Thermal Analysis Engineer for Battery Systems

Join Archer, a pioneering aerospace company headquartered in San Jose, California, where we are dedicated to revolutionizing sustainable air mobility through the development of all-electric vertical takeoff and landing (eVTOL) aircraft. Our innovative designs prioritize minimal noise and environmental impact while enabling efficient transportation for up to four passengers.At Archer, we are committed to tackling complex challenges and fostering a diverse workplace, believing that inclusivity drives greater insights and collective success. We strive to create an equitable environment that values and celebrates the unique contributions of all our team members.Your Role:As a Battery Controls Engineer, you will be instrumental in defining, validating, implementing, and verifying advanced high-voltage battery charging and thermal management algorithms tailored for our Midnight eVTOL aircraft. You will oversee the entire product development life cycle, from initial concept to final certification.Design and enhance cutting-edge control algorithms for high-voltage battery charging and thermal management.Conduct comprehensive validation of control software through SIL (Software-in-the-Loop), MIL (Model-in-the-Loop), HIL (Hardware-in-the-Loop), and aircraft-level integration testing to ensure optimal system reliability under all operating and environmental conditions.Analyze lab, flight, and field data to troubleshoot complex issues, refine algorithms, and enhance charging performance continuously.Collaborate closely with hardware, software, and systems engineering teams to establish requirements for charge control subsystems.

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 promote sustainable air mobility, designing, manufacturing, and operating an aircraft that accommodates four passengers while minimizing noise pollution.We aim high and tackle complex challenges, believing that a diverse workforce enriches our insights and propels us towards collective success. Archer is committed to fostering an equitable and inclusive environment that values differences and celebrates each team member.What You’ll Do:As a Battery Controls Integration Engineer at Archer, your primary responsibilities will include the integration of our high-voltage battery controls system onto test platforms, ensuring the verification of Battery Management System (BMS) safety-critical functions. This role is essential for facilitating the use of electric vertical-takeoff-and-landing aircraft in urban air mobility settings. Your contributions will encompass all stages of the product development lifecycle, including development, implementation, validation, and ongoing improvement.Core Responsibilities and Development Focus:Verification and Testing Strategy: Design and implement verification procedures and test plans across various testing environments including Simulation, Software-in-the-Loop (SIL), and Hardware-in-the-Loop (HIL).Integrated Testing Ownership: Lead the testing of the Battery Management System (BMS) controls hardware/software integrated system functionalities on safety-critical components, utilizing HIL, SIL, and high-voltage (HV) integrated labs.Automation and Infrastructure: Update and maintain automated test cases in alignment with BMS functionality development for effective verification and regression testing, particularly in model-based environments.Test System Development: Offer commissioning and maintenance support for the comprehensive testing infrastructure required for HIL testing of BMS controls, algorithms, and software.Process and Infrastructure Improvement: Take responsibility for the automated testing platform, enhancing efficiency, accuracy, and automation level for BMS control system verification. Contribute to continuous improvement of test infrastructure, including writing and debugging test scripts for HV HIL systems.Cross-Functional Collaboration and Integration:...

Archer, an innovative aerospace company located in San Jose, California, is pioneering the development of an all-electric vertical takeoff and landing aircraft. Our mission is to enhance sustainable air mobility, designing and manufacturing aircraft capable of carrying four passengers with minimal noise pollution.We set ambitious goals and tackle complex challenges, believing that a diverse workplace fosters smarter solutions and deeper insights, driving our collective success. We are committed to creating an equitable and inclusive environment that values our differences and supports all team members.What You’ll DoLead and execute comprehensive abuse testing for cells, modules, and battery packs, focusing on Thermal Runaway, Short Circuit, Over-Temperature, Overcharge, and Overdischarge scenarios.Conduct thorough data analysis and compile detailed reports.Design and develop sub-scale and full-scale test rigs for Safety/Abuse tests, including PCBA/hardware and software integration.Create and deploy custom thermal abuse test equipment and controllers.Develop bespoke test equipment and automation software to facilitate cross-functional battery R&D testing.Utilize NX CAD software for the mechanical design of test rigs.Enhance test development using LabVIEW, Python, and other relevant tools.Assist in the assembly of small-scale buck and prototype builds.Provide support for troubleshooting and preventative maintenance of battery testing equipment and setups.Contribute to failure review processes.Work alongside the battery engineering team on cell, buck, and pack teardown procedures.Innovate and implement new test procedures, executing them effectively.Generate reports for submission to the FAA.

