Principal Fluids Engineer

Hermeus is an aerospace and defense technology company founded to radically accelerate air travel by delivering hypersonic aircraft. The company aims to develop hypersonic aircraft quickly and cost-effectively by integrating hardware-rich, iterative development with modern computing and autonomy. This approach has been validated through design, build, and test of the company’s first combined turbojet-ramjet engine and is now being scaled through its first flight vehicle program, Quarterhorse. Hermeus is also developing Darkhorse — an uncrewed hypersonic aircraft designed to deliver unique asymmetric capabilities to the warfighter.

We are seeking a highly skilled and experienced Principal Fluids Engineer to join our dynamic team and contribute to the development of the next generation of hypersonic vehicle. As a Principal Fluids Engineer at Hermeus, you will play a pivotal role in designing, analyzing, and testing fluid systems for our hypersonic vehicles. You will collaborate closely with a multidisciplinary team of engineers to ensure the safe and efficient operation of our cutting-edge propulsion and thermal management systems. This position offers a unique opportunity to work on groundbreaking technology in a fast-paced and collaborative environment.

Responsibilities:

• Lead the design and analysis of fluid systems, including propulsion, thermal management, and fluid components for hypersonic vehicles.
• Perform fluids system sizing analysis to determine basic system requirements
• Transform system requirements into hardware concepts and trade implementation and architecture options
• Conduct performance analyses, and optimization studies to ensure the efficiency and reliability of fluid systems.
• Perform experimental testing and validation of fluid system components and configurations.
• Coordinate and execute development, qualification, and acceptance testing of flight hardware.
• Provide technical guidance and mentorship to junior engineers in the fluid systems team.
• Participate in design reviews, risk assessments, and problem-solving sessions to ensure project success.

Minimum Requirements:

• Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or a related field.
• 10+ years of experience in fluid systems engineering, hypersonic or supersonic systems or rocketry preferred.

Preferred Skills and Experience:

• Strong knowledge of fluid dynamics, heat transfer, and mechanical design.
• Experience with fluid systems and fluid component design, analysis, and testing.
• Excellent problem-solving skills and the ability to work in a fast-paced, collaborative environment.
• Strong communication and leadership skills.

Additional Requirements:

• Ability to travel on short notice to support test campaigns 

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.