Modeling & Simulation Software Engineering Intern - Fall 2026

About Hermeus Hermeus designs and builds high-speed aircraft, focusing on rapid development and testing of high-Mach and hypersonic vehicles. The company partners with the Department of Defense to deliver advanced capabilities that support national and allied interests. Internship Overview The Modeling & Simulation Software Engineering Intern will join the software team in Los Angeles, CA for Fall 2026. This paid internship runs for approximately 16 weeks, from September through December. What You Will Do Develop high-performance modeling and simulation code for 6DOF Software in the Loop (SITL) simulations using Julia Work closely with teams in Flight Software, HMI, and Flight Sciences to meet project requirements Create software models based on hardware specifications and physics principles Validate simulation models against real-world data to ensure accuracy Collaboration This role involves frequent collaboration with technical teams and stakeholders to ensure simulation outcomes align with project goals.

Join Hermeus, a pioneering manufacturer of high-speed aircraft dedicated to the swift design, construction, and testing of hypersonic vehicles that serve the national interest. Collaborating closely with the Department of Defense, we provide cutting-edge capabilities that ensure our nation and allies maintain a strategic advantage over potential adversaries.We are on the lookout for a dynamic and seasoned Senior Software Simulation Engineer to be part of our innovative team at Hermeus. In this pivotal role, you will design and implement real-time simulation environments that facilitate the design, verification, and validation processes for aerospace flight control and avionics systems. Utilizing Model-Based Design (MBD) principles, you will harness MATLAB/Simulink and automated code generation tools to convert dynamic system models into executable real-time code, supporting both Hardware-in-the-Loop (HIL) and Software-in-the-Loop (SIL) testing.This position serves as a critical link between control system design and embedded software implementation, ensuring that aircraft dynamics and system behaviors are accurately represented during simulated flight conditions. You will work collaboratively with multidisciplinary teams to integrate models with real-time targets, enhance simulation performance, and contribute to the certification and reliability of vital flight systems.The ideal candidate will possess a robust understanding of aerospace systems, control theory, and real-time simulation platforms, complemented by hands-on experience in model-based code generation, HIL development, and test automation within safety-critical environments.

K2 Space Corporation is at the forefront of revolutionizing satellite technology, designing the largest and most powerful satellites ever launched. With a commitment to pushing performance boundaries across all orbits, we are excited to be backed by $450 million from prominent investors, including Altimeter Capital, Redpoint Ventures, T. Rowe Price, and Lightspeed Venture Partners. Additionally, we have secured $500 million in contracts with commercial and U.S. government clients, enabling us to mass-produce the highest-power satellite platforms ever devised for missions ranging from Low Earth Orbit (LEO) to deep space.The emergence of heavy-lift launch vehicles is ushering in a new era of satellite capabilities, shifting the industry from mass constraint to mass abundance. At K2, we believe this transformation demands a new class of spacecraft designed for resilience in extreme radiation environments and to utilize the immense potential of today’s and tomorrow’s rockets. Our satellites are engineered to deliver unparalleled capabilities at a constellation scale, across multiple orbits.With multiple launches scheduled through 2026 and 2027, we are dedicated to expanding our reach within the solar system and aspire to evolve into a Kardashev Type II civilization. If you are a driven individual who thrives in a dynamic environment and are eager to contribute to the success of a groundbreaking Series C space startup, we invite you to apply.

Join Our Team as a Simulation Software Engineer!At Revel, we are at the forefront of transforming the control of essential hardware across diverse industries such as aerospace, automotive, energy, and manufacturing. Our innovative software solution integrates an intuitive command/control interface, a unique programming language designed specifically for hardware management, and a robust runtime environment. We empower engineers to swiftly and safely create, test, and implement critical systems.Position SummaryWe are seeking a talented Simulation Software Engineer to enhance our dynamic engineering team. Your skills will play a pivotal role in advancing Revel's simulation engine, which is instrumental in validating RevelCode and achieving unmatched reliability and performance.

Join Freeform Future Corp as a Senior Simulation Engineer, where you will play a pivotal role in designing and implementing advanced simulation systems. Your expertise will contribute to innovative solutions that enhance our product offerings and drive success in our projects. You will collaborate with a team of talented engineers and scientists to develop cutting-edge technologies.

