Job
- Level
- Senior
- Location
- Betzdorf
- Working Model
- Hybrid, Onsite
- Job Field
- IT, Network, Embedded
- Employment Type
- Full Time
- Contract Type
- Permanent employment
Job Summary
In this role, you will develop the end-to-end architecture for 5G and NTN, define RAN requirements, and conduct integration tests to ensure a fully functional multi-vendor system integration.
Job Technologies
Your role in the team
- You will act as the end-to-end technical authority for 5G & 3GPP NR NTN architecture and system integration, spanning RAN, payload, SMO/O-RAN, and core network domains.
- Your primary focus is to define the system architecture, drive RAN requirements, and ensure successful multi-vendor integration and validation.
- You will lead critical technical decisions, and align engineering teams across domains.
- Within your first year, you will enable a fully integrated NTN system, with clear RAN requirements, validated interfaces, and a robust verification strategy supporting demo and flight readiness.
- As a 5G Architect, 3GPP NR NTN, meoSphere, you will be responsible for: defining and assessing 5G RAN and 5G-NTN solution architectures, including NG-RAN functional split, protocol stack, radio interface behavior, and integration with terrestrial and non-terrestrial network environments.
- Define and drive the 3GPP NR NTN system and RAN architecture, including key trade-offs across payload, RAN, and core.
- Perform and document trade-off studies covering RAN architecture, RF performance, beamforming, beam hopping, beam sweeping, coverage enhancement, mobility, and implementation complexity.
- Provide architecture guidance on 5G RAN protocol stack design and integration, including RRC, SDAP, PDCP, RLC, MAC, PHY interactions and NG-RAN architecture interfaces.
- Act as the technical authority for the E2E 5G NTN architecture, aligned with 3GPP Rel-17/18/19 and future evolution.
- Drive integration of NTN RAN with 5G Core, with particular focus on distributed UPF and core architectures.
- Lead SMO / O-RAN architecture and development direction, including SMO concepts and real-time RIC integration.
- Act as the primary technical interface across RAN, payload, core, and orchestration teams.
- Coordinate all RAN-related activities across internal teams and external partners.
- Ensure multi-vendor alignment on requirements, interfaces, and integration priorities.
- Drive end-to-end system integration, verification, and performance optimization.
- Support technology roadmap, system evolution, and standardization activities.
- Provide technical guidance and mentoring to senior engineers across domains.
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Our expectations of you
Qualifications
- Expert knowledge of 3GPP 5G RAN and 5G-NTN standards, including RAN2 radio layer 2 protocols, RAN3 NG-RAN architecture, and RAN4 RF/RRM performance aspects.
- Starkes Wissen über 5G-NTN-Funktionen, einschließlich Beamforming-Techniken, Beam Hopping, Beam Sweeping, Random Access-Verfahren in NTN und bedingtes Handover in NTN.
- Solid knowledge of 5G Core architecture, including UPF and distributed deployments.
- Starkes Verständnis der NTN-Beschränkungen und Satellitenkommunikationssysteme.
- Knowledge of O-RAN architecture, SMO, and RIC frameworks is nice to have.
- Background in PHY, link-level performance, or system simulation is nice to have.
- Participation in 3GPP standardization or advanced research programs is nice to have.
- System owner mindset - drives coherence across domains and vendors.
- Pragmatic rigor - defines clear requirements and verification without blocking delivery.
- Hands-on architect - capable of diving into technical issues when needed.
- Low ego, high standards - builds alignment across strong technical stakeholders.
- The candidate must be eligible for a "SECRET" security clearance, in accordance with the national regulations as well as EU/ESA/NATO equivalents.
- Willing to work at least 60% onsite from office.
- Reisen Sie bei Bedarf zu Projektumsetzungszwecken.
Experience
- 10+ years in wireless systems, RAN, NTN, or satellite communications.
- Experience with RAN/RF performance modelling, coverage analysis, link budget interpretation, mobility studies, and vendor-provided simulation or planning outputs.
- Hands-on experience with multi-vendor environments, bring-up, and vendor coordination.
- Experience with beam hopping, beam management, or payload optimization is nice to have.
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What we offer
- The job responsibilities outlined in this document are not exhaustive and may evolve over time and be reviewed according to business needs.
- SES and its Affiliated Companies are committed to providing fair and equal employment opportunities to all.
- We are an Equal Opportunity employer and will consider all qualified applicants for employment without regard to race, color, religion, gender, pregnancy, sex, sexual orientation, gender identity, national origin, age, genetic information, protected veteran status, disability, or any other basis protected by local, state, or federal law.
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Benefits
Health, Fitness & Fun
Food & Drink
Work-Life-Integration
Topics You Will Work On
Job Locations
About Your Employer
SES
As the world's leading provider of digital price tags, the SES-imagotag Group supports leading retailers worldwide in digitizing their processes. 200 retail chains in more than 60 countries trust our 370 specialists for their digital solution expertise.
Description
- Company Size
- 1-49 Employees
- Language
- English
- Company Type
- Established Company
- Working Model
- Full Remote, Hybrid, Onsite
- Industry
- Internet, IT, Telecommunication
Senior 5G Architect
- Location
- Betzdorf
- Working Model
- Hybrid, Onsite
- Diversity
- Open for all genders
- English Only
- English only required
