Senior Propulsion Engineer

Company Description

Specter Aerospace is a venture-backed, dual-use startup focused on advancing hypersonic technologies for both commercial and defense applications. The company is dedicated to designing and building high-performance aerospace systems that push the boundaries of speed, efficiency, and reliability. Team members collaborate across disciplines to address complex engineering challenges with rapid iteration and rigorous testing. Specter Aerospace offers an environment where experienced engineers can directly influence next-generation flight systems and see their work transition from concept to real-world impact.

Role Description

The Senior Propulsion Engineer will lead the design, analysis, and development of propulsion systems for hypersonic vehicles, including concept definition, performance modeling, and hardware integration. Day-to-day responsibilities include conducting detailed fluid, thermal, and performance analyses, generating and reviewing technical documentation, and coordinating with systems, structures, and avionics teams to ensure propulsion system compatibility and mission success. The role involves overseeing test planning and execution for propulsion components and subsystems, analyzing test data, and iterating designs to meet performance, safety, and reliability requirements. This is a full-time, on-site role based in Greater Boston, working closely with cross-functional teams in a fast-paced, hands-on environment.

Qualifications

• Strong background in Propulsion and Propulsion Systems, including design, analysis, and performance optimization.
• Experience with Systems Engineering and Aerospace Engineering, with the ability to integrate propulsion solutions into complex vehicle architectures.
• Demonstrated Analytical Skills, including modeling, simulation, and data interpretation for high-speed or high-temperature flow regimes.
• Advanced degree in Aerospace Engineering, Mechanical Engineering, or related field, or equivalent practical experience.
• Experience with hypersonic or high-speed air-breathing and/or rocket propulsion technologies is highly beneficial.
• Proficiency with relevant CAD, FEA/CFD tools, and propulsion analysis software used in aerospace development.
• Track record of leading projects, mentoring engineers, and collaborating effectively in multidisciplinary teams.
• Ability to work on-site in Greater Boston and support occasional extended hours during critical test or integration campaigns.