Solutions Engineering, Product, and Support teams to ensure every customer receives a smooth, timely, and impactful onboarding experience.

Key Responsibilities

• Lead end-to-end customer integrations, from kick-off through production, across various industries and customer sizes, ensuring timely execution aligned with customer launch plans;
• Act as the primary post-sale contact, building trust with key stakeholders and managing all onboarding, product setup, and integration communications;
• Conduct technical integration sessions with customer product owners, engineers, and executives, providing expert-level guidance on products and capabilities;
• Drive project planning and execution, including timeline management, risk assessment, issue resolution, and regular internal and external status updates;
• Track and exceed key onboarding KPIs, including Time to Integrate, Time to Revenue, Onboarding Churn, while managing a dynamic pipeline of projects;
• Contribute to team and process evolution, continuously improving integration methods, tools, and documentation as part of a growing integration team;
• Collaborate cross-functionally across internal teams, including Sales, Solutions Engineering, Product, and Support, to ensure alignment and a seamless customer experience.

Required Qualifications

• 1–3 years of experience in a customer-facing technical role, such as implementation, technical support, solutions engineering, or technical project coordination—ideally within a SaaS or communications platform company;
• Technical aptitude and ability to understand and explain APIs;
• Strong written and verbal communication skills;
• Project coordination and time management;
• Problem-solving and analytical thinking;
• Stakeholder relationship management;
• Cross-functional collaboration;
• Adaptability in a fast-paced, evolving environment;
• Customer-centric mindset with attention to detail;
• Bachelor's degree in a technical field (e.g., Computer Science, Engineering, Information Systems) or equivalent practical experience;
• Excellent communication skills (written and verbal) in English.

We are offering

• Good compensation - Competitive € salary plus benefits package.
• Development opportunities.
• Challenging but also a friendly working environment.
• And much, much more...

About Telesign
Telesign connects and protects online experiences with sophisticated customer identity and engagement solutions. Through APIs that deliver user verification, data insights, and communications we solve today's unique customer challenges by bridging businesses to the complex world of global telecommunications.

Telesign is proud to be an equal opportunity employer. We believe our differences help us create a better workplace, a better product, and a better community. We do not discriminate on the basis of race, color, ancestry, religion, national origin, marital status, pregnancy, sex, sexual orientation, gender, gender identity or expression, age, genetic information, disability, military or veteran status, or any other basis protected by federal, state or local law, ordinance or regulation.

Telesign is an Affirmative Action Employer and as part of the commitment to AAP, it will seek to ensure affirmative action to provide equality of opportunity in all aspects of employment, and that all personnel activities, such as the recruitment selection, training, compensation, benefits, discipline, promotion, transfer, layoff and termination processes remain free of illegal discrimination and harassment based on protected characteristic