Radio & RF System Engineer

TXT E-SWISS; Zürich; On-site; CHF 120,000 - 170,000; Full time

Benefits offered by this job

Competitive salary

Inclusive work environment

Global presence

Teamwork culture

Career development

Job summary

TXT E-SWISS is seeking a skilled Radio / RF System Engineer to contribute to design, development, integration, verification & validation of complex communication solutions. The role spans from requirements analysis to qualification in Defence, Aerospace and Telecommunications contexts.

You will work in multidisciplinary teams, handling HF and 4G/5G radio technologies, antennas, RF front-end components and system interfaces, ensuring traceability and robust performance across life cycle stages.

Qualifications

• Experience in system engineering lifecycle from requirements to IVVQ.
• Background in radio comms and RF engineering fundamentals.
• Knowledge of HF radio and 4G/5G wireless technologies.
• Understanding of RF interfaces, antennas and RF components.
• Familiarity with system integration, testing and validation.

Responsibilities

• Analyze operational needs and translate into system specs.
• Define architectures, functional breakdowns and interfaces.
• Develop and manage system requirements with traceability.
• Perform trade-off studies and support design decisions.
• Define performance parameters and assess compliance.
• Support design of radio systems and RF subsystems.
• Work with HF and other wireless technologies.
• Analyze propagation, link budgets and RF performance.
• Assist integration of transmitters, receivers, antennas and RF front-end.
• Contribute to availability, reliability and performance assessments.

Skills

System Engineering principles

Requirements analysis

System architecture

RF engineering fundamentals

HF radio technologies

4G/5G wireless

RF interfaces

Antennas & RF components

System integration & testing

German language

Tools

MATLAB/Simulink

DOORS

Cameo

Job description

We are looking for a skilled Radio / RF System Engineer to contribute to the Design, Development, Integration, Verification & Validation and qualification of complex communication systems and solutions. 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 Responsibilities

• 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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