Archer Aviation, an innovative aerospace firm headquartered in San Jose, California, is on a mission to revolutionize air travel with our all-electric vertical takeoff and landing aircraft. Our commitment to sustainable air mobility drives us to design, manufacture, and operate an aircraft capable of carrying four passengers while minimizing noise pollution.We are passionate about addressing complex challenges and believe that a diverse workforce enhances our problem-solving capabilities, leading to superior insights and success. We strive to foster an equitable and inclusive workplace that celebrates the unique contributions of every team member.Key Responsibilities:Conduct verification and validation of safety-critical software components for the aircraft battery management system (BMS) in alignment with DO-178C standards.Develop and document detailed test plans, cases, and procedures based on software requirements.Perform Software-in-the-Loop (SIL) and Hardware-in-the-Loop (HIL) testing to validate battery algorithms and drivers.Identify, document, and manage software defects using automated tracking systems; collaborate with development teams to analyze root causes and validate resolutions.Create and uphold automated test scripts and frameworks (C/C++, Python) to optimize testing efficiency and coverage.Design and implement tests for verifying software fault detection and diagnostic algorithms, including insulation breakdown, short circuits, and sensor failures.Analyze sensor data (cell voltages, pack current) and test outcomes to ensure accurate state estimation and protective function performance.Engage in software audits and reviews to ensure compliance with DO-178C certification requirements.

About Archer Aviation Archer Aviation, based in San Jose, California, is developing an all-electric vertical takeoff and landing (eVTOL) aircraft designed for sustainable air mobility. The company aims to create a quiet, environmentally conscious aircraft that seats four passengers. Archer values ambitious goals, technical challenges, and a workplace that welcomes diverse perspectives and backgrounds. Role Overview: Battery Test Engineer - Electrical The Battery Test Engineer - Electrical will focus on the testing and validation of battery and battery management system (BMS) components for Archer's eVTOL aircraft. This role involves hands-on work with prototype and certified hardware, as well as collaboration with multiple engineering teams. Main Responsibilities Conduct systems and integration testing for prototype and certified battery and BMS components. Work with teams across BMS, Controls, Engines, Flight, Integration, and Systems to develop and execute testing plans for flight hardware. Assist with regression testing activities. Support testing related to electromagnetic compatibility (EMC), short circuit, and electrical design infrastructure. Develop and test mission profiles for battery systems. Help build digital testing infrastructure for data storage and analysis. Analyze test data and collaborate with engineering teams to drive improvements. Design and implement automated test equipment as needed. Support electrical infrastructure design for Production and Reliability labs. Prepare technical reports for FAA regulatory submissions.

Archer Aviation, based in San Jose, California, develops all-electric vertical takeoff and landing aircraft. The company focuses on advancing sustainable air mobility, designing vehicles that carry four passengers and operate with low noise. Archer values a diverse team and aims to create an inclusive workplace where different perspectives drive better solutions. The company encourages collaboration and respects the unique contributions of every employee. Role Overview The Senior Battery Design Engineer will lead efforts to design high voltage battery pack components for multiple aircraft programs, including both commercial and defense projects. This role covers the full design process, from initial concept through completion. What You Will Do Lead design of high voltage battery pack components across various aircraft programs, from concept to final product. Collaborate with CAE engineers, quality assurance, testing, supply chain, and manufacturing teams to ensure strong design and product quality. Provide hands-on support for prototyping, assembly, and troubleshooting throughout the design cycle. Work with integration and certification teams to meet all FAA certification requirements. Develop innovative battery designs tailored to the demands of aerospace applications.

