As a Modeling & Simulation Engineer, you will be responsible for improving and adding to our sensor and communications model suite so that our operator training and internal engineering pipelines have a seamless translation from sim to real results.

Responsibilities

• Develop and enhance radar sensor models for use in simulation and evaluation of aeronautical vehicles.
• Translate theoretical models into efficient, reliable C++ implementations with a focus on numerical accuracy and performance.
• Validate models against real-world data and authoritative references, including field test data and calibration procedures.
• Collaborate with simulation and training application teams to ensure models integrate cleanly into operator-facing tools.
• Design automated validation and regression testing strategies for mathematical models to ensure fidelity across releases.
• Prototype and evaluate new modeling techniques (reduced-order models, uncertainty quantification, machine learning–based surrogates) to push the state of the art.
• Document assumptions, equations, and validation results so that both engineers and operators can trust model outputs.

Requirements

• BS or higher in Aerospace Engineering, Applied Math, Physics, or related field with 5+ years of aerospace modeling experience.
• C++ foundation with experience implementing numerical methods.
• Demonstrated experience with aerospace models such as: Radar sensors, Radio communications systems
• Experience validating simulations against real-world or experimental data.
• Ability to write clear documentation explaining assumptions, limitations, and expected behaviors of models.

Preferences

• 1+ years of experience working on pilot/operator training systems.
• Experience with Eigen or SciPy for model prototyping and validation.
• Familiarity with state estimation sensor models (GPS, IMU, Gyro, etc) for simulation environments.
• Demonstrated experience with payload sensor models including: Laser sensors, IR and optical cameras
• Knowledge of uncertainty quantification and statistical analysis methods.
• Experience with parallelization or GPU acceleration for compute-heavy models.
• Strong problem-solving mindset with a collaborative and detail-oriented approach.
• Familiarity with Python for test automation and data analysis pipelines.
• Passion for aerospace and autonomous vehicle systems.

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Drawing from your expertise in circuit Quantum Electrodynamics and full-wave radio-frequency engineering, from fundamental theory through practical application, you will identify and implement improvements to the integrated circuit layout to mitigate loss and crosstalk channels. You will lay out and design microwave multi-qubit circuits for fabrication and develop next-generation quantum processors.

Key responsibilities include designing, laying out, and simulating superconducting microwave integrated circuits for quantum processors, with a focus on optimal on-chip signal delivery (routing, filtering, multiplexing, etc…). You will also simulate the full-wave electromagnetic performance of quantum processors (eigenmode & driven analyses) using commercial finite element software, engineering the mode profile of resonant structures and the coupling between these resonant structures and on-chip feedlines to optimize device performance.

Engagement with quantum engineers to identify and optimize Hamiltonian parameters for our R&D test devices and deployed quantum processors is also required. Additionally, you will map between target quantum Hamiltonians and integrated circuit layouts using internal python software libraries to construct and diagonalize the quantum Hamiltonian.

Interpretation of simulation and experimental results to identify and mitigate loss and crosstalk channels, or other undesirable microwave properties of the circuit, is essential. Collaboration with fabrication and experimental teams to develop novel processor architectures is also expected.

A PhD in Physics, Applied Physics, Electrical Engineering, or a related field, or the equivalent experience in industry and 3+ years of industry experience is preferred. Strong background in the theory and application of circuit Quantum Electrodynamics to the design of superconducting qubit based quantum processors is also required.

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Job Description:

As a software engineer intern, you will develop, maintain, and improve a Python library, including adding new features and refactoring existing code. You will investigate, reproduce, and fix bugs, ensuring stability and reliability of the library. You will design and implement enhancements to a solver interface, working with C++ and/or Fortran code when required. You will contribute to the integration and maintenance of CI/CD pipelines for testing, validation, and automation. You will write and update unit tests and integration tests to ensure code quality. You will collaborate with team members to review code, discuss design decisions, and troubleshoot issues. You will document APIs, workflows, and technical changes for internal and user-facing use.

Requirements:

• Currently pursuing a master's degree in Computer Science, Software Engineering, or a related field.
• Strong programming skills in Python.
• Experience with software development, code maintenance, and debugging.
• Familiarity with CI/CD tools and workflows (e.g., automated testing, pipelines).
• Knowledge of Git or other version control systems.
• Experience working in a Linux/Unix environment.
• Preferred: Experience with C++ and/or Fortran; understanding of solver interfaces or bindings; exposure to build systems; basic knowledge of numerical methods or scientific computing; experience with large or shared codebases.

Key Program Facts:

• Program Length: 6 months
• Location: Lyon, France
• Working Model: In-office
• Full-Time/Part-Time: Full time – 35 hours per week
• Start Date: As soon as possible

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As a R&D Staff Engineer, you will research, design, and implement algorithms for 3D geometry processing and mesh generation incorporating AI/ML to increase automation and robustness.

Your expertise in AI/ML applications for 3D geometry processing, proficient software development skills, especially with Python and C/C++, and solid understanding of geometry processing, mesh generation, and numerical methods are essential.

You will collaborate closely with the meshing software development team to plan, create, and evolve simulation software capabilities.

Your strong analytical skills and ability to overcome obstacles make you a natural fit for an innovative team by pushing the boundaries of simulation technology.

You will accelerate the adoption of AI/ML technologies within simulation software, making model creation faster and more accessible.

You will enable engineers and researchers to solve complex geometric and numerical problems more efficiently.

You will improve the accuracy and performance of simulation models through advanced mesh generation techniques.

You will drive innovation in the field of computational geometry and simulation technology.

