Mass Properties Engineer

Headquartered in Silicon Valley, California, Archer is a leader in the next-gen aerospace sector building an end-to-end advanced air mobility platform that delivers air taxis, unmanned aircraft systems (“UAS”), aviation-related physical artificial intelligence (“AI”) solutions, and other technologies to customers worldwide across the commercial aerospace and defense sectors. 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. Join Archer Aviation's Mass Properties team and play a critical role in bringing electric vertical takeoff and landing (eVTOL) aircraft from concept to certified reality. As a Mass Properties Engineer, you'll be the backbone of our weight and balance programs—ensuring every gram counts as we push the boundaries of sustainable urban air mobility. This isn't a desk job. You'll get hands-on with actual aircraft, manage data that directly influences flight performance, and see your work take to the skies. What You'll Do Own Critical Data Programs Lead day-to-day execution of mass properties programs across multiple aircraft platforms Build and maintain the master database tracking weight, CG, and inertia for all aircraft variants—the single source of truth for the entire engineering organization Bridge Design and Reality Partner with design, structures, and systems teams to validate mass assumptions and drive weight optimization decisions Manage the evolution of mass data from early estimates through measured flight hardware—you'll track every component's journey Get Hands-On with Aircraft Conduct aircraft inspections and lead weighing operations—this role gets you on the factory floor and around actual aircraft Execute weight and balance audits that ensure flight safety and performance targets Support Certification & Compliance Prepare documentation and analysis supporting FAA certification activities Ensure all mass properties data meets regulatory requirements for weight and balance compliance Drive Process Innovation Implement tools and workflows that make data collection faster, more accurate, and more useful to the team Identify opportunities to improve how we track and communicate mass properties across the program What You'll Bring Required: Bachelor's degree in Aerospace, Mechanical Engineering, or related STEM field (or equivalent practical experience) 5-10 years of experience in mass properties, weight engineering, or related disciplines on aircraft or aerospace vehicle programs Strong understanding of weight and balance principles for dynamic systems Exceptional organizational skills with meticulous attention to detail—you naturally catch discrepancies others miss Comfortable moving between analytical work and hands-on data collection Effective communicator who can translate technical data for cross-functional audiences Preferred: Proficiency with CAD tools (NX, SolidWorks, CATIA) for extracting mass properties from 3D models Experience with ARP4754A certification processes Direct experience conducting aircraft weighing operations or physical inspections Background with eVTOL, rotorcraft, or novel aircraft configurations Familiarity with database management or mass properties-specific software At Archer we aim to attract, retain, and motivate talent that possess the skills and leadership necessary to grow our business. We drive a pay-for-performance culture and reward performance that supports the Company’s business strategy. For this position we are targeting a base pay between $170,000.00 - $215,000.00. Actual compensation offered will be determined by factors such as 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 recruiter contact. 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 recruiter contact. All employment processes are managed by the Archer People Team.