Freeform Future Corp creates AI-native manufacturing systems that merge software, hardware, and physics to deliver industrial-scale parts at speed. The team treats manufacturing as a single, integrated system with the goal of removing obstacles to designing, building, and scaling complex hardware. Role overview As Principal Simulation Engineer, the main responsibility is to develop physics-based and data-driven models for Freeform’s automated, production-scale metal 3D printing platform. The work centers on building detailed simulations for technical challenges that may not have existing solutions. Collaboration with colleagues from software, hardware, and manufacturing is a key part of the process, along with rapid iteration to push the technology forward. What you will do Develop and improve physical and multi-physics simulation models for metal 3D printing processes Tackle open-ended or novel technical problems using first-principles modeling Work closely with software, hardware, and manufacturing teams Support the creation of high-quality, automated production systems Requirements Extensive experience with physical simulations and multi-physics phenomena Ability to build models from scratch for undefined or previously unsolved problems Comfort working in an interdisciplinary, rapidly iterating setting Strong problem-solving skills and a collaborative working style Background in 3D printing is not required Location This position is based on-site in Los Angeles, CA.

DLR Group is a forward-thinking integrated design firm dedicated to enhancing the human experience through innovative design. Our mission is to improve the lives of our clients, communities, and the planet through our global projects. If you are excited about making a positive impact through design, we invite you to join us.Our Engineering team is excited to announce an opening for a Mechanical Engineering Intern. This seasonal internship for Summer 2026 will require approximately 40 hours of in-office work each week.Location: Los Angeles, California We have multiple positions available across various locations. We encourage you to explore all openings and apply to those that best fit your living arrangements during the internship.Position Overview:As a Mechanical Engineering Intern at DLR Group, you will play a crucial role in assisting the design of mechanical systems, from schematics to construction administration, across diverse building types. Collaborating with our integrated design teams, you will help create spaces that enhance the human experience.About the EPX Program at DLR Group:As an intern, you will be part of our Emerging Professional Experience Program. The EPX program offers a comprehensive understanding of the design industry and opportunities for professional growth. The program consists of mentorship, hands-on work, and weekly classes covering various topics such as design culture, sustainability, and project management. You will gain insights from our top executives and integrated designers throughout the program!Key Responsibilities:Collaborate with licensed engineers to design mechanical systems for new constructions and renovation projects.Participate in design team meetings and observe the coordination within a multidisciplinary team.Assist with the development of project documentation and specifications.

Join Hermeus as a Test and Operations Engineering Intern for the Summer/Fall 2026 session! This is a unique opportunity to work at the forefront of aerospace technology, contributing to the development of rapid and efficient air travel solutions. As an intern, you will collaborate with experienced engineers on innovative projects, gaining hands-on experience in testing and operations.

Join Hermes as a Propulsion Engineer Intern for the Summer and Fall of 2026! This exciting opportunity allows you to engage in cutting-edge propulsion technology development, collaborating with our talented engineering team to innovate and enhance our aerospace solutions. You will gain hands-on experience, contribute to real projects, and develop your skills in a dynamic and supportive environment.

Join our dynamic team at Hermes as a Structures Engineer Intern for the Summer/Fall of 2026. As part of our innovative engineering department, you will gain hands-on experience in designing and analyzing cutting-edge structures that support our aerospace advancements. This internship offers a unique opportunity to work alongside seasoned professionals and contribute to projects that push the boundaries of technology.

Join Apex Technology Inc. as a Simulation Engineer, where you'll play a crucial role in designing and implementing advanced simulations to optimize our products. You will collaborate with cross-functional teams, utilizing state-of-the-art tools and methodologies to ensure the highest quality in our simulations.Your contributions will directly impact product performance and innovation, making this an exciting opportunity to leverage your skills in a dynamic environment.