You will contribute to the development of robust, scalable software solutions used by leading companies worldwide.

You will help Synopsys maintain its leadership in high-performance simulation and design automation tools.

The base salary range for this role is $120,000-$180,000.

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Your responsibilities will include conducting introductory, intermediate, and advanced training sessions for customers, and scoping/delivering professional services projects. You will also gather customer requirements and market trends to inform improvements to Ansys software, collaborate with product development teams to translate feedback into new features, and test new software releases on real-world industrial problems and provide feedback to enhance product performance and usability.

In this role, you will participate in internal initiatives to share knowledge, establish best practices, and develop simulation solutions and FAQs for the knowledge base. You will work closely with customers, sales, and product development to drive innovation and ensure success.

As an Optical Applications Engineer, you will have the opportunity to elevate customer satisfaction and productivity by delivering timely, high-quality technical support and solutions. You will drive adoption of Ansys Lumerical tools and support software revenue growth through expert pre-sales and post-sales engagement. You will empower customers to innovate and validate their designs faster and more accurately with advanced simulation software.

If you are a passionate engineer with a deep understanding of optics and photonics, eager to solve challenging engineering problems and make a significant impact in the industry, we encourage you to apply for this exciting opportunity.

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Your responsibilities will include performing numerical analysis of strongly coupled PDE systems to enhance simulation accuracy and speed, collaborating closely with Application Engineering and cross-functional teams to refine and validate solutions, and contributing to the continuous improvement of the Sentaurus product line used by semiconductor companies, research institutions, and universities worldwide.

As a Staff Engineer, you will have the opportunity to drive innovations that enable next-generation chip design and simulation for global industry leaders, accelerate the development of consumer products,phones, cameras, cars, and more,by advancing simulation technology, and enhance the performance and scalability of the Sentaurus product line, directly influencing semiconductor research and development.

You will be part of a high-performing, collaborative group of engineers, scientists, and innovators dedicated to advancing simulation technology for semiconductor devices. Our team brings together diverse expertise in mathematics, physics, computing, and engineering, fostering a creative, international work environment where every member's contributions matter.

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Our internship programs offer real-world projects, hands-on experience, and opportunities to collaborate with passionate teams globally. Explore your interests, share your ideas, and bring them to life while shaping your career path within our inclusive culture that fosters innovation and collaboration. Engineer your future with us!

Job Description

Category

Interns/Temp

Hire Type

Intern

Job ID

15973

Date Posted

03/05/2026

Job title: Intern (stage 5 ou 6 mois) - R&D Engineer - Digital Twin & Reduced Order Model Team

Introduction:

We drive technology innovations that shape the way we live and connect. Catalyzing the era of pervasive intelligence, we deliver design solutions, from electronic design automation to silicon IP, to system design and multiphysics simulation and analysis. We partner closely with our customers across a wide range of industries to maximize their R&D capability and productivity, powering innovation today that ignites the ingenuity of tomorrow.

Internship Experience:

At Synopsys, interns dive into real-world projects, gaining hands-on experience while collaborating with our passionate teams worldwide - and having fun in the process! You'll have the freedom to share your ideas, unleash your creativity, and explore your interests. This is your opportunity to bring your solutions to life and work with cutting-edge technology that shapes not only the future of innovation but also your own career path. Join us and start shaping your future today!

What You'll Be Doing:

• Develop and implement advanced analytical frameworks for modern ROM workflows.
• Re-architect and optimize the Genetic Aggregation Response Surface (GARS) method.
• Design, implement, test, and document new ROM-related algorithms in C++ and Python.
• Collaborate with R&D engineers to align methods with team objectives.

What You'll Need:

• Currently pursuing a degree in Computer Science, Applied Mathematics, Engineering, or a related field.
• Proficiency in C++.
• Strong understanding of numerical methods.
• Solid software engineering principles and design patterns.
• Experience with algorithms or scientific computing.
• Experience with agile development and Git.
• Strong analytical and problem-solving abilities.
• Ability to collaborate in a multidisciplinary R&D environment.
• Adaptability, willingness to learn, and proactive attitude.
• Clear communication of technical concepts and ability to work independently.

Key Program Facts:

• Program Length: 6 months
• Location: Lyon Villeurbanne, France
• Working Model: In-office
• Full-Time/Part-Time: Full-time (35 hours/week)
• Start Date: ASAP

Equal Opportunity Statement:

Synopsys is committed to creating an inclusive workplace and is an equal opportunity employer. We welcome all qualified applicants to apply, regardless of age, color, family or medical leave, gender identity or expression, marital status, disability, race and ethnicity, religion, sexual orientation, or any other characteristic protected by local laws. If you need assistance or a reasonable accommodation during the application process, please reach out to us.

Hiring Journey at Synopsys

Apply

As an applicant your resume, skills, and experience are being reviewed for consideration.

Phone Screen

Once your resume has been selected a recruiter and/or hiring manager will reach out to learn more about you and share more about the role.

Interview

You will be invited to meet with the hiring team to measure your qualifications for the role. Our interviews are held either in person or via Zoom.

Offer

Congratulations! When you have been selected for the role, your recruiter will reach out to make you a verbal offer (a written offer will follow your conversation), and we hope you accept!

Onboarding

There will be some steps you need to take before you start to ensure a smooth first day, including new hire documentation.

Welcome!

Once you’ve joined, your manager, team, and a peer buddy will help you get acclimated. Over the next few weeks, you’ll be invited to join activities and training to help you ramp up for a successful future at Synopsys!

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