Customer Success Manager - IoT

Proximus Global, combining the strengths of Telesign, BICS, and Route Mobile, is shaping the future of communications and digital identity.

Our mission is simple : to enable seamless global connectivity and trusted engagements that power the world's interactions.

Together, our solutions fuel innovation across the world's largest companies and emerging brands. With a truly global reach, we enable businesses to create engaging customer experiences while integrating fraud protection across the entire lifecycle.

Our portfolio covers global voice, messaging and data connectivity, alongside 5G and IoT solutions. It also includes digital identity, verification and CPaaS platforms for personalised, omnichannel engagement. Through these capabilities, we help businesses and communities stay connected, secure and ready to grow. Today, we reach more than 5 billion subscribers, secure over 180 billion transactions every year, and connect more than 1,000 destinations worldwide — delivering on our commitment to connect, protect and engage everywhere.

Key highlights

Job Summary

We are seeking an experienced and technically strong Customer Success Manager (CSM) to join our IoT Connectivity Business Unit, with a primary focus on SIM for Things (SFT) solutions. This role goes beyond traditional post-sales support: the CSM acts as a customer-facing technical leader across the full customer lifecycle, with a strong emphasis on presales engagement, solution design, and value positioning.

As SFT evolves (e.g. eSIM management, SGP.32 capabilities, advanced connectivity services, new IoT use cases), the CSM plays a key role in translating product capabilities into customer value, supporting sales cycles, and driving adoption and expansion for Tier-1 enterprise customers.

Key Responsibilities

1. Presales & Solution Leadership (Primary Focus)

- Act as a technical partner to Sales and Business Development throughout the full sales cycle
- Lead technical presales engagements, including customer discovery, solution design, and value positioning
- Translate customer business requirements into scalable IoT/SIM Management Portal architectures and configurations
- Support and lead RFP/RFI responses, solution validation, and deal qualification
- Present BICS SFT solutions (connectivity, eSIM Hub, APIs, platform capabilities) to customers
- Drive POCs, trials, and customer onboarding readiness

2. Trusted Technical Advisor

- Serve as the primary technical point of contact for customers
- Guide customers on IoT connectivity strategies, platform usage, and solution scalability
- Advise on BICS SFT product evolution, including new features, use cases, and roadmap alignment
- Ensure alignment between business objectives and technical implementation

3. Customer Onboarding & Integration
- Own the end-to-end onboarding journey (connectivity setup, SIM lifecycle, API integration, etc.)
- Coordinate cross-functional teams to ensure smooth deployment and integration
- Lead customer training on BICS SFT platform, APIs, and operational processes

4. Lifecycle Management & Value Realisation
- Manage customer lifecycle from onboarding through growth and renewal
- Ensure customers adopt and fully leverage BICS SFT capabilities
- Identify and develop new use cases, upselling, and expansion opportunities
- Monitor KPIs and proactively drive customer success and retention

5. Customer Advocacy & Product Feedback
Act as the voice of the customer internally across Product, Marketing, and Delivery teams
Gather feedback and contribute to product roadmap evolution
Support innovation by linking customer needs to BICS SFT product evolution

Your Profile

- Strong technical background in Telecom, IoT, or IT Engineering
- Proven experience in a Customer Success / Presales / Solution Engineering role
Solid understanding of:
- IoT connectivity and roaming ecosystems
- MVNO / MVNE / M2M models
- eSIM technologies and evolving specifications (e.g. SGP.32)

- Ability to act as a customer-facing technical expert and consultant
- Experience with complex solution design and customer onboarding
- Strong communication and presentation skills (technical & business audience)
- Experience with Cloud and AI solutions is considered an advantage.
- Fluency in English (spoken and written) is a mandatory requirement for this position.Fluency in Spanish is a strong asset

Why Proximus Global?

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