Freeform Future Corp develops advanced manufacturing systems that blend software, hardware, and physics to produce industrial parts efficiently and precisely. The team approaches manufacturing as a unified process, working to make complex hardware design and production more accessible and scalable. As a Simulation Engineer based on-site in Los Angeles, the focus will be on building advanced, physics-based models to power the first production-scale, fully automated metal 3D printing systems. Much of this work means creating detailed simulations from scratch, often to address technical challenges that lack established solutions. Collaboration with experts from software, hardware, and manufacturing is central, as is the ability to iterate quickly and refine models based on experimental results and evolving requirements. What you will do Develop and implement multi-physics simulations for metal 3D printing processes Create models to solve new or undefined technical problems in manufacturing Collaborate with cross-functional teams to integrate simulation results into real production systems Adapt and improve models rapidly in response to experimental feedback and shifting needs Requirements Strong background in physical simulations and multi-physics modeling Experience building complex models from first principles Comfort tackling open-ended problems without clear solutions Ability to work effectively in an interdisciplinary, fast-moving setting Excellent problem-solving skills and a collaborative approach Direct experience with 3D printing is not required Engineers at Freeform Future Corp are driven by challenging problems and a desire to help shape the future of manufacturing technology.

At Parallel Systems, we are at the forefront of revolutionizing freight transportation with our groundbreaking autonomous battery-electric rail vehicles. Our mission is to transition a portion of the $900 billion U.S. trucking industry to a cleaner, safer, and more efficient rail solution, reshaping the landscape of logistics. Join our innovative team and contribute to creating a smarter, greener future for global freight!Position: Vehicle Software Engineering InternDuration: Summer 2026 Internship

Join Hermes as a Mechanical Engineering Intern for the Fall 2026 semester! This exciting opportunity is designed for passionate engineering students eager to apply their knowledge in a real-world environment. You will work alongside a talented team of engineers, contributing to innovative projects that push the boundaries of aerospace technology.

Join Hermeus as a Manufacturing Engineering Intern this summer in Los Angeles, CA. We are a pioneering high-speed aircraft manufacturer dedicated to the rapid design, construction, and testing of advanced high-Mach and hypersonic aircraft, serving the national interest. Collaborate closely with the Department of Defense to enhance our nation's strategic capabilities and maintain a competitive edge. As part of our Manufacturing Engineering team, you will play a key role in initiatives aimed at expanding our in-house manufacturing capabilities, contributing to the design, assembly, and testing of flight hardware and essential ground support systems. This is a unique opportunity to impact cutting-edge aerospace technology while gaining hands-on experience in a dynamic environment.

Join Hadrian and Shape the Future of Manufacturing!At Hadrian, we are pioneering the development of autonomous factories that empower aerospace and defense industries to produce rockets, satellites, jets, and ships with remarkable efficiency—up to 10 times faster and at half the cost. By integrating cutting-edge software, robotics, and comprehensive manufacturing solutions, we are redefining the landscape of American production.With a recent $260 million Series C funding boost, we are excited to unveil our new state-of-the-art Factory located in Mesa, Arizona, encompassing 270,000 square feet and creating 350 immediate job opportunities. As we expand our headquarters to accommodate future growth, we are also launching Hadrian Maritime for naval production and introducing a Factory-as-a-Service model that delivers complete systems rather than just individual components.Hadrian collaborates with innovative startups, Tier 1 and Tier 2 suppliers, and leading defense contractors across the realms of space, shipbuilding, and aviation to enhance production capabilities, minimize costs, and expedite delivery of mission-critical projects. Our commitment to reindustrializing American manufacturing is supported by top-tier investors such as Lux Capital, Founders Fund, and Andreessen Horowitz, uniting our rapidly growing team in a shared vision for the 21st century and beyond!Your Role:We are on the lookout for a skilled Simulation Engineer specializing in Omniverse technologies to design, develop, and maintain high-fidelity simulation artifacts, digital twins, and process visualizations that facilitate advanced manufacturing decisions across our organization. In this role, you will collaborate closely with manufacturing, automation, special projects, and product teams to deliver decision-grade simulations that enhance factory design, mitigate financial risks, and optimize production outcomes.Key Responsibilities:Design, maintain, and advance high-fidelity 3D and discrete-event simulations utilizing NVIDIA Omniverse and associated toolchains.Develop reusable simulation assets, plugins, workflows, and visualization pipelines for cross-factory applications.Convert vague operational inputs (e.g., verbal descriptions, low-fidelity drawings, early layouts) into precise, executable simulation models.Collaborate with cross-functional teams (Operations, Automation, Controls, Finance, Special Projects) to identify simulation requirements and success metrics.Provide simulation insights that guide layout decisions, throughput targets, capital planning, and risk management strategies.Manage the simulation toolchain, ensuring it remains scalable, maintainable, and aligned with long-term objectives.

