Senior Battery Test Engineer - Abuse

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 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.

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, 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 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

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 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.

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:...

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.

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.

Join our innovative team at antora as a Senior R&D Test Engineer. In this role, you will be at the forefront of developing cutting-edge technologies and solutions. You will collaborate with cross-functional teams to design, execute, and analyze tests for new products, ensuring they meet the highest standards of quality and performance. This position offers an exciting opportunity for growth and the chance to make a significant impact in the tech industry.

Archer Aviation, based 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 propel sustainable air mobility forward, creating a quieter, greener future for urban transportation. Our aircraft is designed to accommodate four passengers while minimizing noise pollution.We set ambitious goals and tackle complex challenges, believing that a diverse workplace enhances our creativity and insights, ultimately leading to greater success. We are committed to fostering an equitable and inclusive environment that embraces our differences and celebrates every team member.Key Responsibilities:Develop and assess engineering drawings, establish project plans, and source necessary components, materials, and equipment.Oversee suppliers in the design of test fixtures and the execution of testing protocols.Define instrumentation requirements, carry out calibration, and facilitate installation of instrumentation.Lead small test teams to ensure project milestones are achieved.Work collaboratively with cross-functional teams, including design, loads, materials & processes, and analysis, to define tests that confirm design specifications.Create and review company and FAA test plans and reports for static and fatigue testing.Gather and analyze data obtained from testing.Design test stands, fixtures, and data acquisition systems.Establish testing procedures, standard operating procedures, and best practices.Promote safety and adherence to testing protocols in the structural test lab.

About Archer Archer, based in San Jose, California, designs and builds all-electric vertical takeoff and landing aircraft. The company focuses on sustainable air mobility and aims to transport four passengers while reducing noise pollution. Archer values diversity and strives to create an inclusive workplace where every team member’s perspective contributes to smarter solutions. Role Overview The Thermal Analysis Engineer for Battery Systems will support the design and performance of battery packs and modules for Archer’s aircraft. This position involves simulation, testing, and collaboration across multiple engineering teams to ensure reliable and safe thermal management. Main Responsibilities Run thermal analysis and simulations on battery packs and modules using advanced CAE tools. Develop simulation methods and workflows to improve team productivity. Design and optimize battery thermal management systems, including cold plates and phase change materials, to achieve high performance and safety. Plan and conduct thermal testing to validate and refine analytical models. Work closely with mechanical, electrical, control, and systems engineering teams to integrate thermal solutions and models. Prepare detailed reports and presentations documenting findings, design recommendations, and test results.

Archer Aviation is a pioneering aerospace company located in San Jose, California. We are on a mission to revolutionize sustainable air mobility by developing an all-electric vertical takeoff and landing (eVTOL) aircraft. Our innovative design prioritizes not only efficiency but also minimal noise pollution, enabling eco-friendly transportation solutions.At Archer, we value diversity and believe that a varied workforce fosters creativity and enhances problem-solving. We are committed to creating an inclusive environment that celebrates our differences and empowers every team member to contribute to our shared success.We are seeking a skilled Senior Test Engineer to join our Propulsion Team. This pivotal role focuses on the verification and testing of Archer's proprietary Propulsion Tilt-rotor system, which integrates with electric engines and various electric actuation subsystems, including both low and high-voltage power distribution systems. The ideal candidate will have substantial experience in executing complex test campaigns at both the component and integrated system levels.

