Senior RF Electrical Engineer

JOB DESCRIPTION Senior RF Electrical Engineer Want to discover just how far your intellectual curiosity can take you? You’re in the right place.

For more than four decades, Axcelis Technologies has been at the forefront of innovation in semiconductor manufacturing technology. Chipmakers around the globe rely on our tools and process expertise to deliver the semiconductors that power modern life—from smartphones and computers to cameras and cars.

We have become a technology leader by providing the innovation necessary for business to thrive, quality of life to advance, and the environment to flourish—enabling a truly sustainable future.

With more than 30 offices worldwide, a global installed base, and customers that include the world’s largest semiconductor manufacturers, our team continues to grow. We are currently hiring a Senior RF Electrical Engineer to work out of our corporate office in Beverly, MA.Responsibilities Lead the design, development, and validation of RF systems and subsystems used in semiconductor capital equipment

Perform RF chain analysis including gain, noise figure, linearity, and stability across system architecture

Design and optimize matching networks for power transfer, efficiency, and signal integrity

Develop RF PCB layouts, including controlled impedance routing, grounding strategies, and signal isolation

Conduct network measurements and analysis using lab equipment such as vector network analyzers and spectrum analyzers

Design and characterize RF resonators, filters, and passive components

Develop low-noise oscillators and RF signal generation circuits

Perform system-level integration of RF subsystems with power, control systems, and electromechanical assemblies

Run simulations using 3D electromagnetic and RF simulation tools to validate designs and reduce risk Conduct experimental testing, analyze performance data, and drive iterative design improvements

Ensure adherence to product development processes including:
Requirements definition

System architecture

Design reviews

Verification and validation testing

Ensure designs meet applicable safety, regulatory, and industry standards

Select RF components and materials based on frequency performance, thermal behavior, and reliability

Collaborate with cross-functional teams and external partners to deliver manufacturable, high-performance designs

Support supplier selection and evaluate vendor capabilities for RF components and assemblies

Provide technical leadership in RF design best practices, signal integrity, and system optimization

Basic Qualifications Bachelor’s degree in Electrical Engineering or related field (Master’s preferred)
Minimum 5–10 years of experience in RF and high-frequency hardware design

Strong experience with: RF system design and analysis

Matching network design and tuningRF PCB layout and stack-up definitionRF measurement techniques and lab instrumentation

Hands-on experience with RF test equipment (e.g., VNA, spectrum analyzer, signal generators)
Solid understanding of signal integrity, electromagnetic behavior, and noise mitigation

Experience participating in technical design reviews and structured development processes

Excellent written and verbal communication skills

Preferred Qualifications Experience in:
Semiconductor capital equipmentRF power delivery systems or plasma systems

Oscillator and frequency synthesis design

Resonator or filter design

Experience with RF simulation tools (e.g., HFSS, CST, ADS, or similar 3D EM tools)
PCB design experience using tools such as Altium or PADSFamiliarity with Creo Schematic, AutoCAD, or similar tools

Experience with Windchill or other PLM systems

Experience working with global or offshore engineering teams EQUAL OPPORTUNITY STATEMENT It is the policy of Axcelis to provide…