Power Electronics Engineer

Raudranex Space Technologies; NTR; On-site; INR 700,000 - 900,000; Full time

Job summary

Raudranex Space Technologies seeks an engineer for high-efficiency DC-DC converter design and high-voltage power supplies for electric propulsion thrusters. The role demands expertise in power semiconductor selection and the design of protective systems.

Required qualifications include a degree in Electrical, Electronics, or Aerospace Engineering with strong power electronics knowledge. Advantageous skills include experience in hardware integration and testing.

Responsibilities

• Design and develop high-efficiency DC-DC converter topologies.
• Regulate high-voltage outputs for thruster operation.
• Implement CV/CC control modes for dynamic operation.
• Select power semiconductor devices based on reliability.
• Optimize for high efficiency and power density.
• Design protection circuits such as OVP and short-circuit protection.
• Develop transient suppression circuits.
• Implement high-voltage insulation strategies.
• Conduct hardware assembly and validation of power stage.
• Handle nonlinear load behavior of EP thrusters.

Skills

High-efficiency DC‑DC converter design

High-voltage power supplies

Power Processing Unit (PPU/PPCU)

Plasma ignition circuits

CV/CC control implementation

Power semiconductor devices

High-frequency magnetics design

Protection systems design

Thermal management

Hardware integration and testing

Education

Electrical & Electronics Engineering (EEE)

Electrical Engineering (EE)

Electronics & Communication Engineering (ECE)

Aerospace Engineering

Job description

Key Responsibilities

• Design and development of high-efficiency DC-DC converter topologies (W to kW range)
• Generation and regulation of high-voltage outputs (V to kV range) for thruster operation
• Implementation of CV/CC control modes for stable and dynamic operation
• Selection of power semiconductor devices based on performance and reliability
• Optimization for high efficiency (>95%) and power density
• Design of protection circuits (OVP, OCP, OTP, short‑circuit protection)
• Development of snubber and transient suppression circuits
• Implementation of high‑voltage insulation and isolation strategies
• Hardware implementation: assembly, soldering, integration, and validation of power stage
• Handling nonlinear and dynamic load behavior of EP thrusters

Skills Required

• Strong knowledge of high‑efficiency DC‑DC converter design and analysis for power levels ranging from watts to kilowatts
• Experience in designing and regulating high‑voltage power supplies for electric propulsion thruster applications
• Understanding of Power Processing Unit (PPU/PPCU) architectures and spacecraft power distribution systems
• Ability to develop plasma ignition and steady‑state plasma sustain circuits for electric propulsion systems
• Proficiency in CV/CC control implementation, feedback compensation, and power converter control techniques
• Experience in selecting and driving power semiconductor devices including MOSFETs, SiC MOSFETs, GaN devices, and IGBTs
• Knowledge of high‑frequency magnetics design including transformers, inductors, and EMI filters
• Ability to design protection systems such as OVP, OCP, SCP, OTP, arc detection, and fault management circuits
• Understanding of thermal management, efficiency optimization, power loss analysis, and reliability engineering
• Hands‑on experience in hardware integration, testing, debugging, and validation of high‑voltage power electronic systems

Qualification

• Electrical & Electronics Engineering (EEE)
• Electrical Engineering (EE)
• Electronics & Communication Engineering (ECE)
• Aerospace Engineering (with strong power electronics background)