Archer Aviation is a pioneering aerospace company located in San Jose, California, dedicated to developing an innovative all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to enhance sustainable air mobility, and our cutting-edge aircraft is designed to transport four passengers with minimal noise pollution.We set ambitious goals and tackle complex challenges, believing that a diverse workforce drives smarter solutions and deeper insights. We are committed to fostering an equitable and inclusive environment that values our differences and supports the success of all team members.Who We Are Seeking:We are in search of a skilled Senior Test Engineer to join our Flight Control Systems Team. This position emphasizes the verification and testing of Archer's advanced fly-by-wire flight control system, including its subsystems and integration with various aircraft systems such as avionics, power distribution, and engines. Candidates should possess robust testing experience and the capability to execute complex test campaigns effectively.Your Responsibilities:Develop a thorough understanding of the flight control system, its architecture, and the detailed design of all subsystems and components.Create and implement requirements-based tests for the eVTOL Flight Control System.Collaborate with team members to correlate test results with analytical predictions.Analyze test data to validate the performance of tested components.Ensure testing adheres to FAA, DoD, and other aviation standards.Confirm that the scope of tests aligns with aircraft certification requirements.Compile technical reports that detail test outcomes.

Antora is on a mission to revolutionize industrial energy solutions by designing and implementing cutting-edge thermal batteries that provide reliable, low-cost energy for industrial operations. We are looking for a dynamic and driven Senior Mechanical/Process Engineer to join our San Jose, California team. In this pivotal role, you will be instrumental in optimizing our balance of plant (BOP) systems, focusing on cost efficiency and performance enhancements. Your expertise will be integral in developing and refining cost models based on comprehensive technical and commercial data, guiding the design and evolution of high-performance plant processes and systems. You will also take charge of scoping, defining, and designing BOP systems for our commercial thermal energy storage projects. As a key player in our rapidly growing cross-functional organization, your contributions will directly support the deployment and scaling of innovative long-duration energy storage technologies.

Join Lumilens as the Director of Silicon Test Engineering, where you'll lead a talented team in the development of cutting-edge silicon testing strategies. In this pivotal role, you will oversee the design, implementation, and optimization of test processes to ensure the highest quality standards are met. Your leadership will directly contribute to the advancement of our innovative technologies.

Join Lumilens as an Optical Test Engineer, where you will play a pivotal role in the development and testing of innovative optical technologies. You will be responsible for designing and conducting tests to ensure product performance meets industry standards. Your expertise in optical engineering will be essential in analyzing data and providing actionable insights to improve product quality.

About LumilensAt Lumilens, we are pioneering the vital photonics infrastructure that powers the future of AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, we are ushering in a new era of computing that is faster, cooler, and significantly more efficient.As a well-funded startup supported by Mayfield, we are led by industry veterans who have successfully built and scaled transformative technologies. At Lumilens, we are focused on developing high-speed photonics products specifically designed to enhance the future of AI infrastructure and high-performance computing.This is not just incremental innovation; it represents a ground-floor opportunity to fundamentally rethink the optical layer from the silicon level. You will collaborate with a team of world-class engineers tackling some of the most challenging problems in scaling optical systems. Every line of code, every design decision, and every breakthrough you contribute will help shape the infrastructure of tomorrow.If you are seeking a mission-driven environment, rapid momentum, and the opportunity to make a significant impact, join us on this exciting journey. We’re just getting started.About the Role – Optical Product Test EngineerIn your role as an Optical Product Test Engineer, you will be essential in validating and ensuring the quality of Lumilens’ photonic components, modules, and systems. This position merges hands-on production testing with the development of testing protocols and reporting, supporting both new product introductions (NPI) and volume manufacturing.You will closely collaborate with optical design, hardware, and manufacturing teams to perform calibration, characterization, and troubleshooting of next-generation photonics technologies that are set to drive the future of AI and high-performance computing infrastructure.Primary Duties & ResponsibilitiesCharacterize and test fiber optic components and modulesAnalyze test results to ensure adherence to performance specifications and quality standardsMaintain precise and detailed records of testing procedures and outcomesGenerate detailed test reports for both internal and external stakeholdersAssist in troubleshooting and root cause analysis to resolve product issuesDesign, plan, and conduct optical and fiber testing on components, devices, and systemsCollaborate with cross-functional engineering teams to support NPI and the ramp-up of manufacturing

Join our innovative team at Collabera as a Software Test Engineer. In this pivotal role, you will be essential in ensuring the quality and performance of our software products. You will collaborate with developers and product managers to identify bugs, suggest improvements, and contribute to the overall user experience.