Powertrain Responsible Engineer

Hermeus; Los Angeles (CA); Hybrid; USD 92,000 - 187,000; Full time

Benefits offered by this job

Health insurance

Stock options

401(k) retirement plan

Year-end bonuses

Paid parental leave

Job summary

Hermeus is seeking a Powertrain Responsible Engineer to own and develop the mechanical powertrain for hypersonic aircraft. You will drive design, analysis, testing, and qualification of gearboxes, pumps, motors, and generators across programs, coordinating with system owners and manufacturing.

The role demands strong first-principles knowledge in mechanics, thermodynamics, and materials, plus experience with CAD, NX, and ANSYS.

Qualifications

• Bachelor’s degree in mechanical, aerospace, physics or related field.
• Experience using CAD to design parts and assemblies.
• 3+ years of engineering/competition or applied research in fluids or engines.

Responsibilities

• Fully own critical flight hardware.
• Architect and place components within systems.
• Design, analyze, test, and qualify gearboxes, motors and pumps.
• Collaborate with manufacturing to enable production.

Skills

Hardware design passion

Travel willingness

Extended hours readiness

Mechanical systems knowledge

Education

Bachelor’s degree in engineering

Master’s degree in engineering (preferred)

Tools

CAD

Siemens NX/Teamcenter

ANSYS

Thermal/fluid analysis tools

Job description

Hermeus 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 development
• Willingness 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 year

Engineer I $91,800 - $112,200

Engineer II $114,750 - $140,250

Engineer III $138,550 - $187,450

The 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 insurance
• Financial: Competitive pay, stock options, 401(k) retirement plan, and potential year-end bonuses
• Time Off: Paid parental leave, 12 federal holidays, unlimited PTO for exempt employees, and generous accrued PTO for non-exempt employees
• Office Perks: Weekly paid office lunches and fully stocked breakrooms

U.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 OPPORTUNITY

Hermeus 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.