Senior Engineer in Modeling & Simulation

Join OKX as a Staff AI Engineer specializing in Model Post-Training and Alignment. In this pivotal role, you will lead initiatives that enhance the performance and alignment of AI models. You will work with cutting-edge technologies and collaborate with cross-functional teams to drive innovation in AI solutions.

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 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.

About EtchedEtched is pioneering the development of the world's first AI inference system specifically designed for transformer architectures, achieving over 10x greater performance and significantly reduced costs and latency compared to conventional solutions like the B200. With Etched's custom ASICs, you can create innovative products that were previously unattainable with GPU technology, such as real-time video generation models and advanced deep reasoning agents. Supported by substantial investments from top-tier venture capitalists and a team of elite engineers, Etched is transforming the foundational technology layer for the most rapidly evolving sector in history.Job SummaryWe are on the lookout for a talented and driven Post-Silicon Validation Engineer to become part of our vibrant team. The successful candidate will play a pivotal role in bringing up, validating, and characterizing ASICs from the initial silicon phase through to the production ramp-up. This critical position ensures the functional accuracy, performance integrity, and reliability of our advanced AI and machine learning accelerator hardware, facilitating the successful launch of our innovative products.

At Extreme Networks, we serve over 50,000 customers worldwide with our cutting-edge, cloud-driven networking solutions. Our clients rely on our award-winning services and exceptional support to propel their digital transformation initiatives, achieving remarkable advancements in their operations. With consistent double-digit growth each year, we are uniquely positioned to deliver scalable results.We prioritize inclusion as one of our core values, fostering a workplace that embraces diversity and cultivates an environment where every employee can thrive. Join us and be part of a team that values your unique contributions!Take the opportunity to be a part of something monumental at Extreme! As a global leader in networking, now is the perfect time to join our innovative team.Position: AI Staff Machine Learning Engineer - Generative AI, Machine Learning, Graph ML, Big DataExperience: 5 to 14 YearsWork Arrangement: Hybrid/RemoteOur AI Core group is at the forefront of developing platforms and solutions centered around Generative AI, including AI Agents, Retrieval-Augmented Generation (RAG), Knowledge Bases, Data Mining, Anomaly Detection, and fine-tuning Large Language Models (LLM). These innovations drive our flagship Extreme products while paving the way for entirely new offerings. We are committed to transforming how businesses manage networks by creating intelligent, high-performance multi-agent systems that can perceive, learn, and act in real-time. At Extreme, innovation is not just welcomed; it is expected. Join us to help shape the future of network intelligence!

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 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.

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.

Location: San Jose or Los Angeles, CA (Hybrid)At FloQast, we are on a mission to revolutionize the way accounting teams function by leveraging AI-driven workflows. Our platform, recognized and trusted by thousands of companies worldwide, serves as a robust operating system for accounting, simplifying complex financial processes into quick, dependable, and scalable systems.We are seeking a Senior Staff Software Engineer who is not just a software builder, but a platform architect who accelerates team performance and catalyzes significant innovations.This pivotal role involves making architectural choices that will shape the entire FloQast application ecosystem, significantly enhancing innovation across our product suite.

Nagarro is seeking a talented and motivated Associate Staff Engineer to join our dynamic engineering team in San Jose. In this role, you will contribute to innovative projects, collaborate with cross-functional teams, and help drive technical solutions that impact our clients. This position is ideal for individuals eager to grow their skills in a fast-paced environment.

Archer Aviation, located in San Jose, California, is a pioneering aerospace firm dedicated to developing an all-electric vertical takeoff and landing aircraft. Our mission is to propel the advantages of sustainable air mobility forward. We are innovating in the design, manufacturing, and operation of an all-electric aircraft capable of transporting four passengers while minimizing noise pollution.We set ambitious goals and tackle challenging problems, believing that a diverse workplace enhances our intelligence, fosters better insights, and ultimately leads to collective success. We are committed to nurturing an equitable and inclusive environment that values our differences and supports every team member. Key Responsibilities:Develop, maintain, and enhance Archer's network infrastructure.Design and implement LAN/WAN solutions, including SD-WAN technology.Collaborate with the Information Security team to align with security strategies and plans.Provide support and troubleshoot network-related issues, including after-hours assistance as needed.Coordinate with vendors regarding the scope of services, project timelines, execution, and acceptance of deliverables.Create and maintain comprehensive documentation of network topology and standards.Conduct research and document comparisons for cost, vendors, and services.Execute procedures to meet compliance requirements (SOX, ISO, etc.).Draft internal procedure documentation and client-facing knowledge base articles.Generate, update, and communicate network metrics to the IT Leadership Team.

Join dstaff as a Staff Cloud Engineer and play a crucial role in building and maintaining our cloud infrastructure. You will work with a talented team to develop scalable cloud solutions that meet our clients' needs. Your expertise in cloud technologies will contribute to the success of our projects, enhancing our service delivery.

