Sr Power Electronics Engineer – II

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 Orbitt’s 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. - Experience with LabVIEW or automated test systems for data logging and validation. 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. - 🧠 R&D-focused role with direct technical ownership and innovation opportunities. - 🚀 Exposure to the space technology ecosystem — direct contribution to flight hardware development. - 💰 Competitive salary and performance-based incentives. - 📈 Fast career growth in a rapidly scaling deep-tech startup environment. - 🧩 Access to advanced lab infrastructure and cutting-edge test equipment. - 🌍 Collaborative and innovation-driven culture that values creativity and experimentation. - 📚 Opportunities for publication, patents, and conference participation in collaboration with top research institutions.