Senior/Principal MMIC Design Engineer

MACOM; Paris; Hybrid; EUR 90,000 - 130,000; Full time

Job summary

MACOM is seeking an experienced Senior or Principal MMIC Design Engineer to join our RF and microwave design team on-site. Lead development of MMICs for wireless infrastructure, aerospace/defense, satellite, radar and high-performance test systems from concept to production.

The role requires strong technical leadership, collaboration across packaging, systems, product, test, applications, and operations, and the ability to interface with customers to understand requirements.

Qualifications

• M.S. or Ph.D. in Electrical Engineering, Microwave Engineering, RF Engineering, or related discipline.
• Minimum 8+ years of industry experience in MMIC design.
• Strong expertise in GaN and GaAs HEMT technologies. CMOS SOI is a plus.
• Experience designing RF and microwave circuits operating from MHz through millimeter-wave frequencies.
• Extensive experience with Keysight ADS, RFpro, Cadence Virtuoso, HFSS, Momentum, or equivalent EM simulation tools.

Responsibilities

• Design and develop GaN/GaAs MMICs including PA, LNA, switches, attenuators, phase shifters, and mixers.
• Lead MMIC product development from architecture through production release.
• Perform RF, microwave, and EM simulations using industry-standard tools.
• Develop circuit topologies to meet aggressive performance targets (output power, efficiency, bandwidth, linearity).
• Execute schematic capture, layout design, EM verification, and design reviews.
• Define characterization plans, wafer probing, and packaged device evaluation.

Job description

MACOM (NASDAQ: MTSI) is a global leader in the design and manufacture of advanced semiconductor products across a diverse range of end markets, including Data Centers, Telecommunications, Industrial and Aerospace and Defense. We develop innovative, cutting-edge technologies and products across the spectrum of radio frequency (RF), microwave, millimeter wave, photonics and high-speed analog technologies. Our solutions support critical network infrastructure applications like artificial intelligence, high performance computing, satellite communications, radar, unmanned aerial vehicles, medical equipment, test and measurement and advanced wireless networks.

MACOM has more than 75 years of expertise in semiconductor process development, wafer fabrication, circuit design, advanced packaging, systems architecture and applications engineering. We are committed to our customers' success. We partner with customers to help solve their most challenging problems by providing semiconductor solutions that are at the forefront of the highest power, highest frequency and/or highest data rates.

Leading technologies, innovative products and driven employees. Come be a part of MACOM and help advance the next generation of connectivity infrastructure!

Job Description:

We are seeking an experienced Senior or Principal MMIC Design Engineer to join our RF and microwave design team. The successful candidate will play a leading role in the development of next-generation MMIC products for demanding applications in wireless infrastructure, aerospace & defense, satellite communications, radar, and high-performance test systems. This position offers the opportunity to drive product development from concept through production, working with world-class process technologies (in-house and abroad) and multidisciplinary teams to deliver innovative RF solutions with industry-leading performance. The ideal candidate combines deep technical expertise in MMIC design with strong problem-solving skills, a passion for innovation, and the ability to lead complex development programs. Location: On-site.

Responsibilities:

• Design and develop state-of-the-art GaN and GaAs MMICs, including PA, LNA, Switches, Attenuators, Phase Shifters, Mixers
• Lead MMIC product development from architecture definition through production release.
• Perform RF, microwave, and electromagnetic simulations using industry-standard EDA tools.
• Develop innovative circuit topologies to achieve aggressive performance targets for output power, efficiency, bandwidth, linearity, NF, reliability.
• Execute schematic capture, layout design, EM verification, and design reviews.
• Define and oversee characterization plans, wafer probing, and packaged device evaluation.
• Correlate measured and simulated results and drive design optimization.
• Support product qualification, yield enhancement, and manufacturing transfer activities.
• Mentor junior engineers and provide technical leadership across multiple programs.
• Collaborate closely with packaging, systems, product, test, applications, and operations teams.
• Interface directly with customers to understand requirements and support technical discussions when required.

Qualifications:

• M.S. or Ph.D. in Electrical Engineering, Microwave Engineering, RF Engineering, or related discipline.
• Minimum 8+ years of industry experience in MMIC design
• Strong expertise in GaN and GaAs HEMT technologies. Experience in CMOS SOI is a plus.
• Demonstrated experience designing RF and microwave circuits operating from MHz through millimeter-wave frequencies.
• Extensive experience with Keysight ADS, RFpro, Cadence Virtuoso, HFSS, Momentum, or equivalent EM simulation tools.
• Thorough understanding of large-signal design techniques, stability analysis, noise optimization, linearization techniques, thermal management.
• Strong understanding of semiconductor device physics and reliability mechanisms.
• Experience designing products above 20 GHz, including Ka-band and beyond.
• Expertise in high-power GaN amplifier design for radar, SATCOM, or defense applications.
• Familiarity with advanced packaging technologies and RF module integration.
• Track record of successfully bringing MMIC products into volume production.
• Strong technical leadership with the ability to influence across functions.
• Excellent analytical and problem-solving skills.
• Highly collaborative and team-oriented.
• Effective communicator (French and English) with strong presentation skills.
• Self-motivated and capable of driving projects independently.
• Passion for innovation and continuous improvement.