Simulation Software Engineer

Archer is an innovative aerospace firm located in San Jose, California, dedicated to creating an all-electric vertical takeoff and landing aircraft. Our goal is to enhance sustainable air mobility, designing, manufacturing, and operating an aircraft capable of transporting four passengers with minimal noise production.We aim high and tackle challenging problems, believing that a diverse workforce fosters smarter solutions, deeper insights, and collective success. Archer is committed to nurturing an inclusive and equitable environment that values differences and supports every member of our team.What you will do:Manage Archer's integrated lab environments to support validation and verification processes, including quality assessments, human factors evaluations, and test pilot training.Work collaboratively across internal teams and with suppliers to integrate, instrument, and maintain the configuration of simulation models within a real-time hardware-in-the-loop environment.Develop simulation models of various systems and integrate them into the overarching framework.Create and implement graphical user interfaces to facilitate control of the real-time simulation environment.Support the execution of test plans and automation of testing procedures.

About the RoleBonsai Robotics is on the lookout for a talented Senior Robotics Software Engineer specializing in simulation. In this key role, you will be responsible for developing and managing our sophisticated simulation infrastructure. The successful candidate will design high-fidelity virtual environments that facilitate quick development, testing, and validation of our autonomy stack, thereby minimizing reliance on physical field testing and speeding up iterations across perception, planning, and control systems.What You'll DoDevelop and maintain simulation environments that accurately replicate real-world conditions, including orchards, row crops, uneven terrain, and varying lighting and weather.Create SIL/HIL testing frameworks that ensure comprehensive testing of the full autonomy stack.Establish and sustain high-fidelity sensor models (cameras, GPS/RTK, IMUs, LiDAR) that are calibrated against actual hardware.Develop tools for automated scenario generation, regression testing, and CI integration.Work collaboratively with perception, controls, and platform teams to define simulation needs and bridge the sim-to-real gap.Model vehicle dynamics and terrain interactions for a variety of robotic form factors.

Archer Aviation develops all-electric vertical takeoff and landing (eVTOL) aircraft for four passengers, with an emphasis on low noise and sustainable air travel. Based in San Jose, California, the company is committed to making environmentally friendly mobility more accessible. Archer values diverse perspectives and aims to create an inclusive workplace where everyone can thrive. Role overview The Staff Modeling & Simulation Engineer will advance vehicle modeling, simulation, and analysis for Archer's eVTOL aircraft. This role supports technical development and works across teams to help ensure vehicle performance and safety. Main responsibilities Vehicle performance & modeling: Develop and refine vehicle performance models, conduct trade studies at the vehicle level, and set and validate performance requirements. Handling & maneuvering: Assess flying and handling qualities, determine maneuvering parameters, and verify the aircraft meets responsiveness and safety standards. Dynamics & aeromechanics: Carry out system identification and linearization of complex vehicle dynamics. Analyze aeromechanics and aeroelasticity to support stability. Flight controls support: Support flight control system design, including notch filter development and defining operational envelopes. Simulation & hazard analysis: Characterize aircraft performance and capabilities through simulation, supporting Functional Hazard Analyses (FHAs) at the vehicle level. Data analysis & model validation: Analyze flight test data, identify sources of inaccuracies in models, and improve vehicle physics models. Systems integration: Collaborate with internal and external suppliers to integrate systems into vehicle simulations, including dynamics, powertrain, actuation, sensors, and environmental modeling.

Archer Aviation is a pioneering aerospace company located in San Jose, California, dedicated to the development of an innovative all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to revolutionize sustainable air mobility, providing an exceptional travel experience while minimizing environmental impact.At Archer, we are driven by high aspirations and challenging objectives. We recognize that a diverse workforce enhances creativity and innovation, leading us to greater success. We are committed to fostering an inclusive and equitable workplace that embraces our unique perspectives and celebrates the contributions of every team member.Key Responsibilities:Design and develop advanced flight simulation physics models for eVTOL aircraft.Conduct vehicle-level trade studies to inform design decisions.Enhance the fidelity of system electrical, thermal, and performance models using data from lab and flight tests to facilitate vehicle certification.Collaborate with both internal and external suppliers to integrate their systems into our comprehensive vehicle simulation framework.Assist in design and analysis activities to ensure compliance with business and regulatory requirements at a high confidence level.