Join Renesas Electronics Corporation as a Staff Application Engineer, where you will play a pivotal role in designing and implementing innovative solutions that drive our business forward. Collaborate with cross-functional teams to develop cutting-edge applications that enhance our product offerings and meet customer needs.

About Zscaler Zscaler drives digital transformation for organizations worldwide, helping customers operate with agility, efficiency, resilience, and security. The company’s cloud-native Zero Trust Exchange platform uses one of the world’s largest security data lakes to protect clients from cyber threats and data breaches. Zscaler securely connects users, devices, and applications, no matter where they are. Here, results matter more than titles. Teams value transparency, encourage honest and constructive discussion, and move quickly to deliver quality outcomes. Zscaler’s culture centers on customer focus, collaboration, ownership, and accountability. The company looks for innovators who use AI to make a real impact and who thrive in an environment that uses intelligent systems to stay ahead of emerging threats. Role Overview The Staff AI Engineer, People & Culture Technology, joins Zscaler’s IT/Corporate Apps department in a hybrid role based in San Jose, California. This position reports to the Director of Enterprise Systems Programming and requires in-office presence three days per week. What You Will Do Advance the HR technology stack by combining deep Workday knowledge with AI-driven development. Use AI-assisted coding and agentic workflows to build automated solutions for People & Culture (HR) challenges. Enhance intelligent employee experiences across the HR ecosystem. Who Thrives Here Engineers who enjoy high-impact, high-accountability work and move with urgency. Those motivated by purpose and skilled at solving complex problems. People who want to help secure the future of AI-driven cybersecurity. If this describes your approach, Zscaler welcomes your expertise to help shape the next era of cybersecurity.

About the OpportunityJoin a leading global networking organization that is revolutionizing the way businesses manage their networks. Our AI Core group is pioneering innovative platforms in Generative AI, AI Agents, RAG, Knowledge Bases, Data Mining, Anomaly Detection, and LLM fine-tuning, all of which are integral to our flagship products and the creation of new offerings. Here, innovation is not just welcomed; it's a fundamental expectation.The RoleAs an AI ML Engineer, you will serve as a pivotal technical leader and thought leader, influencing our ML strategy and developing intelligent, high-performance multi-agent systems that can perceive, learn, and react in real time.Your ResponsibilitiesDefine and guide the technical vision for ML solutions across our products and platforms.Oversee the complete software development lifecycle, from design and code reviews to deployment and operational management.Design high-performance, scalable microservices, including both synchronous and asynchronous web services.Create real-time inference pipelines for complex models utilizing Triton, TensorRT, and mixed-precision computing.Mentor fellow engineers, establish technical direction, and cultivate a robust team culture.Promote engineering excellence, system resilience, and ongoing operational enhancements.

Join Renesas Electronics, a global leader in advanced semiconductor solutions, as a Staff Application Engineer. In this pivotal role, you will leverage your expertise to develop and enhance innovative applications that drive the future of technology.As a part of our dynamic team in San Jose, you will collaborate with cross-functional teams to deliver exceptional solutions that meet client needs. Your contributions will be vital in shaping the next generation of electronic products.

Join Renesas Electronics as a Staff Application Engineer, where you will play a crucial role in shaping the future of technology. You will be responsible for developing innovative applications and solutions that leverage our cutting-edge semiconductor products. Your expertise will directly contribute to the success of our clients and the growth of our company.

About ZscalerZscaler stands at the forefront of zero trust security, serving as a global leader in safeguarding the digital landscape. Major corporations, vital infrastructure entities, and government agencies trust Zscaler to protect users, branches, applications, and devices while also driving their digital transformation efforts. Our Zero Trust Exchange platform, enhanced by advanced AI, defends against billions of cyber threats daily, streamlining operations and boosting productivity for modern enterprises by minimizing costs and complexity.At Zscaler, we prioritize impact over titles, fostering a culture where trust is established through results. We value transparency and encourage constructive, honest discussions to quickly identify the best ideas. Our high-performing teams are designed to deliver impactful results with excellence. We're dedicated to cultivating a culture of execution focused on customer obsession, collaboration, ownership, and accountability.We advocate for an “AI Forward, People First” philosophy to spur innovation and empower our teams to realize their full potential. If you are motivated by purpose, enjoy tackling complex challenges, and aspire to make a meaningful impact on a global scale, Zscaler invites you to contribute your talents to redefine the future of cybersecurity.RoleWe are seeking a Senior Software Development Engineer to join our innovative Engineering team. This hybrid position is based in our San Jose, CA office and reports directly to the Director of Software Engineering. Our Engineering team has developed the world’s largest cloud security platform from inception, and we continue to grow. With over 100 patents and ambitious plans to enhance our services and expand our global reach, we have established ourselves as a leader in cloud security, serving over 15 million users across 185 countries. Join us and collaborate with a team of cloud architects, software engineers, and security specialists, enabling organizations globally to leverage speed and agility through a cloud-first strategy.What you’ll do (Role Expectations)