Senior RF Development Engineer (m/f/d)

Liebwein Personalmanagement und -service GmbH; Berlin; On-site; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Health programs

Fitness support

Public transport subsidy

Bike leasing

Performance bonuses

Retirement planning support

Job summary

Liebwein Personalmanagement und -service GmbH is seeking a Senior RF Development Engineer (m/f/d) for its client in Berlin. You will lead development of RF solutions for optoelectronic modules and high-speed communication products, and you will design high-frequency structures for microwave and millimeter-wave applications.

You will collaborate with interdisciplinary teams and suppliers, define RF specs, and push forward packaging and interconnect concepts.

Qualifications

• Master’s degree or PhD in Electrical Engineering, RF/Microwave Engineering, Physics, or a comparable discipline.
• At least five years of professional experience in RF development, preferably in microwave/mm-wave applications.
• Strong knowledge of RF transmission line design, impedance matching, signal integrity and EM simulation.

Responsibilities

• Develop and optimize RF solutions for advanced optoelectronic modules and high-speed communication products.
• Design and simulate high-frequency transmission structures for microwave, millimeter-wave, and next-generation applications.
• Develop RF interconnect and packaging concepts for optical and photonic products.
• Evaluate RF interfaces including wire bonds, bump bonds, package transitions, substrates, PCBs and connectors.
• Define RF specifications and interface requirements with interdisciplinary teams, suppliers and customers.
• Support DFM activities and assess manufacturing tolerance impacts on RF performance.
• Present simulation results and design recommendations to engineering teams and management.

Skills

RF design

Microwave/millimeter-wave

Impedance matching

Signal integrity

Electromagnetic simulation

High-frequency packaging

Education

Master’s or PhD in Electrical Engineering or related field

Tools

AWR Microwave Office

CST Studio Suite

Job description

Our client is an internationally operating technology company specializing in innovative solutions in the field of high-speed optical and measurement technologies. In a modern development environment, forward-looking products are created for demanding applications in communications, industry, and research. To support sustainable growth at the Berlin location, we are looking for a Senior RF Development Engineer (m/f/d).

Responsibilities

• Develop and optimize RF solutions for advanced optoelectronic modules and high-speed communication products
• Design and simulate high-frequency transmission structures for microwave, millimeter-wave, and next-generation communication applications
• Develop innovative RF interconnect and packaging concepts for optical and photonic products
• Evaluate and optimize critical RF interfaces, including wire bonds, bump bonds, package transitions, substrates, PCBs, and connectors
• Define RF specifications and interface requirements in close collaboration with interdisciplinary engineering teams, suppliers, and customers
• Support Design for Manufacturing (DFM) activities and assess the impact of manufacturing tolerances and assembly processes on RF performance
• Present simulation results, technical concepts, and design recommendations to engineering teams and management

Qualifications & Skills

• Master’s degree or PhD in Electrical Engineering, RF/Microwave Engineering, Physics, or a comparable technical discipline
• At least five years of professional experience in RF development, ideally within microwave or millimeter-wave applications
• Strong expertise in RF transmission line design, impedance matching, signal integrity, and electromagnetic simulation
• Experience with high-frequency packaging technologies and interfaces such as wire bonding, bump bonding, and package transitions
• Knowledge of optoelectronic products, optical transceiver architectures, substrate technologies, or PCB design
• Experience with RF and electromagnetic simulation tools such as AWR Microwave Office, CST Studio Suite, or comparable software
• Strong analytical and problem-solving skills combined with excellent English communication skills; German language skills are an advantage

Your Chance

• Challenging role within an international high-tech environment focused on innovative technologies
• Flexible working time models and modern working conditions
• 30 vacation days plus the possibility of additional compensatory time off
• Attractive additional benefits such as health programs and fitness support
• Financial support for public transportation or parking facilities
• Individual mobility offers, such as bike leasing programs
• Performance-related bonuses and support for retirement planning