Join Archer Aviation, a pioneering aerospace company located in San Jose, California, dedicated to revolutionizing sustainable air mobility through our innovative all-electric vertical takeoff and landing aircraft. Our mission is to provide efficient, eco-friendly air travel, capable of carrying four passengers with minimal noise.At Archer, we aim high and tackle complex challenges. We believe that a diverse workforce enhances creativity and leads to better solutions. We are committed to fostering an equitable and inclusive workplace that values our differences and supports every team member's growth.Responsibilities:Design and develop Flight Simulation Physics Models for VTOL aircraft powered by electric and hybrid electric powertrains.Conduct vehicle-level trade studies to assess various design alternatives.Refine kinematic multi-body flight physics models, including aerodynamics, powertrain, aircraft systems, electrical, thermal, and performance model fidelity, ensuring alignment with lab and flight test data for vehicle certification.Collaborate with internal and external suppliers to seamlessly integrate their systems into our comprehensive vehicle simulation.Perform vehicle-level simulations and performance analyses using Python and MATLAB/Simulink environments.Model potential vehicle failure modes and evaluate their impact on mission objectives.Assist in design and analysis tasks to ensure high confidence in meeting business and regulatory requirements.Conduct simulations for a variety of internal engineering applications, including aircraft loads, structural design, propeller dynamics, and powertrain duty cycles.Generate performance estimates for the aircraft to be incorporated into the aircraft flight manual, flight management systems, and airline operations.

Join Western Digital as a Mechanical Simulation Engineer, where you will have the opportunity to work on cutting-edge technology in a dynamic and collaborative environment. As part of our team, you will contribute to the development of advanced mechanical systems, utilizing simulation tools to optimize designs and ensure product performance.

Archer Aviation Inc., located in San Jose, California, is revolutionizing the aerospace industry with our all-electric vertical takeoff and landing aircraft. Our mission is to enhance sustainable air mobility by designing, manufacturing, and operating a state-of-the-art aircraft capable of carrying four passengers while ensuring minimal noise output.At Archer, we aspire to achieve remarkable heights, tackling challenging problems while fostering a diverse and inclusive workplace that drives innovation and collective success. We are committed to creating an equitable environment that values our differences and supports every team member.What You’ll DoExecute Worst Case Circuit Analysis (WCCA) and margin analysis on critical control and measurement circuits, including microcontrollers, resolver interfaces, PMICs, power trees, voltage/current sensors, and digital communication protocols (CAN, SPI, etc.).Conduct circuit simulations using SPICE and MATLAB to evaluate designs under varying component tolerances, temperature extremes, and voltage fluctuations.Lead Design Failure Mode and Effects Analysis (DFMEA) for control and sensor boards, collaborating with Safety and Reliability teams to identify and mitigate potential risks.Analyze the impact of single-event upsets and latch-ups on essential system functionalities.Perform electrical stress analysis and component derating assessments.Assist the design team with analytical validation of power management architectures, sensor interfaces, and MCU-based control circuits.Work closely with hardware, controls, firmware, safety, and reliability teams to ensure compliance with aerospace performance and certification standards.Generate technical documentation and analysis reports to support design reviews and adhere to DO-254/DO-160 compliance.

Archer Aviation Inc. is developing all-electric vertical takeoff and landing (eVTOL) aircraft in San Jose, California. The company aims to advance sustainable air mobility by producing and operating a four-passenger aircraft designed to lower noise pollution. Archer values ambitious engineering, welcomes complex technical challenges, and fosters an inclusive, equitable workplace where every team member's input matters. Role overview The Staff Engineer, Flight Modeling & Simulation, will focus on developing and refining simulation models that support the design, certification, and operation of Archer’s eVTOL aircraft. Key responsibilities Develop advanced flight simulation physics models tailored for eVTOL aircraft. Conduct vehicle-level trade studies to inform design decisions. Enhance electrical, thermal, and performance model accuracy by incorporating lab and flight test data to support vehicle certification. Collaborate with internal teams and external suppliers to integrate their systems into the overall vehicle simulation framework. Contribute to design and analysis efforts to help meet both business and regulatory requirements with a high degree of confidence.

Archer is a pioneering aerospace company located in San Jose, California, dedicated to developing an innovative all-electric vertical takeoff and landing aircraft. Our mission is to enhance the advantages of sustainable air mobility through cutting-edge design, manufacturing, and operation of aircraft that can transport four passengers with minimal noise impact.We aspire for greatness, tackling challenging issues head-on, and firmly believe that a diverse workforce enhances our intelligence, drives superior insights, and ultimately leads us all towards success. We are committed to fostering an equitable and inclusive workplace that values our differences and supports every team member.What you’ll do:Design, develop, and sustain Continuous Integration and Continuous Deployment (CI/CD) workflows and automated testing pipelines for the GNC and Vehicle Simulation teams using tools such as GitHub Actions and TeamCity.Assist in creating and maintaining automated toolchains for generating, compiling, and deploying Simulink and MATLAB code across various environments, including desktop simulations, Hardware-in-the-Loop (HIL) setups, and flight computers for both subscale and full-scale vehicles.Architect new, and oversee existing, High-Performance Computing (HPC) infrastructure to facilitate extensive Monte Carlo simulations, batch regression testing, and parallelized simulations and evaluations.Oversee key software interfaces between the "Virtual Vehicle" (Simulink models) and downstream platforms, including managing Interface Control Documents (ICDs), data dictionaries, and signal mapping to embedded middleware.Create C/C++ wrapper functions, S-functions, and harnesses to ensure smooth integration of compiled code and external libraries within the MATLAB/Simulink framework.Act as a cross-functional engineering multiplier: Utilize your expertise in aerospace principles to contribute directly to vehicle simulation modeling, physics tooling, or GNC integration tasks as required.Serve as the primary technical liaison between the Flight Dynamics & Control (FD&C) team and the Platform embedded software team, ensuring the accurate translation of complex algorithms into real-time execution.