Join Hadrian - Pioneering the Future of ManufacturingAt Hadrian, we are revolutionizing the manufacturing landscape by creating autonomous factories designed to empower aerospace and defense sectors. Our innovative solutions enable the production of rockets, satellites, jets, and ships with remarkable efficiency—up to ten times faster and at half the cost. Through the integration of cutting-edge software, robotics, and comprehensive manufacturing processes, we are reshaping the way critical components are produced in America.With the recent successful completion of a $260 million Series C funding round, we are poised for rapid expansion, including the inauguration of a new 270,000 square foot factory in Mesa, Arizona, which will generate 350 jobs immediately. Our new headquarters will pave the way for thousands of future roles, while Hadrian Maritime will enhance our offerings in naval production. Additionally, we are implementing a Factory-as-a-Service model that delivers complete systems rather than just individual components.Collaborating with startups, Tier 1 and Tier 2 suppliers, and major defense contractors across aerospace, shipbuilding, and aviation, Hadrian is dedicated to scaling production, minimizing costs, and expediting delivery on mission-critical initiatives. With support from esteemed investors such as Lux Capital, Founders Fund, and Andreessen Horowitz, our dynamic team is united by a vision to rejuvenate American manufacturing for the 21st century and beyond!Your Role:Become a crucial member of Hadrian’s Special Projects division, where you will be at the forefront of advanced manufacturing. As a vital technical contributor, you will operate as a distributed resource across our factory network, collaborating with leadership, automation, factory development engineering, and operations teams.This pivotal role focuses on the design, development, and implementation of precision tooling and simulation systems, facilitating scalable and high-performance manufacturing for large components and assemblies. Your expertise will directly influence the capabilities of our future factories through hands-on technical execution and collaborative efforts across various functions.Key Responsibilities:Develop and enhance low-, mid-, and high-fidelity simulations aligned with factory building and optimization objectives.Transform abstract layout concepts into actionable discrete event simulation (DES) and 3D models.Engage with engineering, operations, and leadership to provide data-driven, actionable insights from simulations.Sustain and improve the simulation toolchain for long-term scalability and usability.Establish and manage a comprehensive library of parametric and reusable simulation assets.

Join Hermeus as an Operational Analysis and Modeling Engineer, where you will play a vital role in optimizing our operational processes. You will utilize your analytical skills to develop models that enhance efficiency and drive innovation within our engineering teams.

Join Hermeus, a pioneering manufacturer of high-speed aircraft dedicated to the swift design, construction, and testing of high-Mach and hypersonic aircraft serving national interests. Collaborating closely with the Department of Defense, we deliver cutting-edge capabilities that empower our nation and allies to maintain a significant strategic advantage over potential adversaries.We are on the lookout for an innovative and motivated professional to spearhead operational analysis and simulation at Hermeus. As the lead for operational modeling and simulation, your contributions will directly influence the development of our hypersonic aircraft and the vital capabilities they will provide to address the urgent challenges faced by our clients. This role mandates experience in government, defense sectors, and/or FFRDC/UARC, along with proficiency in relevant software tools. Depending on your qualifications and experience, this position may be filled at either the manager or director level.

Genies seeks a Senior Machine Learning Engineer specializing in Animation Modeling to join its Los Angeles team. This role centers on developing and refining machine learning models that power animated digital avatars. Role overview The position focuses on advancing the technology behind avatar animation, directly influencing how users engage with and experience avatars across various platforms. The work involves both building new models and improving existing ones to enhance realism, responsiveness, and interactivity. Location This role is based in Genies' Los Angeles office.