Job Description

OQ Technology is looking for a NTN Simulation Software Engineer to support the design, development, and evaluation of next-generation satellite communication systems, with a focus on software-based system simulation, modeling, and performance analysis.

The role involves system-level modeling, simulator and testbed development, and large-scale performance evaluation of satellite networks, supporting OQ Technology’s product roadmap and R&D activities in LEO/VLEO satellite communications.

This is a hands-on engineering role with a strong emphasis on software development, combined with system engineering and standards-aware modeling.

Tasks

Software Engineering & Tooling

· Develop robust simulation pipelines, including configuration handling, logging, data storage, and result post-processing.

· Apply software engineering best practices: version control, code reviews, documentation, and testing.

· Optimize simulation performance and scalability where required.

· Contribute to the evolution of internal simulation frameworks and tools.

Simulation & Testbed Development

· Design and implement modular system-level simulators for satellite communication systems.

· Develop software models for Satellite payload and user links, telcom protocol abstractions and User traffic and mobility models

· Integrate models across space, ground, and user segments.

Performance Evaluation & Analysis

· Execute large-scale simulations and analyze system performance.

· Support validation and benchmarking of new technologies against baseline systems.

Technical Documentation & Reviews

· Produce clear technical documentation for internal and external stakeholders.

· Contribute to project planning and technical reporting.

Requirements

Education

· MSc or PhD in Telecommunications, Wireless Communications, Aerospace Engineering, or a related field.

Essential Skills

· Strong software development skills with experience in complex technical codebases.

· Proficiency in Python and/or MATLAB for scientific computing and simulation. C++ will be an asset.

· Experience with object-oriented and modular software design.

· Experience building or maintaining simulation frameworks, numerical models, or analytical tools.

· Ability to translate high-level system concepts into executable software models.

· Prior involvement in European, ESA, or collaborative R&D projects.

Desirable Experience

· Basic understanding of satellite communication systems (LEO/VLEO preferred).

· Familiarity with 5G NR and/or NB-IoT, and awareness of NTN adaptations.

· Exposure to system-level requirements and KPIs (throughput, latency, availability, coverage).

· Familiarity with RRM, handover, beam management, or routing at a conceptual or modeling level.

· Experience with open-source simulators or telecom stacks (e.g., ns-3, OAI, srsRAN).

Benefits

• Enjoy a 50% income tax exemption on your salary – an exceptional incentive for top talent relocating to Luxembourg, subject to eligibility conditions.
• Hybrid working environment.
• A dynamic, high-growth environment with career development opportunities.
• Regular company events and team activities.