Senior RF Engineer

Applied Angstrom Technology Pte. Ltd. (“AAT”) is a start-up semiconductor equipment company with our headquarters in Singapore. AAT has the mission to be the world-class process technology provider in the Angstrom era for 3D device manufacturing and to build an ecosystem in equipment design, manufacturing, and component/material supply chain in the US and Singapore.    As a Senior RF Engineer at AAT, you will operate at the critical intersection of high-frequency power electronics and advanced plasma physics. You will serve as the technical authority for AAT’s RF delivery architecture, driving clean-sheet design, dynamic impedance matching, and plasma source characterization to enable sub-angstrom profile precision in next-generation Atomic Layer Etching (ALE) chambers.  The ideal candidate shall be able to perform the following:   Support RF & Plasma tool development/qualification and implementation in Plasma Etch chambers for R&D and Production applications  

Conduct experiments and characterizations of RF & Plasma systems and components at bench and tool levels using various instruments including Network Analyzers, Spectrum Analyzer, Plasma Probes, analog and digital data acquisition controllers.  

Develop new methods to distribute RF through antennas and networks to ignite stable plasmas using different frequency and Generators.  

Develop new RF & Plasma arc detection and diagnostic methods to be used in R&D and Production applications.  

Work with Process Engineers and Field/Customer support teams to provide RF & Plasma support to quickly troubleshoot and resolve field/customer issues. 

Job Qualifications:   Masters or PhD in science or engineering areas with emphasis on high frequency electronics or plasma physics  

Experience with a wide range of plasmas (DC~MW, various pressure and gas conditions)  

Knowledge of unique challenges in large area plasma production and the techniques used in the industry.  

Knowledge in plasma diagnostics (Langmuir probes, optical diagnostic, microwave diagnostic etc.)  

Knowledge in Etch or CVD technology, applications, and film metrology  

Experience in mechanical design (manufacturability, mechatronics, material properties, vacuum systems, gas flow etc.)   

Experience with system design and module integration on system level (PLCs, IoT, Edge, safety)   

Solid background in RF power delivery, impedance matching, RF sensors, transmission line theory, electronic circuits, amplifiers, sensors etc.