Archer Aviation is a pioneering aerospace company located in San Jose, California, dedicated to the development of an all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to enhance sustainable air mobility by creating aircraft that can transport four passengers with minimal noise and environmental impact.We are driven by ambitious goals and complex challenges, and we believe that a diverse workforce fosters innovation, enhances insights, and propels us toward collective success. Our commitment to an equitable and inclusive environment celebrates the unique contributions of each team member.What You Will Do:Conduct low, mid, and high-fidelity aerodynamic simulations for Archer's eVTOL aircraft.Develop linear and non-linear aerodynamic models to forecast aircraft behavior and performance across the flight envelope.Analyze experimental data from flight tests or wind tunnel experiments to identify model error sources, validate, and enhance aerodynamic models.Create efficient methodologies to integrate flight test data into aerodynamic simulation models of varied fidelity and complexity.Contribute to the advancement of Archer's aerodynamic software stack, optimizing methods and workflows.Collaborate with cross-functional teams and pilots for updates to flight simulator aerodynamic modeling and issue resolution.

Etched develops AI inference systems optimized for transformer architectures. The company’s ASIC technology is designed to deliver significantly higher performance and lower latency than traditional solutions, supporting applications like real-time video generation and parallel reasoning agents. Etched is backed by major venture capital firms and led by an experienced engineering team. Role overview The Advanced IC Packaging Team in San Jose is seeking a Thermo-Mechanical & CFD Simulation Engineering Intern. This internship centers on Chip-on-Wafer-on-Substrate (CoWoS) package development for high-performance computing systems. The role involves hands-on simulation work using ANSYS Mechanical APDL and ANSYS FLUENT. What you will do Create Finite Element Analysis (FEA) models for CoWoS integrated circuit packages in ANSYS Mechanical APDL. Conduct thermo-mechanical stress and strain analyses, including thermal cycling simulations. Evaluate package warpage, solder joint reliability, and interconnect stress. Develop Computational Fluid Dynamics (CFD) models in ANSYS FLUENT to simulate solder reflow. Collaborate with design engineering teams throughout package development.

Join Couchbase Inc. as a Principal Software Engineer and play a pivotal role in designing and implementing innovative software solutions. You will collaborate with cross-functional teams to drive the technical direction of our products, ensuring high performance and scalability. Your expertise will guide the development of robust systems that meet customer needs and industry standards.

Join archer56 as a Staff Software Engineer specializing in Engineering Applications. In this pivotal role, you will leverage your extensive software engineering expertise to develop innovative solutions that enhance our engineering capabilities. Collaborate with cross-functional teams to design, implement, and optimize applications that streamline engineering processes and improve productivity.

Join Extreme Networks, a global leader in cloud-driven networking solutions trusted by over 50,000 customers worldwide. Our innovative services empower organizations to enhance their digital transformation journeys, yielding remarkable progress and scalability. With a consistent double-digit growth year over year, we stand out as a premier provider committed to delivering exceptional outcomes.At Extreme, inclusion is woven into our core values. We are dedicated to cultivating a diverse and inclusive workplace where every employee thrives, and their unique perspectives contribute to our collective success.Be a part of something significant with Extreme! Discover why now is the perfect time to join our dynamic team.

About Tessera Labs: At Tessera Labs, we are pioneering the integration of Artificial Intelligence into enterprise operations. Supported by Foundation Capital and led by an exceptional founding team, we create advanced multi-agent AI systems designed to automate intricate business workflows across various platforms including SAP, Salesforce, Workday, Snowflake, and MuleSoft. Our mission is to deliver genuine AI automation to enterprises with unmatched speed, precision, and measurable outcomes. We thrive on rapid execution, embrace accountability, and innovate at the cutting edge of applied AI.Job Overview:We are on the hunt for a dynamic Frontend Engineer who flourishes in a fast-moving, high-responsibility startup atmosphere. This hands-on position is ideal for a proactive individual who is ready to take charge of the user experience from ideation through to deployment. You will be expected to iterate swiftly based on user feedback while optimizing for performance, usability, and speed. Your role will involve designing and developing intricate UI components, interactive dashboards, and data visualizations that have a direct influence on our end users.If you are passionate about tackling challenging UI problems, delivering polished interfaces at a rapid pace, and collaborating in a supportive, low-ego environment, we invite you to apply for this exciting opportunity.

