Battery Cell Stack Engineer

Archer is an aerospace and defense company headquartered in San Jose, California, building the aircraft and technology that will define the next era of flight. The company works across air taxis, UAS, AI and powertrain development — building real-world systems that combine software intelligence with physical hardware. That includes Midnight, Archer's all-electric air taxi; Halo, an autonomous vertical takeoff and landing aircraft built for both commercial and defense use; and ZEE, Archer's AI foundation model built specifically for aviation. We’re seeking exceptional engineers, operators and builders to join us on our mission to build the future of aerospace and defense.Our sights are set high and our problems are hard, and we believe that diversity in the workplace is what makes us smarter, drives better insights, and will ultimately lift us all to success. We are dedicated to cultivating an equitable and inclusive environment that embraces our differences, and supports and celebrates all of our team members.What you'll do:Support the design of high voltage battery pack components across commercial and defense aircraft programs, under the guidance of senior engineers.Collaborate with cross-functional stakeholders including CAE engineers, quality, testing, supply chain, and manufacturing.Assist with hands-on prototyping, building, and testing throughout the design cycle.Support integration and certification teams in ensuring designs meet FAA certification requirements.Contribute fresh ideas to help push battery design boundaries for aerospace applications.Learn and apply Archer's design standards and best practices for battery design.Assist with root cause analysis and troubleshooting under senior engineer supervision.Help maintain documentation to support the battery hardware technology roadmap.What you need:Bachelor's degree in Mechanical, Aerospace Engineering, or a related field.0–2 years of mechanical design experience; internships or co-ops in battery design, automotive, or aerospace are a plus.Foundational understanding of engineering fundamentals (structural design, materials, heat transfer, fluids, etc.).Familiarity with CAD (NX preferred), tolerance stack analysis, and 2D drafting with GD&T.Exposure to manufacturing processes in prototype and/or mass production settings.Willingness to learn simplified tools, calculations, and CAE methods to support development.Eagerness for hands-on prototype and build experience.Strong communication skills and a collaborative mindset.At Archer, we aim to attract, retain, and motivate talent with the skills and leadership needed to grow our business. We drive a pay-for-performance culture and reward performance that supports the Company’s strategy. For this position, we are targeting a base pay range of $120,000 - $140,000. Actual compensation offered will be determined by job-related knowledge, skills, and experience. Archer is committed to working with and providing reasonable accommodations to job applicants with physical or mental disabilities, and those with sincerely held religious beliefs. Applicants who may require reasonable accommodation for any part of the application or hiring process should provide their name and contact information to Archer’s People Team at View email address on us.fitly.work. Reasonable accommodations will be determined on a case-by-case basis.Information collected and processed as part of any job applications you choose to submit is subject to Archer's Candidate Privacy Policy.Certain positions may be eligible for visa sponsorship.Archer is proud to be an Equal Opportunity employer committed to diversity and inclusivity in the workplace. All aspects of employment are decided on the basis of merit, qualifications, and business needs. We do not discriminate based upon race, color, religion, sex, sexual orientation, age, national origin, disability status, protected veteran status, gender identity or any other characteristic protected by federal, state or local laws.Archer Aviation does not engage with external recruiting agencies/individual recruiters with whom it does not have a prior written agreement. Archer reserves the right to make use of any unsolicited resumes that it receives and bears no responsibility for payment of any fees asserted from the use of unsolicited resumes. If you are a recruiting agency or individual recruiter wishing to do business with Archer, please reach out to View email address on us.fitly.work. All employment processes are managed by the Archer People Team.