E2E Architect - MVNO CNaaS

About us

Join us at Orange Business!We are a network and digital integrator that understands the entire value chain of the digital world, freeing our customers to focus on the strategic initiatives that shape their business.Every day, you will collaborate with a team dedicated to providing consistent, sustainable global solutions, no matter where our customers operate. With over 30,000 employees across Asia, the Americas, Africa, and Europe, we offer a dynamic environment to develop and perfect your skills in a field filled with exciting challenges and opportunities.

About the role

Job Description

Within the MVNO CNaaS Program, Orange aims to build and deliver a comprehensive end-to-end (E2E) solution that enables Mobile Network Operators (MNOs) and Mobile Virtual Network Operators (MVNOs) to provide mobile services to retail, enterprise, and wholesale customers.

The main mission is to guarantee the E2E architecture, design, and implementation of innovative, reliable, secure and scalable solutions; including mobile core networks, IP, Telco Cloud, firewalls, HSM, and other critical components; driving the organization towards its vision of seamless connectivity, high network availability, and advanced service quality.

Main Activities

• Design and Development:

Develop E2E technical solutions, including High-Level Design (HLD) and Low-Level Design (LLD), aligned with marketing, pre-sales, and sales teams’ requirements, as well as industry best practices. Different services may have to be supported: Data, Voice (VoLTE/VoNR), SMS, Roaming, etc. The architecture must consider regulatory and security aspects. The architecture should ensure the SLAs of the different supported services.

• PoC & Demonstrations:

Support the planning and execution of Proofs of Concept (PoCs) in laboratory and pre-production environments, ensuring both horizontal and vertical (end-to-end) integration. Contribute to technical demonstrations for stakeholders.

• Define E2E Test scenarios:

Define comprehensive E2E test scenarios, monitor the execution of E2E tests, and analyse traces, logs, and alarms to validate system performance, security, resiliency, and compliance with specifications.

• Handover to Delivery Teams:

Prepare the handover to teams responsible for specific customer projects, providing technical support and ensuring smooth transition.

Key Responsibilities

• E2E Architecture Design & Integration:

Lead the design, integration, and validation of the E2E solution, including mobile core network, radio access networks (4G/5G), IP/IPX, Telco Cloud, firewalls, IT, HSM and other components, ensuring interoperability, security and scalability.

• Demonstrations & Stakeholder Engagement:

Organize technical demonstrations, workshops, and presentations to communicate progress, gather feedback, and ensure stakeholder alignment.

• Documentation & Reporting:

Maintain comprehensive documentation of architecture, design decisions, test scenarios, and results, ensuring traceability and knowledge sharing.

About you

Required Skills

• Extensive experience in defining and leading E2E architecture based on customer requirements.
• Deep knowledge of 4G/5G mobile networks, protocols, architectures, and interworking capabilities.
• Hands-on experience with containerized deployments in Telco Cloud environments, such as Red Hat OpenShift.
• Good understanding of 4G/5G RAN radio networks.
• Practical knowledge of IPv4/IPv6 architectures, including IP routing, QoS, MPLS, and VPN technologies.
• Familiarity with IT architectures (SOM, ROM) and OSS/BSS tools.
• Experience with REST APIs, WEBUI for configuration, provisioning, and automation.
• Awareness of security measures, including firewalls, HSM, and network security best practices.
• Proven track record in deploying solutions in live environments.
• Familiarity with functional, performance, and E2E testing tools.
• Strong coordination, leadership, and project management skills, with the ability to prioritize tasks and meet deadlines.
• Rigor, curiosity, and meticulous attention to detail.
• Excellent communication skills to translate client needs into technical specifications and solutions.
• Ability to actively participate in collaborative solution design and technical discussions.
• Strong interpersonal skills and a team-oriented mindset.
• Commitment to delivering high-quality products within budget and time constraints.
• Proficiency in English, both spoken and written.

Preferred Skills

• Experience working within agile methodologies.
• Familiarity with emerging technologies such as edge computing, AI/ML applications in network management.
• Ability to manage supplier relationships and coordinate external technical activities effectively.
• A proactive, continuous learning attitude to stay updated with technological advancements and industry trends.

Within OINIS/Services, the “Mobile Services” department is responsible for the architecture, engineering, the construction, deployment and operation of all international mobile services (roaming, messaging, 5G CNaaS), which are one of the growth drivers for international wholesale. The department's ambition is to drive the software transformation of mobile services as part of the move to 5G.

The Mobile Core Network Team oversees the architecture, engineering, deployment, and operation of the mobile core network.

You bring a can-do attitude, tackle challenges head-on and challenge the status quo with new and innovative ideas.

What we offer

• Global Opportunities: Work in multi-national teams with opportunity to collaborate with colleagues and customers from all over the world.• Flexible Work Environment: Flexible working hours and possibility to combine work from office and home (hybrid ways of working).• Professional Development: training programs and upskilling/re-skilling opportunities.• Career Growth: Internal growth and mobility opportunities within Orange.• Caring and Daring Culture: Health and well-being programs and benefits, diversity & inclusion initiatives, CSR and employee connect events.• Reward Programs: Employee Referral Program, Change Maker Awards.

Only your skills matter

Regardless of your age, gender identity, race, ethnic origin, religion/belief, sexual orientation, marital status, neurotype, disability, veteran status or appearance, we encourage diversity within our teams because it is a strength for the collective and a vector of innovation. Orange Group is a disabled-friendly company and equal opportunity employer: don't hesitate to tell us about your specific needs.