Radio & RF System Engineer

The ideal candidate will have a solid background in System Engineering, with knowledge and a background in radio communication technologies, RF systems and wireless networks, including HF, Wi-Fi and 5G Radio technologies.

The role covers the entire system engineering lifecycle, from requirements analysis and system architecture definition to system integration, verification, validation and qualification (IVVQ).

The candidate will work in multidisciplinary engineering teams, contributing to the development and qualification of advanced communication solutions for complex operational environments, particularly in Defence, Aerospace and Telecommunications.

Main responsabilities

Analyse operational needs and customer requirements, translating them into system and subsystem technical specifications.

Define system architectures, functional breakdowns and technical interfaces.

Develop and manage system requirements, ensuring traceability throughout the development lifecycle.

Perform technical trade-off studies and support architectural design decisions.

Define system performance parameters and assess compliance with customer requirements.

Support the design and development of radio communication systems and RF subsystems.

Work with different radio technologies and frequency bands, including HF and other wireless communication solutions.

Analyse radio propagation, link budgets, coverage, antenna characteristics and RF performance.

Support the integration of transmitters, receivers, antennas, amplifiers and RF front-end components.

Contribute to the assessment of communication availability, reliability and performance under different operational conditions.

Indispensable technical skills

Solid knowledge of System Engineering principles and methodologies.

Experience in requirements analysis, system architecture and interface management.

Knowledge and background of radio communication systems and RF engineering fundamentals.

Understanding of HF radio technologies and propagation mechanisms.

Familiarity with wireless communication technologies, including 4G/5G.

Knowledge of communication protocols, network architectures and RF interfaces.

Understanding of antennas, transmitters, receivers and RF components.

Familiarity with system integration, testing, verification and validation processes.

Knowledge of system modelling, simulation and engineering tools (e.g. MATLAB, Simulink, DOORS, Cameo or equivalent).

German knowledge is a strong plus

Behavioural skills

Strong system-level thinking and analytical problem-solving capabilities.

Ability to understand complex technical architectures and interactions between subsystems.

Good coordination and communication skills in multidisciplinary environments.

Ability to manage technical interfaces and interact with customers and suppliers.

Structured approach to engineering activities and technical documentation.

Proactive attitude, flexibility and ability to work independently or within a team

Why Join TXT Group?

Competitive Compensation: We recognise the value of your skills and offer a salary package aligned with your experience and professional expertise.

Inclusive Work Environment: You will join a diverse and collaborative team that values inclusion, teamwork, and excellence.

Global Presence: Our offices in cities such as Milan, Berlin, Lugano, Seattle, Dallas, and Paris offer a truly international working environment.

Teamwork-Oriented Culture: We foster a workplace where collaboration, mutual support, and professional excellence are fundamental values.

Stability and Career Growth: Permanent employment contract and numerous opportunities for professional development.

This position is open to all applicants in accordance with the principles of equality and inclusion, regardless of gender. The job offer complies with the principles of equal opportunities and equal treatment in the workplace, in line with the Swiss Federal Act on Gender Equality (Gender Equality Act - GEA, SR 151.1).

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