Archer Aviation is a pioneering aerospace firm headquartered in San Jose, California, dedicated to developing an all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to enhance sustainable air mobility, designing and manufacturing an aircraft that can transport four passengers with minimal noise and environmental impact.We aim high and tackle challenging problems, believing that a diverse workforce fosters innovation, insights, and collective success. Our commitment is to create an equitable and inclusive workplace that values our unique perspectives and supports every member of our team.Key Responsibilities:Conduct electrical and environmental testing of prototype and certified batteries for eVTOL aircraft.Collaborate with cross-functional teams to create and implement test plans for flight-critical hardware.Execute acceptance testing on battery modules, packs, and charge port assemblies.Design sub-scale test rigs for mechanical and environmental testing, involving PCBA/hardware and software development.Develop and deploy custom test equipment and controllers.Create bespoke test equipment and automation software to facilitate cross-functional battery R&D testing.Perform mechanical design of test rigs using NX CAD software.Utilize LabVIEW, Python, and other test development tools for testing purposes.Analyze test data and collaborate with engineering teams to share insights.Develop automated test equipment as required.Innovate test procedures and oversee testing execution.Generate reports for FAA submission.

At Archer, we are pioneering the future of aviation with our all-electric vertical takeoff and landing aircraft, designed to enhance sustainable air mobility. Our innovative engineering team is dedicated to creating an aircraft that accommodates four passengers with minimal noise pollution.We believe that tackling complex challenges requires a diverse team, and we are committed to fostering an inclusive workplace that values and celebrates our unique perspectives. Join us in our mission to revolutionize air travel.Key Responsibilities:As an Electrical Analysis Engineer, you will play a critical role in the analysis of circuits within Archer's high voltage battery management system. Your contributions will directly impact the safety and reliability of our innovative aircraft.Conduct thorough circuit schematic analyses, collaborating with safety engineers to identify potential single-point failures.Evaluate the system-level implications of individual component failures within printed circuit board assemblies (PCBAs).Aggregate power consumption data of the BMS PCBAs across various operational modes and correlate findings with laboratory tests.Perform worst-case accuracy analyses on measurement circuits.Utilize circuit simulation tools to model and analyze hardware circuits to support accuracy evaluations.Employ software for automated circuit analysis to facilitate schematic-level Failure Modes and Effects Analyses (FMEAs).Assess the system-level impacts of single-event upsets and latch-ups.Collaborate with reliability engineers to understand electrical operating conditions and determine failure rates.Carry out electrical stress analyses and component derating evaluations for individual components.Work closely with design engineers to ensure BMS hardware meets Archer's stringent safety, accuracy, and reliability standards.

Archer Aviation is developing all-electric vertical takeoff and landing (eVTOL) aircraft in San Jose, California. The company’s mission centers on creating sustainable air mobility solutions, with aircraft designed to carry four passengers while minimizing noise for quieter, cleaner transportation. Archer values diversity and inclusion, encouraging every team member’s perspective and fostering equity throughout the workplace. Role overview The Senior Staff Engineer - Battery Cell Stack will lead the design and development of high-voltage battery pack components for both commercial and defense eVTOL aircraft. This position plays a key role in shaping battery technology for multiple aircraft programs. What you will do Oversee the full design process for high-voltage battery pack components across several aircraft platforms. Collaborate with CAE engineers, quality assurance, testing, supply chain, and manufacturing teams to align on project goals. Engage in hands-on prototyping, assembly, and root cause analysis during the design cycle. Work with integration and certification teams to ensure battery systems meet FAA certification standards. Create and refine battery design solutions that fulfill strict aerospace requirements. Establish and promote design standards and best practices for Archer’s battery systems. Mentor junior engineers working on battery design. Develop and maintain the battery hardware technology roadmap for future products and applications.

About Archer Aviation Archer Aviation, based in San Jose, California, is developing all-electric vertical takeoff and landing aircraft designed to transport four passengers with low noise and minimal environmental impact. The company is committed to advancing sustainable air mobility and values a diverse, equitable, and inclusive workplace where every team member can grow professionally. Role Overview The Battery Test and Build Technician will support the design, assembly, and testing of battery systems and related components. This hands-on role involves building prototypes, supporting equipment assembly, and assisting with battery charging operations for ongoing projects. What You Will Do Build battery packs, cell bucks, and components for Battery BMS, including design and testing tasks. Assist with assembling Battery EOL (End of Line) equipment. Support mechanical builds for advanced project testing. Fabricate securing hardware and harnesses for use with testing equipment and assets. Construct test fixtures for cells, bucks, and packs. Perform small-scale buck and prototype builds. Assist with battery pack charging operations. Location San Jose, California, United States

Join Pearce Services as an Electrician specializing in EV Charging Field Services! We are seeking skilled electricians who are passionate about electric vehicle technology and committed to providing exceptional service in the field. You’ll be responsible for installing, maintaining, and repairing EV charging stations, ensuring they operate efficiently and safely.

