Job Title: Thermophotonic (TP) Device Engineer

Location: Bangalore, India

Job Type: Full-Time | On-site

Experience: 3–10 years

Role Overview

We are looking for a highly skilled Thermophotonic (TP) Device Engineer to work on design, fabrication, and optimization of high-efficiency PV and thermophotonic energy conversion devices. This role involves full-stack semiconductor device development, including epitaxial growth, wafer processing, characterization, packaging, and thermal-photonic performance modeling . Experience with III–V semiconductor materials and device physics is strongly preferred.

Key Responsibilities

Device Engineering & Fabrication

- Design and develop high-efficiency photovoltaic and thermophotonic devices , including multijunction III-V structures, GaSb/InGaAs cells, spectral-selective energy converters, and photonic energy amplifiers.
- Perform epitaxial growth using MOCVD / MBE , including reactor operation, precursor selection, growth recipe optimization, and in-situ monitoring systems (RHEED, pyrometry, interferometry).
- Lead semiconductor wafer-level processing:
- Photolithography
- Wet & dry etching (RIE, ICP)
- Metallization and ohmic contact engineering
- Surface passivation and anti-reflection coatings
- Thin-film and dielectric deposition (ALD, PECVD, sputtering, evaporation)
- Develop optical and photonic structures including selective emitters, photonic crystals, interference filters and dielectric mirrors for spectral control.
- Oversee device packaging, thermal interface engineering, and interconnect architecture for high-temperature operation.

Characterization, Testing & Simulation

- Conduct optical, electrical and material characterization:
- IV, CV, EQE/IQE, electroluminescence, photoluminescence
- Hall mobility, carrier lifetime, AFM, SEM, TEM, XRD
- Thermal cycling and failure/degradation analysis
- Utilize advanced simulation tools:
- TCAD Sentaurus,



Silvaco, Lumerical, COMSOL, LightTools
- MATLAB/Python for analytical modeling
- Analyze thermal-radiative coupling, photon recycling, near-field/ far-field optical modeling.

System Integration

- Collaborate with system engineering teams to integrate devices with thermal emitters, optical coupling assemblies, power electronics, and energy storage interfaces .
- Support cooling, heat extraction & thermal management for high-temperature applications.
- Evaluate scaling readiness, fabrication partnerships and production.

Required Skills & Qualifications

- Bachelor’s/Master’s/PhD in Semiconductor Physics, Materials Science, Electrical Engineering, Nanotechnology, Photonics, or related field .
- 3–10 years of experience in semiconductor device fabrication & measurement .
- Strong hands-on experience with MOCVD, MBE, thin-film deposition, lithography, and clean-room processes .
- Expertise working with II-VI or III-V compounds (GaSb, InGaAs, GaAs, InP, AlGaAs, Ge, GaN, SiC preferable).
- Solid understanding of photonic structures, optical coatings, and energy conversion physics.
- Proficiency in scientific data analysis and semiconductor simulation.

Preferred Experience

- Experience with thermophotonic / radiative recombination-based energy amplification devices .
- Experience in spectral matching, optical cavity engineering, and photon recycling .
- Knowledge of heat transfer, thermal imaging, infrared spectroscopy, radiative emissivity modeling .
- Prior work scaling semiconductor devices to production scale.

What We Offer

- Opportunity to build next-generation thermophotonic energy systems with global climate impact.
- Work with leading scientists, research institutions, and high-performance engineering teams.
- Competitive salary + ESOPs + growth-based incentives.

How to Apply ? [email protected]

Please share CV + project portfolio + publications or patents if available.

📌 Thermophotonic (TP) Device Engineer (Bengaluru)
🏢 Voltanova
📍 Bengaluru