Powertrain Responsible Engineer

Los Angeles, CAEngineering – Mechanical /Full-time /On-siteHermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the Department of War to provide the high-speed capabilities our nation and its allies need to maintain a durable, asymmetric advantage.About The Role: As a Powertrain Responsible Engineer you will own the mechanical components and assemblies that generate and transmit power in all forms (fluid, mechanical and electrical) throughout our hypersonic vehicles. This includes gear boxes, generators, motors, and turbomachinery. This highly interdisciplinary role requires strong 1st principles in mechanics, fluid dynamics, thermal analysis, materials science, and manufacturing. You will need to be able to communicate requirements clearly and concisely in a rapidly changing environment while driving the development of cutting-edge hardware that will accelerate the future of hypersonic travel. Responsibilities: Fully own critical flight hardware Work with system owners to architect and place components within systems Component level architecture and sizing Component design, analysis, development testing, qualification, production introduction Scope vehicle level operational methods and limits to ensure reliability and personnel safety through all phases of production and operation Making risk conscious decisions aligned with program posture Prioritize broad work scope to meet top company objectives Design/build cutting edge gearboxes, pumps, motors, and generators for hypersonic aircraft Design/build required testing infrastructure to validate, accept and qualify novel designs Work with manufacturing team to establish necessary production infrastructure to bring your designs to life Requirements: Bachelor’s degree in engineering discipline (mechanical, aerospace, physics, materials, etc.) Experience using CAD to design parts and assemblies 3+ years of Engineering, competition team, applied research experience related to fluid or engine systems Passion for hardware design and developmentWillingness to travel to support of hardware and flight tests Willingness to work extended hours and weekends as needed Preferred Skills and Experience: Master’s degree in engineering discipline (mechanical, aerospace, physics, materials, etc.) 5+ years of experience developing hardware from concept to production Proficiency in Gear Design, Bearing Design, Rotordynamics, thermodynamics, mechanics, and materials Strong knowledge of GD&T and stack-up analysis  Script programming experience (Python, Matlab, Excel, VBA, etc.) Pressurized fluid components experience such as solenoids, regulators, throttle valves, relief valves, linear and rotary actuators. Ability to execute in a scrappy, entrepreneurial manner with tight timelines. Professional experience using Siemens NX/Teamcenter and ANSYS Great attitude in the face of extreme challenges $91,800 - $187,450 a yearEngineer I $91,800 - $112,200Engineer II $114,750 - $140,250Engineer III $138,550 - $187,450The salary range listed for this role is intended as a general guideline. Final compensation will be determined based on a variety of factors, including role scope and responsibilities, relevant experience, education and training, key skills, market data, and business needs.At Hermeus, compensation is only one part of our total rewards package. We offer competitive pay, equity, and a range of benefits designed to support our team.Benefits:Health & Wellness: 100% employer-paid healthcare and pet insuranceFinancial: Competitive pay, stock options, 401(k) retirement plan, and potential year-end bonusesTime Off: Paid parental leave, 12 federal holidays, unlimited PTO for exempt employees, and generous accrued PTO for non-exempt employeesOffice Perks: Weekly paid office lunches and fully stocked breakroomsU.S. EXPORT CONTROL COMPLIANCE STATUS The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. US persons include U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending. EQUAL OPPORTUNITYHermeus is an Equal Opportunity Employer. Employment decisions at Hermeus are based solely on merit, competence, and qualifications, without regard to race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability, or any other legally protected status.We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.