At Antora, we are revolutionizing industrial energy solutions by developing advanced thermal batteries designed to deliver continuous, low-cost energy for industrial operations. Proudly manufactured in the U.S., our modular thermal batteries provide dependable heat and power, empowering industrial facilities of any size to achieve predictable and profitable decarbonization. We are on a mission to electrify global industry while supporting American manufacturing, reducing energy costs for consumers, and enhancing the competitiveness of U.S. industry.We are expanding our team with individuals who prioritize collaboration and purpose, cherish connection through laughter and joy, and approach their work with humility and openness. Our commitment to fostering a diverse, passionate, and innovative team is unwavering as we strive for a future where every industrial facility worldwide is powered by abundant, clean, low-cost energy.Position SummaryWe are on the lookout for a Senior / Staff Systems Engineer in San Jose—an enthusiastic, inquisitive, and dedicated engineer to join our Technology Development team. Your expertise will contribute to delivering zero-carbon industrial heat and power through our innovative solid-state thermal battery solutions.This role is deeply collaborative and central to system innovation. You will engage across various disciplines to influence the architecture and operational philosophy of Antora’s future offerings. Leveraging first-principles modeling, data analytics, and real-world performance insights, you will accelerate our mission to decarbonize the industrial sector at scale.

Western Digital seeks a Servo Control Engineer in San Jose to design and develop servo control systems for advanced storage products. This position centers on improving the performance and reliability of data storage technologies. Role overview As a Servo Control Engineer, work closely with a team of engineers to create and implement solutions for servo systems. The focus is on enhancing storage product capabilities through technical innovation and practical design. What you will do Design and develop servo control systems for storage devices Implement solutions that improve product performance Collaborate with engineering teams on new and existing projects Requirements Experience in servo control systems design and development Ability to work effectively within an engineering team

Archer Aviation Inc. is a pioneering aerospace company headquartered in San Jose, California, focused on developing an all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to revolutionize urban air mobility by creating aircraft that are not only innovative but also sustainable, enabling the transportation of four passengers with minimal noise pollution.At Archer, we set ambitious goals and tackle complex challenges. We believe in the power of diverse perspectives to foster smarter solutions and drive success. Our commitment to creating an equitable and inclusive workplace ensures that we celebrate and support our team members' unique backgrounds and contributions.About The Role:As we aim to scale production of our groundbreaking eVTOL aircraft, we are looking for an Automation Controls Engineer to join our team. This role is integral to designing and implementing large-scale manufacturing automation systems. You will be involved in creating intelligent manufacturing solutions from the ground up, transforming intricate designs into robust, scalable systems that connect early R&D with operational hardware.Your core responsibilities will include collaborating with multidisciplinary teams to innovate machine and process designs. You will oversee the complete controls system lifecycle, programming PLCs, HMIs, robotics, and servo drives, as well as crafting detailed electrical schematics and managing the procurement and fabrication of electrical control panels.What You’ll Do:Assist in developing high-volume production systems, from initial feasibility studies to full-scale production.

