Sr Power Electronics Engineer – II (R&D)

About Orbitt Space

Orbitt Space is developing next-generation electric propulsion systems and advanced power electronics for ultra-low Earth orbit (ULEO) satellites. Our work focuses on plasma thrusters , High Voltage Power Systems, and GaN-based high-frequency power converters pioneering technology for sustainable access to space.

Role Overview

We are seeking a Power Electronics Engineer II (R&D) with hands-on experience in wide bandgap (GaN) device-based dc-dc converter design and MHz-range RF power electronics .

You will design, develop, and test high-frequency RF generators and advanced converter topologies including Class E, Class EF, half-bridge, and full-bridge systems for plasma propulsion and wireless power transfer applications.

This is a core R&D role where your innovations will directly influence the next generation of Orbitts propulsion and energy systems.

Key Responsibilities

• Design and develop RF power generators operating in the MHz frequency range for plasma thrusters.
• Develop and optimize GaN-based high-frequency converter topologies (Class E, EF, half-bridge, full-bridge, Matching network design).
• Design custom gate driver circuits and switching mechanisms for wide bandgap devices.
• Work on resonant and soft-switching converter architectures using MATLAB/Simulink, LTspice, Orcad or PLECS .
• Design and validate inductive power transfer systems at MHz frequency range.
• Interface with DSP controllers (TI C2000x) for converter control and modulation.
• Perform bench-level testing , debugging , and characterization using oscilloscopes, spectrum analyzers, and network analyzers.
• Design analog and mixed-signal circuits using Op-Amps, ADCs, PWM controllers, and gate drivers .
• Document test results, design methodologies, and contribute to technical reports for grants and investors.

Minimum Qualifications

• M.E./M.Tech or PhD in Power Electronics , Electrical, Electronics, or related field.
• Minimum 4 years of hands-on experience in power converter design and testing .
• Must have: Practical experience with wide bandgap semiconductor (GaN) devices and their gate driving circuits .
• Experience in MHz-range RF power electronics and resonant topologies (Class E, EF, half-bridge, full-bridge).
• Strong understanding of PWM and resonant converter control using DSPs (e.g., TI C2000x) .
• Proficiency with PCB design for high-frequency circuits , hardware testing , and signal integrity management .

Preferred Experience

• RF power systems for plasma generation , induction heating , or industrial RF applications .
• Familiarity with wireless power transfer technologies and resonant link optimization.
• Knowledge of thermal management , EMI/EMC , and space-grade reliability standards .
• High frequency PCB design

Tools & Platforms

• MATLAB / Simulink
• LTspice / PLECS/ Orcad
• Altium Designer
• Code Composer Studio (TI C2000x)
• Oscilloscopes, Spectrum Analyzers, Network Analyzers

Soft Skills

• Strong analytical and problem-solving approach
• Clear communication and documentation skills
• Research-oriented and hands-on mindset
• Team player with ability to work independently in a high-performance R&D setup

Benefits

• Work on frontier technologies Plasma thrusters, Advanced Power systems, and next-gen propulsion systems.