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Echo Silence
Internship Offer: Numerical & Room Acoustics Simulation

Internship Offer: Numerical & Room Acoustics Simulation

Hybrid

Paris, France

Internship

21-10-2025

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Skills

Problem-solving Research

Job Specifications

Internship Details:

* Location: Paris (Hybrid / On-site)

* Duration: 6 months (flexible start date)

* Compensation: Paid internship

About Echo Silence:

Echo Silence is a Paris-based DeepTech startup pioneering next-generation acoustic metamaterials and AI-powered noise control solutions. Our mission is to revolutionize industrial acoustics by delivering lightweight, sustainable, and high-performance sound materials for power generation, rail, HVAC, and heavy machinery industries. Echo Silence is backed by leading innovation programs in Europe and collaborates with industrial partners across energy, mobility, and manufacturing.

Internship Overview:

We are seeking a motivated intern to contribute to our numerical and experimental acoustics activities, with a focus on room acoustics modeling, simulation, and optimization. The intern will play an active role in developing simulation models that support the design and validation of our next-generation acoustic solutions.

Key Responsibilities:

* Conduct numerical simulations using COMSOL Multiphysics to optimize material geometry and acoustic performance.

* Model and analyze room acoustics to enhance noise reduction and insertion loss.

* Participate in experimental validation of numerical results using laboratory setups.

* Support proof-of-concept (PoC) studies and product development initiatives.

* Document findings and present results to the R&D and product teams.

Candidate Profile:

* Education: Master 1 or Master 2 in Acoustics, Mechanical Engineering, Physics, or related field.

* Technical Skills:

o Proficiency in COMSOL Multiphysics (mandatory).

o Understanding of numerical and experimental acoustics.

o Familiarity with signal processing or material characterization is a plus.

* Soft Skills: Analytical, detail-oriented, and capable of independent problem-solving.

* Languages: Fluent in English (French is a plus).

What We Offer:

* A dynamic environment at the intersection of deep technology and industrial innovation.

* Hands-on experience in simulation, testing, and applied research.

* Mentorship from experienced engineers and researchers in acoustics and materials science.

* Opportunity to contribute to real-world industrial projects with global impact.

How to Apply:

Send your CV and cover letter to: contact@echosilence.info

Applications are reviewed on a rolling basis. Early submissions are encouraged.

About the Company

Echo Silence is a deeptech startup developing advanced acoustic materials to transform noise control in industrial and urban environments. Built on over 30 years of R&D expertise in acoustics, we deliver high-performance solutions that reduce noise pollution, accelerate product development, and enable quieter, healthier spaces. Our mission is to make next-generation noise reduction accessible, scalable, and impactful. Know more

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