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TRUMPF

Corporate venture capital for deep-tech

Development Engineer - RF Power Amplifier Design

RF & Microwave EngineeringConfirmed live in the last 24 hours
Full-timeFreiburg im Breisgau, GermanyNo salary listedIn-person

About the Job

Requirements

  • A completed degree in Electrical Engineering, Communications Engineering, Physics, or a comparable field, at Master's or doctoral level, is required.
  • Relevant experience developing RF power amplifiers or high-power RF circuits is required.
  • Strong knowledge of RF circuit design, electromagnetic field theory, matching-network design, and power-combining structures is required.
  • Expertise using Keysight ADS is required; experience with Ansys HFSS is advantageous.
  • Experience with modern RF measurement equipment and programming with Python is required.
  • Very good English skills are required.
  • A structured and analytical working approach and ability to collaborate with international, interdisciplinary teams are required.

Responsibilities

  • Develop and optimize high-power RF amplifiers for HF and VHF generators in the 1 kW to 100 kW power range, designing power-amplifier architectures based on semiconductor technologies such as LDMOS and GaN.
  • Design output matching networks and matching structures to maximize efficiency and robustness, and optimize results for complex power-combining structures using electromagnetic understanding.
  • Analyze and optimize RF circuits and electromagnetic structures with simulation tools such as Keysight ADS and Ansys HFSS, including load-pull, harmonic-balance, and electromagnetic simulations.
  • Build, commission, and characterize RF power amplifiers from prototype through series production using network analyzers, spectrum analyzers, and other measurement systems.
  • Develop automated measurement and test environments using Python.
  • Collaborate with PCB design, mechanical, software development, and manufacturing teams to industrialize new products.
  • Coordinate with international customers and develop RF solutions together.

Desired Qualifications

  • Knowledge of multi-kilowatt RF systems.
  • Experience with thermal design of high-power amplifiers.
  • Experience with plasma, semiconductor, or industrial RF applications.
  • Understanding of LDMOS and GaN power transistors.
  • Experience with Ansys HFSS.

About the Company

TRUMPF

Corporate venture capital for deep-tech

TRUMPF Venture is the corporate venture capital unit of the TRUMPF Group. It invests globally in early-stage deep-tech startups that complement or are adjacent to TRUMPF’s core business. The selection criteria include strategic fit, high innovation leverage, differentiating technology or business model, an experienced management team, and a path to risk-appropriate financial returns. Its approach combines funding with strategic collaboration, giving portfolio companies access to TRUMPF’s resources, customers, and manufacturing capabilities to accelerate scale. The company differentiates itself by focusing on strategic alignment with TRUMPF, global reach, and a disciplined, value-adding partnership model rather than mere financial investment. The goal is to back startups that can strengthen TRUMPF’s technology landscape and create financially attractive outcomes for both sides.

Company size
5,001-10,000
Company stage
Not listed
Total funding
$498.6M
Headquarters
Ditzingen, Germany
Founded
2016

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