RF Desing Engineer

Indra Group; Comunidad de Madrid; Presencial; EUR 55.000 - 75.000; Jornada completa

Descripción de la vacante

Indra Space is seeking a skilled RF Design Engineer to join our team and contribute to advanced RF architectures for transmission and reception across multiple bands. You will develop mixed analog/digital designs, compact RF circuits and SoC RF solutions, and perform thorough RF component simulations using ADS or similar tools.

You will also design and analyze RF Power Amplifiers (GaN/GaAs/LDMOS) with emphasis on high efficiency, while conducting analog simulations in LTSPICE and operating RF

Formación

• Experience in mixed-signal analog/digital design for RF systems.
• Knowledge of RF Power Amplifiers (GaN, GaAs, LDMOS) and high-efficiency architectures.
• Experience with compact RF circuits / SoC RF solutions and RF circuit design and simulation (ADS or similar).
• Proficiency with analog simulation tools (LTSPICE or equivalent).
• Hands-on experience with RF lab instrumentation (spectrum analyzers, network analyzers, signal generators).
• Experience in oscillators and PLL systems, modulators/demodulators, and frequency converters.

Responsabilidades

• Design detailed RF architectures for transmission and reception across multiple bands.
• Develop mixed analog/digital designs and compact RF circuits, including System-on-Chip solutions.
• Design and analyze RF Power Amplifiers (GaN, GaAs, LDMOS) and perform RF component simulations (linear and nonlinear) using ADS or similar tools.
• Conduct analog simulations using LTSPICE or equivalent.
• Operate RF lab equipment: spectrum analyzers, network analyzers, and signal generators.
• Contribute to documentation, design justification, and system-level integration activities.

Conocimientos

Mixed-signal analog/digital design

RF Power Amplifiers

Compact RF circuits / SoC RF solutions

RF circuit design and simulation

Analog simulation

RF lab instrumentation

Oscillators and PLL systems

Modulators, demodulators, frequency_

Herramientas

ADS

LTSPICE

Descripción del empleo

Indra Space – Leading the Next Generation of Space Systems

At Indra Space, we are on a mission to redefine the European space industry by delivering high-performance small satellite solutions for LEO missions. Our ambition? To become a leading company in end-to-end satellite systems, driving innovation in:

Position, Navigation & Timing (PNT)

Secure Communications

Earth Observation & ISR

Space Domain Awareness (SDA) and Space Traffic Management (STM)

Science & space exploration

As the Space Business Unit of Indra Group, we combine cutting‑edge technology with a full value chain approach—from satellite design and integration to ground segment and operations. With the integration of Deimos and strategic participation in Hispasat and Hisdesat, we are scaling Europe’s space autonomy and contributing to flagship programs like IRIS², Galileo, EGNOS, and Copernicus.

What We’re Looking For

We are looking for a skilled RF Design Engineer with strong experience in RF transmission and reception architectures across different frequency bands. The ideal candidate is proficient in mixed‑signal design, compact RF integrated circuits, RF power amplifiers, and simulation of linear and nonlinear RF components.

Key Responsibilities

• Design detailed RF architectures for transmission and reception in multiple bands.
• Develop mixed analog/digital designs and compact RF circuits, including System‑on‑Chip solutions.
• Design and analyze RF Power Amplifiers (GaN, GaAs, LDMOS, high‑efficiency architectures). Perform RF component simulations (linear & nonlinear) with ADS or similar tools.
• Conduct analog simulations using LTSPICE or equivalent.
• Operate RF lab equipment: spectrum analyzers, network analyzers, and scalar/vector signal generators.
• Contribute to documentation, design justification, and system‑level integration activities.

Requirements

• Mixed‑signal analog/digital design.
• RF Power Amplifiers (GaN, GaAs, LDMOS, high efficiency).
• Compact RF circuits / SoC RF solutions.
• RF circuit design and simulation (ADS or similar).
• Analog simulation tools (LTSPICE or similar).
• Hands‑on experience with RF lab instrumentation (spectrum/network analyzers, signal generators).
• Experience in oscillators and PLL systems.
• Experience in modulators, demodulators, and frequency converters.

Optional / Nice‑to‑Have

• Experience in satellite communication processing and architectures.
• Design skills for satellite‑embedded systems.
• Knowledge of ECSS space standards or similar.
• Familiarity with space‑grade components.
• Experience with VCOs, PLLs, and RF synthesizers.
• Knowledge of antenna design.
• Electromagnetic simulation tools (CST, HFSS).

What We Offer

Work Your Way: Flexible hours so you can balance life and work effortlessly.

Open Culture: Direct communication and a friendly environment where your voice matters.

Innovation at Its Core: Be part of groundbreaking projects with global impact.

People First: A collaborative team that supports and celebrates your success.

Career Acceleration: Continuous feedback and annual reviews to help you grow.

Stability You Can Trust: Long‑term projects in a leading company with a future vision.

Global Reach: Your work will influence major international initiatives.

Mobility Opportunities: Explore projects across Spain and beyond.

Lifelong Learning: Access Open University programs and 3,000+ Udemy for Business courses.

Our commitment is to promote work environments where people are treated with respect and dignity, fostering the professional development of our workforce and guaranteeing equal opportunities in recruitment, training and promotion. We provide a workplace free from any form of discrimination based on gender, age, disability, sexual orientation, gender identity or expression, religion, ethnicity, marital status, or any other personal or social circumstance.

INDRA is a Top Employer 2026! Join a company certified as one of the best employers in Spain, thanks to our comprehensive HR management and the working conditions we offer our professionals.