About EtchedEtched is pioneering the world's first AI inference system specifically designed for transformers, achieving over 10x higher performance, significantly reduced costs, and minimal latency compared to B200 systems. Our custom ASICs enable the development of innovative products that were previously unattainable with GPUs, such as real-time video generation models and advanced chain-of-thought reasoning agents. With substantial backing from leading investors and a team of top engineers, Etched is revolutionizing the infrastructure of one of the fastest-growing industries in history.Key ResponsibilitiesAssist in porting cutting-edge models to our architecture and contribute to the development of programming abstractions and testing capabilities to streamline the model porting process.Develop, enhance, and scale Sohu’s runtime, focusing on multi-node inference, intra-node execution, state management, and effective error handling.Optimize routing and communication layers utilizing Sohu's collectives.Employ performance profiling and debugging tools to pinpoint bottlenecks and correctness challenges.Ideal Candidate ProfileStrong proficiency in C++ or Rust programming languages.Solid understanding of performance-critical and complex distributed software systems, including Linux internals, accelerator architectures (e.g., GPUs, TPUs), compilers, and high-speed interconnects (e.g., NVLink, InfiniBand).Familiarity with machine learning frameworks such as PyTorch or JAX.Experience in porting applications to non-standard accelerator hardware or platforms.Preferred QualificationsExperience in developing low-latency, high-performance applications using both kernel-level and user-space networking stacks.In-depth understanding of distributed systems concepts, algorithms, and challenges, including consensus protocols and communication patterns.Thorough knowledge of Transformer architectures, particularly Mixture-of-Experts (MoE).Experience building applications with substantial SIMD (Single Instruction, Multiple Data) optimizations for performance-critical paths.BenefitsHealth Insurance401k

Join a thriving community of over 50,000 customers worldwide who trust our innovative, cloud-driven networking solutions. At Extreme Networks, we empower organizations to accelerate their digital transformation and achieve remarkable progress through our award-winning services and unwavering support. With consistent double-digit growth each year, we are uniquely positioned to deliver scalable outcomes that transform businesses.At our core, we value inclusion and diversity, creating a workplace where every employee can flourish because of their unique perspectives and experiences. We believe that our differences are our strength, and we are dedicated to fostering an environment that supports everyone’s success.Now is the perfect time to become part of something significant with Extreme! As a global leader in networking, discover the exceptional opportunities that await you on the Extreme team.

San Jose or LA CA (Hybrid)At FloQast, we are revolutionizing the way accounting teams function with our AI-driven workflows. Our platform is trusted by thousands of companies worldwide, serving as a comprehensive operating system for accounting that streamlines intricate financial processes into efficient, dependable, and scalable systems.We are in search of a Staff Software Engineer who not only develops software but also contributes to shaping platforms, enhances team efficiency, and drives substantial impact. In this pivotal role, your architectural choices will significantly affect the entire FloQast application ecosystem, directly fostering innovation across our product offerings.

At Efficient, we are on a mission to create the world's most energy-efficient general-purpose computer processor. Our patented technology utilizes an astonishing 100 times less energy than the leading ultra-low-power processors available today. This groundbreaking efficiency allows for continuous AI/ML operations on just a AA battery for a remarkable 5-10 years. Our platform's unparalleled efficiency empowers IoT devices to intelligently gather and curate first-party data, paving the way for the next computing revolution.We invite a Senior Software Optimization Engineer to join our dynamic team at Efficient. In this pivotal role, you will design, optimize, and deploy applications for our state-of-the-art programmable processor known as the “Fabric.” You will take ownership of complex, performance-critical applications, collaborating closely with our compiler team to implement customer specifications, validate software quality, and offer deep technical insights into compiler interactions. This position presents a unique opportunity to engage in cutting-edge hardware/software co-design, while making an immediate impact in advancing the next generation of embedded applications.

Role overview itD seeks an Embedded Diagnostic Software Engineer to design, develop, and validate embedded diagnostic solutions. This position plays a key part in system reliability, performance, and smooth integration between hardware and software. The work centers on hands-on embedded systems development and low-level programming. The engineer will address complex interactions between hardware and software, debug challenging issues, and deliver code ready for production use. Location This is a hybrid position based in San Jose, CA. Expect to be onsite four days per week, with flexibility for five days onsite as needed. Compensation The hourly pay range is $55 to $62. Requirements Extensive experience in embedded systems development Strong low-level programming skills Demonstrated ability to debug complex hardware and software issues Track record of delivering production-quality solutions Benefits Medical coverage 401k plan Paid holidays Additional benefits included Additional details Direct W2 candidates only No sponsorship available