Staff AI Engineer - Model Post-Training and Alignment

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.

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 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.

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.

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 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.

Join archer56 as a Senior Sensor Modeling Engineer, where you will play a pivotal role in advancing our sensor technologies. You will be responsible for developing advanced modeling techniques that enhance the performance of our sensor products. This position involves collaborating with cross-functional teams to ensure our sensors meet the highest quality and performance standards.

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.

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 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 Inc., based in San Jose, California, develops all-electric vertical takeoff and landing (eVTOL) aircraft. The company focuses on sustainable air mobility and reducing noise pollution, aiming to reshape the future of transportation. Archer values an inclusive and diverse workplace that encourages innovation. Role overview The Aerodynamics Engineer - Modeling & Optimization will work on aerodynamic analysis and model development for Archer's eVTOL aircraft. This position centers on improving simulation accuracy and supporting the advancement of Archer’s aerodynamic software tools. What you will do Run aerodynamic simulations for eVTOL aircraft using models of varying fidelity. Create both linear and non-linear aerodynamic models to predict aircraft performance in different flight conditions. Analyze data from flight tests and wind tunnels to find discrepancies, validate, and refine aerodynamic models. Integrate flight test data into simulation models using established techniques. Help improve Archer’s aerodynamic software suite by optimizing methods and workflows. Work closely with cross-functional teams and pilots to ensure accurate modeling and resolve technical issues.

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.

Job Overview:We are on the lookout for a skilled and meticulous Data Designer and Model to become an integral part of our team. The successful candidate will play a vital role in crafting and organizing data models, ensuring the development and upkeep of data solutions that are efficient, scalable, and effective. This position demands a robust comprehension of data architecture, data flow, and the deployment of modeling techniques to fulfill both business and analytical requirements.Key Responsibilities:Data Modeling: Design, develop, and maintain comprehensive data models, including logical, physical, and conceptual frameworks. Ensure these models are in line with business objectives and system specifications.Data Architecture: Establish and oversee data architecture frameworks that cater to the organization's business intelligence, reporting, and data integration demands.Data Analysis and Design: Evaluate business requirements and convert them into functional data models. Collaborate with stakeholders to identify data needs and refine designs accordingly.Data Quality Assurance: Guarantee data integrity, precision, and quality through the creation of effective validation rules and standards for data models.Database Design: Create both normalized and denormalized database structures to enhance data storage, retrieval, and processing efficiency.ETL and Data Integration: Partner with data engineers to devise and implement ETL (Extract, Transform, Load) processes, ensuring seamless integration of diverse data sources into the data warehouse.

Job Overview:Join our innovative team as a Data Designer and Model Specialist. In this pivotal role, you'll be tasked with the design and structuring of data models that are not only efficient but also scalable and effective. A solid grasp of data architecture, data flow, and modeling techniques is essential to cater to both business and analytical needs.Key Responsibilities:Data Modeling: Create, develop, and uphold comprehensive data models, including logical, physical, and conceptual frameworks. Ensure alignment with business objectives and system specifications.Data Architecture: Design and oversee data architecture frameworks that facilitate the organization's business intelligence, reporting, and data integration requirements.Data Analysis and Design: Evaluate business requirements to translate them into functional data models. Collaborate with stakeholders to refine and optimize design based on data needs.Data Quality Assurance: Uphold data integrity, accuracy, and quality by establishing effective validation rules and standards for data models.Database Design: Construct both normalized and denormalized database structures to enhance data storage, retrieval, and processing capabilities.ETL and Data Integration: Partner with data engineers to design and execute ETL (Extract, Transform, Load) processes, ensuring seamless data integration from diverse sources into the data warehouse.

Archer, headquartered in San Jose, California, develops all-electric vertical takeoff and landing aircraft designed for sustainable air mobility. The company’s aircraft are built to carry four passengers and operate with minimal noise. Archer encourages ambitious problem-solving and values a diverse, inclusive workplace where every team member is supported. Role overview The Senior Platform Engineer joins the platform engineering group and plays a key role in accelerating product development and streamlining operations. This position focuses on integrating development, infrastructure, and AI/ML projects. Major responsibilities involve automation, creating self-service infrastructure, and improving workflow efficiency. What you will do Integrate development, infrastructure, and AI/ML initiatives to support product and operational goals Automate processes and build tools for self-service infrastructure Identify and optimize workflows to increase efficiency across teams Requirements Extensive engineering experience, especially in platform or infrastructure roles Strong interest in supporting colleagues and solving complex, cross-disciplinary challenges

Join our dynamic team at AECOM as a Senior Traffic Engineer, where you will play a pivotal role in supervising traffic engineering projects. Your expertise will contribute to innovative traffic solutions, enhancing urban mobility and safety. You will collaborate with cross-functional teams to design and implement effective traffic management strategies, ensuring efficient and sustainable transportation systems.

Archer Aviation is an innovative aerospace company located in San Jose, California, dedicated to developing an all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to enhance sustainable air mobility by designing, manufacturing, and operating an aircraft that transports up to four passengers while minimizing noise and environmental impact.At Archer, we are driven by ambitious goals and complex challenges. We believe that workplace diversity enhances our intelligence, fosters better insights, and propels us toward collective success. We are committed to creating an equitable and inclusive environment that celebrates our differences and supports all team members.About The Role:In this pivotal position, you will help scale the production of our High Voltage Electric Propulsion System (HVPS), the core of our eVTOL aircraft, which encompasses the High Voltage Battery, Electric Motor, and Propeller assemblies. This system represents one of the most technically advanced and automated manufacturing processes within our facility.We are looking for a Senior Process and Equipment Engineer to ensure that our powertrain manufacturing systems operate at peak efficiency. This role is part of the Manufacturing Design Engineering team, responsible for enhancing the reliability, uptime, and continuous improvement of our cutting-edge powertrain manufacturing equipment in a high-throughput production setting. You will join a team that aligns with your skill set, whether it be HVPS, EPS, or Automation Controls.You will engage in hands-on, highly technical work and be accountable for resolving intricate manufacturing challenges, often under production pressures. The ideal candidate will possess strong engineering judgment, a structured approach to problem-solving, and a proactive mindset. You will take ownership of a core technical domain while broadening your influence across our automated equipment and manufacturing landscape.We welcome candidates with a mechanical/process focus, controls/automation expertise, or a robust combination of both.

Trackonomy Systems is seeking a Senior NPI Engineer specializing in Electrical Engineering to help drive the next generation of technology solutions from our San Jose location. Role overview This position plays a key part in Trackonomy’s mission to develop technology that improves safety and security across industries. The Senior NPI Engineer will contribute to projects that range from fire prevention systems to advanced security measures, supporting initiatives that have a real-world impact. Collaboration and community At Trackonomy, every team member is valued as a core contributor. The company fosters a culture where each person’s input shapes the vision and direction. Expect to work closely with senior leaders and colleagues from different departments, building connections that support both personal and professional growth. Professional development Trackonomy emphasizes learning through hands-on experience and collaboration. This role offers the chance to take on varied responsibilities, learn directly from experienced leaders, and influence the scope of your work based on your skills and achievements. The company values ambition, innovation, and the drive to make a difference, providing an environment where merit and opportunity are prioritized. Purpose and impact Work at Trackonomy centers on delivering technology that makes a difference. The solutions developed here not only transform industries but also contribute to saving lives. Senior NPI Engineers play a central role in this mission, helping bring new products to market that address critical challenges.