Senior R&D Engineer Advanced Electromagnetic Propulsion Systems
Ytsab Defence AB · Stockholms län, Sweden
About The Role
Role Overview
We are seeking a highly skilled and visionary Senior R&D Engineer (Electromagnetic Propulsion) to lead the physical modelling, simulation, and experimental validation of a next-generation, multistage Electromagnetic Launch System.
In this role, you will bridge the gap between advanced physics theory and cutting-edge engineering. You will be responsible for defining the mathematical framework of inductance acceleration, optimizing pulsed-power efficiency, managing extreme thermal/mechanical stresses, and building physical prototypes to validate your models. If you thrive on solving highly complex, multi-physics problems and want to shape the future of high-velocity propulsion tech, this is your next challenge.
Core Responsibilities
Physics Modelling & Electromagnetic Analysis
Develop the fundamental mathematical frameworks and multi-physics models (electromagnetic, thermal, and material physics) to describe inductance acceleration and transient system behaviors.
Investigate complex magnetic Lorentz forces, skin effects, and proximity effects acting on coils under high-frequency, time-varying currents.
Utilize advanced simulation tools to analyse a large parameter space (coil geometry, shape, size, and turn count) to optimize magnetic field production and projectile acceleration.
System Architecture & Optimization
- Design and analyse multistage acceleration configurations, defining the optimal number of stages, mutual stage interactions, and microsecond-level activation timing architectures.
- Optimize the stored-to-kinetic energy conversion efficiency by minimizing un-utilized magnetic flux, ohmic/resistive losses, and eddy current heating.
- Define the boundary conditions, switching requirements, pulse shapes, and power regulation dependencies for the electrical and control subsystems.
Component Design & System Integration
- Collaborate with external project partners to integrate custom-engineered, high-current pulsed-power coils optimized for mechanical stability and thermal resilience.
- Oversee the concept design of specialized payloads to ensure seamless compatibility with the electromagnetic launch environment.
- Address system-level integration challenges arising from high-intensity electromagnetic fields on surrounding components.
Thermal Management & Power Control
- Identify transient heat sources within the accelerator stages and propose highly effective thermal management and cooling solutions.
- Optimize the physical routing of the electrical power supply to the coil inductors to handle extreme stress environments.
Experimental Validation & Safety
- Design, build, and operate an experimental test setup to validate simulation data, testing for acceleration efficiency, discharge pulse dynamics, and heat management.
- Conduct comprehensive safety analyses on high-voltage and high-energy electromagnetic components.
- Establish strict safety protocols and ensure total compliance with relevant electrical safety standards for pulsed-power operations.
Required Technical Skills & Experience
- Education: Master’s or Ph.D. in Physics, Electrical Engineering, or a highly related field with a focus on Electromagnetics.
- Simulation: Extensive experience with multi-physics simulation software (e.g., COMSOL, Altair Flux, or MATLAB/Simulink) focusing on transient electromagnetic fields.
- Pulsed Power Expertise: Knowledge of inductance acceleration, magnetic forces, high-current switching, and power electronics.
- Thermal & Mechanical Insight: Familiarity with managing thermal dissipation and mechanical stress in high-energy electrical systems.
- Hands-on Testing: Experience setting up laboratory diagnostics, high-speed data acquisition systems, and working safely with high-voltage hardware.
Preferred Attributes
- Experience in advanced aerospace or defence R&D, specifically in coil gun, or linear induction motor technologies.
- Strong collaborative skills for working alongside external manufacturing and project partners.
- A meticulous approach to safety protocols and risk analysis.
What We Offer
- Cutting-Edge Projects: Work on a disruptive, first-of-its-kind electromagnetic technology program.
- Collaborative Culture: Join a highly collaborative environment alongside leading industry partners and academic experts.
- Competitive Compensation: Attractive salary and continuous professional development paths.
- Due to the nature of this project, applicants must be eligible to obtain the required national security clearances.
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