Lead Solid Rocket Propulsion Engineer – Hypersonics R&D

Hernshead Group; Maine; On-site; USD 140,000 - 210,000; Full time

Job summary

Hernshead Group in the United States is seeking a Senior Rocket Propulsion Engineer to lead the design and development of advanced solid rocket motors for hypersonic R&D and commercial customers.

You will guide propulsion architecture, propellant formulation, grain geometry and motor integration from concept through qualification and flight readiness, mentoring other engineers along the way.

Qualifications

• Bachelor’s degree in Aerospace, Mechanical, Chemical or Materials Engineering (Master’s or Ph.D. preferred).
• 5+ years of solid rocket propulsion experience, including a lead or key technical role on major solid rocket motor development programs (10+ years preferred).
• Strong expertise in propellant formulation, grain geometry, motor architecture, internal ballistics and combustion performance.
• Experience across full motor lifecycle: concept through testing in iterative R&D environments.
• Experience designing and integrating solid rocket motor components and subsystems.

Responsibilities

• Lead design, development, analysis and optimization of advanced solid rocket motors and propulsion systems from concept through qualification.
• Develop propellant formulations, grain geometries and motor architectures to meet performance and reliability requirements.
• Design and integrate motor components such as casings, nozzles, ignition systems and interfaces.
• Perform internal ballistics, combustion and thermal/structural analyses; drive design improvements.
• Build analytical models and interpret test data to validate designs.
• Lead investigations and root-cause analyses on propulsion performance and tests.
• Lead design reviews and trade studies; make critical propulsion decisions.
• Prepare analyses, specifications, drawings and test plans.
• Collaborate with engineering, manufacturing, test and operations; mentor junior engineers.

Skills

Solid rocket propulsion

Lead responsibility

Propellant formulation

Grain geometry

Internal ballistics

Combustion performance

Modeling and simulation

Mentoring

Cross-functional collaboration

Problem solving

Education

Bachelor's in Aerospace/Mechanical/Chemical/Materials Engineering

Master's or Ph.D. preferred

Tools

MATLAB/Simulink

CFD/FEA software

Job description

Hernshead Group in the United States is seeking a Senior Rocket Propulsion Engineer to lead the design and development of advanced solid rocket motors for hypersonic R&D and commercial customers.

You will guide propulsion architecture, propellant formulation, grain geometry and motor integration from concept through qualification and flight readiness, mentoring other engineers along the way.