Electrical and Electronics Engineer

6 days ago

Delhi, Delhi, India Quanastra Full time ₹ 9,00,000 - ₹ 12,00,000 per year

Why Join Quanastra:

  • Work-Life Balance Follow a disciplined 8-hour work schedule that supports both productivity and personal well-being.
  • Collaborative Culture – Be part of a friendly, supportive, and innovation-driven work environment.
  • Performance Rewards – Receive yearly bonuses as recognition for your contributions and achievements.
  • Wealth Creation – Benefit from our Employee Stock Ownership Plan (ESOPs), designed to ensure that long-term contributors share in the company's growth and success.

Key Responsibilities

1. Circuit & System Design

  • Design and develop low-noise, high-stability circuits for detector biasing, amplification, and readout.
  • Develop PCB layouts for high-speed and cryogenic-compatible electronics using CAD tools (Altium, KiCad, Cadence, etc.).
  • Ensure proper impedance matching, grounding, and shielding in RF and DC systems.

2. RF & High-Frequency Electronics

  • Develop and characterize coaxial and waveguide-based readout systems for quantum devices.
  • Test microwave and RF components (LNAs, bias-tees, filters, attenuators) with VNAs and spectrum analyzers.
  • Support integration of SNSPDs and quantum photonic chips with RF/microwave systems.

4. Embedded Systems & Control

  • Program microcontrollers (STM32, Arduino, ARM) and FPGAs for system automation and control.
  • Interface electronics with data acquisition systems and laboratory instruments.
  • Implement feedback and control loops for stable operation of detectors and cryogenic systems.

5. Testing & Instrumentation

  • Operate oscilloscopes, lock-in amplifiers, low-noise source meters, and other lab equipment.
  • Develop test protocols for electrical characterization of SNSPDs, cryogenic modules, and photonic devices.
  • Document test results and contribute to performance benchmarking.

6. Power & Safety Management

  • Design and maintain stable low-current and low-voltage sources for sensitive devices.
  • Ensure electrical safety and compliance in lab setups, especially with high-current or high-voltage subsystems.
  • Establish and enforce ESD safety measures for sensitive devices.

7. Documentation & Compliance

  • Prepare wiring diagrams, circuit documentation, and user manuals for in-house systems.
  • Maintain records of PCB designs, bill of materials (BOM), and test reports.
  • Support regulatory compliance for electronic assemblies (EMI/EMC, safety standards).

Desired Skills & Competencies

  • Strong knowledge of analog/digital electronics, signal processing, and RF systems.
  • Experience with cryogenic wiring and low-noise circuit design.
  • Familiarity with semiconductor devices and superconducting thin films (preferred).
  • Proficiency in PCB design software and programming (C/C++/Python/FPGA).
  • Hands-on experience with measurement instruments (oscilloscopes, VNAs, LNAs, lock-in amplifiers).
  • Good communication, documentation, and collaboration skills.
  • Problem-solving mindset with the ability to work in an R&D-driven environment.

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