Archer Aviation, located in San Jose, California, is at the forefront of aerospace innovation, developing an all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to revolutionize sustainable air mobility, offering an aircraft designed to carry four passengers while minimizing noise pollution.We are driven by high ambitions and complex challenges, believing that a diverse workforce enhances our intelligence and insights, fostering our collective success. Our commitment to creating an equitable and inclusive workplace ensures that we celebrate and support every member of our team.Join us in San Jose, CA.We are pioneering technologies and aircraft to shape the future of advanced aviation. Our goal is to deliver cutting-edge aircraft and related services in both commercial and defense sectors, domestically and internationally. We introduced our first production aircraft, the Midnight eVTOL air taxi, in November 2022, and in December 2024, we launched Archer Defense to develop next-generation solutions for defense and civilian use. Our primary focus is to commercialize the Midnight air taxi in major urban centers worldwide.Our strategy is to attract top-tier talent across various disciplines to create the best products and services. We have built a world-class team with robust experience across essential fields. Collaboration, creativity, and iterative idea development are at the heart of our culture, which distinguishes us from our competitors and is key to our long-term success. Safety is paramount in everything we do, integrated across design, engineering, manufacturing, flight testing, and aircraft operations.Key Responsibilities:Embedded development and verification of safety-critical software components for the aircraft's Charge Control Unit.Design and implementation of robust software architectures for embedded systems.

We are seeking a talented and innovative Senior Controls & Software Engineer to join our dynamic team at Antora in San Jose, CA. In this role, you will be responsible for developing and optimizing control systems and software solutions that drive our cutting-edge technology. You will collaborate with cross-functional teams to ensure seamless integration and performance of our systems.

Electric Hydrogen is on a mission to produce molecules that will help decarbonize our planet! Our exceptional team is our greatest asset, allowing us to deliver hydrogen through renewable electrolysis for heavy industries, at costs lower than fossil fuels.We are seeking a Senior Control Systems Engineer to become a vital member of our team. In this role, you will be responsible for the development and maintenance of control system documentation, which includes P&IDs, control narratives, I/O lists, loop diagrams, and cause-and-effect matrices for our large-scale electrolyzer systems. This position offers the flexibility of working onsite/hybrid at our San Jose, CA office or remotely from Houston, TX, reporting directly to the Director of Software Engineering.

Archer Aviation is an innovative aerospace company headquartered in San Jose, California, dedicated to revolutionizing air travel through the development of an all-electric vertical takeoff and landing aircraft. Our mission is to promote sustainable air mobility by designing, manufacturing, and operating an aircraft capable of transporting four passengers with minimal noise emissions.We are committed to high aspirations and tackling complex challenges, and we believe that a diverse workplace fosters greater intelligence, better insights, and ultimately leads to our collective success. Archer is devoted to creating an equitable and inclusive environment that values differences and supports the celebration of all team members.The Propulsion Electronics Team at Archer is looking for a talented Staff Electronics Engineer to spearhead the architecture and design of critical controller boards for our electric engines and generators.

Archer Aviation is at the forefront of aerospace innovation, headquartered in San Jose, California. We are dedicated to creating an all-electric vertical takeoff and landing (eVTOL) aircraft, with a vision to revolutionize sustainable air mobility. Our aircraft, designed to carry four passengers, operates with minimal noise, aligning with our commitment to eco-friendly transportation.With ambitious goals and complex challenges, we recognize that a diverse workforce enhances our problem-solving capabilities and leads to greater insights. We are devoted to fostering an equitable and inclusive environment that values the unique backgrounds and contributions of all team members.The OpportunityJoin our Flight Control Actuation Systems team where you will play a pivotal role in defining, designing, validating, and verifying system-level requirements. Collaborate with internal teams and suppliers to ensure compliance with the flight control actuation system of our eVTOL aircraft, demonstrating adherence to both product and regulatory standards.Your Responsibilities:Contribute expert insights to the actuation product strategy, architecture definition, and planning.Plan and coordinate engineering tasks focusing on disciplined and efficient execution.Draft and oversee the flight control and actuation system-level product requirements, ensuring compatibility with all interfacing systems.Guarantee the completeness and accuracy of requirements, aligning them with business, technical, and operational objectives.Collaborate with Systems Engineers to ensure an optimized, fully integrated system.Work closely with the systems and safety engineering team to define functional breakdowns and identify interfaces.Lead multi-disciplinary integration efforts and problem resolution.Assist suppliers and internal teams in developing lower-level requirement sets, collaborating with technical leads and subject matter experts.Review and evaluate designs and documentation from internal teams and suppliers to ensure product quality and compliance.Manage the Validation and Verification processes at the system level, ensuring adherence to established plans.