
Proximus Global, combining the strengths of Telesign, BICS, and Route Mobile, is transforming the future of communications and digital identity. Together, our solutions fuel innovation across the worldโs largest companies and emerging brands. Our unrivaled global reach empowers businesses to create engaging experiences with built-in fraud protection across the entire customer lifecycle. Why PXS Global?
๐ Global & Inclusive โ Work with diverse teams across 100+ countries, embracing a truly international culture.
๐ Growth-Focused โ Develop your career through tailored learning, leadership programmes, and internal mobility.
๐ก Innovation-Driven โ Contribute to cutting-edge projects in 5G, IoT, and next-gen communication technologies.
๐ Flexible Workstyle โ Enjoy hybrid working with the option to work remotely and even from abroad for up to 10 days a year.
๐ Efficient & Scalable โ Be part of a company that values simplicity, operational excellence, and smart growth.
๐ Comprehensive Benefits โ Enjoy a competitive and thoughtfully designed salary package, with a wide range of benefits.
Our comprehensive suite of solutions โ from our super network for voice, messaging, and data, to 5G and IoT; and from verification and intelligence to CPaaS for personalized omnichannel engagement โ enables businesses and communities to thrive. Reaching over 5 billion subscribers, securing more than 180 billion transactions annually, and connecting 1,000+ destinations, we honor our commitment to connect, protect and engage everyone, everywhere.
Key Highlights
Powering over 13 billion digital communications each month.
Supporting 3,500+ active customers โ including enterprises, OTTs, and mobile operators โ through a presence in 50+ global offices across 100+ countries.
Managing 50% of the worldโs roaming data traffic and connecting 150 million IoT devices.
Driving innovation in 5G, private networks, and IoT enablement, positioning Proximus Global as a leader in next-generation communication technologies.
Committed to a unified vision, Proximus Global is unlocking new opportunities and enabling seamless global communications for businesses worldwide.
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 and Mandarin Chinese (spoken and written) is a mandatory requirement for this position.
Whatโs in it for you?
Strategic
impact: Play a key role in shaping IoT solutions and influencing
product evolution
International
environment: Work with global enterprise customers and
cross-functional teams
Innovation-driven
role: Contribute to next-generation SFT capabilities (eSIM, platform,
APIs, etc.)
Career
development: Continuous learning, training, and internal mobility
opportunities

Proximus Group is a provider of future-proof connectivity, IT and digital services, headquartered in Brussels. The Group is actively engaged in building a connected world that people trust, so society blooms.
The Domestic segment is focused on providing state-of-the art telecommunications and IT services in the Benelux. In Belgium, core products and services are offered under the Proximus, Mobile Vikings and Scarlet brands for the residential market and Proximus NXT for the Enterprise market. The Group is also active in the Netherlands and in Luxembourg (Tango and Proximus NXT).
Proximus Global overarches the international activities of the Group, gathering the strengths of BICS, Telesign and Route Mobile. Encompassing the entire value chain from P2P Voice & Messaging and Mobility services to CPaaS and Digital Identity, Proximus Global is in a unique position to become a global digital communications leader.
The Group has the ambition to build the #1 gigabit network for Belgium and plays a central role in creating inspiring digital ecosystems, while fostering an engaging culture and empowering ways of working. Building upon these strengths, Proximus aims to contribute to an inclusive and sustainable digital society, delight customers with an unrivalled experience and achieve profitable growth both locally and internationally to deliver long-term value for stakeholders.
With 13,131 employees, imbued with Proximus' Think Possible mindset and all engaged to offer a superior customer experience, the Group realized an underlying Group revenue of EUR 6,430 million end-2024.